Mt. Kurikoma Coughs, Still Comatose!

The Year of Volcanoes, Too?

Steam, hot volcanic plumes rise near Mt. Kurikoma

Japan’s Self-Defense Forces personnel observed Monday hot volcanic plumes about seven kilometers southwest of the summit of Mt. Kurikoma, a 1,627-meter-high volcano located on the border of Miyagi, Iwate and Akita prefectures, Yomiuri Shimbun reported.

Aerial observation from a helicopter showed plumes rising from several spots near both Hanayama in Kurihara, and Yu no Hama hot-spring spa.

Sadato Ueki of Tohoku University’s Research Center for the Prediction of Earthquakes and Volcanic Eruptions said the plumes might be volcanic gases rising to the surface, or steam coming from underground hot water channels whose course was diverted by the powerful Mw 6.8 quake Saturday. The Iwate quake struck about 22km NW of the Mt. Kurikoma summit.

“There’s a possibility that volcanic gases that had been confined below ground are gushing out through fissures in the mountain created by the earthquake,” he said. However, he ruled out increased volcanic activity on Mt. Kurikoma, because the plumes were very far from the volcano’s summit.

Kurikoma volcano last erupted in 1950.

MT. KURIKOMA is a dormant stratovolcano stretching across three prefectures (states) of Miyagi, Iwate and Akita, standing high at an altitude of 1,627.7m.

Kurikoma volcano seen from the SSE with its summit at the right-center, the satellitic cone of Daichimori on the left, and Higashi-Kurikoma on the right. On the opposite side of the volcano, the summit is cut by a 4-km-wide caldera breached to the north that is partially filled by the Tsurugi-dake central cone, once mined for sulfur. (Caption: Source) Image Copyright: Shingo Takeuchi (Japanese Quaternary Volcanoes database, RIODB, http://www.aist.go.jp/RIODB/strata/VOL_JP/index.htm). See FEWW Fair Use Notice!

Coordinates: 38° 57′ 0″ N, 140° 46′ 48″ E
Decimal: 38.95°, 140.78°

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Philippines Taal Volcano Could Erupt Anytime!

UPDATE: Latest From TAAL and other Philippines Volcanoes

Taal May Erupt at Anytime

FEWW team believes there is a strong probability that the Taal Volcano, a Pelean-type active volcano on the island of Luzon, might erupt this month. Taal volcano is designated as one of the 16 Decade Volcanoes by International Association of Volcanology and Chemistry of the Earth’s Interior (IAVCEI). Located about 50 km south of the capital, Manila, Taal is surrounded by populated areas.

Taal has erupted violently several times (the last eruption was in 1977). The current death toll caused by its activities stands at about 6,000.

More seismic activities in the region should be expected.

Taal Volcano Seen through Lake Taal (Photo: Jhun Taboga)

A cinder cone in an acidic lake on Taal Volcano (Credit: JG Moore of the US Geological Survey)

Major volcanoes of the Philippines

Pacific Ring of Fire

The Pacific Ring of Fire is an area of frequent earthquakes and volcanic eruptions encircling the basin of the Pacific Ocean. The Ring of Fire has 452 volcanoes and is home to over 75% of the world’s active and dormant volcanoes. Ninety percent of the world’s earthquakes and 80% of the world’s largest earthquakes occur along the Ring of Fire. The Ring of Fire is a direct result and consequence of plate tectonics and the movement and collisions of crustal plates. (Source)

Plate Tectonics

World’s 14 major tectonic plates plus the Scotia plate. Mapped in the second half of the 20th century to explain the observed evidence for large scale motions of the Earth’s lithosphere. The lithosphere is broken up into tectonic plates. The surface of the Earth consists of a further 38 [40] minor plates.

The largest of the major plates are

• African Plate, containing Africa – Continental plate
• Antarctic Plate, containing Antarctica – Continental plate
• Australian Plate, containing Australia (fused with Indian Plate about 50 million years ago) – Continental plate
• Eurasian Plate containing Asia and Europe – Continental plate
• North American Plate containing North America and north-east Siberia – Continental plate
• South American Plate containing South America – Continental plate
• Pacific Plate, covering the Pacific Ocean – Oceanic plate

See also

• Plates list.
• Detailed map showing the tectonic plates with their movement vectors.
• Plate motion based on Global Positioning System (GPS) satellite data from NASA JPL

Earthquakes, volcanic activity, mountain-building, and oceanic trench formation occur along plate boundaries. The lateral movement of the plates is typically at speeds of 5 – 10 cm/yr. (Read more …)

Recent Earthquakes [Kurile through Kermadec trenches]

[Time at epicenter]

