A magnitude 6.9 earthquake was recorded 7 km NNW of Pematangsiantar, Indonesia on August 15, 2026 at 10:54 UTC, according to the United States Geological Survey (USGS).
Powerful M6.9 earthquake recorded near Pematangsiantar, Indonesia
USGS data place the earthquake at a depth of approximately 183.2 km, with epicentral coordinates near 3.018, 99.038.
Where was the earthquake located?
The reported location was 7 km NNW of Pematangsiantar, Indonesia. The earthquake parameters may be refined as additional seismic data are reviewed.
What we know so far
The available USGS data confirm the magnitude, location, depth and origin time of the earthquake. Information about its effects can change as additional reports become available.
The USGS event data showed 1 submitted felt reports when this draft was generated. This figure may change.
USGS alert information
The USGS event feed lists an alert level of GREEN. Review the latest event page before publication because impact assessments can change.
Earthquake details
- Magnitude: M6.9
- Location: 7 km NNW of Pematangsiantar, Indonesia
- Depth: 183.2 km
- Time: August 15, 2026 at 10:54 UTC
- Coordinates: 3.018, 99.038
- Magnitude type: mww
- USGS status: reviewed
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