3.8
Earthquake Details: southern Sumatra, Indonesia
Sep 21, 2026, 11:12:20
A magnitude 3.8 earthquake occurred near southern Sumatra, Indonesia on Sep 21, 2026 at 11:12:20. 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
Depth-10 km
Significance0
Latitude-0.5100
Longitude99.3500
Event IDemsc:20260921_0000177
Magnitude3.8
Updated:Sep 21, 2026, 11:14:37 UTC
External Resources
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Time & depth
- Local time
- Sep 21, 2026, 18:12:20 GMT+7
- UTC
- Sep 21, 2026, 11:12:20 UTC
-10 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 9
M3.2northern Sumatra, IndonesiaBeforeM3.0northern Sumatra, IndonesiaBeforeM4.4southern Sumatra, IndonesiaAfterM3.4Kep. Mentawai region, IndonesiaAfterM3.1Nias region, IndonesiaAfterM4.3northern Sumatra, IndonesiaAfterM3.7Kepulauan Batu, IndonesiaAfterM2.6southern Sumatra, IndonesiaAfterM2.8northern Sumatra, IndonesiaAfter
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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: Sep 21, 2026, 11:14 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.