Cylus is a modern English respelling of the name Silas, which is a short form of the Greek name Silouanos, which is a variant of the Latin name Silvanus, which is derived from the Latin word silva, meaning wood, forest.. Tweet.
The modified mercalli intensity scale is used to measure the intensity of an earthquake and is in part derived from the damage done to building and other structures. Edit Share to:
If it is a large earthquake (greater than 8.0) they will use the moment magnitude scale. If they are interested in the damage caused by an earthquake and the level of ground shaking in a specific area they will use an intensity scale.