---

EWDB_ArrivalStruct

Type:	struct _EWDB_ArrivalStruct
Description:	Arrival structure describing information about a phase, possibly with information relating the phase to an Origin.
Note:	The fields szCalcPhase - tResPick are only legitimate if a phase is associated with an Origin. If idOrigin is not set then these feels should be ignored.
Field Type Description idPick EWDBid Database ID of the Pick. idOriginPick EWDBid Database ID of the OriginPick, the record relating the Pick(phase) to an Origin. idOrigin EWDBid Database ID of the Origin with which this phase is associated. idChan EWDBid Database ID of the channel that this pick came from. pStation EWDB_StationStruct Station/Component information for the channel associated with this phase. szCalcPhase char[6] The calculated type of the Phase: P, S, PKP(sp?), and others up to 5 chars. This values is assigned by the phase associator or locator that created the Origin that this phase is associated with. This is not the phase type given by the picker. tCalcPhase double The onset time of the phase, according to the associator/locator. dWeight float The weight of the phase pick in calculating the Origin. dWeight float The weight of the phase pick in calculating the Origin. dDist float The epicentral distance to the station where the phase was observed. dAzm float Azimuthal direction from the station where the phase was observed to the epicenter. Expressed as degrees east of North. dTakeoff float Takeoff angle of the Phase from the hypocenter. tResPick float Pick residual in seconds. szExtSource char[16] Reserved szExternalPickID char[16] Reserved szExtPickTabName char[16] Reserved szObsPhase char[6] The type of the Phase: P, S, PKP(sp?), and others up to 5 chars. This values is assigned by the picker(the entity that observed the phase arrival). tObsPhase double The onset time of the phase, according to the picker. cMotion char The initial motion of the phase: U (up), D (down). cOnset char The onset type of the phase: CLEANUP??? what are the possible onset values? Berkeley has several in their documentation. dSigma double Potential Phase error. Expressed in seconds. CLEANUP detailed meaning?
Group:	EWDB_API_LIB
Sub Group:	PARAMETRIC_API
Language:	C
Location:	./src/oracle/schema-working/src/include/ewdb_ora_api.h

---

EWDB_CodaAmplitudeStruct

Type:	struct _EWDB_CodaAmplitudeStruct
Description:	Information for average amplitude measurments of a coda in support of a coda termination measurement/calculation.
Note:
Field Type Description tOn double[EWDB_MAXIMUM_AMPS_PER_CODA] Array of window starting times for coda average amplitude measurements. Expressed as seconds since 1970. tOff double[EWDB_MAXIMUM_AMPS_PER_CODA] Array of window ending times for coda average amplitude measurements. Expressed as seconds since 1970. iAvgAmp int[EWDB_MAXIMUM_AMPS_PER_CODA] Array of average amplitude values for coda average amplitude measurements. Expressed as digital counts. tOn[x] and tOff[x] describe a time window during a coda at a component. AvgAmp[x] is the average wave amplitude during that window. A series of timed average amplitude measurements can be combined with a decay algorithm to estimate the coda termination time.
Group:	EWDB_API_LIB
Sub Group:	PARAMETRIC_API
Language:	C
Location:	./src/oracle/schema-working/src/include/ewdb_ora_api.h

