orid

Base Entity | origin
Attribute Name | orid
Logical Rolename | orid
ColumnName | orid
RoleName | orid
Definition | Origin identification. Each origin is assigned a unique positive integer which identifies it in the database. The orid is used to identify one of the many hypotheses of the actual location of the event
Note | Range: orid > 0

evid

Base Entity | origin
Attribute Name | evid
Logical Rolename | evid
ColumnName | evid
RoleName | evid
Definition | Event identifier. Each event is assigned a unique integer which identifies it in a database. It is possible for several records in the Origin relation to have the same evid. This indicates there are several opinions about the location of the event. The evid does not have to be identical to the local network’s event identifier, which is stored in the Origin table. This allows merging data for a single event from multiple sources without insisting that database evid is identical to the source’s local event identifier
Note | Range: evid > 0

prefmag

Base Entity | origin
Attribute Name | magid
Logical Rolename | magid
ColumnName | prefmag
RoleName | prefmag
Definition | Preferred magnitude. This attribute holds the magnitude identifier, magid, that points to the preferred magnitude for a seismic event or an origin
Note | Range: prefmag > 0

prefmec

Base Entity | origin
Attribute Name | mecid
Logical Rolename | mecid
ColumnName | prefmec
RoleName | prefmec
Definition | Preferred mechanism. This attribute holds the mechanism identifier, mecid, that points to the preferred mechanism for a seismic event or an origin
Note | Range: prefmec > 0

commid

Base Entity | origin
Attribute Name | commid
Logical Rolename | commid
ColumnName | commid
RoleName | commid
Definition | Comment identification. This is a key used to point to free-form comments entered in the Remark relation. These comments store additional information about a tuple in another relation. Within the Remark relation, there may be many tuples with the same commid and different lineno, but the same commid will appear in only one other tuple among the rest of the relations in the database
Note | Range: commid > 0

bogusflag

Base Entity | origin
Attribute Name | bogusflag
Logical Rolename | bogusflag
ColumnName | bogusflag
RoleName | bogusflag
Definition | This field describes whether an origin is bogus or not
Note | Range: bogusflag = {0 | 1} 0 = no 1 = yes

datetime

Base Entity | origin
Attribute Name | datetime
Logical Rolename | datetime
ColumnName | datetime
RoleName | datetime
Definition | The date of associated with information in the record, in true epoch format
Note | Range: Any valid float. datetime = 0.0 on January 01, 1970 at 00:00:00.0000 Units: Seconds

lat

Base Entity | origin
Attribute Name | lat
Logical Rolename | lat
ColumnName | lat
RoleName | lat
Definition | Latitude. This attribute is the geographic latitude. Locations north of the equator have positive latitudes
Note | Range: -90.0 <= lat <= 90.0 Units: Degrees

lon

Base Entity | origin
Attribute Name | lon
Logical Rolename | lon
ColumnName | lon
RoleName | lon
Definition | Longitude. This attribute is the geographic longitude. Longitudes are measured positive east of the Greenwich meridian
Note | Range: -180.0 <= lon <= 180.0 Units: Degrees

depth

Base Entity | origin
Attribute Name | depth
Logical Rolename | depth
ColumnName | depth
RoleName | depth
Definition | Source depth. This attribute gives the depth of the event origin. The reference depth of 0 is usually defined as the average elevation of stations used to determine the origin, although other data may be specified. Positive values are down, negative values are up from the reference point
Note | Range: -10.0 <= depth <= 1000.0 Units: Kilometers

type

Base Entity | origin
Attribute Name | type
Logical Rolename | type
ColumnName | type
RoleName | type
Definition | Type of location
Note | Range: type = {H | C | A} H = hypocenter C = centroid A = amplitude

algorithm

Base Entity | origin
Attribute Name | algorithm
Logical Rolename | algorithm
ColumnName | algorithm
RoleName | algorithm
Definition | Algorithm used. This is a brief textual description of the algorithm used to compute a seismic origin
Note | Range: Any free-format string up to 15 characters

algo_assoc

Base Entity | origin
Attribute Name | algo_assoc
Logical Rolename | algo_assoc
ColumnName | algo_assoc
RoleName | algo_assoc
Definition | Association algorithm used. This is a textual description of the algorithm used for associating the data
Note | Range: Any free-format string up to 80 characters

auth

Base Entity | origin
Attribute Name | auth
Logical Rolename | auth
ColumnName | auth
RoleName | auth
Definition | The auth field specifies the source of the information. This may be a network identifier (FDSN or otherwise), or any other string indicating the source of the information in the record
Note | Range: Any free-format string up to 15 characters

subsource

Base Entity | origin
Attribute Name | subsource
Logical Rolename | subsource
ColumnName | subsource
RoleName | subsource
Definition | A second identifier to specify a unique source within the domain specified by auth
Note | Range: Any free-format string up to 8 characters

datumhor

Base Entity | origin
Attribute Name | datumhor
Logical Rolename | datumhor
ColumnName | datumhor
RoleName | datumhor
Definition | Datum type for horizontal (latitude and longitude) coordinates
Note | Range: datumhor = { NAD27 | WGS84}

datumver

Base Entity | origin
Attribute Name | datumver
Logical Rolename | datumver
ColumnName | datumver
RoleName | datumver
Definition | Datum type for depth or elevation
Note | Range: datumver = { NAD27 | WGS84 | AVERAGE} AVERAGE = average of stations

gap

Base Entity | origin
Attribute Name | gap
Logical Rolename | gap
ColumnName | gap
RoleName | gap
Definition | Gap in azimuthal coverage
Note | Range: 0.0 <= gap <= 360.0 Units: Degrees

