4.0
Earthquake Details: Halmahera, Indonesia
Oct 9, 2026, 23:55:27
A magnitude 4.0 earthquake occurred near Halmahera, Indonesia on Oct 9, 2026 at 23:55:27. The seismic event was recorded at a depth of -18 km. No tsunami warning was issued.
No Tsunami WarningStatus: ReviewedType: Earthquake
Regional Seismicity
Technical Details
Depth-18 km
Significance0
Latitude1.8900
Longitude127.0300
Event IDemsc:20261009_0000372
Magnitude4.0
Updated:Oct 10, 2026, 00:00:32 UTC
External Resources
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Time & depth
- Local time
- Oct 10, 2026, 08:55:27 GMT+9
- UTC
- Oct 9, 2026, 23:55:27 UTC
-18 km · Shallow-focus
Less than 70 km deep. Shaking is often stronger near the epicentre.
Nearby major cities
Nearby event sequence · 12
M3.7Kepulauan Talaud, IndonesiaBeforeM4.722 km WNW of Manado, IndonesiaBeforeM4.734 km E of Sarangani, PhilippinesBeforeM3.6Molucca SeaBeforeM3.9Halmahera, IndonesiaBeforeM5.517 km SW of Burias, PhilippinesBeforeM4.1Mindanao, PhilippinesBeforeM4.2Mindanao, PhilippinesBeforeM3.8Minahasa, Sulawesi, IndonesiaBeforeM5.2117 km SE of Bitung, IndonesiaBeforeM3.6Kepulauan Sangihe, IndonesiaBeforeM5.1133 km WNW of Ternate, IndonesiaAfter
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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 10, 2026, 00:00 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.