USGS Logs 8 Quakes in 24 Hours Across North America, Including M5.9 Off Alaska

Real-time monitoring by USGS and Mexico's SSN informs public preparedness.

Overview

USGS reported eight earthquakes of magnitude 2.5 or greater in the North America and Caribbean region over the past 24 hours.
A magnitude 5.9 struck about 241 kilometers west of Adak, Alaska at 11:07 UTC on August 28, according to the agency.
The strongest event in the contiguous United States was a magnitude 3.0 near Dunsmuir, California at 11:15 UTC.
Additional listed tremors included a magnitude 3.5 near Pāhala, Hawaii, a 2.8 near Anderson Springs, California, and two events near Puerto Rico.
Mexico’s Servicio Sismológico Nacional reports the country averages roughly 90 earthquakes above magnitude 4 each year and operates a nationwide real-time monitoring network.