distance

Base Entity | origin
Attribute Name | distance
Logical Rolename | distance
ColumnName | distance
RoleName | distance
Definition | Distance from the origin to the nearest station
Note | Range: distance >= 0.0 Units: Kilometers

wrms

Base Entity | origin
Attribute Name | wrms
Logical Rolename | wrms
ColumnName | wrms
RoleName | wrms
Definition | This attribute denotes the weighted RMS
Note | Range: wrms > 0.0

stime

Base Entity | origin
Attribute Name | stime
Logical Rolename | stime
ColumnName | stime
RoleName | stime
Definition | Origin time error. This attribute denotes the standard deviation of the origin time
Note | Range: stime >= 0.0 Units: Seconds

erhor

Base Entity | origin
Attribute Name | erhor
Logical Rolename | erhor
ColumnName | erhor
RoleName | erhor
Definition | Horizontal error. This attribute denotes the location uncertainty that accompanies the location
Note | Range: erhor >= 0.0 Units: Kilometers

sdep

Base Entity | origin
Attribute Name | sdep
Logical Rolename | sdep
ColumnName | sdep
RoleName | sdep
Definition | Depth error. This is the standard deviation of the depth estimate
Note | Range: sdep >= 0.0 Units: Kilometers

erlat

Base Entity | origin
Attribute Name | erlat
Logical Rolename | erlat
ColumnName | erlat
RoleName | erlat
Definition | Error in latitude. This is the standard deviation of the latitude estimate
Note | Range: erlat >= 0.0 Units: Kilometers

erlon

Base Entity | origin
Attribute Name | erlon
Logical Rolename | erlon
ColumnName | erlon
RoleName | erlon
Definition | Error in longitude. This is the standard deviation of the longitude estimate
Note | Range: erlon >= 0.0 Units: Kilometers

totalarr

Base Entity | origin
Attribute Name | totalarr
Logical Rolename | totalarr
ColumnName | totalarr
RoleName | totalarr
Definition | Total number of phases in the database for the specified orid. This field signifies the number of P and S arrivals with non-zero input weights
Note | Range: totalarr >= 0

totalamp

Base Entity | origin
Attribute Name | totalamp
Logical Rolename | totalamp
ColumnName | totalamp
RoleName | totalamp
Definition | Total number of amplitudes in the database for the specified orid. Not all amplitudes have to associated with all magnitudes or origins
Note | Range: totalamp >= 0

ndef

Base Entity | origin
Attribute Name | ndef
Logical Rolename | ndef
ColumnName | ndef
RoleName | ndef
Definition | This attribute denotes the number of phases with non-zero output weights used in hypocenter calculation
Note | Range: ndef >= 0

nbs

Base Entity | origin
Attribute Name | nbs
Logical Rolename | nbs
ColumnName | nbs
RoleName | nbs
Definition | Number of S phase readings with non-zero output weights
Note | Range: nbs >= 0

nbfm

Base Entity | origin
Attribute Name | nbfm
Logical Rolename | nbfm
ColumnName | nbfm
RoleName | nbfm
Definition | Number of P first motions with non-zero input weights
Note | Range: nbfm >= 0

locevid

Base Entity | origin
Attribute Name | locevid
Logical Rolename | locevid
ColumnName | locevid
RoleName | locevid
Definition | Local event identifier. This attribute describes the original event identifier of the event. In combination with auth and subsource, it can be used to uniquely identify the original event identifier from that source. For example, waveforms from the original source may be associated with this identifier
Note | Range: Any free-format string up to 12 characters long

quality

Base Entity | origin
Attribute Name | quality
Logical Rolename | quality
ColumnName | quality
RoleName | quality
Definition | This attribute denotes the quality of an origin, an arrival, or a mechanism. 1.0 = good, 0.0 = bad
Note | Range: 0.0 <= quality <= 1.0

fdepth

Base Entity | origin
Attribute Name | fdepth
Logical Rolename | fdepth
ColumnName | fdepth
RoleName | fdepth
Definition | This attribute indicates if the depth was fixed or not to compute the solution
Note | Range: fdepth = {y | n} y = fixed depth n = free depth

fepi

Base Entity | origin
Attribute Name | fepi
Logical Rolename | fepi
ColumnName | fepi
RoleName | fepi
Definition | This attribute indicates if the epicenter was fixed or not to compute the solution
Note | Range: fepi = {y | n} y = fixed epicenter n = free epicenter

ftime

Base Entity | origin
Attribute Name | ftime
Logical Rolename | ftime
ColumnName | ftime
RoleName | ftime
Definition | This attribute indicates if the origin time was fixed or not to compute the solution
Note | Range: ftime = {y | n} y = fixed origin time n = free origin time

vmodelid

Base Entity | origin
Attribute Name | vmodelid
Logical Rolename | vmodelid
ColumnName | vmodelid
RoleName | vmodelid
Definition | Velocity model identification
Note | Range: vmodelid > 0

cmodelid

Base Entity | origin
Attribute Name | cmodelid
Logical Rolename | cmodelid
ColumnName | cmodelid
RoleName | cmodelid
Definition | Crustal model identifier
Note | Range: cmodelid > 0

rflag

Base Entity | origin
Attribute Name | rflag
Logical Rolename | rflag
ColumnName | rflag
RoleName | rflag
Definition | This flag describes whether an observation was generated automatically, by a human, or has been finalized
Note | Range: rflag = {A | H | F} A = automatic H = reviewed by human F = finalized

lddate

Base Entity | origin
Attribute Name | lddate
Logical Rolename | lddate
ColumnName | lddate
RoleName | lddate
Definition | Load date. Date and time that the record was created or last modified, in Oracle date datatype
Note | Range: Any valid date between January 01, 4712 BC and January 01, 4712 AD Units: YYYY/MM/DD HH24:MI:SS