Copyright Information: All images are in the public domain and available for free. If you use this image, credit NOAA/NGDC, M. Mehrain, Dames and Moore. |
Parapet and partial roof collapse of Rasht City Hall. In the towns, building collapse resulted primarily from the rupture of poorly welded connections in steel frames, and from the heavy weight of ceiling and roof masonry. Image Credit: M. Mehrain. Dames and Moore June 20, 1990 Northern Iran earthquake A magnitude 7.7 earthquake occurred in the Gilan Province between the towns of Rudbar and Manjil in northern Iran on Thursday, June 21, 1990 (June 20 at 21:00 GMT). The event, the largest ever to be recorded in that part of the Caspian Sea region, may have been composed of two or more closely-spaced earthquakes occurring in rapid succession. These quakes, exceptionally close to the surface for this region, were also unusually destructive. Event Data:
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