搜尋結果
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.
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
其他人也問了
What is a Modified Mercalli intensity scale?
What is the Mercalli scale?
What is the mm scale?
What is the difference between PGA and Mercalli scale?
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.
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 ...IVThe Medvedev–Sponheuer–Karnik scale is somewhat similar to the Modified Mercalli (MM) scale used in the United States. The MSK scale has 12 intensity degrees expressed in Roman numerals (to prevent the use of decimals): I. Not perceptible. Not felt, registered only by seismographs.
According to the USGS PAGER service, the Modified Mercalli intensity scale (MMI) of the earthquake reached VII (Very Strong) in Les Cayes and MMI V (Moderate) in Port-au-Prince. The earthquake was also felt in Jamaica , where the intensity reached MMI IV ( Light ) in Kingston .
Later, on 12:22 PM PST; a M w 6.1 struck 9 km West of Magsaysay, Davao del Sur. Same epicenter of the foreshock. It perceived an Intensity VII (Very Strong) on the Modified Mercalli intensity scale and PHIVOLCS Earthquake Intensity Scale. Damage and aftershocks were expected after the earthquake.
