USGS

Magnitude 5.5 earthquake — 116 km ESE of Madang, Papua New Guinea

A magnitude 5.5 earthquake occurred near 116 km ESE of Madang, Papua New Guinea on 2026-08-16 10:59 UTC at a depth of about 148 km, according to the U.S. Geological Survey.

Updated 2026-08-17 18:23 UTC

View the official USGS event page

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Frequently asked questions

How strong was the 116 km ESE of Madang, Papua New Guinea earthquake?

It measured magnitude 5.5 on the USGS scale. Shaking felt locally also depends on depth and distance.

Was there a tsunami?

No tsunami warning was flagged by USGS. Always follow official local guidance.

How can I get alerts for future earthquakes here?

Install the free SeismoWatch Android app, draw a box over the area, set a minimum magnitude, and turn alerts on.