---

EWDB_CodaDurationStruct

Type:	struct _EWDB_CodaDurationStruct
Description:	Information for the Coda Duration measurement associated with a station magnitude calculation.
Note:
Field Type Description idChan EWDBid Database ID of the channel that this pick came from. idTCoda EWDBid DB ID of the coda termination record. tCodaTermObs double Time when the coda associated with this station duration magnitude, was observed to have ended. Time is expressed as seconds since 1970. *NOTE*: In general, this value should not be used. It is provided as a reference in case tCodaTermXtp contains an extrapolated value. The value of tCodaTermXtp should always be a better value. When recalculating a coda termination time, the results should be written to tCodaTermXtp.) tCodaTermXtp double Time when the coda associated with this station duration magnitude ended. This will be the better of either an observed coda termination, or one calculated based on average amplitude values and a decay rate. Time is expressed as seconds since 1970. tCodaDurObs double Length of the coda (in seconds) from the time of the P-pick to the time of the OBSERVED coda termination. This value should not be used for the coda estimate, use tCodaDurXtp instead. See the tCodaTermObs comment. tCodaDurXtp double Length of the coda (in seconds) from the time of the P-pick to the time of the coda termination. This value is based upon tCodaTermXtp and P-pick times. idCodaDur EWDBid DB ID of the coda duration record calculated by associated a Phase pick with a coda termination. idPick EWDBid DB ID of the Phase arrival(pick) that is associated with a Coda termination from the same channel, to produce the coda duration(s) that this station magniutde is calculated from. pCodaAmp EWDB_CodaAmplitudeStruct * Pointer to a structure of Coda Average Amplitude Values, used to calculate the coda termination time.
Group:	EWDB_API_LIB
Sub Group:	PARAMETRIC_API
Language:	C
Location:	./src/oracle/schema-working/src/include/ewdb_ora_api.h

---

EWDB_CoincEventStruct

Type:	struct _EWDB_CoincEventStruct
Description:	Coincidence Trigger event structure.
Note:
Field Type Description idCoincidence EWDBid Database ID for the Coincidence. tCoincTrigger double Time of the event trigger idEvent EWDBid Database identifier of the Event with which this Coincidence is associated. bBindToEvent int Boolean flag indicating whether or not this Magnitude should be bound to an Event when it is inserted into the DB. If yes, it is associated with the Event identified by idEvent upon insertion into the DB. szSource char[256] Identifier of the source/author that declared the Coincidence. This could be the Logo of the Earthworm module that generated the Coincidence, or the login name of an analyst that reviewed it. szComment char * Optional comment associated with the magnitude.
Group:	EWDB_API_LIB
Sub Group:	PARAMETRIC_API
Language:	C
Location:	./src/oracle/schema-working/src/include/ewdb_ora_api.h

---

EWDB_EventListStruct

Type:	struct _EWDB_EventListStruct DESCRIPTION Structure to
Description:
Note:	There was overlap between EWDB_EventListStruct and EWDB_EventStruct, so the overlapping fields from EWDB_EventListStruct were removed and EWDB_EventStruct was incorporated.
Field Type Description Event EWDB_EventStruct Event summary information for the current event. dOT double Time of the Event's preferred origin of in seconds since 1970. dLat float Latitude of the preferred Origin of the Event. Expressed in degrees. (North=positive) dLon float Longitude of the preferred Origin of the Event. Expressed in degrees. (East=positive) dDepth float Depth of the preferred Origin of the Event. Expressed in kilometers below surface. dPrefMag float preferred Magnitude of the Event.
Group:	EWDB_API_LIB
Sub Group:	PARAMETRIC_API
Language:	C
Location:	./src/oracle/schema-working/src/include/ewdb_ora_api.h

---

EWDB_EventStruct

Type:	struct _EWDB_EventStruct
Description:	Structure containing information about a Database Event.
Note:
Field Type Description idEvent EWDBid Database ID for the event iEventType int Human assigned event-type (quake, avalanche, volcano, nuclear detination). Currently the only types supported are Quake and Unknonwn. See EWDB_EVENT_TYPE_QUAKE for more information. iDubiocity int Describes the perceived validity of the Event. The Dubiocity range is currently defined as TRUE/FALSE with TRUE indicating a dubious event. bArchived int Indicates whether or not the Event has already been archived from the database to disk. szComment char[512] Description of and comments about the Event. szSource char[256] Identifier of the source/author that declared the Event. Only one Source is listed here. If more than one Source contributed to the declaration of the Event, then the manner by which this Source is chosen as THE Source is undefined. This could be the Logo of the Earthworm module that generated the Event, or the or the login name of an analyst that reviewed it. szSourceName char[256] Name of the source/author that declared the Event. The SourceName is a human readable version of the Source. The SourceName could be the name of the network that generated the event, or the name of an Analyst that reviewed it. szSourceEventID char[256] Event identifer assigned to this event by the Source. This would be the EventID given by and Earthworm Binder Module to an automatic event that was generated by an Earthworm.
Group:	EWDB_API_LIB
Sub Group:	PARAMETRIC_API
Language:	C
Location:	./src/oracle/schema-working/src/include/ewdb_ora_api.h

