M5.6 earthquake – Morobe Province, Papua New Guinea

An M5.6 earthquake was recorded at 16:37 UTC on June 19, 2025, about 30 km (18.6 miles) north of Finschhafen, Papua New Guinea. The event was registered at a depth of 61.5 km (38.2 miles).

The coordinates place the epicenter in Morobe Province, Papua New Guinea, north of the coastal town of Finschhafen. This area is part of the northern coastal region of Papua New Guinea, characterized by a mix of coastal settlements and rugged terrain.

Potential critical infrastructure in the vicinity may include coastal ports, local road networks, and airstrips serving nearby communities, given Finschhafen’s function as a regional access point.

There is no tsunami threat associated with this earthquake, based on its location and available data.

The significance index is 482 (on a scale that runs through 1 000), based on magnitude, felt reports, and estimated impact.

Papua New Guinea lies on the active Pacific Ring of Fire, where the Pacific and Australian plates converge, resulting in frequent seismic activity and complex tectonic interactions.

This information was last updated at 17:06 UTC on June 19, 2025.

Source: https://earthquake.usgs.gov/earthquakes/eventpage/us6000ql8u