Evacuation of smallest Canary Island begins after earthquake swarm sparks fears of volcanic eruption - 108 square mile island is home to 10,000 people. More than 8,000 tremors have been recorded on the island in the last two months.  The island of El Hierro is preparing for a mass evacuation because of a possible volcanic eruption. Experts have recorded 150 tremors on El Hierro, the smallest of the Canary Islands, since yesterday - raising fears of an imminent eruption. Last night 53 people were ordered out of their homes over fears of landslides and the army has been called in to prepare for a possible evacuation. Schools on the tiny island have been closed and a tunnel linking the two main towns - Frontera and Valverde - has been shut. 'There is a ball of magma rising to the surface producing a series of ruptures which generate seismic activity. We don't know if that ball of magma will break through the crust and cause an eruption.' An eruption is possible 'in days, weeks or months'. The Canary Island government began a geological survey of El Hierro earlier this month to determine what was causing the tremors. It raised the volcanic risk to 'yellow' on Sunday - the highest alert status since the earthquake 'swarm' began in July. Some experts said a volcanic explosion could actually attract more tourists to the island. The last volcanic eruption in the Canary Islands took place on the nearby island of La Palma in 1971. The last eruption on El Hierro, which has around 250 small volcanic craters, was in 1793 and lasted for a month. Most of the islands are still volcanically active and there has been speculation that a smaller, previously undetected fault line also runs through the chain. El Hierro - which means 'iron' in Spanish - was formed after three volcanic eruptions 100 million years ago and is topped by a volcano more than 6,000ft high. Volcanic activity, mainly where three ridge lines converge, has caused El Hierro to expand continually. Some 50,000 years ago, massive landslides triggered by earthquakes caused a large part of the island to crack off and fall into the Atlantic Ocean. That created the El Golfo valley on the island and caused an 300ft-high tsunami that probably reached the American coast. This feeds into the belief that volcanic activity on La Palma - the most tectonically active of the Canary Islands - could trigger a mega-tsunami. The theory - which has never been confirmed - claims that a possible fault line through the island would cause a major landslide under certain circumstances. That landslide would then spark a tsunami that would cause extensive damage all down the Atlantic Coast of the U.S., the Caribbean, Western Europe, West Africa and the east coast of South America. |
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Sep 10, 2011
Near the Cumbre Vieja Volcano. Breaking News from Stan Deyo Earth Changes. See: Cumbre Vieja Volcano -- Potential Collapse and Tsunami at La Palma, Canary Islands Steven N. Ward. Institute of Geophysics and Planetary ...
Jul 28, 2011
300-foot-tsunami-from-canary-islands-to-bring-. 'Hierro', a volcano, an island of the Canary Islands of Spain named 'El Hierro', summits at 1500 meters (4900 feet), and has suddenly become highly active with more than 700 ...
Aug 04, 2011
Described as a “significant increase in seismic activity,” the earthquake swarm has prompted the Canary Islands Government to convene the first ever meeting of the Steering Committee and Volcanic Monitoring. ... During seismic tremors some 50000 years ago, a giant piece of the island cracked off, crashed into the ocean and caused a giant tsunami that most likely rose more than 330 feet (100 m) high and probably reached as far as the American coast. About a half ...
Oct 05, 2007
Attention is currently focused on the Cumbre Vieja volcano on the Canary Island of La Palma ( images http://www.benfieldhrc.org/tsunamis/la_palma_images.htm .... Thus - again assuming that the factors controlling the behaviour of the volcano remains uniform - there seems no significant risk that the volcano will collapse spontaneously. The bad news concerns what is likely to happen when it does. With one questionable exception, all the historic collapses of small island ...
