1942 Niksar-Erbaa earthquake
Encyclopedia
The 1942 Niksar-Erbaa earthquake occurred at 16:03 local time on 20 December. It had an estimated magnitude
of 7.0 and a maximum felt intensity of IX (violent) on the Mercalli intensity scale
, causing 3,000 casualties.
Surface wave magnitude
The surface wave magnitude scale is one of the magnitude scales used in seismology to describe the size of an earthquake. It is based on measurements in Rayleigh surface waves that travel primarily along the uppermost layers of the earth...
of 7.0 and a maximum felt intensity of IX (violent) 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...
, causing 3,000 casualties.