Let It Go: Earthquake Swarm Releases Strain along the Subduction Zone
Late on May 1, 2024, a flurry of earthquakes rattled offshore of Herbert Island. In the span of 12 minutes, four earthquakes over magnitude 5 ruptured in the Fox Islands region of the Aleutian Islands (Figure 1).
If you've paid much attention to earthquakes in Alaska over the last few years, you've probably heard the phrase “earthquake swarm.” In 2014, a swarm near Noatak rattled residents with five magnitude 5.3-5.7 earthquakes spread out over two months.
The unusual M7.6 aftershock of the M7.8 Simeonof earthquake
On October 19, 2020 a magnitude 7.6 earthquake shook the ground in the vicinity of the July 22, 2020 M7.8 Simeonof earthquake aftershock region (Figure 1).
Staff Spotlight: Heather McFarlin
Ensuring the Alaska Earthquake Center produces high-quality data, examining volcanic ash, and classifying volcanic earthquakes, all stem from a childhood fascination for Heather McFarlin, the Earthquake Center’s seismic data manager.
Earthquakes reported in Alaska so far this year: 14960
