1923 Great Kanto earthquake | |
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| Total costs | 600000000 paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid |
| Deaths | 142800 |
The Great Kantō earthquake (関東大地震, Kantō dai-jishin; Kantō ō-jishin) struck the Kantō Plain on the main Japanese island of Honshū at 11:58:44 JST (02:58:44 UTC) on Saturday, September 1, 1923. Varied accounts indicate the duration of the earthquake was between four and ten minutes. Extensive firestorms and even a fire whirl added to the death toll. Ethnically-charged civil unrest after the disaster (i.e. the Kantō Massacre) has been documented. The earthquake had a magnitude of 7.9 on the moment magnitude scale (Mw ), with its focus deep beneath Izu Ōshima Island in Sagami Bay. The cause was a rupture of part of the convergent boundary where the Philippine Sea Plate is subducting beneath the Okhotsk Plate along the line of the Sagami Trough.Since 1960, the September 1st has been designated by the Japanese government as Disaster Prevention Day (防災の日, Bōsai no hi), or a day in remembrance of and to prepare for major natural disasters including tsunami and typhoons. Drills as well as knowledge promotion events are centered around that date as well as awards ceremonies for people of merit.
Source: Wikipedia 1989 Loma Prieta earthquake | |
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| Total costs | 6000000000 paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid paid |
| Deaths | 63 |
The 1989 Loma Prieta earthquake occurred on California's Central Coast on October 17 at 5:04 p.m. local time. The shock was centered in The Forest of Nisene Marks State Park in Santa Cruz County, approximately 10 mi (16 km) northeast of Santa Cruz on a section of the San Andreas Fault System and was named for the nearby Loma Prieta Peak in the Santa Cruz Mountains. With an Mw magnitude of 6.9 and a maximum Modified Mercalli intensity of IX (Violent), the shock was responsible for 63 deaths and 3,757 injuries. The Loma Prieta segment of the San Andreas Fault System had been relatively inactive since the 1906 San Francisco earthquake (to the degree that it was designated a seismic gap) until two moderate foreshocks occurred in June 1988 and again in August 1989. Damage was heavy in Santa Cruz County and less so to the south in Monterey County, but effects extended well to the north into the San Francisco Bay Area, both on the San Francisco Peninsula and across the bay in Oakland. No surface faulting occurred, though many other ground failures and landslides were present, especially in the Summit area of the Santa Cruz Mountains. Liquefaction was also a significant issue, especially in the heavily damaged Marina District of San Francisco, but its effects were also seen in the East Bay, and near the shore of Monterey Bay, where a non-destructive tsunami was also observed.Because it happened during a national live broadcast of the 1989 World Series, taking place between Bay Area teams San Francisco Giants and the Oakland Athletics, it is sometimes referred to as the 'World Series earthquake', with the championship games of the year being referred to as the 'Earthquake Series'. Rush-hour traffic on the Bay Area freeways was lighter than normal because the game, being played at Candlestick Park in San Francisco, was about to begin, and this may have prevented a larger loss of life, as several of the Bay Area's major transportation structures suffered catastrophic failures. The collapse of a section of the double-deck Nimitz Freeway in Oakland was the site of the largest number of casualties for the event, but the collapse of man-made structures and other related accidents contributed to casualties occurring in San Francisco, Los Altos, and Santa Cruz.
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