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This is an incomplete list of earthquakes in the U.S state of Montana. Only earthquakes with a magnitude of 6.0 or greater are listed. Only earthquakes with a magnitude of 6.0 or greater are listed. Aftershocks are not included, unless they were of great significance or contributed to a death toll.
The 1959 Hebgen Lake earthquake (also known as the 1959 Yellowstone earthquake) [4] occurred in the western United States on August 17 at 11:37 pm (MST) in southwestern Montana. [4][5] The earthquake measured 7.2 on the moment magnitude scale, [1] caused a huge landslide, resulted in over 28 fatalities and left $ 11 million (equivalent to $115 ...
The most recent events is thought to have occurred in 1788, which were a pair of large events, and in 1854. [17] Two smaller earthquakes shook near the seismic gap in 1917 and 1948. [ 18 ] [ 19 ] That proposal also highlighted the potential for a tsunami accompanying an earthquake on the gap.
Adams is the largest active volcano in Washington by area and volume, according to the USGS. It is also the second-tallest volcano in the state, as Mount Ranier takes the number 1 spot. Original ...
Quake Lake (officially Earthquake Lake) is a lake in the western United States, on the Madison River in southwestern Montana. It was created after an earthquake struck on August 17, 1959, with 28 fatalities. [4] Northwest of West Yellowstone, Quake Lake is six miles (10 km) in length with a maximum depth of 125 feet (38 m). U.S. Route 287 ...
The 1935 Helena earthquake occurred at 22:48:02 MDT on October 18 in Montana, with an epicenter near Helena. [2] It had a magnitude of 6.2 on the surface-wave magnitude scale and a maximum perceived intensity of VIII (Severe) on the Mercalli intensity scale. The temblor on that date was the largest of a series of earthquakes that also included ...
That’s also where South Carolina’s most powerful recent earthquakes were recorded on June 29, 2022. On that day, two earthquakes — one a 3.5 magnitude and the other 3.6 — were included in ...
Casualties. 0. 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.