M5.9

USGS earthquake · M5.939 km WSW of Tambolaka

🇮🇩 - Indonesia

· 18 days ago

Map centered on the earthquake at 39 km WSW of Tambolaka, Indonesia, with a marker at its epicenterTambolakaWaikabubakOpen in Apple Maps ↗
Shaking intensity
  1. IV
  2. V

Strongest contour: Moderate (V). Modelled by USGS ShakeMap; contours show where shaking was expected to reach each level, not damage.

Depth46.0 km
Origin timeOct 3, 2026, 10:55 PM UTC
Coordinates-9.567, 118.908
Tsunami flagNot reported
Estimated shakingModerate (V)Modelled by USGS ShakeMap
Reported shakingModerate (V)From 5 public reports
Magnitude scaleMoment magnitude
SolutionReviewed by a seismologist
Who felt it

People in the shaking

In the modelled area699,000
At light shaking or above663,000
  1. VModerate162,000
  2. IVLight501,000
  3. IIIWeak36,000
Nearby towns and the shaking modelled for each
PlacePopulationShaking
Tambolaka36,000IV
Waikabubak33,000IV

Past earthquakes here. A magnitude 7.7 earthquake 343 km n of this event struck UK on December 12, 1992 (UTC), with estimated population exposures of 429,000 at intensity VII and 13,000 at intensity VIII, resulting in a reported 2,519 fatalities.

Local buildings. Overall, the population in this region resides in structures that are vulnerable to earthquake shaking, though resistant structures exist. The predominant vulnerable building types are unreinforced brick with concrete floor and precast concrete frame with wall construction.

Population and intensity modelled by USGS PAGER. Estimates, not a count of people affected.

Official source

U.S. Geological Survey

Terremoto preserves this event snapshot for a stable public link. USGS remains the authoritative source for revisions and scientific details. Shaking contours and population estimates come from USGS ShakeMap and PAGER, which revise them as more data arrives.

View the USGS record ↗