Smith Volcano, also known as Mount Babuyan, is a
cinder cone
A cinder cone (or scoria cone) is a steep conical hill
A conical hill (also cone or conical mountain) is a landform with a distinctly conical shape. It is usually isolated or rises above other surrounding foothills, and is often of volcanic ...
on
Babuyan Island, the northernmost of the
Babuyan group of islands
The Babuyan Islands ( ), also known as the Babuyan Group of Islands, is an archipelago in the Philippines, located in the Luzon Strait north of the main island of Luzon and south of Taiwan via Bashi Channel to Luzon Strait. The archipelago consi ...
on
Luzon Strait
The Luzon Strait (Tagalog: ''Kipot ng Luzon'', ) is the strait between Taiwan and Luzon island of the Philippines. The strait thereby connects the Philippine Sea to the South China Sea in the western Pacific Ocean.
This body of water is an i ...
, north of the main island of
Luzon
Luzon (; ) is the largest and most populous island in the Philippines. Located in the northern portion of the Philippines archipelago, it is the economic and political center of the nation, being home to the country's capital city, Manila, ...
in the
Philippines
The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no),
* bik, Republika kan Filipinas
* ceb, Republika sa Pilipinas
* cbk, República de Filipinas
* hil, Republ ...
. The mountain is one of the
active volcanoes in the Philippines, which last erupted in 1924.
The volcano is politically located in the
Municipality of Calayan,
Cagayan
Cagayan ( ), officially the Province of Cagayan ( ilo, Probinsia ti Cagayan; ibg, Provinsiya na Cagayan; itv, Provinsiya ya Cagayan; fil, Lalawigan ng Cagayan), is a province in the Philippines located in the Cagayan Valley region, covering ...
province, the town that has jurisdiction over the Babuyan Islands except
Fuga Island.
Physical features
The sparsely-vegetated
cinder cone
A cinder cone (or scoria cone) is a steep conical hill
A conical hill (also cone or conical mountain) is a landform with a distinctly conical shape. It is usually isolated or rises above other surrounding foothills, and is often of volcanic ...
is high with a base diameter of .
[ Layers of ]basaltic
Basalt (; ) is an aphanitic (fine-grained) extrusive igneous rock formed from the rapid cooling of low-viscosity lava rich in magnesium and iron (mafic lava) exposed at or very near the surface of a rocky planet or moon. More than 90% ...
lava flows are evident south of the volcano.["Smith Volcano, Cagayan, Cagayan Valley, Philippines"]
Google Map. Retrieved on December 26, 2013.
Smith Volcano is one of the probably five Pleistocene-to-Holocene volcanic centers on Babuyan Island (also known as Babuyan de Claro Island) with Smith, the youngest volcano on the island. The largest on the island is Babuyan Claro (also known as ''Mt. Pangasun''), an active stratovolcano
A stratovolcano, also known as a composite volcano, is a conical volcano built up by many layers (strata) of hardened lava and tephra. Unlike shield volcanoes, stratovolcanoes are characterized by a steep profile with a summit crater and p ...
with two well-preserved summit craters in diameter, located in the center of the island.[ Babuyan Claro is about peak-to-peak southeast of Smith Volcano, which is the north-westernmost summit on the triangular-shaped island.]
Eruptions
Smith Volcano has erupted six times, the last of which was in 1924.[
]
Emergency investigation of 1993
A team of volcanologists from the Philippine Institute of Volcanology and Seismology
The Philippine Institute of Volcanology and Seismology (PHIVOLCS, ; tl, Surian ng Pilipinas sa Bulkanolohiya at Sismolohiya) is a Philippine national institution dedicated to provide information on the activities of volcanoes, earthquakes, and ...
(PHIVOLCS) Quick Response Team conducted an investigation on July 8, 1993 following reports of unusual volcanic activity at Babuyan Island. Results of the survey showed that Smith Volcano was quiet with no volcanic earthquake A volcano tectonic earthquake is caused by the movement of magma beneath the surface of the Earth. The movement results in pressure changes where the rock around the magma has experienced stress. At some point, this stress can cause the rock to bre ...
s recorded during the survey.
See also
* List of potentially active volcanoes in the Philippines
This is a list of potentially active volcanoes in the Philippines, as classified by the Philippine Institute of Volcanology and Seismology.
List
See also
* List of active volcanoes in the Philippines
* List of inactive volcanoes in th ...
* List of inactive volcanoes in the Philippines
This is a list of inactive volcanoes in the Philippines. Volcanoes with no record of eruptions are considered as extinct or inactive. Their physical form since their last activity has been altered by agents of weathering and erosion with the fo ...
References
External links
Philippine Institute of Volcanology and Seismology (PHIVOLCS) Smith Volcano Page
{{Volcanoes of the Philippines
Stratovolcanoes of the Philippines
Volcanoes of the Luzon Strait
Mountains of the Philippines
Active volcanoes of the Philippines
Landforms of Cagayan