International Disaster and Emergency Monitoring Center

Preliminary earthquake data and analysis


Earthquake Report
Base data
Event ID 1774436
Event time 2026-10-18 08:00:06 (UTC)
Local time 2026-10-18 00:00:06 - [It was night in the affected area.]
Last update 2026-10-18 08:34:37 (UTC)
Magnitude 5.1
Depth 10 km
Class Moderate
Hypocenter Shallow depth
Mercalli scale 5
Possible effects Almost everyone feels movement. Sleeping people are awakened. Doors swing open or close. Dishes are broken. Pictures on the wall move. Small objects move or are turned over. Trees might shake. Liquids might spill out of open containers.
Data status confirmed
Data provider AuGOV

Location
Continent Indonesian Archipelago
Country Indonesia
Administration area East Nusa Tenggara
Nearest settlement Kondas
Distance 52 km
Course NNE
Surface type underwater quake
Tsunami region South Pacific
Water surface name Flores Sea



Risk Analisys
Nearest nuclear power plants
There is no known nuclear power plant nearby.
Nearest marine ports
There is no known marine port nearby.
Nearest airports
Frans Sales Lega Airport (50,97 km), Frans Sales Lega Airport (50,97 km), Komodo Airport (55,19 km), Komodo Airport (55,19 km), Bajawa Soa Airport (103,40 km)
Nearest volcanoes
Ranakah volcano (55,35 km), Poco Leok volcano (59,55 km), Beliling, Gunung volcano (59,77 km), Sano, Wai volcano (66,52 km), Ora, Doro volcano (92,48 km)
Quick Analysis
According to the epicenter of the quake, this is an underwater quake. Based on the hypocenter, an underwater landslide is conceivable and could trigger a tsunami. Based on the data received, using the depth of the hypocenter, a potential tsunami will reach the nearest (Kondas, East Nusa Tenggara, Indonesia) settlement within 01:26. (PLEASE NOTE: THIS IS AN ESTIMATE ONLY!)