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Indonesia · North Sumatra

M2.5 Earthquake near Janji Martahan, North Sumatra (Indonesia)

UTC time: 2026-07-03 07:04:05 UTC Local time: —

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About this earthquake

A magnitude M2.5 earthquake was recorded near Janji Martahan, North Sumatra (Indonesia) on July 3, 2026 at 07:04 UTC. The hypocenter lay relatively close to the surface at around 3 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The data is provided by EMSC and cross-checked across seismological networks. Indonesia: 22 earthquakes were recorded in the past 24 hours, the strongest reaching M4.8.

Details

ID
c5e3548c0ef20089161f5766d234207e0d7b393b
Magnitude
M2.5
Depth
3.0 km
UTC time
2026-07-03 07:04:05 UTC
Local time
—
Country
Indonesia
State
North Sumatra
City
Janji Martahan
County
Samosir
Village
Janji Martahan
Source
emsc
Coordinates
2.52000, 98.68000
Temperature
21.1°C

Depth profile

Depth profile Depth: 3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 3 km
Shallow
3 km
3 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

  • Sinabung Activity reported
    Distance: 79 km ·Stratovolcano ·Elevation: 2'460 m ·Last eruption: 2021 ·Indonesia
  • Singkut
    Distance: 82 km ·Caldera(s) ·Elevation: 2'181 m ·Last eruption: 1881 ·Indonesia
  • Sorikmarapi
    Distance: 226 km ·Stratovolcano ·Elevation: 2'145 m ·Last eruption: 1986 ·Indonesia
  • Malintang
    Distance: 252 km ·Stratovolcano ·Elevation: 1'988 m ·Indonesia
  • Talakmau
    Distance: 308 km ·Complex ·Elevation: 2'911 m ·Indonesia
  • Telong, Bur ni
    Distance: 324 km ·Stratovolcano ·Elevation: 2'617 m ·Last eruption: 1937 ·Indonesia

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Silangit AirportIndonesia · DTB · WIMN
    45.1 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 ≥ 2.0 · 105 Catalogue entries

Of 104 other entries for this area and period, 95 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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