1653 East Symirna earthquake
Encyclopedia
The 1653 East İzmir earthquake occurred on 23 February, with an estimated magnitude of 7.5 and a maximum felt intensity of X (Intense) on the Mercalli intensity scale
Mercalli intensity scale
The Mercalli intensity scale is a seismic scale used for measuring the intensity of an earthquake. It measures the effects of an earthquake, and is distinct from the moment magnitude M_w usually reported for an earthquake , which is a measure of the energy released...

.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK