4.6
Earthquake Details: 36 km S of Inarajan Village, Guam
Oct 18, 2026, 17:28:46
- Depth
- 44.44 km
- Felt reports
- No data
Source: USGSUpdated: Oct 23, 2026, 09:21 AM UTC
A magnitude 4.6 earthquake occurred on Oct 18, 2026 at 17:28:46. Epicenter: 36 km S of Inarajan Village, Guam. Reported depth: 44.44 km.
Tsunami information
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Time & depth
- Local time
- Oct 19, 2026, 03:28:46 GMT+10
- UTC
- Oct 18, 2026, 17:28:46 UTC
44.44 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
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Nearby major cities
Nearby earthquakes · 1
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- USGSM 4.6
us6000u4b2
- Depth:
- 44.44 km
- Time:
- Updated:
- Oct 23, 2026, 09:21 AM UTC
Technical Details
Depth44.44 km
Significance326
Latitude12.9409
Longitude144.7428
Event IDus6000u4b2
Magnitude4.6
Updated:Oct 23, 2026, 09:21:46 UTC
Regional Seismicity
External Resources
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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: Oct 23, 2026, 09:21 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under 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.
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.
- CENC / Wolfx — CENC earthquake parameters via Wolfx, an independent unofficial relay.
- GFZ / GEOFON — Locations, depths and magnitudes: GFZ/GEOFON using GEVN network data (CC BY 4.0).