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M2.9 Depth: 61.0 km

M2.9 Earthquake near Umbu Riri, East Nusa Tenggara (Indonesia)

UTC time: 2026-08-17 03:09:07 UTC Local time: —

About this earthquake

On August 17, 2026 at 03:09 UTC, a magnitude M2.9 earthquake occurred near Umbu Riri, East Nusa Tenggara (Indonesia). With a focal depth of about 61 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: 474 earthquakes were recorded in the past 24 hours, the strongest reaching M5.9.

Details

Magnitude
M2.9
Depth
61.0 km
UTC time
2026-08-17 03:09:07 UTC
Local time
—
Country
Indonesia
State
East Nusa Tenggara
City
Umbu Riri
County
Sumba Tengah
Village
Umbu Riri
Source
emsc
Coordinates
-9.62000, 119.52000
Temperature
27.2°C

Map

Depth profile

Depth profile Depth: 61 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 61 km
Shallow
61 km
61 km — deeper than the regional average (47.2 km)
Regional average: 47.2 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: 112 km ·Caldera ·Elevation: 1'319 m ·Indonesia
  • Ranakah
    Distance: 156 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: 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

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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