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The Modified Mercalli intensity scale (MM, MMI, or MCS) measures the effects of an earthquake at a given location. This is in contrast with the seismic magnitude usually reported for an earthquake. Magnitude scales measure the inherent force or strength of an earthquake – an event occurring at greater or lesser depth.
The Mercalli intensity scale uses personal reports and observations to measure earthquake intensity but PGA is measured by instruments, such as accelerographs. It can be correlated to macroseismic intensities on the Mercalli scale [3] but these correlations are associated with large uncertainty.
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What is a Modified Mercalli intensity scale?
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What is the difference between PGA and Mercalli scale?
That gave the Mercalli Scale, as well as the followed European MSK-64 scale, the quantitative element, which represents the vulnerability of the building's type. Since then, that scale was called the Modified Mercalli intensity scale - MMS and the evaluations of
The PHIVOLCS earthquake intensity scale ( PEIS; Filipino: Panukat ng Pagyanig ng Lindol) [1] is a seismic scale used and developed by the Philippine Institute of Volcanology and Seismology (PHIVOLCS) to measure the intensity of earthquakes . It was developed as upon a specific response to the 1990 Luzon earthquake.
Intensity ScaleDescriptionDescriptionEquivalent To Other ...(modified Mercalli)IScarcely perceptible ( Napakahina )Perceptible to people under favorable ...IIISlightly felt ( Bahagyang naramdaman )Felt by few individuals at rest indoors.IIIIIWeak ( Mahina )Felt by many people indoors especially in ...IIIIVModerately strong ( Bahagyang malakas )Felt generally by people indoors and by ...IVMuch like the Mercalli scale, the JMA scheme quantifies how much ground-surface shaking takes place at measurement sites distributed throughout an affected area. Intensities are expressed as numerical values called shindo (震度, "seismic intensity"); the higher the value, the more intense the shaking.
It had a magnitude of 6.7 M s and a maximum felt intensity of IX (violent) on the Modified Mercalli intensity scale (MMI). The epicentre was at the western end of the Alkyonides Gulf and involved rupture of the Pisia Fault and possibly the Skinos Fault.
Modified Mercalli intensity scale#Modified Mercalli intensity scale To a section: This is a redirect from a topic that does not have its own page to a section of a page on the subject. For redirects to embedded anchors on a page, use {{R to anchor}} instead.
