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M3.1 Depth: 21.0 km

M3.1 Earthquake near SUNDA STRAIT, INDONESIA (Indonesia)

UTC time: 2025-09-17 16:17:42 UTC Local time: —

About this earthquake

A magnitude M3.1 earthquake was recorded near SUNDA STRAIT, INDONESIA (Indonesia) on September 17, 2025 at 16:17 UTC. With a focal depth of about 21 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: 72 earthquakes were recorded in the past 24 hours, the strongest reaching M5.2.

Details

Magnitude
M3.1
Depth
21.0 km
UTC time
2025-09-17 16:17:42 UTC
Local time
—
Country
Indonesia
City
Lampung
Source
emsc
Coordinates
-6.28000, 104.90000
Temperature
27.0°C

Map

Depth profile

Depth profile Depth: 21 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 21 km
Shallow
21 km
21 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

  • Krakatau
    Distance: 61 km ·Caldera ·Elevation: 285 m ·Last eruption: 2024 ·Indonesia
  • Pulosari
    Distance: 119 km ·Stratovolcano ·Elevation: 1'324 m ·Indonesia
  • Karang
    Distance: 127 km ·Stratovolcano ·Elevation: 1'768 m ·Indonesia
  • Suoh
    Distance: 134 km ·Caldera(s) ·Elevation: 1'000 m ·Last eruption: 2024 ·Indonesia
  • Ranau
    Distance: 190 km ·Caldera ·Elevation: 1'854 m ·Indonesia
  • Perbakti-Gagak
    Distance: 203 km ·Stratovolcano(es) ·Elevation: 1'726 m ·Last eruption: 1939 ·Indonesia

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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