Earthquakes in Guam — April 2025
4 earthquakes were recorded in Guam during April 2025, an average of 0.1 per day.
4 reached magnitude 4 or above and 1 reached magnitude 5 or above. The average focal depth was 71 km.
The month's largest event in Guam was a magnitude 5.0 earthquake near Merizo Village, Guam on 28 April 2025 at 00:04 UTC. A magnitude 5.0 earthquake radiates roughly 477 tons of TNT equivalent in seismic energy.
That is close to the Guam monthly average of 4 events over the period we cover, and up from the 3 recorded the previous month.
50% of events here are shallow (under 70 km), 50% intermediate (70–300 km) and 0% deep-focus (over 300 km). A substantial share of intermediate-depth events points to a subducting slab beneath the region rather than purely crustal faulting.
By band, the catalogue holds 3 in the magnitude 4 range, 1 in the magnitude 5 range.
The month's largest events were M5.0 near Merizo Village, Guam on 28 April at 10 km; M4.8 near Merizo Village, Guam on 20 April at 114 km; M4.6 near Merizo Village, Guam on 10 April at 41 km.
That is close to the 4 events Guam averages per month across the 18 months on record.
Largest earthquakes in Guam, April 2025
4 events listed below, newest first. Times are UTC. Click any column header to re-sort.
| Time (UTC) | Mag | Location | Depth (km) | Country | Details |
|---|---|---|---|---|---|
| 5.0 | Merizo Village, Guam | 10.0 | Guam | View details View | |
| 4.8 | Merizo Village, Guam | 113.7 | Guam | View details View | |
| 4.6 | Merizo Village, Guam | 40.9 | Guam | View details View | |
| 4.5 | Yigo Village, Guam | 121.2 | Guam | View details View |
Frequently asked questions
How many earthquakes hit Guam in April 2025?
4 earthquakes were recorded in Guam during April 2025, of which 4 were magnitude 4 or above.
What was the biggest earthquake in Guam in April 2025?
A magnitude 5.0 event near Merizo Village, Guam on 28 April 2025.
Other months in Guam
Magnitudes for April 2025 reflect the current USGS review status and may have been revised since first publication. See our guides on the magnitude scale, focal depth and why earthquakes cluster.