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Last updated on April 18, 2014 at 17:24 EDT

Latest Stratovolcanoes Stories

Volcanic Activity Increases On Alaska's Mount Pavlof
2013-05-20 07:33:36

Lawrence LeBlond for redOrbit.com - Your Universe Online Alaska´s Pavlof Volcano, which roared back to life on May 13, continues to send ash and steam nearly 20,000 feet into the air, just below the threshold that experts deem becomes a threat to air traffic in the region. Over the weekend, Pavlof also began spewing lava hundreds of feet into the air. The 8,262-foot-high Pavlof, which is located about 625 miles southeast of Anchorage along the Aleutian Islands, but still sits on...

Alaskan Volcano Pavlof Erupts
2013-05-17 12:51:06

Peter Suciu for redOrbit.com — Your Universe Online The Alaska Volcano Observatory has reported that the remote Pavlof Volcano continues to erupt and is now spewing lava, ash and steam 20,000 feet into the sky, which has been traveling southeast towards the Gulf of Alaska since Thursday. The Alaska Volcano Observatory (AVO) is a joint program of the United States Geological Survey (USGS), the Geophysical Institute of the University of Alaska Fairbanks (UAFGI), and the State of...

Federal Budget Cuts Will Disrupt Critical Volcano Monitoring Services In Alaska
2013-05-15 08:24:13

Lawrence LeBlond for redOrbit.com - Your Universe Online More than a week after Alaska´s Cleveland volcano began erupting, sending ash clouds 15,000 feet into the air, another Alaskan mountaintop began rearing its ugly head. The Pavlof volcano, which sits about 350 miles northeast of Cleveland, showed signs on Monday that it was on the verge of eruption, based on increased seismic activity at the summit, according to Wired Magazine. Cleveland and Pavlof both sit in Alaska´s...

Mexico's Popocatepetl Volcano Increases Activity, Warnings Issued
2013-05-13 10:49:50

Lawrence LeBlond for redOrbit.com - Your Universe Online Authorities in Mexico have raised the alert level for towns in two central states and the capital after an increased amount of explosive activity has occurred at Popocatepetl volcano, Mexico´s second highest peak at 17,900 feet. The volcano, which sits about 50 miles southeast of the capital, began spewing steam and lava Saturday evening. Mexico´s National Disaster Prevention Center said an increase in activity was...

Philippines' Mount Mayon Erupts Killing Four, Injuring Several Others
2013-05-07 07:13:25

Lawrence LeBlond for redOrbit.com - Your Universe Online One of the Philippines most active volcanoes roared to life early Tuesday sending a cloud of ash and rocks into the morning sky. Mount Mayon, which sits about 206 miles southeast of the capital of Manila, killed five people and injured several others during the brief eruption. Eduardo del Rosario of the National Disaster Risk Reduction and Management Council (NDRRMC) confirmed that the blast killed five and injured seven. The...

Alaskan Volcano Eruption On Saturday Forces Aviation Authorities To Divert Some Traffic
2013-05-06 08:26:59

Lawrence LeBlond for redOrbit.com - Your Universe Online An Alaskan volcano roared to life on Saturday spewing a cloud of ash, steam and gas into the atmosphere, potentially disrupting a major air traffic route, according to scientists. The Cleveland Volcano, which sits at the western end of Chuginadak Island (part of the Aleutian Islands), erupted in at least three low-level explosions that were not severe enough to cause significant threats to air travel, but did force federal...

Volcanic Eruption Forecasting Improvements Needed
2013-04-30 05:24:43

[ Watch the Video: What is a Volcano? ] April Flowers for redOrbit.com - Your Universe Online Recognizing well-established patterns of pre-eruption unrest in monitoring data is vital in volcanic eruption forecasting. To develop better monitoring procedures, however, understanding volcanic eruptions that deviate from these patterns is crucial as well. Diana Roman from the Carnegie Institution for Science led a research team that retrospectively documented and analyzed the period...

