3.3
Earthquake Details: Halmahera, Indonesia
8/18/2026, 1:50:19 AM
A magnitude 3.3 earthquake occurred near Halmahera, Indonesia on 8/18/2026 at 1:50:19 AM. The seismic event was recorded at a depth of -123 km. No tsunami warning was issued.
No Tsunami WarningStatus: reviewedType: earthquake
Regional Seismicity
Technical Details
Depth-123 km
Significance0
Latitude1.7100
Longitude127.2200
Event IDemsc:20260818_0000057
Magnitude3.3
Updated:8/18/2026, 1:56:27 AM
External Resources
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Time & depth
- Local time
- 8/18/2026, 10:50:19 AM GMT+9
- UTC
- 8/18/2026, 1:50:19 AM UTC
-123 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M4.2Mindanao, PhilippinesBeforeM3.6Mindanao, PhilippinesBeforeM3.6north of Halmahera, IndonesiaBeforeM3.9Kepulauan Sula, IndonesiaBeforeM3.6Mindanao, PhilippinesBeforeM4.474 km ESE of Sarangani, PhilippinesBeforeM3.7Mindanao, PhilippinesBeforeM3.7Halmahera, IndonesiaBeforeM3.7Kepulauan Sangihe, IndonesiaBeforeM4.5Kepulauan Talaud, IndonesiaBeforeM3.8Mindanao, PhilippinesAfterM3.8north of Halmahera, 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, 01:56 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.