Shallow M5.9 earthquake hits offshore Guam
A shallow M5.9 earthquake was recorded at 07:37 UTC on November 4, 2025, about 192 km (119 miles) west-southwest of Merizo Village, Guam, at a depth of 66.0 km (41.0 miles).
The coordinates of the earthquake were 143.1°E and 12.4°N, placing the epicenter offshore of Guam in the western Pacific Ocean. The nearest populated area was Merizo Village, lying to the east of the event location across open water.
Given the offshore setting near Guam, nearby infrastructure may include maritime shipping routes, undersea communications cables, and access to port facilities on Guam itself.
There is no tsunami threat associated with this earthquake, based on its location and available data.
Four felt reports were received following the event. The significance index is 537 (on a scale that runs through 1 000), based on magnitude, felt reports, and estimated impact.
Guam and the surrounding region are situated along the boundary between the Philippine Sea Plate and the Pacific Plate, an area known for frequent seismic activity due to complex tectonic interactions.
This information was last updated at 07:57 UTC on November 4, 2025.