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None. An earthquake occurred off the coast of the Alaska Peninsula on July 28, 2021, at 10:15 p.m. local time. [5] The large megathrust earthquake had a moment magnitude (Mw) of 8.2 according to the United States Geological Survey (USGS). [6] A tsunami warning was issued by the National Oceanic and Atmospheric Administration (NOAA) but later ...
The High-frequency Active Auroral Research Program (HAARP) is a University of Alaska Fairbanks program which researches the ionosphere – the highest, ionized part of Earth's atmosphere. The most prominent instrument at HAARP is the Ionospheric Research Instrument (IRI), a high-power radio frequency transmitter facility operating in the high ...
This is an incomplete list of earthquakes in Alaska. Date MMI Mag. Coordinates Depth Deaths ... 2020-10-19: VII: ... Mobile view ...
A magnitude 7.5 earthquake prompted a tsunami warning Monday for a nearly thousand-mile stretch of Alaska’s southern coast. Large earthquake off Alaska prompts tsunami fears, fleeing Skip to ...
The earthquake was initially rated a magnitude 7.4 but was upgraded to a magnitude 7.5 with a depth of 40.1 km (25 miles), according to the USGS. The epicenter was approximately 575 miles ...
An annotated image showing the Barry Arm landslide. The Barry Arm landslide is an ongoing landslide in the Barry Arm fjord, northeast of Whittier, Alaska. The landslide is currently sliding into the waters of the fjord. Recently discovered in 2020, scientists fear that the slope may trigger a large tsunami when it falls into the fjord.
1,315. 4.0–4.9. 12,216. ← 2019. 2021 →. This is a list of earthquakes in 2020. Only earthquakes of magnitude 6 or above are included, unless they result in damage and/or casualties, or are notable for other reasons. All dates are listed according to UTC time. Maximum intensities are indicated on the Modified Mercalli intensity scale and ...
2018 Anchorage earthquake. On November 30, 2018, at 8:29 a.m. AKST (17:29 UTC), a magnitude 7.1 [1] earthquake hit Anchorage in South Central Alaska. [5] The earthquake's epicenter was near Point Mackenzie, about 10 miles (16 km) north of Anchorage, and occurred at a depth of 29 miles (47 km). It was followed six minutes later by a magnitude 5. ...