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Indonesia

M3.4 Earthquake near FLORES SEA (Indonesia)

UTC time: 2025-10-23 18:22:52 UTC Local time: —

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About this earthquake

A magnitude M3.4 earthquake was recorded near FLORES SEA (Indonesia) on October 23, 2025 at 18:22 UTC. The earthquake originated at an intermediate depth of about 255 km. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. Indonesia: over the past 24 hours, QuakeMap24 logged 25 earthquakes, the strongest at M4.7.

Details

ID
d99f7fa054228f0bfe96a57e36b8211e7bb17e2c
Magnitude
M3.4
Depth
255.0 km
UTC time
2025-10-23 18:22:52 UTC
Local time
—
Country
Indonesia
City
Nusa Tenggara Timur
Source
emsc
Coordinates
-7.95000, 122.94000
Temperature
29.2°C

Depth profile

Depth profile Depth: 255 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 255 km
Intermediate
255 km
255 km — deeper than the regional average (43.6 km)
Regional average: 43.6 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

  • Iliboleng
    Distance: 56 km ·Stratovolcano ·Elevation: 1'659 m ·Last eruption: 1993 ·Indonesia
  • Lewotobi Activity reported
    Distance: 68 km ·Stratovolcano(es) ·Elevation: 1'703 m ·Last eruption: 2026 ·Indonesia
  • Lewotolok Activity reported
    Distance: 72 km ·Stratovolcano ·Elevation: 1'431 m ·Last eruption: 2026 ·Indonesia
  • Tara, Batu
    Distance: 73 km ·Stratovolcano ·Elevation: 633 m ·Last eruption: 2015 ·Indonesia
  • Ililabalekan
    Distance: 82 km ·Stratovolcano ·Elevation: 1'018 m ·Indonesia
  • Iliwerung
    Distance: 95 km ·Complex ·Elevation: 583 m ·Last eruption: 2021 ·Indonesia

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Larantuka Gewayentana AirportIndonesia · LKA · WATL
    36.7 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-18

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

18 Sep 2025 – 18 Sep 2026 · M ≥ 3.0 · 363 Catalogue entries

Of 362 other entries for this area and period, 135 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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