Dehno (Assaluyeh) Earthquake of 22 January 1950, Mw 5.9 – International Institute of Earthquake Engineering and Seismology

Dehno (Assaluyeh) Earthquake of 22 January 1950, Mw 5.9

The earthquake, centered in a small coastal valley southeast of Assaluyeh, damaged villages extending along about 50km between Assaluyeh and Gavbandi. Its magnitude was estimated at 5.9 The instrumental epicentre recalculated by Nowroozi (1971) is located at 27°.22’ N, 53°.04’E at the southeastern end of t he macroseismic region. The villages of Dehno, Akhand, Askari, Khiaru, Bostanu, Einossadeh, and Berkeh Dogan were completely destroyed, and a total of about 30 people were killed. Assalu, Daruk, Kolluz, Chah Mobarak, Maru, Dozdoneh, Nahir, Bandu, Amani, Gavbandi and Faryab were severely damaged. Many rockfalls occurred in the mountains bordering the valley in the northeast. Minor damage was reported from Taheri, and the shock was strongly felt in Kangan and Bushehr. Eleven aftershocks were felt in the epicentral region on the same day as the mainدshock. The strongest aftershock occurred on the 2nd of February at about 8 p.m. (local time).