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M4.0 Depth: 10.0 km

M4.0 Earthquake near East Nusa Tenggara (Indonesia)

UTC time: 2026-08-21 07:34:10 UTC Local time: —

About this earthquake

On August 21, 2026 at 07:34 UTC, a magnitude M4.0 earthquake occurred near East Nusa Tenggara (Indonesia). With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Tremors of this size are distinctly felt and can occasionally cause light damage.

The data is provided by EMSC and cross-checked across seismological networks. Indonesia: over the past 24 hours, QuakeMap24 logged 131 earthquakes, the strongest at M5.6.

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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 (44.7 km)
Regional average: 44.7 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

  • Paluweh
    Distance: 45 km ·Stratovolcano ·Elevation: 875 m ·Last eruption: 2013 ·Indonesia
  • Ebulobo
    Distance: 59 km ·Stratovolcano ·Elevation: 2'096 m ·Last eruption: 1969 ·Indonesia
  • Inielika
    Distance: 59 km ·Complex ·Elevation: 1'559 m ·Last eruption: 2001 ·Indonesia
  • Inierie
    Distance: 75 km ·Stratovolcano ·Elevation: 2'245 m ·Last eruption: -8050 ·Indonesia
  • Iya
    Distance: 76 km ·Stratovolcano ·Elevation: 618 m ·Last eruption: 1969 ·Indonesia
  • Kelimutu
    Distance: 77 km ·Complex ·Elevation: 1'639 m ·Last eruption: 1968 ·Indonesia

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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