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Indonesia · West Nusa Tenggara

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

UTC time: 2026-08-02 20:12:53 UTC Local time: —
Magnitude
M2.5
Depth
18.0 km
Source
EMSC

West Nusa Tenggara · Poto Tano

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About this earthquake

On August 2, 2026 at 20:12 UTC, a magnitude M2.5 earthquake occurred near Poto Tano, West Nusa Tenggara (Indonesia). The hypocenter lay relatively close to the surface at around 18 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by EMSC. Indonesia: over the past 24 hours, QuakeMap24 logged 46 earthquakes, the strongest at M5.0.

Details

ID
1301b39cffaf9326420c8f412f7917e5d3ebc019
Magnitude
M2.5
Depth
18.0 km
UTC time
2026-08-02 20:12:53 UTC
Local time
—
Country
Indonesia
State
West Nusa Tenggara
City
Poto Tano
County
Sumbawa Barat
Village
Poto Tano
Source
emsc
Coordinates
-8.54000, 116.85000
Temperature
23.6°C

Depth profile

Depth profile Depth: 18 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 18 km
Shallow
18 km
18 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

  • Rinjani
    Distance: 44 km ·Stratovolcano ·Elevation: 3'726 m ·Last eruption: 2016 ·Indonesia
  • Tambora
    Distance: 131 km ·Stratovolcano ·Elevation: 2'850 m ·Last eruption: 1967 ·Indonesia
  • Agung
    Distance: 149 km ·Stratovolcano ·Elevation: 2'997 m ·Last eruption: 2022 ·Indonesia
  • Batur
    Distance: 165 km ·Caldera ·Elevation: 1'711 m ·Last eruption: 2000 ·Indonesia
  • Buyan-Bratan
    Distance: 191 km ·Caldera ·Elevation: 2'244 m ·Indonesia
  • Sangeang Api
    Distance: 247 km ·Complex ·Elevation: 1'912 m ·Last eruption: 2022 ·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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Country statistics · Indonesia

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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