4.5

Earthquake Details: 35 km E of Poso, Indonesia

8/17/2026, 1:01:29 AM

A magnitude 4.5 earthquake occurred near 35 km E of Poso, Indonesia on 8/17/2026 at 1:01:29 AM. The seismic event was recorded at a depth of 10 km. No tsunami warning was issued.

No Tsunami WarningStatus: reviewedType: earthquake

Regional Seismicity

View recent seismic activity near this event:

IndonesiaCentral SulawesiPoso (Nearest City)

Technical Details

Depth10 km
Significance312
Latitude-1.3664
Longitude121.0709
Event IDusd0015eb0
Magnitude4.5
Updated:8/17/2026, 1:37:34 AM

External Resources

View on USGS Official Site

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Time & depth

Local time
8/17/2026, 9:01:29 AM GMT+8
UTC
8/17/2026, 1:01:29 AM UTC
10 km · Shallow-focus

Less than 70 km deep. Shaking is often stronger near the epicentre.

Nearby major cities

Poso
36 km W
Palu
143 km W
Masamba
156 km SW
Bungku
165 km SE
Nearby event sequence · 10
M2.7Minahasa, Sulawesi, IndonesiaBeforeM3.0Sulawesi, IndonesiaBeforeM2.7Sulawesi, IndonesiaBeforeM4.6122 km NW of Luwuk, IndonesiaBeforeM5.7125 km NNE of Palu, IndonesiaBeforeM2.6Sulawesi, IndonesiaBeforeM3.3Sulawesi, IndonesiaBeforeM3.0Sulawesi, IndonesiaBeforeM3.0Minahasa, Sulawesi, IndonesiaBeforeM2.6Minahasa, Sulawesi, 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 17, 2026, 01:37 AM UTC. Data sources: USGS / EMSC / JMA / Geoscience Australia / GeoNet.