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Earthquake intensity is measured using the Modified Mercalli Scale. That is basically a 'subjective' scale (as opposed to the Richter scale, which measures magnitude), because intensity is measured by the impact is is reported to have on people and their property, as reported by them.
So a big earthquake like 8 on the Richter scale can have a low intensity if it happens in an area where few people live. A small earthquake can be high-intensity if it happens in a crowded area with many ramshackle houses.
What else can I help you with?
How does an intensity 5 earthquake differ from an intensity 7 earthquake?
An intensity 5 earthquake is considered moderate and can cause shaking that is felt by many people, potentially causing slight damage to buildings. In comparison, an intensity 7 earthquake is considered major and can cause widespread damage, including collapse of buildings and infrastructure. The shaking intensity and potential impact on structures and people are significantly higher in an intensity 7 earthquake compared to intensity 5.
Which scale provides intensity maps of earthquake damage?
The seismic scale that measures the intensity of earthquake damage is called the Mercalli intensity scale. This scale measures the effect an earthquake has on people and surroundings.
How a magnitude-8.0 earthquake could be classified as a low-intensity earthquake?
A magnitude of 8.0 earthquake could be classified as a low intensity by descriptions of damage to buildings and terrain. The intensity is often greatest near the earthquakes epicenter.
How a magnitude earthquake could be classified as a low-intensity earthquake?
A magnitude of 8.0 earthquake could be classified as a low intensity by descriptions of damage to buildings and terrain. The intensity is often greatest near the earthquakes epicenter.
What is Phivolcs earthquake intensity scale?
The Phivolcs Earthquake Intensity Scale is used to measure the intensity of earthquakes in the Philippines, ranging from Intensity I (not felt) to Intensity X (damaging). It is a subjective scale based on observed effects on people, buildings, and the environment rather than on the magnitude of the earthquake itself.
What was the intensity of the 1906 San Francisco earthquake?
According to the US Geological Survey, the 1906 earthquake reached a maximum intensity of 9 on the Modified Mercalli Intensity scale.
How are earthquake magnitude and intensity measured?
Earthquake magnitude is measured using a number of differing scales including the Richter scale, the moment magnitude scale and the surface magnitude scale. Intensity is measured using he Modified Mercalli intensity scale.
Why do earthquake's impacts vary?
differences in earthquake intensity; differences in demographics at/near the earthquake site
What is the intensity of Mexico City earthquake?
It had an intensity of 8.1 on the Righter magnitude scale. As a means of comparison, it had an intensity of roughly 100 times than that of the 1989 Loma Prieta earthquake.
What scale is used by PAGASA to measure the intensity of an earthquake?
PAGASA uses the Modified Mercalli Intensity (MMI) scale to measure the intensity of an earthquake in the Philippines. This scale assesses the effects of an earthquake on people, structures, and the environment rather than measuring the actual energy released by the earthquake.
What was the intensity of the Indian Ocean earthquake?
the intensity was high reaching an 98 ftTsunami
Is the greatest intensity of an earthquake always found in the epicenter?
No, the greatest intensity of an earthquake is not always found at the epicenter. The intensity of an earthquake can vary at different locations depending on the distance from the epicenter, the depth of the earthquake, and the local geological conditions. In some cases, the intensity may be greater at locations further away from the epicenter due to the way seismic waves propagate.
