3.1
Earthquake Details: 18 km from Tambolaka, East Nusa Tenggara, Indonesia
8/18/2026, 7:33:44 AM
A magnitude 3.1 earthquake occurred near 18 km from Tambolaka, East Nusa Tenggara, Indonesia on 8/18/2026 at 7:33:44 AM. The seismic event was recorded at a depth of -49 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Regional Seismicity
Technical Details
Depth-49 km
Significance0
Latitude-9.4900
Longitude119.3900
Event IDemsc:20260818_0000249
Magnitude3.1
Updated:8/18/2026, 7:42:29 AM
External Resources
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Time & depth
- Local time
- 8/18/2026, 3:33:44 PM GMT+8
- UTC
- 8/18/2026, 7:33:44 AM UTC
-49 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M5.171 km NNE of Ruteng, IndonesiaBeforeM4.442 km NNW of Ruteng, IndonesiaBeforeM4.0Flores Region, IndonesiaBeforeM4.653 km N of Ruteng, IndonesiaBeforeM4.3Flores Region, IndonesiaBeforeM4.2Flores Region, IndonesiaBeforeM4.965 km NNW of Ende, IndonesiaBeforeM4.4Flores Region, IndonesiaBeforeM5.139 km NNW of Ruteng, IndonesiaBeforeM4.3Flores Region, IndonesiaBeforeM4.3Flores SeaBeforeM4.1Flores Region, IndonesiaBefore
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: Aug 18, 2026, 07:42 AM 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.