International Disaster and Emergency Monitoring Center

Preliminary earthquake data and analysis


Earthquake Report
Base data
Event ID 1584964
Event time 2026-02-28 17:31:09 (UTC)
Local time 2026-02-28 04:31:09 - [It was night in the affected area.]
Last update 2026-02-28 17:34:25 (UTC)
Magnitude 3.3
Depth 750 km
Class Minor
Hypocenter Great depth
Mercalli scale 1
Possible effects People do not feel any Earth movement.
Data status deleted
Data provider GEONET

Location
Continent Australia - New-Zealand
Country New Zealand
Administration area Southland
Nearest settlement Milford Sound
Distance 134 km
Course NNW
Surface type underwater quake
Tsunami region South Pacific
Water surface name Tasman 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
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.