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M3.1 Depth: 11.0 km

M3.1 Earthquake near Bulungan, North Kalimantan (Indonesia)

UTC time: 2026-07-25 04:29:44 UTC Local time: —

About this earthquake

On July 25, 2026 at 04:29 UTC, a magnitude M3.1 earthquake occurred near Bulungan, North Kalimantan (Indonesia). The hypocenter lay relatively close to the surface at around 11 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. Indonesia: 73 earthquakes were recorded in the past 24 hours, the strongest reaching M5.4.

Details

Magnitude
M3.1
Depth
11.0 km
UTC time
2026-07-25 04:29:44 UTC
Local time
—
Country
Indonesia
State
North Kalimantan
City
Bulungan
County
Bulungan
Source
emsc
Coordinates
2.53000, 117.30000
Temperature
29.2°C

Map

Depth profile

Depth profile Depth: 11 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 11 km
Shallow
11 km
11 km — shallower than the regional average (49.5 km)
Regional average: 49.5 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Historic earthquake map · Indonesia

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View earthquake KPIs, strongest and latest events, and averages for this country.

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