At 0313 hr (local time) on Friday 29th July, Popocatepetl Volcano erupted. The moderate explosive eruption ejected incandescent material on the side of the volcanic cone, reaching 1 km from the vent. The duration of the eruption was one minute, and was preceded by a period of high frequency tremor. The emissions reached a height of 2 km above the crater. Ashfall was recorded on Mexico City.
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Saturday, July 30, 2005
Thursday, July 28, 2005
Rabaul Volcano (Papua New Guinea)
A pilot has reported ash to 10,000 ft above Rabaul volcano in Papua New Guinea. Rabaul is one of the most active volcanoes in PNG. An eruption of the volcano in 1994 destroyed the town of Rabaul.
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Colima Volcano (Mexico)
Colima volcano in Mexico erupted on Wednesday 27th July, sending ash to 30,000 ft elevation. The pre dawn explosion was one of several eruptions at the volcano in recent months. The threat of lahars has prompted a warning to avoid the valleys of La Lumbre, La Arena, San Antonio, and Monte Grande.
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Tuesday, July 26, 2005
Kilauea Volcano (Hawaii)
A light earthquake (mag 4.5) hit Kilauea volcano on Monday 25th July at 10:08 PM local time. The epicentre was located on the SW rift zone, in the Ka'u desert area, at a depth of 30 km. On the eastern side of the volcano, lava continues to flow into the ocean at two locations. Kilauea volcano remains one of the world's most active volcanoes.
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Monday, July 25, 2005
Nicobar Islands Earthquake (Mag 7.2), India
A major earthquake (Mag 7.2) hit the Nicobar Islands, India on Sunday, 24th July 2005 at 09:12 PM local time at epicenter. Thailand issued a tsunami alert and ordered thousands of people living along the Andaman Sea coastline to evacuate. The epicentre was located 420 km (260 miles) S of Port Blair, Andaman Islands, India. The closest volcano to the earthquake is Barren Island (India) which is currently erupting.
Barren Island Volcano...
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Barren Island Volcano...
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Paekdu Volcano (North Korea)
Satellite data has indicated a swelling of Paekdu volcano in North Korea. The volcano increased by 18mm in the 6 years from 1992 to 1998. This indicates the volcano may not be completely dormant, and magma may be active under the mountain. More tests and observations will be needed to determine if the volcano is still inflating. The increase in height doesn't mean the mountain is seismically active. Paekdu volcano last erupted in 1702.
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Wednesday, July 20, 2005
Talang Volcano (Indonesia)
The alert level at Talang volcano has been increased to level 3 (4 being maximum). Since July 15th there have been 93 deep volcanic earthquakes, and three felt earthquakes near the crater. Ash emissions continue at the volcano.
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Sorik Marapi Volcano (Indonesia)
On Monday July 18, the alert level at Sorik Marapi volcano in Indonesia was increased to level 2 (4 being maximum). Earthquake events have increased drastically, with 112 deep volcanic earthquakes recorded between 8-14 July, and 10 events of felt shock. Visual observation did not show any significant changes; gas emisson rising about 50 m above the summit, medium pressure, solfatara temperatures 109.2-109.4 degrees celcius (normal levels). Sorik Marapi is the nearest active volcano to Lake Toba, the site of the world's most recent supervolcano which erupted 74,000 years ago.
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Sunday, July 17, 2005
Lamongan Volcano (Indonesia)
A report has been received about the possible eruption of Lamongan volcano in Indonesia. A Qantas pilot reported ash to 20,000 ft today at 0730 hr (UT). This eruption needs to be confirmed, since there has been no recorded activity at the volcano since 1898.
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Mt St Helens Volcano (USA)
The lava dome inside the crater of Mt St Helens Volcano continues to grow. A magnitude 3 earthquake hit the volcano yesterday at 5:22am, which caused a rockfall and sent an ash plume above the crater rim. The cause of the earthquake is unknown. Currently the rates of seismicity and ground-deformation are low.
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Friday, July 15, 2005
Popocatepetl Volcano (Mexico)
The highest active volcano in the northern hemisphere erupted on 14th July at 1505 hr (UT). Popocatepetl volcano is located near Mexico city, one of the world's most populated cities. The eruption sent ash to 24,000 ft, WNW at 15-20 knots.
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Wednesday, July 13, 2005
Manam Volcano (Papua New Guinea)
The government of New Zealand has increased its funding to the victims of Manam volcano disaster to US$680,000. Ten thousand people were evacuated from Manam Island at the end of 2004 after large eruptions made the island uninhabitable. The evacuees are located on the mainland of New Guinea, and face many problems, including lack of fishing grounds, malnutrition, and insufficient housing and medical care. International assistance will be required for years, while land issues are resolved and the islanders are resettled permanently. Evacuees from the 1996 eruptions have still not been adequately resettled, and live in poor conditions on the mainland. Low level activity continues at Manam Volcano.
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Monday, July 11, 2005
Merapi Volcano (Indonesia)
The alert level at Merapi volcano has been increased to 2 (4 being maximum). Volcanic earthquakes have increased continuously since 7th July 2005. GPS measurement carried out on 22 June 2005 showed displacement at some measured points at the summit up to 15 cm, compared with December 2004. There are no immediate plans to evacuate villagers living on the volcano's slopes.
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Thursday, July 07, 2005
Talang Volcano (Indonesia)
A phreatic eruption occurred at Talang Volcano in Indonesia on 2-3 July. The eruption was preceeded by a blasting sound at the main crater on the southern side of the volcano. Grey ash reached 300-500 m, and fell around Kampung Batu, which is located 2 km south of the summit. At the same time, Gabuo Atas crater, Gabuo Bawah crater, and Kapundan Panjang crater, which are located at the northern slope, also emitted white-brown steam, as high as 300 m, 50 m, and 150 m. The temperature of Batu Bajanjang hot spring, located below the summit, is 41.9-61.3° C. People are advised to keep a distance of 1 km from eruption point. Renewed eruptions of Talang volcano in 2005 have been attributed to the great 2004 Sumatra earthquake and aftershocks. Talang volcano is on alert level 2 (4 being maximum).
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Monday, July 04, 2005
Fukutoku-Okanoba Volcano (Japan)
An undersea eruption occurred at Fukutoku-Okanoba volcano in the volcano islands, SE of Japan. A column of steam rose 1000 m above the volcano. Observations from a helicopter flyover showed rock and mud rising to the surface. A one-kilometer area of water has turned brown-orange. Eruptions of Fukutoku-Okanoba volcano have previously formed a temporary island, but it is unknown if an island will form this time.
Fukutoku-Okanoba Volcano...
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Fukutoku-Okanoba Volcano...
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