Historic Earthquakes

Landers, California
1992 06 28 11:57:34 UTC
Magnitude 7.3

Big Bear, California
1992 06 28 15:05:30 UTC
Magnitude 6.5

Landers, California
One person was killed at Yucca Valley, two people died of heart attacks, more than 400 people were injured and substantial damage occurred in the Landers - Yucca Valley area. Maximum intensity IX. Preliminary estimate of damage for this earthquake plus the following magnitude 6.5 event at 15:05 UTC is 92 million US dollars. Felt throughout southern California, southern Nevada, western Arizona and southern Utah. Felt in high-rise buildings as far north as Boise, Idaho, and as far east as Albuquerque, New Mexico, and Denver, Colorado. Surface faulting observed along a 70 kilometer segment from Joshua Tree to near Barstow with as much as 5.5 meters of horizontal displacement and as much as 1.8 meters of vertical displacement. Seiches were reported as far north as Lake Union, Washington, and as far east as Aurora, Colorado, and Corpus Christi, Texas.

Big Bear, California
A major aftershock, the Big Bear earthquake claimed no lives but caused substantial damage and landslides in the Big Bear Lake and Big Bear City areas. Maximum intensity VIII. Felt throughout much of southern California and in parts of southern Nevada and western Arizona.

Abridged from Preliminary Determination of Epicenters, June, 1992.