M3.9 Depth: 23.0 km

M3.9 Earthquake near MOLUCCA SEA (Indonesia)

UTC time: 2025-10-21 10:32:47 UTC Local time:

About this earthquake

A magnitude M3.9 earthquake was recorded near MOLUCCA SEA (Indonesia) on October 21, 2025 at 10:32 UTC. The hypocenter lay relatively close to the surface at around 23 km, increasing how strongly it was felt. Earthquakes of this magnitude are often felt but rarely cause damage.

The data is provided by EMSC and cross-checked across seismological networks. Indonesia: 139 earthquakes were recorded in the past 24 hours, the strongest reaching M5.1.

Details

Magnitude
M3.9
Depth
23.0 km
UTC time
2025-10-21 10:32:47 UTC
Local time
Country
Source
emsc
Coordinates
0.48000, 125.30000
Temperature
28.9°C

Map

Depth profile

Depth profile Depth: 23 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 23 km
Shallow
23 km
23 km — shallower than the regional average (49.7 km)
Regional average: 49.7 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

  • Soputan
    Distance: 94 km ·Stratovolcano ·Elevation: 1'785 m ·Last eruption: 2020 ·Indonesia
  • Ambang
    Distance: 102 km ·Complex ·Elevation: 1'795 m ·Last eruption: 2005 ·Indonesia
  • Mahawu
    Distance: 108 km ·Stratovolcano ·Elevation: 1'299 m ·Last eruption: 1977 ·Indonesia
  • Klabat
    Distance: 112 km ·Stratovolcano ·Elevation: 1'968 m ·Indonesia
  • Lokon-Empung
    Distance: 113 km ·Stratovolcano(es) ·Elevation: 1'580 m ·Last eruption: 2015 ·Indonesia
  • Tangkoko-Duasudara
    Distance: 116 km ·Stratovolcano ·Elevation: 1'334 m ·Last eruption: 1880 ·Indonesia

Historic earthquake map · Indonesia

Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Indonesia

View earthquake KPIs, strongest and latest events, and averages for this country.

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