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M5.5 Earthquake near Northern Sumatra, Indonesia

UTC time: 2026-04-18 20:06:50 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Magnitude
M5.5
Depth
10.0 km
Source
USP

Northern Sumatra, Indonesia

Map

M5.5 Earthquake near Northern Sumatra, Indonesia · 2026-04-18 — Map showing the location of the epicenter
M5.5 Earthquake near Northern Sumatra, Indonesia · 2026-04-18 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.5 earthquake was recorded near Northern Sumatra, Indonesia on April 18, 2026 at 20:06 UTC. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size can cause damage near the epicenter.

The data is provided by USP and cross-checked across seismological networks.

Details

ID
4cc3c4c80697e58e9308b485b67bcb63d102d00e
Magnitude
M5.5
Depth
10.0 km
UTC time
2026-04-18 20:06:50 UTC
Local time
—
Country
—
Source
usp
Coordinates
1.23472, 97.22729

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
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
Lahewa18.9 kmN24'485
Gunungsitoli43.4 kmE136'707
Medan306.2 kmNE2'486'283

GeoNames · CC BY 4.0

Volcanoes nearby

  • Sinabung Activity reported
    Distance: 251 km ·Stratovolcano ·Elevation: 2'460 m ·Last eruption: 2021 ·Indonesia
  • Sorikmarapi
    Distance: 264 km ·Stratovolcano ·Elevation: 2'145 m ·Last eruption: 1986 ·Indonesia
  • Singkut
    Distance: 265 km ·Caldera(s) ·Elevation: 2'181 m ·Last eruption: 1881 ·Indonesia
  • Malintang
    Distance: 284 km ·Stratovolcano ·Elevation: 1'988 m ·Indonesia
  • Talakmau
    Distance: 332 km ·Complex ·Elevation: 2'911 m ·Indonesia
  • Tandikat-Singgalang
    Distance: 391 km ·Stratovolcano(es) ·Elevation: 2'879 m ·Last eruption: 1924 ·Indonesia

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Binaka AirportIndonesia · GNS · WIMB
    53.7 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

Subsequent earthquakes nearby

Events recorded after this earthquake within 150 km. They are not automatically classified as aftershocks.

First 6 hours13
First 24 hours14
First 72 hours17
Strongest subsequent eventM5.9
M5.72026-04-18 20:06:51 UTC3.1 kmLauru I Afulu M5.42026-04-18 20:06:51 UTC14.0 kmFadoro Hilihambawa M5.62026-04-18 20:06:51 UTC5.6 kmAfulu M5.92026-04-18 20:06:53 UTC14.8 kmLukhulase M3.72026-04-18 20:25:24 UTC25.9 kmNias Utara M2.62026-04-18 20:32:16 UTC22.9 kmNias Utara M3.62026-04-18 20:50:57 UTC26.1 kmNias Utara M2.52026-04-18 21:27:59 UTC11.7 kmNIAS REGION, INDONESIA M3.02026-04-18 21:33:38 UTC33.2 kmNIAS REGION, INDONESIA M2.72026-04-18 23:02:51 UTC22.8 kmNIAS REGION, INDONESIA M4.32026-04-19 00:01:50 UTC27.5 km70 km W of Gunungsitoli, Indonesia M4.22026-04-19 00:01:50 UTC19.7 kmNIAS REGION, INDONESIA

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

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#8
Earlier events M≥445
Earlier events M≥513
Compared since2025-01-03

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

Strongest earlier events

M6.82026-03-03 04:56:45 UTC104.9 kmAceh M6.22025-08-23 12:24:52 UTC113.7 km54 km SE of Sinabang, Indonesia M6.12026-03-03 04:56:45 UTC114.2 kmTeupah Selatan M6.02025-08-23 12:24:55 UTC114.6 kmNorthern Sumatera, Indonesia [Sea: Indonesia] M5.82025-08-23 12:24:53 UTC113.7 km54 km SE of Sinabang, Indonesia

Stats (last 24h)

Global (24h)
576
Country (24h)
—
—
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