One is that sedimentation projections are not agreed upon, and the other is that the dam sits on a seismic fault.
By the time of the plant's completion in 1973, a seismic fault, the Hosgri fault, had been discovered several miles offshore.
Chalandritsa is at the edge of a seismic fault, which caused a minor earthquake in February 2008.
Local experts consider the Sitakunda-Teknaf fault to be one of the two most active seismic faults in Bangladesh.
Active seismic faults run across the island, and some environmentalists argue Taiwan is unsuited for nuclear plants.
The major seismic faults in Taiwan correspond to the various suture zones between the various terranes.
It is also possible that the dam sits on a seismic fault.
There are also several seismic faults within the watershed.
Madam President, Turkey lies on a seismic fault running from east to west.
We could also beam a detonator into a seismic fault.