---

EWDB_MagStruct

Type:	struct _EWDB_MagStruct
Description:	Summary magnitude struct.
Note:
Field Type Description idMag EWDBid Database ID for the Magnitude. iMagType int Magnitude type: Duration, Local, BodyAmp, Surface, etc. This is an enumerated value that identifies a magnitude type. The possible enumerated values are defined in rw_mag.h. dMagAvg float The summary magnitude. For most magnitude types, this is computed as a weighted average of a bunch of station magnitudes. iNumMags int Number of station magnitudes used to compute the dMagAvg. For a Moment magnitude, this maybe the number of reporting stations that were used in calculating the moment. dMagErr float The potential error of the summary magnitude. CLEANUP! Detailed units, meaning? I believe this is the Median Absolute Deviation of the station mags. idEvent EWDBid Database identifier of the Event with which this Magnitude is associated. bBindToEvent int Boolean flag indicating whether or not this Magnitude should be bound to an Event when it is inserted into the DB. If yes, it is associated with the Event identified by idEvent upon insertion into the DB. bSetPreferred int Boolean flag indicating whether or not this Magnitude should be set as the Preferred Magnitude for the Event identified by idEvent. This flag is ignored if bBindToEvent is FALSE. idOrigin EWDBid Optional Database identifier of the Origin that this Magnitude was calculated from. szSource char[256] Identifier of the source/author that declared the Origin. This could be the Logo of the Earthworm module that generated the Origin, or the login name of an analyst that reviewed it. CLEANUP Should this be the human readable version of the source name?? It should be consistent with Origin and Mechanism. szComment char * Optional comment associated with the magnitude. This is provided primarily as an option for later development. Most functions that handle the EWDB_MagStruct, do not know/care about comments.
Group:	EWDB_API_LIB
Sub Group:	PARAMETRIC_API
Language:	C
Location:	./src/oracle/schema-working/src/include/ewdb_ora_api.h

---

EWDB_MergeStruct

Type:	struct _EWDB_MergeStruct
Description:	Event Merge info structure.
Note:
Field Type Description idMerge EWDBid Database ID for the Merge. idEvent EWDBid Database identifier of the Event which is to be merged. idPh EWDBid Database identifier of the Phenomenon which is to be merged with the event. szSource char[256] Identifier of the source/author that declared the Merge. This could be the Logo of the Earthworm module that generated the Merge, or the login name of an analyst that reviewed it. szHumanReadable char[256] Huamn readable string identifying the person or program that declared the Merge. szComment char * Optional comment associated with the magnitude.
Group:	EWDB_API_LIB
Sub Group:	PARAMETRIC_API
Language:	C
Location:	./src/oracle/schema-working/src/include/ewdb_ora_api.h