• Magnitude 4.8; Depth of 48.7 km; SOUTHEAST OF THE LOYALTY ISLANDS; Sunday, May 18, 2008 at 10:03:52 PM
• Magnitude 5.6; Depth of 35 km; SOUTHERN SUMATRA, INDONESIA; May 18, 2008 at 07:17:24 PM
• Magnitude 4.6; Depth of 74.1km; MINDORO, PHILIPPINES; Sunday, May 18, 2008 at 07:24:17 PM
• Magnitude 4.9; Depth of 10 km; SABAH, MALAYSIA; Sunday, May 18, 2008 at 02:26:41 PM
• Magnitude 4.9; Depth of 31.3 km; NIAS REGION, INDONESIA; Sunday, May 18, 2008 at 09:59:59 AM
• Magnitude 4.4; Depth of 242.4 km;KYUSHU, JAPAN; Sunday, May 18, 2008 at 07:15:06 AM
• Magnitude 5.2; Depth of 127.1 km, MINDANAO, PHILIPPINES, Saturday, May 17, 2008 at 10:17:30 PM
• Magnitude 5.1; Depth of 151.2 km; SOUTH OF THE KERMADEC ISLANDS; Saturday, May 17, 2008 at 02:23:17 PM
• Magnitude 5.3; Depth of 150.4 km; NEW BRITAIN REGION, PAPUA NEW GUINEA; Saturday, May 17, 2008 at 03:35:14 AM
• Magnitude 5.4; Depth of 35 km; SOUTH OF THE KERMADEC ISLANDS; Friday, May 16, 2008 at 11:06:51 PM
• Magnitude 5.3; Depth of 41 km; SANTA CRUZ ISLANDS REGION; Friday, May 16, 2008 at 09:19:07 AM
• Magnitude 4.9; Depth of 606.3 km; FIJI REGION; Thursday, May 15, 2008 at 10:46:02 AM
• Magnitude 5.1; Depth of 35 km; TONGA; Friday, May 16, 2008 at 03:06:15 AM
• Magnitude 5.0; Depth of 25.8 km; KURIL ISLANDS; Wednesday, May 14, 2008 at 08:20:43 AM
• Magnitude 5.2; Depth of 52.5 km; LUZON, PHILIPPINES; Wednesday, May 14, 2008 at 05:48:32 AM
• Magnitude 5.2; Depth of 40.8 km; LUZON, PHILIPPINES; Depth of 40.8 km; Tuesday, May 13, 2008 at 10:14:30 PM
• Magnitude 5.4; Depth of 35 km; NORTHERN SUMATRA, INDONESIA; Tuesday, May 13, 2008 at 05:29:19 PM
• Magnitude 5.0; Depth of 36.7 km; TAIWAN REGION; Tuesday, May 13, 2008 at 06:57:46 AM
• Magnitude 4.6; Depth of 509 km; SOUTH OF THE FIJI ISLANDS; Monday, May 12, 2008 at 04:34:05 AM

[Source: USGS]

Global earthquake epicentres, 1963–1998 (Image: NASA)

Philippines Other Major Volcanoes: Mayon Volcano

Mayon Volcano as viewed from Lingñon Hill in Daraga, Albay. Mayon, located between the Eurasian and the Philippine Plate, is a convergent plate boundary. It is the most active volcano in the Philippines, having erupted over 47 times in the past 400 years. Last eruption: 2006. (Copyrigh by Tam3rd via Wikimedia)

Canlaon Volcano

Canlaon, a stratovolcano, is located in the north central part of the island of Negros. Last eruption: 2006.

Weather clouds drape the sparsely vegetated summit of Kanlaon volcano (also spelled Canlaon). Kanlaon is the most active of the central Philippines and forms the highest point on the island of Negros. The massive 2435-m-high stratovolcano is dotted with fissure-controlled pyroclastic cones and craters, many of which are filled by lakes. Historical eruptions, recorded since 1866, have typically consisted of phreatic explosions of small-to-moderate size that produce minor ashfalls near the volcano. Photo courtesy of PHIVOLCS. Caption GVP

Ragang volcano

Ragang volcano (above and to the right of the center of image) is located in central Mindanao. Last eruption: 1916. Thanks mainly to the Filipino government and its education authorities, no other image of Ragnag Volcano could be found at the time of writing. NASA Space Shuttle image STS61A-40-71, 1985 (http://eol.jsc.nasa.gov/).

There are 22 active volcanoes in the Philippines: Babuyan Claro, Banahaw, Bulusan, Mount Biliran, Bud Dajo, Cagua, Camiguin de Babuyanes, Didicas, Hibok-Hibok, Iraya, Mount Iriga, Mount Kanlaon, Leonard Kniaseff, Makaturing, Matutum, Mayon, Musuan, Mount Parker (Cotabato), Pinatubo, Ragang, Smith Volcano, Taal.

See also: List of volcanoes in the Philippines

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Philippines Taal Volcano Could Erupt Anytime!

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