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Time of movement Associated earthquakes Sources Aedipsos-Kandili Fault: 60: ... New Madrid Fault Zone: Missouri, United States: Normal fault: Active: 1811–1812 ...
The San Jacinto Fault Zone and the San Andreas Fault (SAF) accommodate up to 80% of the slip rate between the North American and Pacific plates.The extreme southern portion of the SAF has experienced two moderate events in historical times, while the SJFZ is one of California's most active fault zones and has repeatedly produced both moderate and large events.
From the north these are (see the map at right): Devils Mountain Fault zone (including Strawberry Point and Utsalady Point faults) ∪ Everett Basin. Southern Whidbey Island Fault (SWIF) ∩ "Uplift of unknown origin" (Port Ludlow) Kingston arch (Lofall Fault [22]) ∪ Seattle Basin. Seattle Fault zone (approx. lines E-F) ∩ Seattle Uplift
A full fault rupture, estimated to be around a 7.5 magnitude, could kill between 3,000 and 18,000 people, according to US Geological Survey and Southern California Earthquake Center.
The USGS maintains several monitoring instruments around the country for known fault lines and volcanos. Data from these measurements is transmitted in real-time to researchers in California.
A map by the California Geological Survey shows faults near the Lake Almanor area in Plumas County, where a magnitude 5.5 earthquake struck Thursday, May 11, 2023, followed by a magnitude 5.2 ...
The San Diego Trough Fault Zone is a group of connected right-lateral strike-slip faults that run parallel to the coast of Southern California, United States, for 150–166 km (93–103 mi). The fault zone takes up 25% of the slip within the Inner Continental Borderlands. Portions of the fault get within 30 km (19 mi) of populated cities ...
A magnitude 4.8 earthquake shook the East Coast shortly after 10:20 a.m. Friday morning, according to the United States Geological Survey. (USGS)