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whose sole object in writing was to tell the truth about politics and the truth about art we would not believe in war, and we would believe in art.** -Virginia Woolf LARGEST QUAKES - This morning - 5.0 SOUTHERN MID-ATLANTIC RIDGE CANARY ISLANDS - (13 so far; larger magnitudes) 2.6, 2.6, 3.1, 3.0, 3.3, 2.8, 3.2, 3.3, 3.0, 2.5, 2.6, 3.6, 2.6 Yesterday - 9/28/11 - 5.2 OFFSHORE BIO-BIO, CHILE 5.1 SOUTHEAST OF LOYALTY ISLANDS 5.3 SOUTHEAST OF LOYALTY ISLANDS 5.0 TONGA CANARY ISLANDS - (55 total) 2.6, 2.9, 3.5, 2.6, 2.5, 2.5, 2.9, 2.5, 2.5, 2.8, 2.6, 2.6, 3.2, 2.6, 2.6, 2.6, 2.6, 3.3, 2.8, 2.8, 2.9, 2.9, 2,8, 2.9, 2.8, 2.6, 2.5, 2.7, 2.6, 2.5, 2.8, 2.7, 3.3, 2.8, 2.5, 2.8, 2.8, 2.7, 2.9, 2.8, 2.6, 2.6, 3.4, 2.6, 2.5, 2.8, 2.8, 2.7, 3.3, 2.7, 2.5, 2.8, 3.0, 1.8, 2.7 VOLCANOES - CANARY ISLANDS - Police have moved residents and tourists from houses at the foot of the volcano on Spain's Canary Islands after a growing series of earthquakes raised fears of an eruption. With the Pico de Malpaso mountain spitting rocks intermittently and a growing rumbling underground, authorities made emergency preparations in case the volcano blows its top on the Atlantic island of El Hierro. "I have NEVER FELT SHAKING LIKE IT. I notice it especially at night. We can also hear a rumbling and sounds from deep down." [Site note - This is similar to the reports of sounds heard before the big Indonesian quake in 2004.] 53 residents and tourists had been evacuated to protect them from the occasional flying volcanic rock and the defence ministry said it was preparing emergency shelter for 2,000 people. The evacuation disrupted the holidays of a number of tourists. "This is too dangerous. We cannot stay." The Canary Islands regional government said it was in a state of pre-alert and was stocking drinking water and medical supplies, but officials played down any risk of a disaster. "We will not have to evacuate the island," said the head of the island's local council. "The number of tremors has increased, but most of them are in the sea." The municipal official said the authorities did not expect an "imminent eruption" and the island's official risk alert for the 1,500-metre peak remained on yellow, or intermediate. The national defence ministry said it had sent 31 military personnel to the island to help with the evacuation and the Defence Minister was heading there to inspect the emergency preparations. The Spanish National Geographic Institute has recorded 8,000 tremors since July 19, most of them too small to be felt, but they have been growing in intensity. One recorded overnight on Wednesday reached 3.4 magnitude. "We HAVE NOT SEEN THIS KIND OF MOVEMENT WITH SUCH FREQUENCY ON EL HIERRO SINCE RECORDS BEGAN" more than a century ago. TROPICAL STORMS - In the Atlantic - -Tropical storm Ophelia was located about 180 mi.(285 km) ENE of the northern Leeward Islands. -Tropical storm Philippe was located about 1115 mi (1795 km) W of the Cape Verde Islands. In the Pacific - -Tropical storm Hilary was located about 645 mi (1040 km) WSW of the southern tip of Baja California. Hilary is expected to become a tropical depression tonight and weaken to a remnant low on Friday. -Typhoon 20w (Nesat) was located approximately 400 nm east-southeast of Hanoi, Vietnam. -Typhoon 22w (Nalgae) was located approximately 800 nm east-northeast of Manila, Philippines. NESAT - Hong Kong has locked down, suspending financial markets, schools and transport services as strong winds from the deadly typhoon Nesat bring disruption to the city. The Hong Kong Observatory issued a number eight tropical cyclone warning at 4.40am today (6:40am AEST), as winds of 63km/h hit the financial hub, bringing down trees. In the observatory's typhoon warning scale, signal number 10 is the highest signal. The typhoon was centred about 350 kilometres south-south-west of the territory and was forecast to move across the northern part of the South China Sea towards China's Hainan Island to western Guangdong. Death toll in Philippines rises to 35, likely to climb further, with dozens of people missing two days after Nesat walloped the country. Nesat smashed into the Philippines' main island of Luzon on Tuesday, bringing heavy rains and wind that caused storm surges and massive flooding. Flood waters have been slowly subsiding, although large areas remain submerged, particularly vast tracts of farm lands. Soldiers, police and other rescue personnel had been working non-stop to help those