Unmanned Aircraft Used To Help Study Volcanic Plumes
2013-04-02 05:11:35

April Flowers for redOrbit.com - Your Universe Online Last month, Earth science researchers from NASA traveled to Turrialba Volcano near San Jose, Costa Rica. The research team was there to study the chemical environment of the volcano by flying a Dragon Eye unmanned aerial vehicle (UAV) into the sulfur dioxide plume and over its summit crater. The UAV — a small electric aircraft equipped with cameras and sensors — will help the scientists improve the remote-sensing...

Iceland's Hekla Volcano Shows Signs Of Activity, No Eruption Imminent
2013-03-27 11:18:32

Lawrence LeBlond for redOrbit.com - Your Universe Online One of Iceland´s most active volcanoes, Hekla, has been showing signs of potential activity as of late, prompting National Commissioner of the Icelandic Police to declare an “uncertainty phase” for the snow-capped peak. Geologists at the Icelandic Met Office reported unusual seismic activity on the mountain over the past two to three weeks, but said there was no sign that an eruption was imminent. The...

New Zealand Volcano From Lord Of The Rings Unexpectedly Erupts While Scientists Monitor Active Neighbor
2012-11-22 12:18:51

Lawrence LeBlond for redOrbit.com - Your Universe Online After more than a century of dormancy, a New Zealand volcano has erupted a second time in four months, sending a column of ash more than a mile into the sky and forcing school children and tourists to flee from the area, according to local reports. The Mount Tongariro volcano erupted at 1:25 p.m. local time (00:25 GMT) on November 21, and spouted off for about five minutes before settling back down. While scientists said there...


Latest Stratovolcanoes Reference Libraries

Jabal al-Tair Island
2014-04-10 11:56:15

Jabal al-Tair Island, known by many other names including Tair Island and Jebel Teir, is a volcanic island that is located in the Red Sea and is under the jurisdiction of Yemen. It reaches an elevation of 801 feet and is about 1.9 miles in length. The island is comprised of Jabal al-Tair, a stratovolcano that was considered extinct in 1982, although it erupted in 2007. In 1900, the British Admiralty described the volcano as having a steep, conical shape, making it a good landmark for ships...

Askja
2014-04-09 16:13:20

Askja is an active stratovolcano that is located in the isolated central highlands in Iceland. It reaches an elevation of 4,974 feet and its name literally means caldera, or box, in the Icelandic language. The area can only be reached during a period of a few months and because it located in the rain shadow of the Vatnajökull glacier to the northeast, it only receives 17.7 inches of rain per year. One of Askja’s smaller craters holds a lake known as Öskjuvatn, which is often frozen over...

Volcán Tacaná
2014-04-09 11:04:28

Volcán Tacaná, also known as Volcán Tacina in Mexico, the Tacaná Volcano, or simply Tacaná, is an active stratovolcano that is located in the San Marcos Department of Guatemala and in the Cacahoatán and Unión Juárez Municipalities of Chiapas, a Mexican state. It reaches an elevation of 13,320 feet and is part of the Central America Volcanic Arc. It is one of many volcanoes in the Central American Core volcanic chain, which helps support diverse and sensitive ecosystems. Volcán...

Santa María Volcano
2014-04-09 10:58:40

Santa María Volcano is an active stratovolcano that is located in Guatemala and is part of the Sierra Madre, a string of volcanoes that stretches across the western side of Guatemala. The volcanoes in this string were formed by subduction activity, when the Cocos Plate moved under the Caribbean Plate. An eruption in 1902 produced a crater that now holds a lava dome known as Santiaguito, which was created during another eruption in 1922. These domes hold active vents and in 1929, part of the...

Mount Kerinci
2014-04-08 13:32:05

Mount Kerinci, known by many other names including Gunung Kerinci, Berapi Kurinci, and Peak of Indrapura, is an active stratovolcano that is located in Indonesia on the island of Sumatra. It reaches an elevation of 12,484 feet, making it the tallest volcano in Indonesia, and is located within Kerinci Seblat National Park. This volcano features fifteen lakes, the largest of which are Kerinci Lake and Gunung Tujuh Lake. The summit holds a deep crater that is sometimes slightly filled by a...

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