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1994 Mindoro earthquake

Earthquake in the Philippines

Field	Value
title	1994 Mindoro earthquake
timestamp	1994-11-14 19:15:30
anss-url	usp0006nn2
isc-event	141635
local-date	November 15, 1994
local-time	03:15 PST
map	Shake Map Mindoro 1994.jpg
map2	{{Location map	Philippines
relief	1
label	Verde Island Passage
lat	13.525
long	121.067
mark	Bullseye1.png
marksize	40
position	top
width	260
float	right
caption	}}
magnitude	7.1
depth	31.5 km
location
type	Strike-slip
countries affected	Philippines
tsunami	Yes
intensity
casualties	78 killed, 225–340 injured
caption	Damaged house in Calapan City

| anss-url = usp0006nn2 | isc-event = 141635 | local-date = November 15, 1994 | local-time = 03:15 PST 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 km ground rupture, called the Aglubang River fault. Seventy eight people were reported dead, and 7,566 houses were damaged. The earthquake generated a tsunami and landslides on the Verde Island.

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. The released seismic moment was about 5.12×1019 Nm.

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 m and a maximum vertical displacement of 1.9 m.

Tsunami

The earthquake generated a tsunami, which affected Mindoro, the Verde Island, the Baco Islands, and Luzon. Some concrete structures also suffered moderate damage in the tsunami. In Baco Islands, the vertical run-up reached 8.5 m. The tsunami was also recorded in Lobo. The tsunami was larger than expected considering the strike-slip movement of the earthquake.

References

"Today in Earthquake History". United States Geological Survey.
"15 November 1994, Mw 7.1, Mindoro, Philippines".
Rimando, R.E., Punongbayan, R.S., Geronimo-Catane, S.G., Mirabueno, H.S., Rasdas, A.S., 1995. Ground rupture of the November 15, 1994, Oriental Mindoro (Philippines) earthquake. XXI General Assembly of IUGG, Abstracts, p. A422.
"Significant Earthquakes of the World".
(1 December 2004). "Source Characterization of the 15 November 1994, Ms 7.1 Mindoro, Philippines Earthquake".
"1994.11.14 Mindoro, Philippine".
PHIVOLCS Quick Response Teams, December 1994. PHIVOLCS Special Report No. 2. THE November 15, 1994, Mindoro Earthquake.
"Tsunamis – past and present".
"Field Survey report -Philippines Tsunami Disaster-".
(1996). "Tsunami generation by horizontal displacement of ocean bottom". Geophysical Research Letters.
(November 14, 1994). "M 7.1 – Mindoro, Philippines". United States Geological Survey.

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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