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Indonesia

M3.4 Earthquake near KEPULAUAN ALOR, INDONESIA (Indonesia)

UTC time: 2025-08-20 02:01:56 UTC Local time: —

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About this earthquake

A magnitude M3.4 earthquake was recorded near KEPULAUAN ALOR, INDONESIA (Indonesia) on August 20, 2025 at 02:01 UTC. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are often felt but rarely cause damage.

The data is provided by EMSC and cross-checked across seismological networks. Indonesia: over the past 24 hours, QuakeMap24 logged 38 earthquakes, the strongest at M4.8.

Details

ID
9391b130418f10ccd079fe5cfe58de2b0fcea639
Magnitude
M3.4
Depth
10.0 km
UTC time
2025-08-20 02:01:56 UTC
Local time
—
Country
Indonesia
City
Nusa Tenggara Timur
Source
emsc
Coordinates
-8.67000, 124.67000
Temperature
30.2°C

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 km — shallower than the regional average (43.2 km)
Regional average: 43.2 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

  • Sirung
    Distance: 62 km ·Complex ·Elevation: 1'347 m ·Last eruption: 2021 ·Indonesia
  • Iliwerung
    Distance: 122 km ·Complex ·Elevation: 583 m ·Last eruption: 2021 ·Indonesia
  • Lewotolok Activity reported
    Distance: 135 km ·Stratovolcano ·Elevation: 1'431 m ·Last eruption: 2026 ·Indonesia
  • Ililabalekan
    Distance: 142 km ·Stratovolcano ·Elevation: 1'018 m ·Indonesia
  • Tara, Batu
    Distance: 154 km ·Stratovolcano ·Elevation: 633 m ·Last eruption: 2015 ·Indonesia
  • Iliboleng
    Distance: 160 km ·Stratovolcano ·Elevation: 1'659 m ·Last eruption: 1993 ·Indonesia

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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