International Disaster and Emergency Monitoring Center

Preliminary earthquake data and analysis


Earthquake Report
Base data
Event ID 1348499
Event time 2025-04-17 01:14:29 (UTC)
Local time 2025-04-16 12:14:29 - [It was afternoon in the affected area.]
Last update 2025-04-17 01:33:06 (UTC)
Magnitude 4.9
Depth 35 km
Class Light
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
Data provider EMSC

Location
Continent Pacific Ocean - East
Country Tonga
Administration area Niuas
Nearest settlement Falehau
Distance 147 km
Course SSE
Surface type underwater quake
Tsunami region South Pacific
Water surface name South Pacific Ocean



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
There is no known marine port nearby.
Nearest volcanoes
There is no known volcanoes nearby.
Quick Analysis
According to the epicenter of the quake, this is an underwater quake.