3.9
Earthquake Details: Kepulauan Barat Daya, Indonesia
8/18/2026, 11:11:02 PM
A magnitude 3.9 earthquake occurred near Kepulauan Barat Daya, Indonesia on 8/18/2026 at 11:11:02 PM. The seismic event was recorded at a depth of -163 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Regional Seismicity
Technical Details
Depth-163 km
Significance0
Latitude-7.8200
Longitude127.4700
Event IDemsc:20260818_0000819
Magnitude3.9
Updated:8/18/2026, 11:21:49 PM
External Resources
View on EMSC Official SiteLoading map...
Time & depth
- Local time
- 8/19/2026, 8:11:02 AM GMT+9
- UTC
- 8/18/2026, 11:11:02 PM UTC
-163 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M3.7Timor Region, IndonesiaBeforeM3.0Banda SeaBeforeM3.5Timor-Leste regionBeforeM4.5Kepulauan Babar, IndonesiaBeforeM4.0Banda SeaBeforeM3.0Kepulauan Alor, IndonesiaBeforeM2.8Banda SeaBeforeM2.8Kepulauan Alor, IndonesiaBeforeM4.3241 km S of Sanana, IndonesiaBeforeM2.8Seram, IndonesiaBeforeM3.0Buru, IndonesiaBeforeM3.9Timor Region, IndonesiaAfter
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, 11:21 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.