USGS · October 29, 2026
Magnitude 4.8 earthquake near Santa Rita Village, Guam
A magnitude 4.8 earthquake was recorded near 36 km SSW of Merizo Village, Guam on Oct 29, 2026, 12:18 PM (local time at the epicentre — UTC+10), at a depth of about 70.2 km, according to USGS.
USGSFelt by 9 people · community intensity IV (light)Intermediate (70–300 km)Reviewed by a seismologist
Updated 2026-10-29 04:20 UTC
The full record
- Magnitude
- M 4.8 · body-wave magnitude
- Location
- 36 km SSW of Merizo Village, Guam
- Local time at the epicentre
- Oct 29, 2026, 12:18 PM — UTC+10
- Time (UTC)
- 2026-10-29 02:18 UTC
- Depth
- 70.2 km · Intermediate (70–300 km)
- Coordinates
- 12.948, 144.582
- Felt reports
- Felt by 9 people · community intensity IV (light)
- Tsunami
- No tsunami evaluation was flagged for this earthquake.
- Significance
- 358 / 1000 · notable event
- Solution quality
- 29 seismic stations used · 83° azimuthal gap (well-constrained epicentre)
- Review status
- Reviewed by a seismologist
- Catalog
- USGS
Epicentre and nearby recent earthquakes
The highlighted circle is this earthquake. Smaller circles are other events recorded nearby in the last 30 days.
What the shaking was like
At this depth the energy spreads out before it reaches the surface, so shaking is usually weaker but felt over a wider area.
People who reported it described intensity IV (Light): Felt indoors by many; dishes and windows rattle and parked cars rock.
Felt it yourself? USGS collects first-hand reports through “Did You Feel It?”, and those reports are what produce the community intensity above.
Who lives nearby
About 0 people live in towns within 30 km of the epicentre, and 198,562 within 100 km. Distances are from the epicentre to the town centre.
| Place | Distance | Population |
|---|---|---|
| Merizo Village | 36.6 km NNE | 2,152 |
| Umatac Village | 40.0 km NNE | 903 |
| Inarajan Village | 40.5 km NNE | 3,052 |
| Agat Village | 49.1 km N | 3,292 |
| Talofofo Village | 49.2 km NNE | 3,215 |
| Santa Rita Village | 49.7 km NNE | 7,500 |
| Apra Harbor | 54.0 km N | 2,930 |
| Yona Village | 55.6 km NNE | 6,484 |
| Piti Village | 58.5 km NNE | 1,666 |
| Chalan Pago-Ordot Village | 58.8 km NNE | 6,822 |
Earthquake history in this area
12 earthquakes of magnitude 4.5+ have been recorded within 200 km of this epicentre since 1960.
Other earthquakes near this epicentre
2 other events within 100 km in the last 30 days.
Be first to know about the next earthquake near 36 km SSW of Merizo Village, Guam
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Frequently asked questions
How strong was the 36 km SSW of Merizo Village, Guam earthquake?
Magnitude 4.8 (body-wave magnitude), at a depth of 70.2 km. At this depth the energy spreads out before it reaches the surface, so shaking is usually weaker but felt over a wider area.
Exactly when did it happen?
Oct 29, 2026, 12:18 PM (local time at the epicentre — UTC+10). In universal time: 2026-10-29 02:18 UTC.
Was it felt?
Felt by 9 people · community intensity IV (light). Felt indoors by many; dishes and windows rattle and parked cars rock.
Was there a tsunami warning?
No tsunami evaluation was flagged for this earthquake.
Which towns are closest to the epicentre?
The closest is Merizo Village, 36.6 km NNE (population 2,152).
Are earthquakes normal in this area?
Yes. The largest earthquake recorded within 200 km since 1960 was magnitude 7.8 (32 km S of Inarajan Village, Guam, 1993), and 2 further events were recorded within 100 km in the last 30 days.
How do I get alerts for the next earthquake here?
Install the free SeismoWatch Android app, draw a box over this area, set a minimum magnitude, and turn alerts on.
About this page
Event data: U.S. Geological Survey (USGS), the European-Mediterranean Seismological Centre (EMSC), in Venezuela FUNVISIS and in Brazil the RSBR through the Centro de Sismologia da USP. Populated places and time zones: GeoNames (CC BY 4.0). Preliminary solutions are revised as more observations arrive.