
April 21, 2022 M 6.7 Masachapa, Nicaragua Earthquake
At 7:42:46 UTC on April 21, a magnitude 6.7 earthquake occurred offshore of Nicaragua 58 kilometers southwest of Masachapa.
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At 7:42:46 UTC on April 21, a magnitude 6.7 earthquake occurred offshore of Nicaragua 58 kilometers southwest of Masachapa.
At 11:35:46 (UTC) on January 11, a magnitude 6.8 earthquake occurred about 70 kilometers off Alaska’s Umnak Island, followed by a magnitude 6.6 event nearby at 12:39:31 (UTC).
At 16:25:07 (UTC) on January 6, 2022, a magnitude 6.1 earthquake occurred offshore of Nicaragua, about 58 kilometers south of Corinto.
At 20:10:18 (UTC) on December 20, 2021 a magnitude 6.2 occurred off the coast of Northern California.
At 1:47:47 (UTC) on September 8, 2021, a magnitude 7.0 earthquake occurred near Acapulco, Mexico. The earthquake is associated with the plate boundary, where the oceanic Cocos plate collides with and subducts beneath Mexico. Slip occurred with a reverse motion and centered at a depth of 20 kilometers, producing a local tsunami warning but no warning for other regions in the Pacific.
At 12:29:09 (UTC) on August 14, a shallow magnitude 7.2 earthquake occurred 12 kilometers northeast of Saint-Louis du Sud in Haiti, with oblique reverse motion on the fault.
At 6:15:47 (UTC) on July 28, a magnitude 8.2 earthquake occurred southeast of Perryville and Chignik, off the coast of the Alaska Peninsula. The event occurred within the footprint of the Network of the Americas (NOTA), a network of continuous GPS/GNSS stations and borehole instruments operated by UNAVCO that monitors plate motion and transient deformation.
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.