Modified Mercalli intensity scale

E2245
earthquake intensity scale seismic intensity scale

The Modified Mercalli intensity scale is a seismic scale that qualitatively measures the observed effects and damage of an earthquake on people, structures, and the Earth's surface.

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All labels observed (2)

Label Occurrences
Mercalli intensity scale 8
Modified Mercalli intensity scale canonical 8

Statements (49)

Predicate Object
instanceOf earthquake intensity scale ⓘ
seismic intensity scale ⓘ
appliesTo Earth's surface ⓘ
people ⓘ
structures ⓘ
basedOn observed shaking ⓘ
reported human perception ⓘ
structural damage ⓘ
category Earthquake scales ⓘ
Seismology ⓘ
characterizes local shaking severity ⓘ
dependsOn building vulnerability ⓘ
distance from epicenter ⓘ
local ground conditions ⓘ
developedFrom Modified Mercalli intensity scale self-linksurface differs ⓘ
surface form: Mercalli intensity scale
differentFrom Richter magnitude scale ⓘ
moment magnitude scale ⓘ
doesNotMeasure total energy released by an earthquake ⓘ
hasLevelDescription I: Not felt ⓘ
II: Weak ⓘ
III: Weak to light ⓘ
IV: Light ⓘ
IX: Violent ⓘ
V: Moderate ⓘ
VI: Strong ⓘ
VII: Very strong ⓘ
VIII: Severe ⓘ
X: Extreme ⓘ
XI: Extreme to catastrophic ⓘ
XII: Catastrophic ⓘ
hasMaximumValue XII ⓘ
hasMinimumValue I ⓘ
hasNumberOfLevels 12 ⓘ
measurementType qualitative ⓘ
measures earthquake damage ⓘ
earthquake intensity ⓘ
observed effects of earthquakes ⓘ
namedAfter Giuseppe Mercalli ⓘ
usedBy United States Geological Survey ⓘ
emergency managers ⓘ
engineers ⓘ
planners ⓘ
usedFor describing earthquake effects at specific locations ⓘ
historical earthquake analysis ⓘ
mapping earthquake intensity distribution ⓘ
post-earthquake damage assessment ⓘ
usedIn earthquake engineering ⓘ
seismology ⓘ
usesRomanNumerals true ⓘ

Referenced by (16)

Full triples — surface form annotated when it differs from this entity's canonical label.

1906 San Francisco earthquake → intensityScale → Modified Mercalli intensity scale ⓘ
Modified Mercalli intensity scale → developedFrom → Modified Mercalli intensity scale self-linksurface differs ⓘ
this entity surface form: Mercalli intensity scale
Giuseppe Mercalli → knownFor → Modified Mercalli intensity scale ⓘ
this entity surface form: Mercalli intensity scale
Giuseppe Mercalli → notableWork → Modified Mercalli intensity scale ⓘ
this entity surface form: Mercalli intensity scale
Giuseppe Mercalli → developed → Modified Mercalli intensity scale ⓘ
this entity surface form: Mercalli intensity scale
Richter magnitude scale → comparedWith → Modified Mercalli intensity scale ⓘ
this entity surface form: Mercalli intensity scale
1992 Cape Mendocino earthquakes → intensityScale → Modified Mercalli intensity scale ⓘ
Mercalli → knownFor → Modified Mercalli intensity scale ⓘ
subject surface form: Giuseppe Mercalli
this entity surface form: Mercalli intensity scale
Mercalli → hasNotableAssociation → Modified Mercalli intensity scale ⓘ
this entity surface form: Mercalli intensity scale
1986 San Salvador earthquake → intensityScale → Modified Mercalli intensity scale ⓘ
2010 Haiti earthquake → intensityScale → Modified Mercalli intensity scale ⓘ
2005 Nias–Simeulue earthquake → maximumIntensityScale → Modified Mercalli intensity scale ⓘ
2019 Ridgecrest earthquakes → intensityScale → Modified Mercalli intensity scale ⓘ
2010 Canterbury earthquake → intensityScale → Modified Mercalli intensity scale ⓘ
1968 Borrego Mountain earthquake → intensityScale → Modified Mercalli intensity scale ⓘ
1908 Messina earthquake → intensityScale → Modified Mercalli intensity scale ⓘ
this entity surface form: Mercalli intensity scale