text: The Pacific's "Ring of Fire" is a breeding ground for natural disasters. Here's a look at the most recent incidents.
  Multiple fissures emitting minor lava spatter opened Saturday on Hawaii’s Kilauea volcano, heightening fears of an impending major eruption and prompting a warning by the US Geological Survey of more disaster to come.
  The eruption of a Hawaii volcano in the Pacific "Ring of Fire" also has experts warily eyeing volcanic peaks on America's West Coast that are also part of the geologically active region.
  The West Coast is home to an 800-mile chain of 13 volcanoes, from Washington state's Mount Baker to California's Lassen Peak. They include Mount St. Helens, whose spectacular 1980 eruption in the Pacific Northwest killed dozens of people and sent volcanic ash across the country, and massive Mount Rainier, which towers above the Seattle metro area.
  "There's lots of anxiety out there," said Liz Westby, geologist at the U.S. Geological Survey Cascades Volcano Observatory in Vancouver, Wash. "They see destruction, and people get nervous."
  In this May 12, 2018 photo, lava erupts from a fissure during ongoing eruptions of the Kilauea Volcano in Hawaii. (REUTERS)
  Kilauea, on Hawaii's Big Island, is threatening to blow its top in coming days or weeks after sputtering lava for a week, forcing about 2,000 people to evacuate, destroying two-dozen homes and threatening a geothermal plant. Experts fear the volcano could hurl ash and boulders the size of refrigerators miles into the air.
  Horseshoe-shaped belt
  Roughly 450 volcanoes make up this horseshoe-shaped belt with Kilauea situated in the middle. The belt follows the coasts of South America, North America, eastern Asia, Australia and New Zealand. It's known for frequent volcanic and seismic activity caused by the colliding of crustal plates.
  America's most dangerous volcanoes are all part of the Ring of Fire, and most are on the West Coast, according to the U.S. Geological Survey. Besides Kilauea, they include: Mount St. Helens and Mount Rainier in Washington; Mount Hood and South Sister in Oregon; and Mount Shasta and Lassen Volcanic Center in California.
  Images of lava flowing from the ground and homes going up in flames in Hawaii have stoked unease among residents elsewhere along the Ring of Fire. But experts say an eruption on one section of the arc doesn't necessarily signal danger in other parts.
  A sign under a lahar warning siren is shown as a school bus drives near Orting Middle School in Orting, Washington. (AP Photo/Ted S. Warren)
  'Normal' ... for now
  The Cascades Volcano Observatory monitors volcanoes in the Pacific Northwest and posts weekly status reports. All currently register "normal."
  "All our mountains are considered active and, geologically speaking, things seem to happen in the Northwest about every 100 years," said John Ufford, preparedness manager for the Washington Emergency Management Division.
  The Big Island scenes of rivers of lava snaking through neighborhoods and sprouting fountains are unlikely in the Pacific Northwest.
  The spectacular 1980 eruption of Mount St. Helens, in Washington state, killed dozens of people and sent volcanic ash across the country. (REUTERS)
  CALIFORNIA FAULT LINE IS 'TECTONIC TIME BOMB' FOR DISASTROUS EARTHQUAKE, RESEARCHERS SAY
  "Lava is not the hazard, per se, like in Hawaii," said Ian Lange, a retired University of Montana geology professor. Cascade volcanos produce a thicker, more viscous type of lava than Hawaiian volcanoes, so it doesn't run as far, Lange said.
  The Cascade volcanoes can produce huge clouds of choking ash and send deadly mudslides into rivers and streams. Two of the most potentially destructive are Mount St. Helens, north of the Portland, Ore., metro area, and 14,000-foot Mount Rainier, which is visible from Seattle and Tacoma.
  Another major danger from a Cascade volcano eruption would be large amounts of ash thrown into the air, where it could foul aircraft engines.
  The closest settlement to a West Coast volcano may be Government Camp, on Oregon's Mount Hood. Lava could conceivably reach the town, but the greater threat is an eruption triggering a so-called pyroclastic flow, which is a fast-moving cloud of hot ash and gas, experts said.
  Mount Shasta most dangerous?
  Mount Shasta, in Northern California, may pose the greatest threat of all volcanoes on the West Coast, some scientists say. (Associated Press)
  But Lange believes California's Mount Shasta is the most dangerous, in part because it is surrounded by towns.
  The town of Mount Shasta has numerous response plans for emergencies, including a volcano eruption, police Chief Parish Cross said. But the plan for a volcano is pretty fluid, he said.
  "We don't know the size or scope of the event," Cross said, including which direction the eruption would occur.
  This is not an issue in Orting, Wash., about 20 miles west of Mount Rainier. Orting would be directly in the path of a lahar, and local officials each year conduct drills in which children move from school to higher ground to escape the flow.
  'RING OF FIRE' FURY STRIKES ALASKA, PHILIPPINES, JAPAN
  "Our concern is ice and snow melting rapidly on Mount Rainier," said Chuck Morrison, a resident of the town of 7,600 who has long been involved in evacuation planning. "We need a quick way off the valley floor."
  Orting is the town most vulnerable to lahar damage from Mount Rainier, according to the U.S. Geological Survey.
  Scientists say that in the worst case, a 30-foot-high lahar with the consistency of wet concrete could rumble through Orting at 50 mph if volcanic activity suddenly melted snow and ice on Rainier.
  The Associated Press contributed to this report.
  Bradford Betz is an editor for Fox News. Follow him on Twitter @bradford_betz.
  Read more: http://www.foxnews.com/science/2018/05/13/hawaii-volcano-stokes-fears-west-coast-eruptions.html
  Hawaii News, Hawaiian Nature
  May 22, 2018
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