International Disaster and Emergency Monitoring Center

Preliminary earthquake data and analysis


Earthquake Report
Base data
Event ID 1081763
Event time 2023-10-07 08:40:14 (UTC)
Local time 2023-10-06 22:40:14 - [It was night in the affected area.]
Last update 2023-10-07 08:52:36 (UTC)
Magnitude 7
Depth 77.74 km
Class Major
Hypocenter Medium deep
Mercalli scale 9
Possible effects Well-built buildings suffer considerable damage. Houses that are not bolted down move off their foundations. Some underground pipes are broken. The ground cracks. Reservoirs suffer serious damage.
Data status preliminary
Data provider AuGOV

Location
Continent Indonesian Archipelago
Country Papua New Guinea
Administration area Madang
Nearest settlement Madang
Distance 46 km
Course N
Surface type underwater quake
Tsunami region South Pacific
Water surface name Bismarck 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. Based on the data received, the formation of a tsunami is not conceivable on the basis of the high-depth hypocenter. Underwater landslides, volcanic activity, however, cannot be ruled out.