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Indonesia · East Nusa Tenggara

M3.3 Earthquake near East Nusa Tenggara (Indonesia)

UTC time: 2026-09-21 16:40:21 UTC Local time: —
Magnitude
M3.3
Depth
10.0 km
Source
EMSC

East Nusa Tenggara · East Nusa Tenggara

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About this earthquake

On September 21, 2026 at 16:40 UTC, a magnitude M3.3 earthquake occurred near East Nusa Tenggara (Indonesia). The hypocenter lay relatively close to the surface at around 10 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: 72 earthquakes were recorded in the past 24 hours, the strongest reaching M5.5.

Details

ID
831699857c1e738d30633a5e349eb4e0c621232c
Magnitude
M3.3
Depth
10.0 km
UTC time
2026-09-21 16:40:21 UTC
Local time
—
Country
Indonesia
State
East Nusa Tenggara
City
East Nusa Tenggara
Source
emsc
Coordinates
-8.34000, 121.39000
Temperature
24.1°C

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 km — shallower than the regional average (43.5 km)
Regional average: 43.5 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

  • Paluweh
    Distance: 35 km ·Stratovolcano ·Elevation: 875 m ·Last eruption: 2013 ·Indonesia
  • Ebulobo
    Distance: 57 km ·Stratovolcano ·Elevation: 2'096 m ·Last eruption: 1969 ·Indonesia
  • Inielika
    Distance: 63 km ·Complex ·Elevation: 1'559 m ·Last eruption: 2001 ·Indonesia
  • Iya
    Distance: 67 km ·Stratovolcano ·Elevation: 618 m ·Last eruption: 1969 ·Indonesia
  • Kelimutu
    Distance: 67 km ·Complex ·Elevation: 1'639 m ·Last eruption: 1968 ·Indonesia
  • Inierie
    Distance: 77 km ·Stratovolcano ·Elevation: 2'245 m ·Last eruption: -8050 ·Indonesia

East Nusa Tenggara

Context for this earthquake

21 Sep 2025 – 21 Sep 2026 · M ≥ 3.0 · 1,713 Catalogue entries

Of 1,712 other entries for this area and period, 980 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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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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