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M6.4 Depth: 20.0 km

M6.4 Earthquake near Off West Coast of Northern Sumatra (Indonesia)

UTC time: 2025-11-27 04:56:25 UTC Local time: —

About this earthquake

A magnitude M6.4 earthquake was recorded near Off West Coast of Northern Sumatra (Indonesia) on November 27, 2025 at 04:56 UTC. The hypocenter lay relatively close to the surface at around 20 km, increasing how strongly it was felt. Events of this size are considered strong and can be dangerous in inhabited regions.

The data is provided by GFZ and cross-checked across seismological networks. Indonesia: 112 earthquakes were recorded in the past 24 hours, the strongest reaching M5.1.

Details

Magnitude
M6.4
Depth
20.0 km
UTC time
2025-11-27 04:56:25 UTC
Local time
—
Country
Indonesia
City
Aceh
Source
gfz
Coordinates
2.74000, 95.96000
Temperature
26.5°C

Map

Depth profile

Depth profile Depth: 20 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 20 km
Shallow
20 km
20 km — shallower than the regional average (49.7 km)
Regional average: 49.7 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

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation
Blang Pidie147.7 kmNE24'085
Subulussalam213.7 kmE105'553
Medan314.8 kmE2'486'283

GeoNames · CC BY 4.0

Volcanoes nearby

  • Peuet Sague
    Distance: 243 km ·Complex ·Elevation: 2'785 m ·Last eruption: 2000 ·Indonesia
  • Telong, Bur ni
    Distance: 245 km ·Stratovolcano ·Elevation: 2'617 m ·Last eruption: 1937 ·Indonesia
  • Sinabung
    Distance: 274 km ·Stratovolcano ·Elevation: 2'460 m ·Last eruption: 2021 ·Indonesia
  • Singkut
    Distance: 289 km ·Caldera(s) ·Elevation: 2'181 m ·Last eruption: 1881 ·Indonesia
  • Sorikmarapi
    Distance: 459 km ·Stratovolcano ·Elevation: 2'145 m ·Last eruption: 1986 ·Indonesia
  • Malintang
    Distance: 482 km ·Stratovolcano ·Elevation: 1'988 m ·Indonesia

Subsequent earthquakes nearby

Events recorded after this earthquake within 250 km. They are not automatically classified as aftershocks.

First 6 hours21
First 24 hours24
First 72 hours31
Strongest subsequent eventM6.6
M6.62025-11-27 04:56:27 UTC9.1 km45 km WNW of Sinabang, Indonesia M6.62025-11-27 04:56:27 UTC18.4 kmNorthern Sumatera, Indonesia [Sea: Indonesia] M4.42025-11-27 05:10:16 UTC20.0 km M3.82025-11-27 05:16:11 UTC9.9 km M3.52025-11-27 05:27:51 UTC8.0 km M4.82025-11-27 05:32:45 UTC198.1 km85 km W of Gunungsitoli, Indonesia M4.82025-11-27 05:32:45 UTC200.9 kmOff West Coast of Northern Sumatra M4.82025-11-27 05:32:45 UTC198.6 km M3.82025-11-27 05:45:22 UTC22.7 km M3.02025-11-27 05:48:57 UTC16.8 km M3.22025-11-27 06:01:08 UTC8.1 km M3.32025-11-27 06:06:16 UTC38.5 km

Historical context nearby

Comparison with recorded earthquakes before this event within 250 km.

Magnitude rank#1
Earlier events M≥468
Earlier events M≥515
Compared since2025-01-03

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M6.02025-08-23 12:24:55 UTC110.9 kmNorthern Sumatera, Indonesia [Sea: Indonesia] M6.02025-05-11 08:57:44 UTC165.9 kmNorthern Sumatra, Indonesia M5.82025-08-23 12:24:53 UTC107.6 km54 km SE of Sinabang, Indonesia M5.82025-05-11 08:57:44 UTC180.4 km M5.82025-04-07 19:49:20 UTC118.4 km64 km SE of Sinabang, Indonesia

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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