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Indonesia

M2.8 Earthquake near SUMBA REGION, INDONESIA (Indonesia)

UTC time: 2025-12-31 21:14:30 UTC Local time: —

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About this earthquake

A magnitude M2.8 earthquake was recorded near SUMBA REGION, INDONESIA (Indonesia) on December 31, 2025 at 21:14 UTC. The hypocenter lay relatively close to the surface at around 29 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The data is provided by EMSC and cross-checked across seismological networks. Indonesia: 61 earthquakes were recorded in the past 24 hours, the strongest reaching M5.1.

Details

ID
dbacd9e58ee20a634a8a2aa5385e87314eaa3679
Magnitude
M2.8
Depth
29.0 km
UTC time
2025-12-31 21:14:30 UTC
Local time
—
Country
Indonesia
City
Nusa Tenggara Timur
Source
emsc
Coordinates
-9.60000, 119.22000
Temperature
29.8°C

Depth profile

Depth profile Depth: 29 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 29 km
Shallow
29 km
29 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: 129 km ·Caldera ·Elevation: 1'319 m ·Indonesia
  • Sangeang Api
    Distance: 157 km ·Complex ·Elevation: 1'912 m ·Last eruption: 2022 ·Indonesia
  • Ranakah Activity reported
    Distance: 179 km ·Lava dome(s) ·Elevation: 2'288 m ·Last eruption: 1991 ·Indonesia
  • Tambora
    Distance: 201 km ·Stratovolcano ·Elevation: 2'850 m ·Last eruption: 1967 ·Indonesia
  • Inierie
    Distance: 206 km ·Stratovolcano ·Elevation: 2'245 m ·Last eruption: -8050 ·Indonesia
  • Inielika
    Distance: 216 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
    21.4 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-02

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

02 Oct 2025 – 02 Oct 2026 · M ≥ 2.0 · 1,065 Catalogue entries

Of 1,064 other entries for this area and period, 435 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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