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Logo of the ANSS. The Advanced National Seismic System (ANSS) is a collaboration of the U.S. Geological Survey (USGS) and regional, state, and academic partners that collects and analyzes data on significant earthquakes to provide near real-time (generally within 10 to 30 minutes [1]) information to emergency responders and officials, the news media, and the public. [2]
ASCE data shows that a magnitude of 5.1 places Monday’s quake just behind the fourth-strongest earthquake in state history – a 5.2 that struck Dalhart on March 12, 1948. At least two 5.2 ...
The temblor, initially measured at magnitude 5.1, struck at 7:49 p.m. at a depth of about 5 miles below the surface, around 21 miles west-southwest of Ackerly, according to the agency. No injuries ...
MALIBU, Calif. - A preliminary 3.0 magnitude earthquake struck near Malibu Saturday afternoon, according to the United States Geological Survey. Data from the USGS indicated that the quake ...
The 2021 South Sandwich Islands earthquakes were a pair of powerful earthquakes, followed by many strong aftershocks which struck along the South Sandwich Trench in August 2021. The quakes measured 7.5 and 8.1 on the moment magnitude scale, according to the United States Geological Survey. [4][5] The mainshock is tied with another event in 1929 ...
Retrieved 24 Jan 2021. ^ a b Craig M. dePolo and Terri M. Garside (2006). The November 21, 1910 Tonopah Junction Earthquake, and the February 18, 1914 and April 24, 1914 Reno Earthquakes in Nevada (PDF). ^ "M 6.0 - Nevada". USGS-ANSS. Retrieved 24 Jan 2021.
They were preceded by a pair of earthquakes in early June — a magnitude 3.4 on June 2 and a magnitude 2.8 on June 4 — as well as a magnitude 2.9 earthquake in the same area June 24.
The New Madrid Seismic Zone (NMSZ), sometimes called the New Madrid Fault Line, is a major seismic zone and a prolific source of intraplate earthquakes (earthquakes within a tectonic plate) in the Southern and Midwestern United States, stretching to the southwest from New Madrid, Missouri. The New Madrid fault system was responsible for the ...