
July 8, 2021 M 6.0 Antelope Valley, CA Earthquake
At 22:49:48 (UTC) on July 8, a magnitude 6.0 earthquake occurred in Antelope Valley, CA along the eastern side of the Sierra Nevada Mountains, generating felt shaking across a wide area.
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At 22:49:48 (UTC) on July 8, a magnitude 6.0 earthquake occurred in Antelope Valley, CA along the eastern side of the Sierra Nevada Mountains, generating felt shaking across a wide area.
At 17:55:58 (UTC) on June 5, a magnitude 5.3 earthquake 11 kilometers west of Calipatria, California started a swarm of events in the area. The swarm is associated with the Westmorland Fault and the step-over fault system between the San Jacinto and San Andreas faults.
At 6:59:54 (UTC) on May 31, 2021 there was a magnitude 6.1 earthquake with an epicenter 73 kilometers north of Chickaloon, Alaska (and 161 kilometers northeast of Anchorage). UNAVCO staff have assessed nearby GPS/GNSS stations for data availability and archived 1 Hz and 5 Hz data where possible for access via our data portals.
Following several months of elevated activity—including the appearance and growth of a new lava dome—Soufrière St. Vincent started an explosive phase of eruptions on April 9.
At 18:59:25 UTC on Saturday, February 27, an earthquake occurred with an epicenter just across the Knik Arm of Cook Inlet from Anchorage, Alaska, where light to moderate shaking was felt. A tsunami warning was not issued for this event.
A magnitude 7.6 earthquake occurred on October 19, 2020 southeast of Sand Point, Alaska. This is within the footprint of the Network of the Americas (NOTA) GNSS network operated by UNAVCO. The earthquake prompted tsunami warnings in communities across coastal Alaska and caused damage in and around Sand Point.
The Simeonof M7.8 earthquake occurred on July 22, 2020 near the mostly uninhabited Shumagin Islands. The earthquake ruptured a portion of the Aleutian subduction zone that has not hosted an earthquake in over 100 years. Shaking was felt as far as 500 miles from the epicenter. No significant damage was reported.
A magnitude 5.8 earthquake occurred at 17:40:49 UTC (10:40:49 local) on June 24, 2020, 18 km SSE of Lone Pine, California. For more information, see the USGS Earthquake Hazards Program event page.
The July 2019 Ridgecrest earthquakes occurred in southern California not far from the city of Ridgecrest. Approximately 30 million people felt the mainshock. The GAGE facility has instrumentation in the footprint of the earthquake series and curated data to be used for scientific investigation.