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USGS shakemap of one of the strongest aftershocks Map of northern Baja California and Southern California with earthquakes shortly after the main earthquake. Four aftershocks with a magnitude of at least 5 have been reported; one at a magnitude of 5.2, [16] one at 5.4, [17] one at 5.1, [18] and one at a magnitude of 5.7, all four within one hour.
The 2010 Eureka earthquake occurred on January 9 at 4:27:38 pm PST offshore of Humboldt County, California, United States.The magnitude was measured 6.5 on the M w scale, and its epicenter was located offshore in the Pacific Ocean 33 miles (53 km) west of the nearest major city, Eureka.
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 documented earthquakes.
“Drop, Cover, Hold on. Protect yourself,” the U.S. Geological Survey warned moment before the eathquake struck.
SAN FRANCISCO (Reuters) -A powerful earthquake of magnitude 7 hit off the coast of a sparsely populated area of northern California on Thursday, prompting coastal towns to evacuate low-lying areas ...
A large, 7.0-magnitude earthquake struck off the coast of Humboldt County in Northern California on Thursday morning, prompting a tsunami warning for part of the North Coast.
The 2010 Chile earthquake registered 8.8 on the moment magnitude scale, [3] ranking it as the 6th strongest earthquake since 1900. The tsunami associated with the Chile earthquake caused tsunami advisories and warning across the entire Pacific Ocean rim, also known as the Ring of Fire .
Aftershocks continued Friday after a strong earthquake that prompted a tsunami warning for parts of the U.S. West Coast Thursday. "At this time, there have been 59 earthquakes of magnitude three ...