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'Ballistic blocks' shoot from Hawaii volcano, may mark start of violent eruptions
Source: Reuters
ENVIRONMENT MAY 16, 2018 / 3:21 PM / UPDATED 2 HOURS AGO
'Ballistic blocks' shoot from Hawaii volcano, may mark start of violent eruptions
Terray Sylvester
4 MIN READ
VOLCANO, Hawaii (Reuters) - “Ballistic blocks” the size of microwave ovens shot from Hawaii’s Kilauea volcano on Wednesday in what may be the start of explosive eruptions that could spew huge ash plumes and hurl smaller rocks for miles (km), the U.S. Geological Survey said.
Such eruptions, last seen nearly a century ago, have been a looming threat since Kilauea, one of the world’s most active volcanoes, erupted nearly two weeks ago.
Explosions in Kilauea’s crater sparked an aviation red alert due to risks the ash plume could blow into aircraft routes and damage jet engines.
More explosions are expected and may be more powerful, the USGS warned. These steam-driven blasts could send a 20,000-foot (6,100-meter) ash plume out of the crater, hurling 10-12 ton boulders up to half a mile (800 meters) and scatter pebble-sized rocks over 12 miles (19 km), the USGS has said.
-snip-
'Ballistic blocks' shoot from Hawaii volcano, may mark start of violent eruptions
Terray Sylvester
4 MIN READ
VOLCANO, Hawaii (Reuters) - “Ballistic blocks” the size of microwave ovens shot from Hawaii’s Kilauea volcano on Wednesday in what may be the start of explosive eruptions that could spew huge ash plumes and hurl smaller rocks for miles (km), the U.S. Geological Survey said.
Such eruptions, last seen nearly a century ago, have been a looming threat since Kilauea, one of the world’s most active volcanoes, erupted nearly two weeks ago.
Explosions in Kilauea’s crater sparked an aviation red alert due to risks the ash plume could blow into aircraft routes and damage jet engines.
More explosions are expected and may be more powerful, the USGS warned. These steam-driven blasts could send a 20,000-foot (6,100-meter) ash plume out of the crater, hurling 10-12 ton boulders up to half a mile (800 meters) and scatter pebble-sized rocks over 12 miles (19 km), the USGS has said.
-snip-
Read more: https://www.reuters.com/article/us-hawaii-volcano/ballistic-blocks-shoot-from-hawaii-volcano-may-mark-start-of-violent-eruptions-idUSKCN1IH2R6
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