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Indonesia

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

UTC time: 2025-12-28 09:52:32 UTC Local time: —

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About this earthquake

On December 28, 2025 at 09:52 UTC, a magnitude M3.1 earthquake occurred near SUMBA REGION, INDONESIA (Indonesia). The earthquake originated at an intermediate depth of about 82 km. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by EMSC. Indonesia: 54 earthquakes were recorded in the past 24 hours, the strongest reaching M4.8.

Details

ID
e78ed70a15dda029e2802944ed56c2090ec54da2
Magnitude
M3.1
Depth
82.0 km
UTC time
2025-12-28 09:52:32 UTC
Local time
—
Country
Indonesia
City
Nusa Tenggara Timur
Source
emsc
Coordinates
-9.08000, 120.44000
Temperature
27.3°C

Depth profile

Depth profile Depth: 82 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 82 km
Intermediate
82 km
82 km — deeper than the regional average (43.4 km)
Regional average: 43.4 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Ranakah Activity reported
    Distance: 50 km ·Lava dome(s) ·Elevation: 2'288 m ·Last eruption: 1991 ·Indonesia
  • Inierie
    Distance: 60 km ·Stratovolcano ·Elevation: 2'245 m ·Last eruption: -8050 ·Indonesia
  • Sano, Wai
    Distance: 61 km ·Caldera ·Elevation: 1'319 m ·Indonesia
  • Inielika
    Distance: 71 km ·Complex ·Elevation: 1'559 m ·Last eruption: 2001 ·Indonesia
  • Ebulobo
    Distance: 88 km ·Stratovolcano ·Elevation: 2'096 m ·Last eruption: 1969 ·Indonesia
  • Iya
    Distance: 134 km ·Stratovolcano ·Elevation: 618 m ·Last eruption: 1969 ·Indonesia

Nusa Tenggara Timur

Context for this earthquake

02 Oct 2025 – 02 Oct 2026 · M ≥ 3.0 · 348 Catalogue entries

Of 347 other entries for this area and period, 230 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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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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