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Matutum volcan

stratovolcan 2286 m / 7,500 ft
Mindanao, Philippines, 6.37°N / 125.07°E
Condition actuelle: normal / en sommeil (1 sur 5) | Reports
Matutum livres
Style éruptif tipique: explosive
Eruptions du volcan Matutum: 1911(?), 1290 ± 40 years, 170 BC ± 75, 400 BC ± 50 No recent earthquakes
HeureMag. / DepthDistanceLocation
Matutum is a symmetrical stratovolcano located in southern Mindanao, NW of Sarangani Bay and 30 km NNW of General Santos City.
The mountain, a popular hiking destination, has a well-preserved summit cone and a 320 m wide and a vegetated 120 m deep summit crater. The crater is breached by 3 large canyons.

Introduction:

The plains around Matatum volcano are covered by silicic pyroclastic-flow deposits, the youngest of which were radiocarbon dated at about 2000 years ago.
2 thermal areas, Akmoan and Lianan, are found on the WSW flank of the volcano.

Tectonic setting of Matutum volcano
Matutum volcano belongs to the Cotabato Arc, caused by the eastward subduction of the oceanic Celebes Sea microplate along the Cotabato trench under the southern tip of Mindanao Island, which belongs to the Philippine Mobile Belt. Mt Matutum is located 130 km from the trench. Deep-seismic studies show that the subducting slab is only 75-85 km below Mt Matutum volcano.
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Reference:
Yumul et al (2008) "Tectonic setting of a composite terrane: A review of the Philippine island arc system", Geosciences Journal, v 12 (1), pp 7-17

1911 possible eruption
"Smoke" (i.e. volcanic ash) was seen at the volcano on 7 March 1911. This may indicate a probably small phreatic eruption. (Neumann van Padang, 1953)

Derniers images satellite

Parker volcan

stratovolcan 1824 m / 5,984 ft
Mindanao, Philippines, 6.11°N / 124.89°E
Condition actuelle: normal / en sommeil (1 sur 5) | Reports
Parker livres
Style éruptif tipique: highly explosive
Eruptions du volcan Parker: Dec 1640- Jan 1641 (plinian eruption), 1380 ± 75 years, 1920 BC ± 40 years
HeureMag. / DepthDistanceLocation
Wed, 7 Aug 2019
Wed, 7 Aug 03:06 UTCM 2.0 / 11 km21 km016 km N 32° W of General Santos City (South Cotabato) (Philippines)
Parker volcano (also known as Falen locally) is a low, but steep-sided vegetated stratovolcano located 30 km west of General Santos City, near the southern tip of Mindanao Island, Philippines.
The andesitic-dacitic volcano contains a 2.9 km diameter summit caldera with a lake, Lake Maughan (2 km diameter).
Parker was recently identified as the source of a major explosive eruption in 1641, which caused devastating pyroclastic flows and lahars, and heavy ash fall and darkness over Mindanao Island. The 1641 eruption was one of 3 large explosions of Parker volcano within the past 3800 years. It created the present-day summit caldera.
The eruption style of Parker volcano is similar to Pinatubo volcano, which had a Plinian eruption in 1991.

2002 earthquake & crater lake landslide
A magnitude 7.5 earthquake occurred near Parker volcano on 6 March 2002 and an eruption alarm was triggered. The quake caused a portion of the volcano's crater wall to breach and fall into Lake Maughan at the top of the volcano. The landslide caused a flood from the lake that washed away houses and about 33 families were evacuated from river banks below Lake Maughan.

Derniers images satellite

 

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