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Indonesia · Nusa Tenggara Timur

M2.5 Earthquake near Waikabubak, Nusa Tenggara Timur (Indonesia)

UTC time: 2026-04-21 18:19:24 UTC Local time: —
Magnitude
M2.5
Depth
30.0 km
Source
EMSC

Nusa Tenggara Timur · Waikabubak

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About this earthquake

On April 21, 2026 at 18:19 UTC, a magnitude M2.5 earthquake occurred near Waikabubak, Nusa Tenggara Timur (Indonesia). With a focal depth of about 30 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by EMSC. Indonesia: over the past 24 hours, QuakeMap24 logged 38 earthquakes, the strongest at M4.3.

Details

ID
3868dfe21b4553eef1800070bac2bedfcc08d64c
Magnitude
M2.5
Depth
30.0 km
UTC time
2026-04-21 18:19:24 UTC
Local time
—
Country
Indonesia
State
Nusa Tenggara Timur
City
Waikabubak
County
Sumba Barat
Source
emsc
Coordinates
-9.62000, 119.42000
Temperature
21.2°C

Depth profile

Depth profile Depth: 30 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 30 km
Shallow
30 km
30 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: 118 km ·Caldera ·Elevation: 1'319 m ·Indonesia
  • Sangeang Api
    Distance: 163 km ·Complex ·Elevation: 1'912 m ·Last eruption: 2022 ·Indonesia
  • Ranakah Activity reported
    Distance: 164 km ·Lava dome(s) ·Elevation: 2'288 m ·Last eruption: 1991 ·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
    30.5 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-28

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

Nusa Tenggara Timur

Context for this earthquake

28 Sep 2025 – 28 Sep 2026 · M ≥ 2.0 · 1,072 Catalogue entries

Of 1,071 other entries for this area and period, 838 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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