21. The department has found 80 spots lying in these seismic zones , which have rural or urban habitation. 22. In 2000, a large earthquake ( M = 6.6 ) occurred in the South Iceland Seismic Zone . 23. After the earthquake, seismic zones were reclassified and building codes and standards were revised all over India. 24. Two significant historically active seismic zones occur along this system associated with northwest trending intersecting graben structures. 25. During the spreading centers and transform faults, beginning with the Brawley Seismic Zone in the Imperial Valley. 26. The sequential occurrence of major earthquakes in the South Iceland Seismic Zone provided evidence of bookshelf faulting. 27. It do come under Seismic Zone 3. 28. Volcanic activity can be found in the Dalv�k seismic zone and southern tip of the Kolbeinsey Ridge. 29. The earthquake originated in the Eastern Tennessee Seismic Zone , a fault noted for earthquakes of moderate magnitude. 30. In Southern California, a seaside metropolis with perfect weather straddles one of North America's most active seismic zones .
