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The 1915 Imperial Valley earthquakes were two destructive shocks centered near El Centro, California on June 22. The earthquakes measured M s 6.25 and occurred nearly one hour apart at 19:59 and 20:57 PST. Both shocks were assigned VIII (Severe) on the Modified Mercalli intensity scale. Heavy damage occurred in the areas of Mexicali and El ...
UTC time: 1940-05-19 04:36:47: ISC event: 901341: USGS-ANSSComCat: Local date: May 18, 1940 (): Local time: 21:35 PST: Magnitude: 6.9 M w [1]: Depth: 16 km (9.9 mi) [1] Epicenter: 1]: Type: Strike-slip: Areas affected: United States, Mexico: Total damage: $6 million [2]: Max. intensity: MMI X (Extreme) [1]: Casualties: 9 dead [2] 20 injured [3]: The 1940 El Centro earthquake (or 1940 Imperial ...
Probabilistic seismic hazard map. The earliest known earthquake in the U.S. state of California was documented in 1769 by the Spanish explorers and Catholic missionaries of the Portolá expedition as they traveled northward from San Diego along the Santa Ana River near the present site of Los Angeles. Ship captains and other explorers also ...
1915 Imperial Valley earthquakes: Two magnitude 6.25 shocks occurred ~1 hour apart. Six people died and several were injured in the second quake at Mexicali, located just inside the Mexican border. Unstable banks of the New and Alamo Rivers caved in many places. 1940 El Centro earthquake; 1979 Imperial Valley earthquake; 2010 Baja California ...
In 1940, El Centro experienced a 7.1 earthquake, [11] and population growth accelerated through the 1940s. [12] By the mid-1940s, El Centro had become the second largest city in the Imperial Valley, with a population of about 11,000 people. El Centro had also become the location of the Imperial Irrigation District (IID) administrative offices. [9]
An agricultural community in Imperial County experienced a 4.8 earthquake and more than 180 smaller aftershocks. A midnight 4.8 earthquake followed by a cluster of aftershocks rocks the El Centro area
A pair of quakes hit the eastern Los Angeles neighborhood of El Sereno early this week. The first was magnitude 3.4 , striking at 9:56 a.m. Sunday, a couple of blocks south of Huntington Drive and ...
1898 Mare Island earthquake; 1899 San Jacinto earthquake; 1906 San Francisco earthquake; 1915 Imperial Valley earthquakes; 1918 San Jacinto earthquake; 1925 Santa Barbara earthquake; 1927 Lompoc earthquake; 1932 Eureka earthquake; 1933 Long Beach earthquake; 1940 El Centro earthquake; 1948 Desert Hot Springs earthquake; 1952 Kern County ...