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Indonesia

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

UTC time: 2025-07-09 21:51:55 UTC Local time: —

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About this earthquake

On July 9, 2025 at 21:51 UTC, a magnitude M3.1 earthquake occurred near SUMBA REGION, INDONESIA (Indonesia). The hypocenter lay relatively close to the surface at around 11 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The data is provided by EMSC and cross-checked across seismological networks. Indonesia: over the past 24 hours, QuakeMap24 logged 23 earthquakes, the strongest at M4.3.

Details

ID
b1c1fd056745b30b6ae3f9aa41c06fe4432e53a2
Magnitude
M3.1
Depth
11.0 km
UTC time
2025-07-09 21:51:55 UTC
Local time
—
Country
Indonesia
City
Nusa Tenggara Timur
Source
emsc
Coordinates
-9.79000, 119.15000
Temperature
26.0°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

  • Sano, Wai
    Distance: 150 km ·Caldera ·Elevation: 1'319 m ·Indonesia
  • Sangeang Api
    Distance: 177 km ·Complex ·Elevation: 1'912 m ·Last eruption: 2022 ·Indonesia
  • Ranakah Activity reported
    Distance: 198 km ·Lava dome(s) ·Elevation: 2'288 m ·Last eruption: 1991 ·Indonesia
  • Tambora
    Distance: 213 km ·Stratovolcano ·Elevation: 2'850 m ·Last eruption: 1967 ·Indonesia
  • Inierie
    Distance: 222 km ·Stratovolcano ·Elevation: 2'245 m ·Last eruption: -8050 ·Indonesia
  • Inielika
    Distance: 233 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
    43.5 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-29

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

29 Sep 2025 – 29 Sep 2026 · M ≥ 3.0 · 348 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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