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Indonesia

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

UTC time: 2025-08-28 07:29:41 UTC Local time: —

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About this earthquake

A magnitude M3.1 earthquake was recorded near SUMBA REGION, INDONESIA (Indonesia) on August 28, 2025 at 07:29 UTC. With a focal depth of about 37 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. Indonesia: 32 earthquakes were recorded in the past 24 hours, the strongest reaching M4.8.

Details

ID
fa1c4d17e0817298c9aa6e23ad6abbb661d26f69
Magnitude
M3.1
Depth
37.0 km
UTC time
2025-08-28 07:29:41 UTC
Local time
—
Country
Indonesia
City
Nusa Tenggara Timur
Source
emsc
Coordinates
-9.36000, 120.49000
Temperature
27.7°C

Depth profile

Depth profile Depth: 37 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 37 km
Shallow
37 km
37 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

  • Inierie
    Distance: 74 km ·Stratovolcano ·Elevation: 2'245 m ·Last eruption: -8050 ·Indonesia
  • Ranakah Activity reported
    Distance: 81 km ·Lava dome(s) ·Elevation: 2'288 m ·Last eruption: 1991 ·Indonesia
  • Sano, Wai
    Distance: 87 km ·Caldera ·Elevation: 1'319 m ·Indonesia
  • Inielika
    Distance: 88 km ·Complex ·Elevation: 1'559 m ·Last eruption: 2001 ·Indonesia
  • Ebulobo
    Distance: 98 km ·Stratovolcano ·Elevation: 2'096 m ·Last eruption: 1969 ·Indonesia
  • Iya
    Distance: 137 km ·Stratovolcano ·Elevation: 618 m ·Last eruption: 1969 ·Indonesia

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Umbu Mehang Kunda AirportIndonesia · WGP · WATU
    40.1 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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