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Indonesia · East Nusa Tenggara

M3.1 Earthquake near Kecamatan Umbu ratunggai Barat, East Nusa Tenggara (Indonesia)

UTC time: 2026-06-29 00:48:40 UTC Local time: —
Magnitude
M3.1
Depth
51.0 km
Source
EMSC

East Nusa Tenggara · Kecamatan Umbu ratunggai Barat

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About this earthquake

On June 29, 2026 at 00:48 UTC, a magnitude M3.1 earthquake occurred near Kecamatan Umbu ratunggai Barat, East Nusa Tenggara (Indonesia). With a focal depth of about 51 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. Indonesia: 22 earthquakes were recorded in the past 24 hours, the strongest reaching M5.0.

Depth profile

Depth profile Depth: 51 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 51 km
Shallow
51 km
51 km — close to 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

  • Sano, Wai
    Distance: 97 km ·Caldera ·Elevation: 1'319 m ·Indonesia
  • Sangeang Api
    Distance: 127 km ·Complex ·Elevation: 1'912 m ·Last eruption: 2022 ·Indonesia
  • Ranakah Activity reported
    Distance: 151 km ·Lava dome(s) ·Elevation: 2'288 m ·Last eruption: 1991 ·Indonesia
  • Inierie
    Distance: 183 km ·Stratovolcano ·Elevation: 2'245 m ·Last eruption: -8050 ·Indonesia
  • Tambora
    Distance: 189 km ·Stratovolcano ·Elevation: 2'850 m ·Last eruption: 1967 ·Indonesia
  • Inielika
    Distance: 191 km ·Complex ·Elevation: 1'559 m ·Last eruption: 2001 ·Indonesia

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Tambolaka AirportIndonesia · TMC · WATK
    15.4 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

East Nusa Tenggara

Context for this earthquake

26 Sep 2025 – 26 Sep 2026 · M ≥ 3.0 · 1,762 Catalogue entries

Of 1,761 other entries for this area and period, 1,341 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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