Event ID	1371740
Event time	2025-05-20 15:05:59 (UTC)
Local time	2025-05-20 05:05:59 - [It was morning in the affected area.]
Last update	2025-05-20 15:18:55 (UTC)
Magnitude	6.6
Depth	53 km
Class	Strong
Hypocenter	Shallow depth
Mercalli scale	8
Possible effects	Drivers have trouble steering. Houses that are not bolted down might shift on their foundations. Tall structures such as towers and chimneys might twist and fall. Well-built buildings suffer slight damage. Poorly built structures suffer severe damage. Tree branches break. Hillsides might crack if the ground is wet. Water levels in wells might change.
Data status	REVIEWED
Data provider	USGS

Continent	Indonesian Archipelago
Country	Papua New Guinea
Administration area	East Sepik
Nearest settlement	Wewak
Distance	141 km
Course	E
Surface type	underwater quake
Tsunami region	South Pacific
Water surface name	Bismarck Sea

Nearest nuclear power plants

There is no known nuclear power plant nearby.

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Nearest marine ports

There is no known marine port nearby.

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Nearest airports

There is no known marine port nearby.

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Nearest volcanoes

There is no known volcanoes nearby.

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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 (Wewak, East Sepik, Papua New Guinea) settlement within 00:53. (PLEASE NOTE: THIS IS AN ESTIMATE ONLY!)