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Indonesia

M3.8 Earthquake near SUMBA REGION, INDONESIA (Indonesia)

UTC time: 2025-08-31 00:49:43 UTC Local time: —

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About this earthquake

A magnitude M3.8 earthquake was recorded near SUMBA REGION, INDONESIA (Indonesia) on August 31, 2025 at 00:49 UTC. With a focal depth of about 47 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: 32 earthquakes were recorded in the past 24 hours, the strongest reaching M4.8.

Details

ID
ee128d0f6ea01008a76feb15a28e6bce5794a76a
Magnitude
M3.8
Depth
47.0 km
UTC time
2025-08-31 00:49:43 UTC
Local time
—
Country
Indonesia
City
Nusa Tenggara Timur
Source
emsc
Coordinates
-9.75000, 119.00000
Temperature
26.2°C

Depth profile

Depth profile Depth: 47 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 47 km
Shallow
47 km
47 km — close to the regional average (43.3 km)
Regional average: 43.3 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: 158 km ·Caldera ·Elevation: 1'319 m ·Indonesia
  • Sangeang Api
    Distance: 173 km ·Complex ·Elevation: 1'912 m ·Last eruption: 2022 ·Indonesia
  • Tambora
    Distance: 200 km ·Stratovolcano ·Elevation: 2'850 m ·Last eruption: 1967 ·Indonesia
  • Ranakah Activity reported
    Distance: 209 km ·Lava dome(s) ·Elevation: 2'288 m ·Last eruption: 1991 ·Indonesia
  • Inierie
    Distance: 235 km ·Stratovolcano ·Elevation: 2'245 m ·Last eruption: -8050 ·Indonesia
  • Inielika
    Distance: 245 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
    46.3 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

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

Nusa Tenggara Timur

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 345 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historic earthquake map · Indonesia

Open history map
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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