Magnitude 5.6 Earthquake Occurred in New Britain Region, P.N.G


- Time: 2024-05-10 at 11:48:41 UTC
              2024-05-10 at 21:48:41 Port Moresby
- Location: -5.23° LAT, 151.89° LON
- Magnitude: Mww5.6
- Depth: 37 km
- Provider: USGS


Picture 1: Location of the magnitude 5.6 earthquake in New Britain Region, P.N.G.

The earthquake occurred due to the rotational singularity (marked with a black ellipse) that is present in New Britain Region. We posted about it on May 7, 2024, and is accessible here.

Rotational singularity can occur when the fault planes are "infinitely" close to each other or the theoretically infinite shear- and normal tractions are associated with finite (micro)rotations within infinitely small regions (volumes of rocks). In practice, this happens when tectonic waves with low Cosserat lengths (generally) interact with each other within a region. Its shape can be elongated (like e.g. before the Great Noto Earthquake in Japan) or circular. 


Picture 2: Post about rotational singularity influencing earthquake triggering in New Britain Region, P.N.G.

The earthquake occurred in an area where we announced HIGH seismic hazard exposure (orange alert) in our latest weekly earthquake forecast for the New Britain Region, on May 6, 2024, available here.


Picture 3: Latest earthquake forecast for the Papua New Guinea region, posted on May 6, 2024.

 

Quantectum's Macroseismic Intensity map suggests "VI" as a maximum intensity, which corresponds to STRONG shaking and SLIGHT damage around the epicenter. Potentially exposed cities were Kokopo (pop. 26,000) and Rabaul (pop. 8,000).


Picture 4: Macroseismic Intensity map for the magnitude 5.6 earthquake in New Britain Region, P.N.G.

There have been no reports of damage, injuries, or casualties as a result of the earthquake so far.

 

* The exact information about the magnitude, epicenter, and depth of the earthquake might be revised within the next few hours as seismologists review data and refine their calculations, or as other data providers issue their reports.
** The information provided is a product of Quantectum's own system, please tag Quantectum when sharing it. For more detailed information, contact us by email.

 

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