3.9
Earthquake Details: 77 km from Gunungsitoli, North Sumatra, Indonesia
Oct 7, 2026, 21:18:29
A magnitude 3.9 earthquake occurred near 77 km from Gunungsitoli, North Sumatra, Indonesia on Oct 7, 2026 at 21:18:29. The seismic event was recorded at a depth of -13 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth-13 km
Significance0
Latitude1.3900
Longitude96.9300
Event IDemsc:20261007_0000324
Magnitude3.9
Updated:Oct 7, 2026, 21:28:24 UTC
External Resources
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Time & depth
- Local time
- Oct 8, 2026, 04:18:29 GMT+7
- UTC
- Oct 7, 2026, 21:18:29 UTC
-13 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 5
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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 7, 2026, 21:28 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.