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Indonesia · East Nusa Tenggara

M3.5 Earthquake near East Nusa Tenggara (Indonesia)

UTC time: 2026-09-20 08:52:53 UTC Local time: —
Magnitude
M3.5
Depth
55.0 km
Source
EMSC

East Nusa Tenggara · East Nusa Tenggara

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About this earthquake

On September 20, 2026 at 08:52 UTC, a magnitude M3.5 earthquake occurred near East Nusa Tenggara (Indonesia). The hypocenter lay relatively close to the surface at around 55 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. Indonesia: over the past 24 hours, QuakeMap24 logged 31 earthquakes, the strongest at M4.4.

Details

ID
3bba46ac259956590ce48043a6565766db4e041e
Magnitude
M3.5
Depth
55.0 km
UTC time
2026-09-20 08:52:53 UTC
Local time
—
Country
Indonesia
State
East Nusa Tenggara
City
East Nusa Tenggara
Source
emsc
Coordinates
-9.30000, 118.65000
Temperature
26.7°C

Depth profile

Depth profile Depth: 55 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 55 km
Shallow
55 km
55 km — deeper than the regional average (43.6 km)
Regional average: 43.6 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

  • Sangeang Api
    Distance: 131 km ·Complex ·Elevation: 1'912 m ·Last eruption: 2022 ·Indonesia
  • Tambora
    Distance: 137 km ·Stratovolcano ·Elevation: 2'850 m ·Last eruption: 1967 ·Indonesia
  • Sano, Wai
    Distance: 162 km ·Caldera ·Elevation: 1'319 m ·Indonesia
  • Ranakah Activity reported
    Distance: 219 km ·Lava dome(s) ·Elevation: 2'288 m ·Last eruption: 1991 ·Indonesia
  • Inierie
    Distance: 257 km ·Stratovolcano ·Elevation: 2'245 m ·Last eruption: -8050 ·Indonesia
  • Rinjani
    Distance: 259 km ·Stratovolcano ·Elevation: 3'726 m ·Last eruption: 2016 ·Indonesia

East Nusa Tenggara

Context for this earthquake

20 Sep 2025 – 20 Sep 2026 · M ≥ 3.0 · 1,692 Catalogue entries

Of 1,691 other entries for this area and period, 692 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

Historic earthquake map · Indonesia

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Country statistics · Indonesia

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

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