affected, but with 45 still listed as missing, the death toll will climb. Many of the missing were fishermen who set sail ahead of the storm despite warnings to remain on land. Authorities sending out boats to rescue people stranded on the roofs of their houses. Tens of thousands of people are battling neck-deep floodwaters. At 4pm on Wednesday, Nesat was spotted over the West Philippine Sea about 300 kilometres away from Baguio City in Northern Luzon and roaring toward Vietnam and China. NALGAE - Wednesday, a new tropical cyclone was bearing down on the Philippines, barely a day after typhoon “Pedring” (international name Nesat) left the country. Quiel (international name Nalgae) was spotted developing in the Pacific Ocean and could grow into a typhoon [already has] as it neared Northern Luzon, which also bore the disastrous impact of Pedring (Nesat) along with Metro Manila. “Our initial trade-line shows it may hit Northern Luzon. But it is still too early to tell because it might still change course.” SEVERE RAIN STORMS, FLOODING, LANDSLIDES - Mid-latitude cyclone over the midwestern United States - The center of the storm appeared immediately west of Lake Michigan. The storm was at its most mature stage on September 26. Sporting a comma shape spanning hundreds of kilometers, the storm was comprised of a combination of warm, moist air (clouds) and cold, dry air (cloud-free areas). Mid-latitude cyclones drive most of the stormy weather in the continental United States. Development of these cyclones often involves a warm front from the south meeting a cold front from the north. In the Northern Hemisphere, cyclones move in a counterclockwise direction. (In the Southern Hemisphere, cyclones are clockwise.) The bands of cold and warm air wrap around a center of low pressure, and air rising near the center spurs the development clouds and precipitation. In this region, “cold air eventually wins out and wraps completely around a storm. This is called a ‘cold core’ storm and has cut itself off from the main flow of the jet stream.” This is why the September 26 storm appears stalled near Chicago. ( animation of the storm from September 25 to September 27.) SPACE WEATHER - Large sunspot will soon face Earth - Astronomers are closely watching the skies for possible solar storms. A large sunspot is slowly rotating toward Earth and could produce potentially dangerous solar flares. The sunspot, known as NOAA Active Region 1302, or AR1302, has already produced three large solar flares, including one that created auroras over five U.S. states and points north Tuesday night. The sunspot is less than one day from “disk center,” the point at which any coronal mass ejections that erupt from the sun will likely hit Earth. In a worst case scenario particles from a coronal mass ejection could disable satellites and even disrupt power grids. This is possible, but not likely. AR1302 is a huge sunspot group that is 60,000 miles across, a diameter eight times that of Earth. Scientists say the current solar cycle should peak in 2013. HEALTH THREATS - RECALLS & ALERTS: -Pepperidge Farm is recalling a limited quantity of 10.2-ounce boxes of Baked Naturals Sesame Sticks as a precaution due to the possible presence of small, thin pieces of wire. -Publix Super Markets is issuing a voluntary recall for spinach dip because it may be adulterated with Listeria monocytogenes. -Del Bueno of Grandview, WA is recalling all 16oz. size packages of Queso Fresco Casero Fresh Cheese with a date stamp of Sept 14, 2011 because it has the potential to be contaminated with Listeria monocytogenes. -Fine Mexican Food Products, Inc. Recalls 2.2 lb. Frozen Avocado Pulp & 3 lb. IQF Avocado Halves From Peru because of the possibility to be contaminated with Listeria Monocytogenes. -Sanith Ourn Farm of Indiantown, Fl, is recalling Fresh Hot Basil herb because it may have the potential to be contaminated with Salmonella. -The FDA is warning consumers not to eat Rocky Ford Cantaloupe shipped by Jensen Farms and to throw away recalled product that may still be in their home. Distributed to at least 17 states with possible further distribution. The recalled cantaloupes have the potential to be contaminated with Listeria and may be linked to a multi-state outbreak of listeriosis. -Carol’s Cuts recalls fresh cut cantaloupe and cut mixed fruit containing cantaloupe because it has the potential to be contaminated with Listeria monocytogenes. Distributed in KS, Mo, and NE. |
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