---

EWDB_OriginStruct

Type:	struct _EWDB_OriginStruct
Description:	Structure containing information about an Event Origin. Includes error information.
Note:
Field Type Description idOrigin EWDBid Database identifier of the Origin. idEvent EWDBid Database identifier of the Event with which this origin is associated. BindToEvent int Boolean flag indicating whether or not this Origin should be bound to an Event when it is inserted into the DB. If yes, it is associated with the Event identified by idEvent upon insertion into the DB. SetPreferred int Boolean flag indicating whether or not this Origin should be set as the Preferred Origin for the Event identified by idEvent. This flag is ignored if BindToEvent is FALSE. tOrigin double Origin time in seconds since 1970. dLat float Lattitude of the Origin. Expressed in degrees. (North=positive) dLon float Longitude of the Origin. Expressed in degrees. (East=positive) dDepth float Depth of the Origin. Expressed in kilometers below surface. dLatStart float Lattitude of the starting location. dLonStart float Longitude of the starting location. dDepthStart float Depth of the starting location . dErrLat float Potential lattitude error of the Origin. Expressed in degrees. dErrLon float Potential longitude error of the Origin. Expressed in degrees. dErZ float Potential vertical(depth) error of the Origin. Expressed in km. ExternalTableName char[256] Reserved xidExternal char[256] Reserved sRealSource char[51] Identifier of the source/author that declared the Origin. This could be the Logo of the Earthworm module that generated the Origin, or the login name of an analyst that reviewed it. sSource char[101] Human readable name of the source/author of the origin. Comment char[4000] Comment about the Origin. Currently unused. iGap int Largest gap between stations used to compute the origin. The gap is the largest arc between stations, based on a epicentral circle. Expressed in degrees. dMin float Epicentral distance to nearest station used in origin computation. dRms float RMS misfit for the origin. What does RMS mean? CLEANUP dk 05/01/00. iAssocRD int Number of readings associated with the Origin. iAssocPh int Number of phases associated with the Origin. iUsedRd int Number of readings used to calculate the Origin. iUsedPh int Number of phases used to calculate the Origin. iE0Azm int Azimuth of the smallest principal error of the error elipse. Expressed as Degrees east of North. iE1Azm int Azimuth of the intermediate principal error of the error elipse. Expressed as Degrees east of North. iE2Azm int Azimuth of the largest principal error of the error elipse. Expressed as Degrees east of North. iE0Dip int Dip of the smallest principal error of the error elipse. Expressed as Degrees below horizontal. iE1Dip int Dip of the intermediate principal error of the error elipse. Expressed as Degrees below horizontal. iE2Dip int Dip of the largest principal error of the error elipse. Expressed as Degrees below horizontal. dE0 float Magnitude of smallest principle error of the error elipse. dE1 float Magnitude of intermediate principle error of the error elipse. dE2 float Magnitude of largest principle error of the error elipse. dMCI double Confidence interval. CLEANUP??? Help? Units, detailed meaning? iFixedDepth int Flag indicating whether a fixed depth model was used to calculate the Origin. iVersionNum int Integer > 0 indicating the version number of the current origin. The idea, is that external system will produce multiple revisions of event solutions as time goes on. Each new origin will have an increasing version number assigned to it. That way when you process origin data to produce other summary data (such as magnitudes) you can associate it with the correct origin version. szSourceEventID char[256] Event identifer assigned to this origin's event by the Source. This would be the EventID given by and Earthworm Binder Module to an automatic event that was generated by an Earthworm.
Group:	EWDB_API_LIB
Sub Group:	PARAMETRIC_API
Language:	C
Location:	./src/oracle/schema-working/src/include/ewdb_ora_api.h

---

EWDB_PeakAmpStruct

Type:	struct _EWDB_PeakAmpStruct
Description:	Information for the Peak Amplitude measurement associated with a station magnitude calculation.
Note:
Field Type Description idPeakAmp EWDBid DB ID of the Peak Amplitude record for this amplitude structure. idChan EWDBid Database ID of the channel that this pick came from. szExtSource char[16] Source where this amplitude was produced szExternalAmpID char[16] ID of the amplitude at the source dAmp1 float 1st Amplitude measurement(millimeters). dAmpPeriod1 float Time period of the first measurement. tAmp1 double Starting time of the first amplitude measurement. Expressed as seconds since 1970. dAmp2 float 2nd Amplitude measurement(millimeters). dAmpPeriod2 float Time period of the second measurement. tAmp2 double Starting time of the second amplitude measurement. Expressed as seconds since 1970. iAmpType int Type of amplitude.
Group:	EWDB_API_LIB
Sub Group:	PARAMETRIC_API
Language:	C
Location:	./src/oracle/schema-working/src/include/ewdb_ora_api.h

