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Indonesia

M3.1 Earthquake near SUMBA REGION, INDONESIA (Indonesia)

UTC time: 2025-08-28 09:25:48 UTC Local time: —

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About this earthquake

On August 28, 2025 at 09:25 UTC, a magnitude M3.1 earthquake occurred near SUMBA REGION, INDONESIA (Indonesia). The hypocenter lay relatively close to the surface at around 46 km, increasing how strongly it was felt. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by EMSC. Indonesia: over the past 24 hours, QuakeMap24 logged 32 earthquakes, the strongest at M4.8.

Details

ID
5c1d044e76fbd4ee31708939fa1489ae04cb63bd
Magnitude
M3.1
Depth
46.0 km
UTC time
2025-08-28 09:25:48 UTC
Local time
—
Country
Indonesia
City
Nusa Tenggara Timur
Source
emsc
Coordinates
-9.35000, 119.32000
Temperature
21.4°C

Depth profile

Depth profile Depth: 46 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 46 km
Shallow
46 km
46 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: 102 km ·Caldera ·Elevation: 1'319 m ·Indonesia
  • Sangeang Api
    Distance: 131 km ·Complex ·Elevation: 1'912 m ·Last eruption: 2022 ·Indonesia
  • Ranakah Activity reported
    Distance: 155 km ·Lava dome(s) ·Elevation: 2'288 m ·Last eruption: 1991 ·Indonesia
  • Inierie
    Distance: 187 km ·Stratovolcano ·Elevation: 2'245 m ·Last eruption: -8050 ·Indonesia
  • Tambora
    Distance: 190 km ·Stratovolcano ·Elevation: 2'850 m ·Last eruption: 1967 ·Indonesia
  • Inielika
    Distance: 195 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
    10.7 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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