4.0
Earthquake Details: 38 km from Tambolaka, East Nusa Tenggara, Indonesia
Oct 4, 2026, 01:32:41
A magnitude 4.0 earthquake occurred near 38 km from Tambolaka, East Nusa Tenggara, Indonesia on Oct 4, 2026 at 01:32:41. The seismic event was recorded at a depth of -18 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth-18 km
Significance0
Latitude-9.6600
Longitude118.9800
Event IDemsc:20261004_0000027
Magnitude4.0
Updated:Oct 4, 2026, 01:42:38 UTC
External Resources
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Time & depth
- Local time
- Oct 4, 2026, 09:32:41 GMT+8
- UTC
- Oct 4, 2026, 01:32:41 UTC
-18 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M5.0176 km NNE of Ruteng, IndonesiaBeforeM4.0Flores region, IndonesiaBeforeM4.683 km NE of Ruteng, IndonesiaBeforeM4.3Bali region, IndonesiaBeforeM4.1Flores SeaBeforeM4.5101 km NE of Ruteng, IndonesiaBeforeM4.2Flores SeaBeforeM4.0Flores SeaBeforeM4.1Flores SeaBeforeM3.9Flores SeaBeforeM3.9Flores region, IndonesiaBeforeM5.939 km WSW of Tambolaka, 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, 01:42 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.