The Big Country's basis was a serialized magazine novel.
The 1938 Kırsehir earthquake occurred at 12 :59 local time on 19 April .. It had an estimated magnitude of 6.7 and a maximum intensity of IX -LRB- Violent -RRB- on the Mercalli intensity scale , causing 224 casualties .. magnitude. Surface wave magnitude. Mercalli intensity scale. Mercalli intensity scale