3.3
Earthquake Details: Sumba Region, Indonesia
8/17/2026, 6:30:36 AM
A magnitude 3.3 earthquake occurred near Sumba Region, Indonesia on 8/17/2026 at 6:30:36 AM. The seismic event was recorded at a depth of -75 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Regional Seismicity
Technical Details
Depth-75 km
Significance0
Latitude-10.4900
Longitude120.1200
Event IDemsc:20260817_0000211
Magnitude3.3
Updated:8/17/2026, 6:35:30 AM
External Resources
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Time & depth
- Local time
- 8/17/2026, 2:30:36 PM GMT+8
- UTC
- 8/17/2026, 6:30:36 AM UTC
-75 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M7.768 km NNW of Ende, IndonesiaBeforeM5.936 km NE of Labuan Bajo, IndonesiaBeforeM5.561 km ENE of Ruteng, IndonesiaBeforeM5.661 km NNW of Ende, IndonesiaBeforeM6.158 km N of Ende, IndonesiaBeforeM5.549 km NE of Labuan Bajo, IndonesiaBeforeM5.349 km NE of Labuan Bajo, IndonesiaBeforeM5.149 km N of Ruteng, IndonesiaBeforeM5.065 km NNW of Ende, IndonesiaBeforeM5.171 km NNW of Ende, IndonesiaBeforeM5.171 km NNE of Ruteng, IndonesiaBeforeM4.969 km NNW of Ende, 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 17, 2026, 06:35 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.