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Indonesia · North Kalimantan

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

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

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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: 44 earthquakes were recorded in the past 24 hours, the strongest reaching M5.0.

Details

ID
9ce512ec7db01a3364a52a67330e374d0087d58f
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

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 (43.4 km)
Regional average: 43.4 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

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Tanjung Harapan AirportIndonesia · TJS · WAGD
    35.3 kmStraight-line distance
  • Kalimarau AirportIndonesia · BEJ · WAQT
    44.9 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-25

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Indonesia

Context for this earthquake

25 Sep 2025 – 25 Sep 2026 · M ≥ 3.0 · 9,212 Catalogue entries

Of 9,211 other entries for this area and period, 6,989 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · Indonesia

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Country statistics · Indonesia

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

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