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Map of Japan showing the distribution of maximum JMA Seismic Intensities by prefecture for the 2011 Tōhoku Earthquake On April 1, 1996, the scale was revised, eliminating sensory-based observations and fully transitioning to instrument-based measurements.
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 ...
The foreground is in the Santa Barbara Channel, the east-trending zone marks the Transverse Range. Faults in the upper left are part of the Eastern California Shear Zone, connecting northward with the Walker Lane region. Faults extend deeper than shown. Cumulative energy released by all earthquakes in Southern California from 1932 through July ...
A 4.7 magnitude earthquake centered in Malibu, California, rocked the Los Angeles area Thursday morning, according to the U.S. Geological Survey. A 2.8 magnitude aftershock was registered in ...
A 4.7 magnitude earthquake struck in Southern California early Thursday, according to the United States Geological Survey.. The strong quake was recorded about 4.35 miles north of Malibu and about ...
A magnitude 2.9 earthquake struck underneath the L.A. neighborhood of El Sereno on Monday, causing weak shaking throughout the Eastside and the San Gabriel Valley.
The epicenter region of the earthquake was located in the San Fernando Valley, about 30 km (19 mi) northwest of downtown Los Angeles. The United States Geological Survey (USGS) placed the hypocenter 's geographical coordinates at 34°12′47″N 118°32′13″W / 34.213°N 118.537°W / 34.213; -118.537 and at a depth of 11.31 miles ...
A magnitude 4.2 earthquake was felt widely across the nation's second largest city Friday and shook things off shelves near the epicenter in a small mountain community east of Los Angeles, but ...