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A 5.8-magnitude earthquake hit Nevada Monday afternoon, according to the United States Geological Survey, with shaking felt as far west as California.. The quake struck 15 miles north-northeast of ...
1979 Imperial Valley earthquake – magnitude 6.4 earthquake with an epicenter less than 1 km inside Mexico – significant damage and injuries on both sides of the border (60 in the US) 2010 Baja California earthquake (Mexico near S California) – magnitude 7.2 earthquake, 4 fatalities and 100 injuries, none in the United States
M w [36] Foreshock to the next earthquake on 22 May. 1960 Concepción earthquakes: 22 May 1960 15:11 (local time) Valdivia, Chile: 6,000 9.5 M w [37] The largest earthquake in recorded history. 1960 Valdivia earthquake: 13 October 1963 15:17 (local time) Kuril Islands, USSR (present-day Russia) 0 8.5 M w [38] One of the largest earthquake in ...
Millions of minor earthquakes occur every year worldwide, equating to hundreds every hour every day. [15] On the other hand, earthquakes of magnitude ≥8.0 occur about once a year, on average. [15] The largest recorded earthquake was the Great Chilean earthquake of May 22, 1960, which had a magnitude of 9.5 on the moment magnitude scale. [16]
The 2001 southern Peru earthquake occurred at 20:33:15 UTC (15:33:15 local time) on June 23 with a moment magnitude of 8.4 and a maximum Mercalli intensity of XII (Extreme).
A magnitude 6.2 earthquake struck the South Sandwich Islands on March 8 at a depth of 10.0 km (6.2 mi). A magnitude 6.0 earthquake struck Sergeyevka, Primorsky Krai, Russia [10] on March 9 at a depth of 441.2 km (274.1 mi). A magnitude 6.0 earthquake struck The Gulf of California on March 13 at a depth of 26.1 km (16.2 mi).
The 1971 San Fernando earthquake (also known as the 1971 Sylmar earthquake) occurred in the early morning of February 9 in the foothills of the San Gabriel Mountains in Southern California. The unanticipated thrust earthquake had a magnitude of 6.5 on the M s scale and 6.6 on the M w scale, and a maximum Mercalli intensity of XI (Extreme).
The Modified Mercalli intensity scale (MM, MMI, or MCS) measures the effects of an earthquake at a given location. This is in contrast with the seismic magnitude usually reported for an earthquake. Magnitude scales measure the inherent force or strength of an earthquake – an event occurring at greater or lesser depth. (The "M w" scale is ...