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Indonesia

M2.5 Earthquake near SUMBA REGION, INDONESIA (Indonesia)

UTC time: 2025-10-21 16:06:12 UTC Local time: —

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About this earthquake

A magnitude M2.5 earthquake was recorded near SUMBA REGION, INDONESIA (Indonesia) on October 21, 2025 at 16:06 UTC. The hypocenter lay relatively close to the surface at around 13 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by EMSC. Indonesia: 23 earthquakes were recorded in the past 24 hours, the strongest reaching M4.3.

Details

ID
9bd37d6b4552e10cb7faeb9d58eb5e4070bc77d2
Magnitude
M2.5
Depth
13.0 km
UTC time
2025-10-21 16:06:12 UTC
Local time
—
Country
Indonesia
City
Nusa Tenggara Timur
Source
emsc
Coordinates
-9.01000, 120.50000
Temperature
26.0°C

Depth profile

Depth profile Depth: 13 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 13 km
Shallow
13 km
13 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

  • Ranakah Activity reported
    Distance: 42 km ·Lava dome(s) ·Elevation: 2'288 m ·Last eruption: 1991 ·Indonesia
  • Inierie
    Distance: 52 km ·Stratovolcano ·Elevation: 2'245 m ·Last eruption: -8050 ·Indonesia
  • Inielika
    Distance: 61 km ·Complex ·Elevation: 1'559 m ·Last eruption: 2001 ·Indonesia
  • Sano, Wai
    Distance: 62 km ·Caldera ·Elevation: 1'319 m ·Indonesia
  • Ebulobo
    Distance: 79 km ·Stratovolcano ·Elevation: 2'096 m ·Last eruption: 1969 ·Indonesia
  • Iya
    Distance: 126 km ·Stratovolcano ·Elevation: 618 m ·Last eruption: 1969 ·Indonesia

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Frans Sales Lega AirportIndonesia · RTG · WATG
    46.1 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 ≥ 2.0 · 1,069 Catalogue entries

Of 1,068 other entries for this area and period, 835 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

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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