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:
The modified Mercalli scale used for these maps divides the intensity of the earthquake into twelve groups. Roman numerals I to XII are used to show the affects of the earthquake. Officials use intensity maps.