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Indonesia · East Nusa Tenggara

M2.5 Earthquake near Umbu Riri, East Nusa Tenggara (Indonesia)

UTC time: 2026-06-20 20:51:00 UTC Local time: —
Magnitude
M2.5
Depth
19.0 km
Source
EMSC

East Nusa Tenggara · Umbu Riri

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About this earthquake

A magnitude M2.5 earthquake was recorded near Umbu Riri, East Nusa Tenggara (Indonesia) on June 20, 2026 at 20:51 UTC. With a focal depth of about 19 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by EMSC and cross-checked across seismological networks. Indonesia: 22 earthquakes were recorded in the past 24 hours, the strongest reaching M5.0.

Details

ID
afd05315019acbb9fd2522bb0fc6df56dbd08613
Magnitude
M2.5
Depth
19.0 km
UTC time
2026-06-20 20:51:00 UTC
Local time
—
Country
Indonesia
State
East Nusa Tenggara
City
Umbu Riri
County
Sumba Tengah
Village
Umbu Riri
Source
emsc
Coordinates
-9.60000, 119.51000
Temperature
21.8°C

Depth profile

Depth profile Depth: 19 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 19 km
Shallow
19 km
19 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: 111 km ·Caldera ·Elevation: 1'319 m ·Indonesia
  • Ranakah Activity reported
    Distance: 155 km ·Lava dome(s) ·Elevation: 2'288 m ·Last eruption: 1991 ·Indonesia
  • Sangeang Api
    Distance: 163 km ·Complex ·Elevation: 1'912 m ·Last eruption: 2022 ·Indonesia
  • Inierie
    Distance: 177 km ·Stratovolcano ·Elevation: 2'245 m ·Last eruption: -8050 ·Indonesia
  • Inielika
    Distance: 188 km ·Complex ·Elevation: 1'559 m ·Last eruption: 2001 ·Indonesia
  • Ebulobo
    Distance: 204 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
    36.2 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-27

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

27 Sep 2025 – 27 Sep 2026 · M ≥ 2.0 · 3,264 Catalogue entries

Of 3,263 other entries for this area and period, 2,960 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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