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Indonesia · Sumatera Utara

M3.8 Earthquake near Siombob, Sumatera Utara (Indonesia)

UTC time: 2026-01-18 00:24:50 UTC Local time: —

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About this earthquake

A magnitude M3.8 earthquake was recorded near Siombob, Sumatera Utara (Indonesia) on January 18, 2026 at 00:24 UTC. At around 166 km, the focal depth places this among intermediate-depth events. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. Indonesia: over the past 24 hours, QuakeMap24 logged 31 earthquakes, the strongest at M4.3.

Details

ID
143f8464b12462eee34a22b9cf2c40ce2d6beffa
Magnitude
M3.8
Depth
166.0 km
UTC time
2026-01-18 00:24:50 UTC
Local time
—
Country
Indonesia
State
Sumatera Utara
City
Siombob
County
Kabupaten Padang Lawas Utara
Village
Siombob
Source
emsc
Coordinates
1.69000, 99.50000
Temperature
27.0°C

Depth profile

Depth profile Depth: 166 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 166 km
Intermediate
166 km
166 km — deeper than the regional average (43.4 km)
Regional average: 43.4 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Sorikmarapi
    Distance: 112 km ·Stratovolcano ·Elevation: 2'145 m ·Last eruption: 1986 ·Indonesia
  • Malintang
    Distance: 136 km ·Stratovolcano ·Elevation: 1'988 m ·Indonesia
  • Talakmau
    Distance: 187 km ·Complex ·Elevation: 2'911 m ·Indonesia
  • Singkut
    Distance: 204 km ·Caldera(s) ·Elevation: 2'181 m ·Last eruption: 1881 ·Indonesia
  • Sinabung Activity reported
    Distance: 206 km ·Stratovolcano ·Elevation: 2'460 m ·Last eruption: 2021 ·Indonesia
  • Tandikat-Singgalang
    Distance: 253 km ·Stratovolcano(es) ·Elevation: 2'879 m ·Last eruption: 1924 ·Indonesia

Sumatera Utara

Context for this earthquake

29 Sep 2025 – 29 Sep 2026 · M ≥ 3.0 · 90 Catalogue entries

Of 89 other entries for this area and period, 20 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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