Coastal M5.4 Earthquake Likely From Within the Subducting Slab
The M5.4 earthquake on Sunday morning March 19th was widely felt in Kenai Peninsula communities and as far as the MatSu valley (Fig. 1). With a depth of 40.6 miles, it is likely that this earthquake occurred in the Pacific Plate.
Alaska had a relatively quiet 2022 as far as earthquakes go. Overall, the Alaska Earthquake Center reported 47,045 seismic events in Alaska and neighboring regions in 2022 (Figure 1).
What happens in the first 20 minutes after an earthquake?
“As far as earthquakes go, for everyone in Alaska, there is someone looking out for you 24/7,” said Ken Macpherson, who manages the Alaska Earthquake Center’s data analyst team.
Earthquakes reported in Alaska so far this year: 10476
