IASPEI Reference Event Search

between Minimum Maximum - Units
date hour - 4-digit year, 2-digit
month, day, hour
latitude - decimal degrees,
<0 for south
longitude - decimal degrees,
<0 for west
depth or unknown kilometres
defining phases or unknown integer count
and a magnitude of type
magnitude or unknown magnitude units
For each selected event include:
Headers Comments Links Secondaries Magnitudes Phases

We are grateful to users who cite the ISC as the source of their data.

Help with the search criteria.

Geographic Criteria: To select events worldwide leave latitude and longitude blank. To select events in a rectangle fill in 4 geographic limits.

Other Criteria: The events selected can be restricted by a minimum, a maximum, or both for each parameter. Fields can be left blank to avoid restricting the events selected. Care may be required when using several magnitude criteria together to avoid excluding events of interest.