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Indonesia · East Nusa Tenggara

M3.1 Earthquake near Ponggeok, East Nusa Tenggara (Indonesia)

UTC time: 2026-08-15 12:51:10 UTC Local time: —

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About this earthquake

On August 15, 2026 at 12:51 UTC, a magnitude M3.1 earthquake occurred near Ponggeok, East Nusa Tenggara (Indonesia). With a focal depth of about 4 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: 24 earthquakes were recorded in the past 24 hours, the strongest reaching M4.5.

Details

ID
a4194c14c192d94277a93bc9046a393a487940df
Magnitude
M3.1
Depth
4.0 km
UTC time
2026-08-15 12:51:10 UTC
Local time
—
Country
Indonesia
State
East Nusa Tenggara
City
Ponggeok
County
Manggarai
Village
Ponggeok
Source
emsc
Coordinates
-8.72000, 120.38000
Temperature
17.6°C

Depth profile

Depth profile Depth: 4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 4 km
Shallow
4 km
4 km — shallower than the regional average (43.2 km)
Regional average: 43.2 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

  • Ranakah Activity reported
    Distance: 19 km ·Lava dome(s) ·Elevation: 2'288 m ·Last eruption: 1991 ·Indonesia
  • Sano, Wai
    Distance: 41 km ·Caldera ·Elevation: 1'319 m ·Indonesia
  • Inierie
    Distance: 65 km ·Stratovolcano ·Elevation: 2'245 m ·Last eruption: -8050 ·Indonesia
  • Inielika
    Distance: 66 km ·Complex ·Elevation: 1'559 m ·Last eruption: 2001 ·Indonesia
  • Ebulobo
    Distance: 90 km ·Stratovolcano ·Elevation: 2'096 m ·Last eruption: 1969 ·Indonesia
  • Iya
    Distance: 140 km ·Stratovolcano ·Elevation: 618 m ·Last eruption: 1969 ·Indonesia

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Frans Sales Lega AirportIndonesia · RTG · WATG
    17.5 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-05

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

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 1,855 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historic earthquake map · Indonesia

Open history map
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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