Magnitude 5.4 Earthquake Occurred in Volcano Islands, Japan

- Time: 2024-03-18 at 11:04:38 UTC
             2024-03-18 at 21:04:38 GMT-10
- Location: 24.32° LAT, 142.88° LON
- Magnitude: Mww5.4
- Depth: 10 km
- Provider: USGS, USGS_Quakes


Picture 1: Location of the magnitude 5.4 earthquake in Volcano Islands, Japan region.

The earthquake occurred in an area where we highlighted that the rotational singularity will contribute to the INCREASED seismic hazard exposure, as shown here and in the picture below.

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 Japan region.

The earthquake also happened under INCREASED seismic hazard exposure (yellow alert) linked to the increased tectonic tractions and local instabilities. See our latest weekly earthquake forecast for the Japan region, dated March 18, 2024, here.


Picture 3: Latest earthquake forecast for the Japan region, posted on March 18, 2024.

There have been no reports of damage, injuries, or casualties as a result of the earthquake so far and no particular alert was issued.

 

* 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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