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Indonesia · West Nusa Tenggara

M2.5 Earthquake near Ambalawi, West Nusa Tenggara (Indonesia)

UTC time: 2026-08-01 17:39:53 UTC Local time: —

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About this earthquake

A magnitude M2.5 earthquake was recorded near Ambalawi, West Nusa Tenggara (Indonesia) on August 1, 2026 at 17:39 UTC. The hypocenter lay relatively close to the surface at around 11 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by EMSC. Indonesia: 45 earthquakes were recorded in the past 24 hours, the strongest reaching M5.0.

Details

ID
5a3500d8359aae426f9ee1c83404eca17c07c41a
Magnitude
M2.5
Depth
11.0 km
UTC time
2026-08-01 17:39:53 UTC
Local time
—
Country
Indonesia
State
West Nusa Tenggara
City
Ambalawi
County
Ambalawi
Source
emsc
Coordinates
-8.08000, 118.54000
Temperature
26.2°C

Depth profile

Depth profile Depth: 11 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 11 km
Shallow
11 km
11 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

  • Sangeang Api
    Distance: 60 km ·Complex ·Elevation: 1'912 m ·Last eruption: 2022 ·Indonesia
  • Tambora
    Distance: 62 km ·Stratovolcano ·Elevation: 2'850 m ·Last eruption: 1967 ·Indonesia
  • Sano, Wai
    Distance: 177 km ·Caldera ·Elevation: 1'319 m ·Indonesia
  • Ranakah Activity reported
    Distance: 228 km ·Lava dome(s) ·Elevation: 2'288 m ·Last eruption: 1991 ·Indonesia
  • Rinjani
    Distance: 231 km ·Stratovolcano ·Elevation: 3'726 m ·Last eruption: 2016 ·Indonesia
  • Inielika
    Distance: 278 km ·Complex ·Elevation: 1'559 m ·Last eruption: 2001 ·Indonesia

West Nusa Tenggara

Context for this earthquake

25 Sep 2025 – 25 Sep 2026 · M ≥ 2.0 · 235 Catalogue entries

Of 234 other entries for this area and period, 165 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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View earthquake KPIs, strongest and latest events, and averages for this country.

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