Imperial Valley  search
RTBaja California
 Borrego Mountain earthquake 1968
 California
 Colorado Desert
 East Mesa KGRA
 El Centro California
 El Centro earthquake 1940
 Imperial Fault
 Imperial Valley earthquake 1979
 Mexicali Valley
SNImperial County in extreme SE California and Baja California, Mexico. Indexed with counties or regions as applicable.
Imperial Valley earthquake 1940  search
USEEl Centro earthquake 1940
Imperial Valley earthquake 1979  search
BTearthquakes
 .Imperial Valley earthquake 1979
RTCalifornia
 Imperial Valley
SNEpicenter in Imperial Valley, S California. Added to Thesaurus in 1985.