Source Parameter Search
Optional Constraint Parameters
All constraints use AND logic.
Setting the year, month and day are optional.
To retrieve all dates, leave these fields blank.
Note: All dates in the database are in Coordindated Universal Time (UTC).
Setting the magnitude range is optional. To retrieve all earthquakes leave these fields blank.
Setting the depth range is optional.
To retrieve all depths leave these fields blank.
Depth is measured in kilometers.
Setting the location area is optional.
To search the entire world leave these fields blank.
The latitude and longitude pairs define the area for the search.
The coordinates are in decimal degrees.
North latitudes and east longitudes are input as positive values.
South latitudes and west longitudes are input as negative values.