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- زلزال آيرونديل 1916 هو زلزالٌ وقعَ في آيرونديل في الولايات المتحدة بتاريخ 18 أكتوبر 1916. (ar)
- The 1916 Irondale earthquake struck in the north–central region of the U.S. state of Alabama on October 18. The strongest earthquake in state history, it registered an estimated Richter scale magnitude of 5.1 and resulted in extensive, but minor damage. This damage, limited to Shelby and Jefferson counties, reached its maximum severity near the epicenter in the city of Irondale, including cracked windows, fallen chimneys, and dried-up wells. While there were no fatalities, the earthquake spawned widespread panic, sending alarmed workers from tall buildings. The earthquake originated in the Eastern Tennessee Seismic Zone, a fault noted for earthquakes of moderate magnitude. Faulting in the area is strike-slip-oriented, probably because of the Alabama-New York Lineament, which runs adjacent to the seismic zone. Several scientists believe that small earthquakes from the zone indicate the reactivation of deep, ancient faults. Alabama has seen roughly 20 earthquakes since the beginning of the 20th century. The earthquakes have been moderate, never reaching above magnitude 5.1, and they tend to cause damage only near their epicenters while reaching areas much further away. Major events include those in 1916, 1997, and 2003. Despite the lack of powerful seismic events in Alabama, earthquakes from nearby fault zones, including the New Madrid Seismic Zone, pose a serious threat to infrastructure. Even an earthquake similar in size to the 1916 Irondale event today could damage thousands of buildings and cause up to $1 billion in damage. (en)
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- 16889 (xsd:nonNegativeInteger)
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- Alabama (en)
- United States (en)
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- Map showing epicenter of the earthquake and major cities near it. (en)
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- The earthquake happened at daybreak [...] and was preceded by a rumbling noise like the discharge of a heavy cannon in the distance [...] First came the explosion, then the heaving of the earth, the swaying of the trees, the creaking of the trees and the crash of falling things.
Report in Press-Register, February 1886 (en)
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- زلزال آيرونديل 1916 هو زلزالٌ وقعَ في آيرونديل في الولايات المتحدة بتاريخ 18 أكتوبر 1916. (ar)
- The 1916 Irondale earthquake struck in the north–central region of the U.S. state of Alabama on October 18. The strongest earthquake in state history, it registered an estimated Richter scale magnitude of 5.1 and resulted in extensive, but minor damage. This damage, limited to Shelby and Jefferson counties, reached its maximum severity near the epicenter in the city of Irondale, including cracked windows, fallen chimneys, and dried-up wells. While there were no fatalities, the earthquake spawned widespread panic, sending alarmed workers from tall buildings. (en)
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- زلزال آيرونديل 1916 (ar)
- 1916 Irondale earthquake (en)
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