---

EWDB_PhenomenonStruct

Type:	struct _EWDB_PhenomenonStruct
Description:	Phenomenon structure
Note:
Field Type Description idPh EWDBid Database ID for the phenomenon. idEvent EWDBid Database identifier of the Event which first gave rise to this phenomenon. szSource char[256] Identifier of the source/author that declared the Merge. This could be the Logo of the Earthworm module that generated the Merge, or the login name of an analyst that reviewed it. szHumanReadable char[256] Huamn readable string identifying the person or program that declared the Merge. szComment char * Optional comment associated with the merge.
Group:	EWDB_API_LIB
Sub Group:	PARAMETRIC_API
Language:	C
Location:	./src/oracle/schema-working/src/include/ewdb_ora_api.h

---

EWDB_PlaceStruct

Type:	struct _EWDB_PlaceStruct
Description:	Towns and Places structure
Note:
Field Type Description idPlace EWDBid Database ID for the place. szState char[3] two-letter State code szPlaceName char[70] Name of the place szPlaceType char[20] Type of the place szCountry char[30] Country of the place szCounty char[30] County of the place dLat double Latitude dLon double Longitude dElev double Elevation iPopulation int Population iPlaceMajorType int Major Type (City, Dam, etc...) iPlaceMinorType int Minor Type (large city, small city...)
Group:	EWDB_API_LIB
Sub Group:	PARAMETRIC_API
Language:	C
Location:	./src/oracle/schema-working/src/include/ewdb_ora_api.h

---

EWDB_StationMagStruct

Type:	struct _EWDB_StationMagStruct
Description:	Structure of Station Magnitude information.
Note:
Field Type Description pStationInfo EWDB_StationStruct * Station information for the station for which the magnitude was calculated. idChan EWDBid Database ID of the channel that this pick came from. pStationInfo EWDB_StationStruct Station/Component information for the channel associated with this phase. idMagLink EWDBid DB ID of the station magnitude. idMagnitude EWDBid DB ID of the summary magnitude. iMagType int Type of magnitude. See rw_mag.h for a list of Magnitude types. dMag float Station magnitude. dWeight float Weight of the Station Magnitude in calculating the summary magnitude this Station Magnitude is associated with. idDatum EWDBid DB ID of the measurement that the station magnitude is calculated from. The measurement could be a Peak Amplitude or Coda Duration. StaMagUnion EWDB_StationMagUnion Information about the measurement upon which the magnitude is based. This could be either Peak Amplitude information for an Amplitude based magnitude, or Coda Duration information for a Duration based magnitude.
Group:	EWDB_API_LIB
Sub Group:	PARAMETRIC_API
Language:	C
Location:	./src/oracle/schema-working/src/include/ewdb_ora_api.h

---

EWDB_StationMagUnion

Type:	union _EWDB_StationMagUnion
Description:	Structure of Station Magnitude information.
Note:
Field Type Description PeakAmp EWDB_PeakAmpStruct Measurement information for an Amplitude measurement. CodaDur EWDB_CodaDurationStruct Measurement information for a Coda Duration measurement.
Group:	EWDB_API_LIB
Sub Group:	PARAMETRIC_API
Language:	C
Location:	./src/oracle/schema-working/src/include/ewdb_ora_api.h

---

EWDB_TriggerStruct

Type:	struct _EWDB_TriggerStruct
Description:	Single Channel Triggerstructure.
Note:
Field Type Description idTrigger EWDBid Database ID for the Coincidence. tTrigger double Time of the trigger idCoincidence EWDBid Database identifier of the Coincidence Event with which this trigger is associated. idChan EWDBid Database identifier of the channel with which this trigger is associated.
Group:	EWDB_API_LIB
Sub Group:	PARAMETRIC_API
Language:	C
Location:	./src/oracle/schema-working/src/include/ewdb_ora_api.h