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Indonesia

M3.8 Earthquake near KALIMANTAN, INDONESIA (Indonesia)

UTC time: 2025-10-20 18:21:00 UTC Local time: —

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About this earthquake

On October 20, 2025 at 18:21 UTC, a magnitude M3.8 earthquake occurred near KALIMANTAN, INDONESIA (Indonesia). The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. Indonesia: over the past 24 hours, QuakeMap24 logged 44 earthquakes, the strongest at M5.0.

Details

ID
80bf75eabfb590f9f5c0ef1a1d9a8e611cabf02b
Magnitude
M3.8
Depth
10.0 km
UTC time
2025-10-20 18:21:00 UTC
Local time
—
Country
Indonesia
City
Kalimantan Timur
Source
emsc
Coordinates
0.69000, 118.66000
Temperature
28.4°C

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 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

Volcanoes nearby

  • Colo
    Distance: 340 km ·Stratovolcano ·Elevation: 404 m ·Last eruption: 1983 ·Indonesia

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, 2,438 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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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Indonesia

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

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