3.5
Earthquake Details: 66 km from Tambolaka, East Nusa Tenggara, Indonesia
Sep 20, 2026, 08:52:53
A magnitude 3.5 earthquake occurred near 66 km from Tambolaka, East Nusa Tenggara, Indonesia on Sep 20, 2026 at 08:52:53. The seismic event was recorded at a depth of -55 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth-55 km
Significance0
Latitude-9.3000
Longitude118.6500
Event IDemsc:20260920_0000111
Magnitude3.5
Updated:Sep 20, 2026, 08:56:46 UTC
External Resources
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Time & depth
- Local time
- Sep 20, 2026, 16:52:53 GMT+8
- UTC
- Sep 20, 2026, 08:52:53 UTC
-55 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M3.9Flores region, IndonesiaBeforeM5.167 km NE of Ruteng, IndonesiaBeforeM3.6Flores region, IndonesiaBeforeM3.4Flores region, IndonesiaAfterM3.6Flores region, IndonesiaAfterM3.7Flores region, IndonesiaAfterM4.469 km SSW of Lembar, IndonesiaAfterM5.535 km NNE of Ruteng, IndonesiaAfterM3.4Flores region, IndonesiaAfterM3.6Flores region, IndonesiaAfterM3.9Flores region, IndonesiaAfterM3.7Flores region, 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 20, 2026, 08:56 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.