evid

Base Entity | significant_event
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

evname

Base Entity | significant_event
Attribute Name | evname
Logical Rolename | evname
ColumnName | evname
RoleName | evname
Definition | Event name. This is a descriptive name for major events
Note | Range: Any free-format string up to 80 characters

remarks

Base Entity | significant_event
Attribute Name | remarks
Logical Rolename | remarks
ColumnName | remarks
RoleName | remarks
Definition | This attribute is used to give some information about the event, such as felt or damage
Note | Range: remarks = {f | d} f = felt d = damage

nfelt

Base Entity | significant_event
Attribute Name | nfelt
Logical Rolename | nfelt
ColumnName | nfelt
RoleName | nfelt
Definition | Number of felt reports
Note | Range: nfelt > 0

mmi

Base Entity | significant_event
Attribute Name | mmi
Logical Rolename | mmi
ColumnName | mmi
RoleName | mmi
Definition | Reported or inferred Mercali intensity for event
Note | Range: 1 <= mmi <= 12

pga

Base Entity | significant_event
Attribute Name | pga
Logical Rolename | pga
ColumnName | pga
RoleName | pga
Definition | Peak ground acceleration recorded by any station for the event. Represented in g, where 1.0 = 1g
Note | Range: pga > 0.0 Units: g

lddate

Base Entity | significant_event
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