Foreshocks
Foreshocks
are relatively smaller earthquakes that precede the largest
earthquake in a series, which is termed the mainshock.
Not all mainshocks have foreshocks.
U.S.
Department of the Interior, U.S. Geological
Survey
This page is brought to you by the Earthquake Hazards Program
URL: http://earthquake.usgs.gov/image_glossary/
Maintained by: Web Team
Last modification:
Tuesday, 21-May-2002 13:13
Contact Us:
Web_Team