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Indonesia · North Sumatra

M6.9 Earthquake near Rimbun, North Sumatra (Indonesia)

UTC time: 2026-08-15 10:54:52 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded Content updated:

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

Map

M6.9 Earthquake near Rimbun, North Sumatra (Indonesia) · 2026-08-15 — Map showing the location of the epicenter
M6.9 Earthquake near Rimbun, North Sumatra (Indonesia) · 2026-08-15 — Map showing the location of the epicenter

About this earthquake

On August 15, 2026 at 10:54 UTC, a magnitude M6.9 earthquake occurred near Rimbun, North Sumatra (Indonesia). At around 173 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude can cause significant damage in populated areas.

The event was recorded by USGS. Indonesia: over the past 24 hours, QuakeMap24 logged 56 earthquakes, the strongest at M4.8.

Details

ID
48503955c632235aa9a59d969965b21e245d1952
Magnitude
M6.9
Depth
172.5 km
UTC time
2026-08-15 10:54:52 UTC
Local time
—
Country
Indonesia
State
North Sumatra
City
Rimbun
County
Kabupaten Serdang Bedagai
Village
Rimbun
Source
usgs
Coordinates
3.08560, 99.01500
Temperature
24.6°C

Depth profile

Depth profile Depth: 172.5 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 172.5 km
Intermediate
172.5 km
172.5 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

Felt reports

86felt reports at EMSC / LastQuake

Voluntary reports of feeling this earthquake. The count is not an intensity measurement and is not added to USGS DYFI reports.

Data updated: Aug 16, 2026, 12:05 AM UTC · Last checked: Sep 15, 2026, 12:07 AM UTC

Source: EMSC / LastQuake

Estimated impact

Green No or minimal impact expected.
Estimated population exposed
IV 4'788'623
V 11'631'667
43 Felt reports · max reported intensity 4.3

Ground shaking

V
Moderate · Intensity (MMI) V
Felt by all, slight damage possible.

Tectonic context

Located on the Sunda Plate.
Near the boundary Sunda ↔ Burma · about 257 km away

Nearby population centers

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

PlaceDistanceDirectionPopulation
Pematangsiantar15.2 kmSE279'198
Medan67.5 kmNW2'486'283

GeoNames · CC BY 4.0

Volcanoes nearby

  • Singkut
    Distance: 58 km ·Caldera(s) ·Elevation: 2'181 m ·Last eruption: 1881 ·Indonesia
  • Sinabung Activity reported
    Distance: 70 km ·Stratovolcano ·Elevation: 2'460 m ·Last eruption: 2021 ·Indonesia
  • Sorikmarapi
    Distance: 273 km ·Stratovolcano ·Elevation: 2'145 m ·Last eruption: 1986 ·Indonesia
  • Malintang
    Distance: 299 km ·Stratovolcano ·Elevation: 1'988 m ·Indonesia
  • Telong, Bur ni
    Distance: 307 km ·Stratovolcano ·Elevation: 2'617 m ·Last eruption: 1937 ·Indonesia
  • Talakmau
    Distance: 351 km ·Complex ·Elevation: 2'911 m ·Indonesia

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Kualanamu International AirportIndonesia · KNO · WIMM
    63.5 kmStraight-line distance
  • Silangit AirportIndonesia · DTB · WIMN
    91.9 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 250 km. They are not automatically classified as aftershocks.

First 6 hours0
First 24 hours1
First 72 hours4
Strongest subsequent eventM5.3
M3.12026-08-16 01:21:58 UTC211.4 kmPining M2.72026-08-16 13:20:57 UTC29.9 kmTapak Mariah M2.82026-08-17 17:20:35 UTC213.3 kmDabun Gelang M2.62026-08-18 08:33:16 UTC214.6 kmRikit Gaib M2.92026-08-18 18:32:46 UTC144.7 kmTrumon M2.62026-08-21 14:42:21 UTC135.2 kmSibaganding M2.62026-08-21 21:05:24 UTC68.3 kmBoho M2.52026-08-23 06:46:15 UTC129.4 kmSemadamawal M3.32026-08-24 00:01:06 UTC103.3 kmTapian Nauli M3.02026-08-24 20:00:24 UTC167.9 kmAceh M3.82026-08-25 00:27:20 UTC60.6 kmKubusimbelang M2.82026-08-25 01:02:27 UTC207.7 kmMandailing Natal

Comparison of seismic sources

6 sources currently report magnitudes from M5.9 to M6.9.

Measurements can differ because agencies use different networks and calculation methods. Values may be revised.

SourceMagnitudeDepthPosition difference
INGVM6.4160.5 km12.5 km
SCEDCM6.9172.5 km0.0 km
EMSCM6.4173.0 km15.3 km
GFZM6.4158.0 km10.6 km
RESIFM5.9165.4 km16.0 km
USGSM6.9172.5 km0.0 km

North Sumatra

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 66 Catalogue entries

Of 65 other entries for this area and period, 0 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historical context nearby

Comparison with recorded earthquakes before this event within 250 km.

Magnitude rank#1
Earlier events M≥464
Earlier events M≥514
Compared since2025-01-03

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

Strongest earlier events

M6.02025-05-11 08:57:44 UTC230.6 kmNorthern Sumatra, Indonesia M6.02025-05-11 08:57:43 UTC231.3 km33 km ENE of Blangpidie, Indonesia M5.82025-05-11 08:57:41 UTC193.5 kmPungke Jaya M5.82025-05-11 08:57:44 UTC231.2 kmNORTHERN SUMATRA, INDONESIA M5.82025-01-31 11:03:42 UTC220.2 km66 km SSE of Blangpidie, 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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