Today in Earthquake History

Earthquake History for July 30th

  •  M8.0 - Chile, 1995

    Three people were killed, 58 injured, 630 left homeless and 115 houses destroyed (VII) in the Antofagasta area. Landslides blocked several roads in the Antofagasta area. One person was injured at Mejillones. Several houses were damaged at Calama, Mejillones, San Pedro de Atacama, Taltal and Tocopilla. Felt (VI) at Baquedano, Chuquicamata, Copiapo, Diego de Almagro, Inca de Oro, Iquique, Mejillones, Peine, Sierra Gorda, Taltal, Tierra Amarilla and Tocopilla; (V) at Chanaral, El Salvador, Huasco and Vallenar; (IV) at Arica, Caldera and La Serena. Felt in Buenos Aires, Cordoba, Jujuy, La Rioja, Mendoza, Salta and San Juan Provinces and as far away as Buenos Aires, Argentina. Also felt in southern Peru and (III) at La Paz, Bolivia. Tsunami generated with maximum wave heights (peak- to-trough, in cm) recorded at the following selected tide stations: 55 at Valparaiso, Chile; 10 on Easter Island; 75 at Hilo, 70 at Kahului, 15 at Honolulu and 12 at Nawiliwili, Hawaii; 27 at Crescent City, 25 at Santa Monica, 11 at San Diego and 10 at Los Angeles, California; 30 at Adak, 21 at Sand Point, 20 on Shemya, 10 at Kodiak and 9 at Seward, Alaska; 25 at Pago Pago, American Samoa; 9 at Papeete, Tahiti; 29 at Miyako and 26 at Hachinohe, Japan.
    From Significant Earthquakes of the World 1995.
  •  M7.6 - Alaska, 1972

    One of the Largest Earthquakes in the United States.
    At Sitka, a few chimneys fell and some minor landslides were reported. Slight damage also was sustained at Hoonah, Juneau, Pelican, and Yakutat. The Fairweather fault ruptured over a length of 75 kilometers. Seiches were observed in swimming pools as far south as Seattle, Washington.
  •  M6.8 - Iran, 1970

    This damaging earthquake rolled through northeast Iran, killing 176, injuring 483, and leaving an estimated 10,000 homeless. About 100 small villages were affected to some degree; most were located between Mashed, near the Afghanistan border, and Gorgan, on the Caspian Sea. Extensively damaged villages included Qapan, Shahabad, Maraveh Tappeh, Gonbad-e Kavus, Bojnurd, and Sabzevar.
    From Significant Earthquakes of the World 1970, and Earthquake Information Bulletin, Volume 2, Number 6.
  •  M7.5 - China, 1917

    Over 1800 dead.
    One of the world's deadliest earthquakes.
    Many houses collapsed in the Hengjiang and Daguan River Valleys. An iron chain bridge at Yanjin was turned upside down and several stone bridges collapsed. Rockslides blocked the Daguan River, causing the water to flow back upstream for several kilometers.

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