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Indonesia · East Nusa Tenggara

M3.8 Earthquake near Waikabubak, East Nusa Tenggara (Indonesia)

UTC time: 2026-08-03 13:13:31 UTC Local time: —
Magnitude
M3.8
Depth
7.0 km
Source
EMSC

East Nusa Tenggara · Waikabubak

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About this earthquake

On August 3, 2026 at 13:13 UTC, a magnitude M3.8 earthquake occurred near Waikabubak, East Nusa Tenggara (Indonesia). With a focal depth of about 7 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: 43 earthquakes were recorded in the past 24 hours, the strongest reaching M5.0.

Details

ID
b15c84a52054dc6d535343eee221d00ed810893c
Magnitude
M3.8
Depth
7.0 km
UTC time
2026-08-03 13:13:31 UTC
Local time
—
Country
Indonesia
State
East Nusa Tenggara
City
Waikabubak
County
Sumba Barat
Source
emsc
Coordinates
-9.64000, 119.43000
Temperature
19.8°C

Depth profile

Depth profile Depth: 7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 7 km
Shallow
7 km
7 km — shallower than the regional average (43.4 km)
Regional average: 43.4 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

  • Sano, Wai
    Distance: 119 km ·Caldera ·Elevation: 1'319 m ·Indonesia
  • Ranakah Activity reported
    Distance: 164 km ·Lava dome(s) ·Elevation: 2'288 m ·Last eruption: 1991 ·Indonesia
  • Sangeang Api
    Distance: 165 km ·Complex ·Elevation: 1'912 m ·Last eruption: 2022 ·Indonesia
  • Inierie
    Distance: 187 km ·Stratovolcano ·Elevation: 2'245 m ·Last eruption: -8050 ·Indonesia
  • Inielika
    Distance: 198 km ·Complex ·Elevation: 1'559 m ·Last eruption: 2001 ·Indonesia
  • Ebulobo
    Distance: 214 km ·Stratovolcano ·Elevation: 2'096 m ·Last eruption: 1969 ·Indonesia

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Tambolaka AirportIndonesia · TMC · WATK
    32.9 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-25

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

East Nusa Tenggara

Context for this earthquake

25 Sep 2025 – 25 Sep 2026 · M ≥ 3.0 · 1,756 Catalogue entries

Of 1,755 other entries for this area and period, 399 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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