• Philippines: reported earthquakes intensity-based from hypocenter in Davao Oriental 2019

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As a result of a magnitude 6.2 earthquake that occurred on May 31, 2019 in Davao Oriental, a PEIS intensity level of five was reported in the areas of Governor Generoso and Mati City 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 effect to people, structures and objects in the surroundings. An intensity scale of five corresponds to a strong effect, with earthquake generally felt by most people indoors and outdoors.

Effect of the earthquake occurring in Davao Oriental in the Philippines on May 31, 2019, by province affected (in intensity on PEIS intensity scale)

	Intensity on the PEIS
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Release date

August 2020

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Region

Philippines

Survey time period

May 31, 2019

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.