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Indonesia · North Sumatra

M3.7 Earthquake near Lambak, North Sumatra (Indonesia)

UTC time: 2026-07-17 00:19:46 UTC Local time: —

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About this earthquake

A magnitude M3.7 earthquake was recorded near Lambak, North Sumatra (Indonesia) on July 17, 2026 at 00:19 UTC. With a focal depth of about 7 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are often felt but rarely cause damage.

The data is provided by EMSC and cross-checked across seismological networks. Indonesia: over the past 24 hours, QuakeMap24 logged 38 earthquakes, the strongest at M4.8.

Details

ID
fcef040dad1a8fac1981f652db5ffb13548b3653
Magnitude
M3.7
Depth
7.0 km
UTC time
2026-07-17 00:19:46 UTC
Local time
—
Country
Indonesia
State
North Sumatra
City
Lambak
County
South Nias
Village
Lambak
Source
emsc
Coordinates
0.20000, 98.61000
Temperature
25.4°C

Depth profile

Depth profile Depth: 7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 7 km
Shallow
7 km
7 km — shallower than the regional average (43.4 km)
Regional average: 43.4 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

Volcanoes nearby

  • Sorikmarapi
    Distance: 117 km ·Stratovolcano ·Elevation: 2'145 m ·Last eruption: 1986 ·Indonesia
  • Malintang
    Distance: 121 km ·Stratovolcano ·Elevation: 1'988 m ·Indonesia
  • Talakmau
    Distance: 153 km ·Complex ·Elevation: 2'911 m ·Indonesia
  • Tandikat-Singgalang
    Distance: 203 km ·Stratovolcano(es) ·Elevation: 2'879 m ·Last eruption: 1924 ·Indonesia
  • Marapi
    Distance: 217 km ·Complex ·Elevation: 2'885 m ·Last eruption: 2026 ·Indonesia
  • Talang
    Distance: 265 km ·Stratovolcano ·Elevation: 2'575 m ·Last eruption: 2007 ·Indonesia

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Lasondre AirportIndonesia · WIMO
    42.1 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-26

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

North Sumatra

Context for this earthquake

26 Sep 2025 – 26 Sep 2026 · M ≥ 3.0 · 64 Catalogue entries

Of 63 other entries for this area and period, 11 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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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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