3.5
Earthquake Details: 23 km from Sumbawa Besar, West Nusa Tenggara, Indonesia
7/31/2026, 10:14:54 PM
A magnitude 3.5 earthquake occurred near 23 km from Sumbawa Besar, West Nusa Tenggara, Indonesia on 7/31/2026 at 10:14:54 PM. The seismic event was recorded at a depth of -166 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Regional Seismicity
View recent seismic activity near this event:
IndonesiaWest Nusa TenggaraSumbawa Besar (Nearest City)Technical Details
Depth-166 km
Significance
Latitude-8.4400
Longitude117.6200
Event IDemsc:20260731_0000339
Magnitude3.5
Updated:7/31/2026, 10:21:32 PM
External Resources
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Time & depth
- Local time
- 8/1/2026, 6:14:54 AM GMT+8
- UTC
- 7/31/2026, 10:14:54 PM UTC
-166 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
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: Jul 31, 2026, 10:21 PM 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.