San Pablo Volcanic Field
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| San Pablo Volcanic Field | |
|---|---|
| Elevation | 1090 m |
| Location | Luzon, Philippines |
| Coordinates | 14°07′N 121°18′E / 14.12°N 121.30°ECoordinates: 14°07′N 121°18′E / 14.12°N 121.30°E |
| Type | Volcanic field |
| Last eruption | ~1350 |
Contents |
[edit] Identity
The Smithsonian Institution's Global Volcanism Program lists the San Pablo volcanic field as a recently active volcanic field with numerous geothermal areas within it.
The Philippine Institute of Volcanology and Seismology (PHIVOLCS) does not list a San Pablo volcanic field but rather lists Laguna Maars (with each individual maar detailed), and Laguna Cone Field (with each individual cone detailed), and Mount Makiling (all listed in its inactive list). These three entries, along with Laguna Caldera, probably are congruent with the Smithsonian's San Pablo volcanic field.
[edit] Smithsonian's Description
"The San Pablo volcanic field, (also known as the Laguna volcanic field ) lies at the southern end of Laguna de Bay, the largest lake on Luzon Island. The volcanic field contains dozens of scoria cones and maars. Three generations of maars are present, with the oldest being sediment-filled and the youngest containing deep lakes. Many of the maars are aligned along a NE-SW trend. Local legends suggest that the youngest maar, 1.2-km-wide Sampaloc Lake, was formed about 500-700 years ago. The high point of the volcanic field is the eroded Maquiling (Makiling) andesitic-to-rhyolitic stratovolcano, which has a deep crater whose floor is 480 m below its north rim. Maquiling has several parasitic cones, maars, and numerous thermal areas at its northern base. A geothermal project is located on the south flank of Maquiling."[1].
In the Philippines, the area is known as the Southwestern Luzon Volcanic Field.[2]
[edit] PHIVOLCS's Lists (updated)
Laguna Maars
- Lake Muhikap 14°07′30″N 121°20′28″E / 14.125°N 121.341°E
- Lake Yambo 14°07′N 121°22′E / 14.117°N 121.367°E
- Lake Pandin 14°06′43″N 121°22′08″E / 14.112°N 121.369°E
- Lake Calibato 14°05′N 121°22.5′E / 14.083°N 121.375°E
- Lake Palakpakin 14°06.5′N 121°20.5′E / 14.1083°N 121.3417°E
- Lake Bunot 14°05′N 121°20.5′E / 14.083°N 121.3417°E
- Sampaloc Lake 14°05′N 121°20′E / 14.083°N 121.333°E
- Imoc Maar 14°06.5′N 121°18′E / 14.1083°N 121.3°E
- Laguna Maar 09 14°06′N 121°18′E / 14.1°N 121.3°E
Laguna Cone Field
- Mani Hill 14°02′N 121°15.5′E / 14.033°N 121.2583°E
- Palindan Hill 14°02′N 121°15.5′E / 14.033°N 121.2583°E
- Tanza Hill 14°02′N 121°15.5′E / 14.033°N 121.2583°E
- Mount Mabilog 14°06.5′N 121°15′E / 14.1083°N 121.25°E
- Mount Mapula 14°05′N 121°17′E / 14.083°N 121.283°E
- Bunsulan Hills 14°02′N 121°14.5′E / 14.033°N 121.2417°E
- Mapait Hills 14°03′N 121°14.5′E / 14.05°N 121.2417°E
- Mount Tamlong 14°05′N 21°14.5′E / 14.083°N 21.2417°E
- Mount Buboy 14°06′N 121°14.5′E / 14.1°N 121.2417°E
- Mount Olilia 14°05′N 121°13′E / 14.083°N 121.217°E
- Mount Luyong 14°07′N 121°15′E / 14.117°N 121.25°E
- Imoc Hill 14°07′N 121°18′E / 14.117°N 121.3°E
Inactive volcanos in the Philippines contains additional information for each listed volcanic feature.
[edit] See also
- Mount Makiling
- Active volcanos in the Philippines
- Laguna Caldera
- Seven Lakes of San Pablo
- Inactive volcanos in the Philippines
[edit] External links
[edit] References
- ^ "San Pablo Volcanic Field". Global Volcanism Program, Smithsonian Institution. http://www.volcano.si.edu/world/volcano.cfm?vnum=0703-06=.
- ^ "PETROGRAPHIC ANALYSIS OF ROCKS AND SEDIMENTS AROUND THE SEVEN LAKES OF SAN PABLO, LAGUNA: IMPLICATIONS REGARDING SULFATE DISTRIBUTION AND PROVENANCE". Department of Environmental Science, Ateneo de Manila University. http://www.philjol.info/index.php/LSR/article/viewFile/289/258. Retrieved 2009-08-02.
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