The Alaska Earthquake Center is dedicated to reducing the impacts of earthquakes, tsunamis and volcanic eruptions in Alaska. 2.5. 6310 km. Detailed earthquake information - overview map, magnitude, time, depth, source, shake map, list of reports. The Latest Earthquakes application supports most recent browsers ... Only List Earthquakes Shown on Map . The minimum magnitude to plot is selected by the slider. 3.6. 2) Click a point on the map, this will be the left side of the cross-section. 146 km SSE of Isangel, Vanuatu. Download Station KML. 7.6 earthquake - Gulf of Alaska, 60 mi southeast of Sand Point, Aleutians East County, Alaska, USA, on Monday, 19 Oct 2020 11:54 am (GMT -9), Strong mag. Earthquake Rupture Patches. 2021-01-05 10:23:19 (UTC-08:00) 47.4 km. The first earthquake which was magnitude-7.8 hit at 6.12am UTC, 99km south-southeast of Perryville, Alaska. Shows quaternary faults as mapped and compiled by the Alaska Division of Geological and Geophysical Surveys. Click to view a larger image. Detailed earthquake information - overview map, magnitude, time, depth, information source, shake map, list of reports. File an "I felt it" report if you felt the quake! An earthquake on Tuesday night, July 21, 2020, prompted a tsunami warning across a stretch of coastal Alaska. Show areas that ruptured during many of the largest earthquakes in Alaska. On March 27, 1964 at 5:36pm local time (March 28 at 3:36 UTC) an earthquake of magnitude 9.2 occurred in the Prince William Sound region of Alaska. 3.0. A powerful 7.8-magnitude earthquake struck off the coast of Alaska, south of the Aleutian Islands, in the wee hours of Wednesday morning (July 22), prompting fear of a … Around 10:12 PM in Alaska, a strong earthquake was registered about 65 miles to the south of Perryville, Alaska. The earthquake’s hypocenter was 17 … See http://www.dggs.alaska.gov/pubs/id/24956 for full reference. A magnitude 7.0 earthquake that struck near Anchorage, Alaska, on Friday morning crumbled roads and splintered buildings, sent residents scurrying for cover and triggered a … The 1964 Alaskan earthquake, also known as the Great Alaskan earthquake and Good Friday earthquake, occurred at 5:36 PM AKST on Good Friday, March 27. Shortly after 10 p.m. Tuesday, a magnitude 7.8 earthquake centered about 65 miles south of Perryville on the Alaska Peninsula prompted a series of … 5 km SSE of Guánica, Puerto Rico. To reduce load times, the list is not rendered for large queries. We are working to update the National Seismic Hazard Map for Alaska with the past decade of new science in response to requests from the state’s engineering and geotechnical communities. Newest First. The first is a ShakeMap created by the United States Geological Survey (USGS). Javascript must be enabled to view our earthquake maps. Here, we conduct research to inform management of Alaska’s extensive natural resources, inform national Arctic energy policy, and provide scientific information to help others understand, respond to, and mitigate impacts from natural hazards. Major magnitude. 6.1 earthquake - Gulf of Alaska, 9.2 mi east of Simeonof Island, Aleutians East County, Alaska, USA, on Wednesday, 22 July 2020 at 06:16 (GMT), 102km ENE of Chernabura Island, Alaska (USA), 31km NNE of Chernabura Island, Alaska (USA), Alaska Peninsula, United States [Sea: United States] (USA). Features interactive map, read user reports and get links to further info. Probabilistic seismic hazard maps have been prepared for Alaska portraying ground motion values (peak ground acceleration and spectral amplitude at periods of 0.2, 0.3 and 1.0 seconds) at probabilities of exceedance of 2% and 10% in 50 years. Large earthquakes are common in the Alaska-Aleutian subduction zone. Newest First. An initial earthquake with a 7.5 magnitude occurred around Sand Point, Alaska, a city on one of the Shumagin Islands, just before 1 p.m. local time (5 p.m. 3.9. Magnitude. 8 km SSE of Maria Antonia, Puerto Rico. Clicking on an earthquake symbol shows its basic details and a link to a page with more details about the individual earthquake. Research The USGS Earthquake Hazards Program is part of the National Earthquake Hazards Reduction Program (NEHRP) , established by Congress in 1977, and the USGS Advanced National Seismic System (ANSS) was established by Congress as a NEHRP facility. A U.S. Geological Survey map shows where a magnitude 7.8 earthquake hit Alaska at 10:12 p.m. on July 21, 2020. The "Time" and "Depth" determines whether earthquake age or depth are used to color the symbol. If you felt this quake (or if you were near the epicenter), User reports estimate the perceived ground shaking intensity according to the, Based on its magnitude, the fault that was active during the quake ruptured along a surface of approx. 119 km ESE of Atka, Alaska. Tectonic setting. Magnitude. 6.1 earthquake - Gulf of Alaska, 24 mi southeast of Wosnesenski Island, Aleutians East County, Alaska, USA, on Tuesday, 28 July 2020 at 08:03 (GMT), Strong mag. We provide definitive earthquake information to the public, emergency managers, scientists and engineers. Across south-central Alaska, ground fissures, collapsing structures, and tsunamis resulting from the earthquake caused about 131 deaths.. In Alaska, there are various tools that can help when a quake hits, like the 911 system, ham radios and the Nixle program. While commonly plotted as points on maps, earthquakes of this size are more appropriately described as slip over a larger fault area. 3.4. 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