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|aftershocks = 4,465 (122 felt) (as of December 31, 2013) |casualties = 222 dead; 8 missing; 976 injured〔 }} The 2013 Bohol earthquake occurred on October 15 at (PST) in Bohol, an island province located in Central Visayas, Philippines. The magnitude of the earthquake was recorded at Mw 7.2, with epicenter of Sagbayan, and its depth of focus was .〔 It affected the whole Central Visayas region, particularly Bohol and Cebu. The quake was felt in the whole Visayas area and as far as Masbate island in the north and Cotabato provinces in southern Mindanao. According to official reports by the National Disaster Risk Reduction and Management Council (NDRRMC), 222 were reported dead, 8 were missing, and 976 people were injured. In all, more than 73,000 structures were damaged, of which more than 14,500 were totally destroyed.〔 It was the deadliest earthquake in the Philippines in 23 years. The energy released by the quake was equivalent to 32 Hiroshima bombs. Previously, Bohol was also hit by an earthquake on February 8, 1990 that damaged several buildings and caused a tsunami. On November 7, just 3 weeks after the quake, Super Typhoon Haiyan (Yolanda) struck the region. Although the storm's eye missed the area affected by the earthquake, it sent some 40,000 Boholanos still living in temporary shelters back to evacuation centers and disrupted relief efforts in the province. ==Geology== Initially it was thought that the epicenter was east of Carmen, Bohol, triggered by the East Bohol Fault.〔 But according to the Philippine Institute of Volcanology and Seismology (PHIVOLCS), the 7.2 earthquake may have been caused by a previously undiscovered fault line transecting Bohol running ENE-WSW parallel to the island's northwest coast. This was apparent in the pattern of epicenters of the subsequent aftershocks. On October 20, a team of state volcanologists led by Dr. Teresito Bacolcol had discovered the theorized new fault (now named North Bohol Fault) in Inabanga, a town north of the epicenter. Vertical displacement, as much , was noted in the landscape of the town. According to experts, the fault may be as much as long. It was also noted that Bohol gained around 500 meters more of shoreline due to the quake and shifted west towards Cebu Island. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「2013 Bohol earthquake」の詳細全文を読む スポンサード リンク
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