Key facts
- Magnitude
- 5.4 (mww)
- Location
- 197 km WSW of Merizo Village, Guam
- Time
- 9:14 AM GMT+10, Wednesday, October 28, 2026
- Depth
- 91.6 km
- Tsunami
- No tsunami flag from USGS
What to do
If you feel shaking, Drop, Cover, and Hold On. Get down, take cover under a sturdy table or desk, and hold on until the shaking stops.
Expect aftershocks. Each time you feel one, use the same steps again.
After the shaking stops, check for gas leaks and damage around you. Stay out of damaged buildings.
Context
USGS data shows 628 earthquakes of magnitude 4 or greater within 100 km of this location since 2000. Of those, 42 were magnitude 5 or greater. This means moderate earthquakes are a regular occurrence in this area.
A magnitude 5.4 event is in the range of that past activity. These counts cover only earthquakes recorded by USGS in that radius and time span.
History here
USGS records 628 earthquakes of magnitude 4 or more within 100 km of this epicenter since 2000, 42 of them magnitude 5 or more.
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Questions
- Was there an earthquake near Guam today?
- Yes. USGS reports a magnitude 5.4 earthquake 197 km WSW of Merizo Village, Guam, at 9:14 AM GMT+10 on Wednesday, October 28, 2026.
- How deep was the Guam earthquake?
- USGS puts the depth at 91.6 km. The magnitude was 5.4.
- Is there a tsunami threat from the earthquake near Guam?
- USGS did not flag a tsunami threat for this earthquake.
Sources
- USGS: M 5.4 197 km WSW of Merizo Village, Guam usgs.gov
- USGS earthquake catalog (history count) usgs.gov
How this page is made. The Herebeat Hazard Desk builds event pages from official U.S. government data (National Weather Service, USGS, FEMA). The text is written with AI from that data; every number and quote is checked against the official source automatically before publishing, and the page is updated when the agency updates the event. The official source is always the reference. Spotted a mistake? info@herebeat.app. About the Hazard Desk.