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1994 Mindoro earthquake
Earthquake in the Philippines From Wikipedia, the free encyclopedia
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The 1994 Mindoro earthquake occurred at 03:15:30 PST on November 15 near Mindoro, Philippines. It had a moment magnitude of 7.1 and a maximum Rossi–Forel of VII (Very strong tremor). It is associated with a 35-kilometer-long (22 mi) ground rupture, called the Aglubang River fault.[5] Seventy eight people were reported dead,[6] and 7,566 houses were damaged. The earthquake generated a tsunami and landslides on the Verde Island.
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Earthquake
The epicenter of this earthquake was located in the Verde Island Passage, a strait separating Luzon and Mindoro. The focal mechanism showed predominantly right-lateral strike-slip faulting.[7] The released seismic moment was about 5.12×1019 Nm.[8]
Surface faulting
The Aglubang River fault, which shows a right-lateral strike-slip sense of movement, extends from Malaylay Island in the north of Oriental Mindoro to Alcate, Victoria in the south. Measurements along the rupture reveal a maximum horizontal displacement of 4 meters (13 ft) and a maximum vertical displacement of 1.9 meters (6 ft 3 in).[5][9]
Tsunami
The earthquake generated a tsunami, which affected Mindoro, the Verde Island, the Baco Islands,[10] and Luzon. Some concrete structures also suffered moderate damage in the tsunami. In Baco Islands, the vertical run-up reached 8.5 meters (28 ft). The tsunami was also recorded in Lobo.[11] The tsunami was larger than expected considering the strike-slip movement of the earthquake.[2]
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