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Indonesia

M3.5 Earthquake near NORTHERN SUMATRA, INDONESIA (Indonesia)

UTC time: 2025-09-21 01:31:00 UTC Local time: —

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About this earthquake

On September 21, 2025 at 01:31 UTC, a magnitude M3.5 earthquake occurred near NORTHERN SUMATRA, INDONESIA (Indonesia). At around 119 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by EMSC. Indonesia: 37 earthquakes were recorded in the past 24 hours, the strongest reaching M4.8.

Details

ID
087df9084b543cafebaecc9206a2fc41815ccb78
Magnitude
M3.5
Depth
119.0 km
UTC time
2025-09-21 01:31:00 UTC
Local time
—
Country
Indonesia
City
Sumatera Utara
Source
emsc
Coordinates
1.98000, 99.00000
Temperature
25.5°C

Depth profile

Depth profile Depth: 119 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 119 km
Intermediate
119 km
119 km — deeper than the regional average (43.3 km)
Regional average: 43.3 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

  • Sinabung Activity reported
    Distance: 149 km ·Stratovolcano ·Elevation: 2'460 m ·Last eruption: 2021 ·Indonesia
  • Singkut
    Distance: 150 km ·Caldera(s) ·Elevation: 2'181 m ·Last eruption: 1881 ·Indonesia
  • Sorikmarapi
    Distance: 156 km ·Stratovolcano ·Elevation: 2'145 m ·Last eruption: 1986 ·Indonesia
  • Malintang
    Distance: 183 km ·Stratovolcano ·Elevation: 1'988 m ·Indonesia
  • Talakmau
    Distance: 238 km ·Complex ·Elevation: 2'911 m ·Indonesia
  • Tandikat-Singgalang
    Distance: 306 km ·Stratovolcano(es) ·Elevation: 2'879 m ·Last eruption: 1924 ·Indonesia

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Silangit AirportIndonesia · DTB · WIMN
    31.1 kmStraight-line distance
  • Dr. Ferdinand Lumban Tobing AirportIndonesia · FLZ · WIMS
    48.7 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

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

Sumatera Utara

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 90 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historic earthquake map · Indonesia

Open history map
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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