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The eruption had negative effects beyond the immediate area of the volcano. Ashfall caused approximately $100 million of damage to agriculture downwind in Eastern Washington, equivalent to $370 million in 2023. [78] [79] The eruption also had positive impacts on society.
Generally, given that the way airborne ash is deposited after an eruption is strongly influenced by the meteorological conditions, a certain variation of the ash type will occur, as a function of distance to the volcano or time elapsed from eruption. The ash from Mount St. Helens is no exception, hence the ash properties have large variations. [44]
Mount St. Helens National Volcanic Monument is a U.S. National Monument that includes the area around Mount St. Helens in Cowlitz and Skamania Counties, Washington.It was established on August 27, 1982, by U.S. President Ronald Reagan, following the 1980 eruption. [2]
Kanlaon on the central Negros Island is one of the 24 active volcanoes in the Philippines. It erupted for nearly four minutes on Monday, sending a massive column of volcanic ash high into the sky ...
Over 400 earthquakes have been detected beneath Washington's Mount St. Helens in recent months, though there are no signs of an imminent eruption.
The Philippines' Taal Volcano near the capital region has erupted, spewing a plume of steam that was more than 2 km (1.24 miles) high, the seismology agency said on Wednesday. Taal, located about ...
The Cascade Volcanoes are part of the Pacific Ring of Fire, the ring of volcanoes and associated mountains around the Pacific Ocean. The Cascade Volcanoes have erupted several times in recorded history. Two most recent were Lassen Peak in 1914 to 1921 and a major eruption of Mount St. Helens in 1980.
MANILA (Reuters) -The alert level has been raised at a volcano in the central Philippines after it erupted, sending a 5-kilometre (3.1-miles) high ash cloud into the sky, the country's seismology ...