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The 2020 Central Idaho earthquake occurred in the western United States on March 31, 2020, at 5:52 PM MDT, near Ruffneck Peak in the Sawtooth Mountains of central Idaho, 72 miles (116 km) northeast of Boise and 19 miles (31 km) northwest of Stanley. [3] [4] [5] It had a magnitude of 6.5 and was felt with a maximum intensity of VIII.
The 1983 Borah Peak earthquake occurred on October 28, at 8:06:09 a.m. MDT in the western United States, in the Lost River Range at Borah Peak in central Idaho. [ 5 ] [ 6 ] [ 7 ] The shock measured 6.9 on the moment magnitude scale and had a maximum Mercalli intensity of IX ( Violent ).
According to the USGS, "ShakeMaps provide near-real-time maps of ground motion and shaking intensity following significant earthquakes. These maps are used by federal, state, and local organizations, both public and private, for post-earthquake response and recovery, public and scientific information, as well as for preparedness exercises and ...
Sep. 30—The U.S. Geological Survey reported a 2.7-magnitude earthquake Monday morning in North Idaho. The epicenter was on the northwest end of McArthur Lake, about halfway between Sandpoint and ...
The magnitude 6.5 earthquake that rattled Boise and other parts of Southern Idaho in March 2020 has for years been attributed to the Sawtooth Fault in Central Idaho.
The fault is 40 mi (64 km) long, and runs near Stanley, Idaho, and Redfish Lake. Future earthquakes could be felt as far as Boise. [1] [2] [3] On March 31, 2020, the 6.5 magnitude 2020 Central Idaho earthquake struck about 16 km north-northeast of the Sawtooth Fault. [4]
The quake happened at 10:25 a.m. and was centered about 6.2 miles (10 kilometers) north of Smiths Ferry, according to the U.S. Geological Survey. The larger earthquake Monday is the largest in ...
Since 1919, the Idaho Geological Survey (formerly Bureau of Mines and Geology) has studied and reported on the general and environmental geology of the state. The Survey also studies and reports on the water (both surface and ground), mineral data, and energy assets of the state.