• Philippines: reported earthquakes intensity-based hypocenter Occidental Mindoro 2018

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As a result of a magnitude 5.2 earthquake that occurred on January 14, 2018, in Occidental Mindoro, a PEIS intensity level of four was reported in the areas of Paluan and Mambura in the Philippines. The intensity scale was based on the PHIVOLCS Earthquake Intensity Scale, a seismic scale that measures the effect of an earthquake on a given area based on its relative impact to people, structures and objects in the surroundings. An intensity level of 4 corresponds to a moderately strong effect, with the earthquake generally felt by people indoors and by some people outdoors.

Effect of the earthquake occurring in Occidental Mindoro in the Philippines on January 14, 2018, by province affected (in intensity on PEIS intensity scale)

	Intensity on the PEIS
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Release date

September 2019

More information

Region

Philippines

Survey time period

January 14, 2018

Supplementary notes

*The intensity scale is based on PHIVOLCS Earthquake Intensity Scale (PEIS), a seismic scale used and developed by the Philippine Institute of Volcanology and Seismology (PHILVOLCS) to measure the intensity of an earthquake. The scale measures the effect of an earthquake on a given area based on its relative effect to people, structures and objects in the surroundings.

The PHIVOLCS Earthquake Intensity Scale (PEIS) is as follows:
Intensity scale 1 - scarcely perceptible.
Intensity scale 2 - slightly felt.
Intensity scale 3 – weak.
Intensity scale 4 - moderately strong.
Intensity scale 5 - strong.
Intensity scale 6 - very strong.
Intensity scale 7 - destructive.
Intensity scale 8 - very destructive.
Intensity scale 9 – devastating.
Intensity scale 10 - completely devastating.