4.9
Earthquake Details: 28 km NE of Colonia, Micronesia
Aug 17, 2026, 18:51:11
A magnitude 4.9 earthquake occurred near 28 km NE of Colonia, Micronesia on Aug 17, 2026 at 18:51:11. The seismic event was recorded at a depth of 10 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth10 km
Significance370
Latitude9.7108
Longitude138.2886
Event IDusd0015efc
Magnitude4.9
Updated:Aug 17, 2026, 20:07:19 UTC
External Resources
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Time & depth
- Local time
- Aug 18, 2026, 04:51:11 GMT+10
- UTC
- Aug 17, 2026, 18:51:11 UTC
10 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
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Earthquake information is automatically aggregated from the official seismic agencies listed below. Preliminary measurements can change as agencies review an event; use local emergency authorities for safety decisions. Latest successful data update: Aug 17, 2026, 20:07 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under CC BY 4.0. CC BY 4.0
- JMA — Source: Japan Meteorological Agency (JMA).
- Geoscience Australia — Based on Australian Earthquakes data by Geoscience Australia. © Commonwealth of Australia. Licensed under CC BY 4.0; the section 5 disclaimer applies. CC BY 4.0
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.