Magnitude 5.5 Earthquake Hit in Guam region, South of Mariana Islands

- Time: 2024-04-16 at 14:58:55 UTC
             2024-04-17 at 00:58:55 GMT-10
- Location: 12.94° LAT, 145.38° LON
- Magnitude: mb5.5
- Depth: 10 km
- Focal mechanism: Thrust Fault
- Provider: USGS, GlobalCMT


Picture 1: Location of the magnitude 5.5 earthquake in Guam region, South of Mariana Islands.

The earthquake occurred under INCREASED seismic hazard exposure (yellow alert), according to Quantectum’s automatic alert field estimation.


Picture 2: Picture showing increased hazard exposure in the region of the earthquake.

Quantectum’s Macroseismic Intensity map indicates that the earthquake reached level “IV” macroseismic intensity, which was associated with MODERATE shaking and potential no damage to the infrastructure. Potentially exposed cities were Talafofo Village (pop. 3,000), Yona Village (pop. 6,000), Mangilao Village (pop. 15,000), Yigo Village (pop. 21,000), Barrigada Village (pop. 9,000), Dededo Village (pop. 45,000), Mongmong-Toto-Maite Village (pop. 7,000), Chalan Pago-Ordot Village (pop. 7,000), Tamuning (pop. 20,000), Tamuning-Tumon-Harmon Village (pop. 20,000), Agana Heights Village (pop. 4,000), Hagatna (pop. 1,000), Santa Rita Village (pop. 8,000), and Agat Village (pop. 6,000).


Picture 3: Macroseismic Intensity map for the magnitude 5.5 earthquake in Guam region, South of Mariana Islands.

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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