3.4
Earthquake Details: Sumbawa region, Indonesia
Oct 30, 2026, 00:32:36
- Depth
- 13 km
- Felt reports
- No data
Source: EMSCUpdated: Oct 30, 2026, 12:42 AM UTC
A magnitude 3.4 earthquake occurred on Oct 30, 2026 at 00:32:36. Epicenter: Sumbawa region, Indonesia. Reported depth: 13 km.
Tsunami information
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Time & depth
- Local time
- Oct 30, 2026, 08:32:36 GMT+8
- UTC
- Oct 30, 2026, 00:32:36 UTC
13 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
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Nearby major cities
Nearby earthquakes · 12
M4.2Flores region, IndonesiaBeforeM3.4Sumbawa region, IndonesiaBeforeM3.4Lombok region, IndonesiaBeforeM3.7Flores region, IndonesiaBeforeM3.3Flores SeaBeforeM4.426 km SW of Tambolaka, IndonesiaBeforeM3.3Flores SeaAfterM4.4Sumbawa region, IndonesiaAfterM3.8Flores region, IndonesiaAfterM3.5Flores region, IndonesiaAfterM3.4Sumbawa region, IndonesiaAfterM3.6Flores region, IndonesiaAfter
Agency measurements
Agencies may use different observations and magnitude scales, and initial estimates can change.
- EMSCM 3.4
emsc:20261030_0000005
- Depth:
- 13 km
- Time:
- Updated:
- Oct 30, 2026, 12:42 AM UTC
Technical Details
Depth13 km
SignificanceNo data
Latitude-9.4700
Longitude117.9400
Event IDemsc:20261030_0000005
Magnitude3.4
Updated:Oct 30, 2026, 00:42:19 UTC
Regional Seismicity
External Resources
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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: Oct 30, 2026, 00:42 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under 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.
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.
- CENC / Wolfx — CENC earthquake parameters via Wolfx, an independent unofficial relay.
- GFZ / GEOFON — Locations, depths and magnitudes: GFZ/GEOFON using GEVN network data (CC BY 4.0).