Indonesia · East Nusa Tenggara

M3.9 Earthquake near East Nusa Tenggara (Indonesia)

UTC time: 2026-10-20 21:57:14 UTC Local time: —
Magnitude
M3.9
Depth
537.0 km
Source
EMSC

East Nusa Tenggara · East Nusa Tenggara

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About this earthquake

A magnitude M3.9 earthquake was recorded near East Nusa Tenggara (Indonesia) on October 20, 2026 at 21:57 UTC. At roughly 537 km, the focus was very deep, so surface shaking tends to be weaker. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. Indonesia: over the past 24 hours, QuakeMap24 logged 15 earthquakes, the strongest at M5.3.

Details

ID
d7d738296ed1f834df8da61834f5cb238a5e8643
Magnitude
M3.9
Depth
537.0 km
UTC time
2026-10-20 21:57:14 UTC
Local time
—
Country
Source
emsc
Coordinates
-7.31000, 122.27000
Temperature
28.0°C

Depth profile

Depth profile Depth: 537 km (Deep) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 537 km
Deep
537 km
537 km — deeper than the regional average (43.2 km)
Regional average: 43.2 km
Why depth matters

Deep quakes are felt over very large areas but rarely cause surface damage.

Depth classes per USGS

Volcanoes nearby

  • Distance: 128 km ·Stratovolcano ·Elevation: 875 m ·Last eruption: 2013 ·Indonesia
  • Lewotobi Activity reported
    Distance: 148 km ·Stratovolcano(es) ·Elevation: 1'703 m ·Last eruption: 2026 ·Indonesia
  • Distance: 153 km ·Stratovolcano ·Elevation: 1'661 m ·Last eruption: 2008 ·Indonesia
  • Distance: 155 km ·Stratovolcano ·Elevation: 633 m ·Last eruption: 2015 ·Indonesia
  • Distance: 158 km ·Stratovolcano ·Elevation: 1'659 m ·Last eruption: 1993 ·Indonesia
  • Distance: 170 km ·Complex ·Elevation: 1'639 m ·Last eruption: 1968 ·Indonesia

East Nusa Tenggara

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 1,855 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

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Country statistics · Indonesia

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

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