3.8
Earthquake Details: South Of Sumba, Indonesia
Oct 4, 2026, 03:52:26
A magnitude 3.8 earthquake occurred near South Of Sumba, Indonesia on Oct 4, 2026 at 03:52:26. The seismic event was recorded at a depth of -85 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth-85 km
Significance0
Latitude-11.1100
Longitude119.1400
Event IDemsc:20261004_0000061
Magnitude3.8
Updated:Oct 4, 2026, 03:56:33 UTC
External Resources
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Time & depth
- Local time
- Oct 4, 2026, 11:52:26 GMT+8
- UTC
- Oct 4, 2026, 03:52:26 UTC
-85 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M4.683 km NE of Ruteng, IndonesiaBeforeM4.1Flores SeaBeforeM3.9Flores SeaBeforeM4.5101 km NE of Ruteng, IndonesiaBeforeM4.2Flores SeaBeforeM4.0Flores SeaBeforeM4.1Flores SeaBeforeM3.9Flores SeaBeforeM3.9Flores SeaBeforeM3.9Flores region, IndonesiaBeforeM5.939 km WSW of Tambolaka, IndonesiaBeforeM4.0Sumbawa region, IndonesiaBefore
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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 4, 2026, 03:56 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.