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DANGEROUS PLANET. Catastrophic Events on Earth. Major Earthquakes. 1964 –Prince William Sound, Alaska Largest quake ever recorded, 9.2 magnitude. Alaska - 1964. The Alaska quake triggered tsunamis that caused extensive damage all along the coast. Chile – 1960.
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DANGEROUS PLANET Catastrophic Events on Earth
Major Earthquakes 1964 –Prince William Sound, Alaska Largest quake ever recorded, 9.2 magnitude
The Alaska quake triggered tsunamis that caused extensive damage all along the coast.
Chile – 1960 • Recorded at 8.6 magnitude, before invention of the Richter Scale. • Later calculations indicate it was more like 9.5! • Caused major damage to the coast of South America, but also caused a tsunami that Hilo, Hawaii. • 1700 people killed
Kobe, Japan - 1995 • 7.2 Quake, 6,394 people dead, $99 Billion in damage
Tangshan, China - 1976 • 7.8 magnitude, 255,000 people killed. 165,000 severely injured.
Haiti - 2010 • 7.2 magnitude • 220,000 killed • 1,000,000 homeless • 30,000 commercial buildings ruined • 250,000 homes ruined
Tsunami, Indonesia - 2004 • Triggered by 9.2 Earthquake in the Pacific Ocean • 230,00 people killed
Major Volcanic Eruptions • Mt Vesuvius, Italy - best known for its eruption in AD 79 that led to the burying and destruction of the Roman cities of Pompeii and Herculaneum.
Krakatoa (Island near Indonesia) • Exploded in 1883, killing at least 40,000 people • Thought to be the loudest sound observed in human history, heard 3000 miles away!
Mount Pinatubo, Philippines • 1991 - one of the 2 0r 3 largest eruptions ever known. • In all, the eruption ejected about ten cubic kilometers (2.5 mile³) of material, 10 times more than Mount St. Helens • About only 800 people killed, most had been evacuated.
Kīlauea, Hawaii • Active Volcano on the big island of Hawaii, one of the most active in the world. • Erupts frequently but not as explosive as others. Famous for its lava flows.
Mount St. Helens • Mount St. Helens is most famous for its catastrophic eruption on May 18, 1980. • Triggered a 5.0 earthquake • Massive debris flow and avalanche • Ash drifted all the way to Montana