[DOC] [TLE] Mount St. Helens Eruptive History - Page 2 [PAR] began as the sudden unloading of much of the volcano's north flank abruptly ... 
The creation of the "quiet zone" and the degree to which the eruption ... The blast 
of May 18, 1980, however, traveled at least three times as far as the 1,100-year- 
... Washington, about 195 miles from Mount St. Helens, where nearly 2 inches of
... [DOC] [TLE] Mount Pinatubo - Wikipedia [PAR] Mount Pinatubo is an active stratovolcano in the Cabusilan Mountains on the 
island of Luzon, ... Surrounding areas were severely damaged by pyroclastic 
flows, ash deposits, ... side of the edge of the island of Luzon called the Zambales 
Mountains. ... He recognized two life histories of the mountain, which he 
classified as... [DOC] [TLE] Volcanoes of the United States [USGS] [PAR] Jan 4, 1999 ... Though few people in the United States may actually experience an erupting 
volcano, the evidence for earlier volcanism is preserved in many rocks of North 
America. .... surface is covered with lava flows that are less than 1,100 years old. 
... The 1980 eruption of Mount St. Helens in southwest Washington... [DOC] [TLE] Sunset Crater National Monument Geologic ... - National Park Service [PAR] general, diverse audience, and may contain NPS policy considerations or 
address ..... Figure 4: View of lava flow in Sunset Crater Volcano National .... John 
Wesley Powell named Sunset Mountain in 1892 ... in north- central Arizona, is 
along the very southern edge ..... constructed when hot volcanic cinders and ash 
(1100-. [DOC] [TLE] Mt. St. Helens: Is It Going to Blow? - Trusted Choice [PAR] Dec 17, 2013 ... The mudslides and lava flows can burn and bury entire towns. Breathing the ash 
can ... But the one that stands out occurred on May 18th, 1980. [DOC] [TLE] Cascade Range - New World Encyclopedia [PAR] The Cascade Range is a major mountain range of western North America, 
extending ... region of North America, and have been a major facet of life for 
generations of .... Northwest side of Mount Rainier seen from Tacoma, WA. .... 
The northern part of the mountain was destroyed in the blast (1980 Mount St. 
Helens eruption). [DOC] [TLE] The 22 March 2014 Oso Landslide, Snohomish County, Washington [PAR] Mar 22, 2014 ... 4.1 History of Landsliding along the North Fork Stillaguamish River Valley ....48 
..... being examined by GEER team members on May 23, 2014. ... It transitioned 
to a catastrophic debris flow (often referred to as a ..... on the East side of the Oso 
Landslide occurred around 1960. ..... (4.4 to 8.9 degrees C). [DOC] [TLE] Volcanoes facts, information, pictures | Encyclopedia.com articles ... [PAR] Hydrothermal vents are surrounded by unusual forms of sea life, including giant 
... In a Strombolian phase (named after the Stomboli volcano on an island north 
of ... Shield volcanoes are built primarily by a series of lava flows that pile one on 
top of ... On the morning of May 18, 1980, Mount St. Helens in Washington 
erupted... [DOC] [TLE] Mount Rainier: Danger at our door - The Seattle Times [PAR] But on May 18, 1980, when Mount St. Helens brandished the explosive ... ice and 
water slide off the mountain, are most likely to come off the western side, ... And 
while both can create flows of lava, Rainier's magma - the molten rock ... The so-
called Osceola mudflow, the largest ever on the mountain, moved north and west,
... [DOC] [TLE] Mount St Helen's Field Guild (2.5mb, PDF) - sgmeet.com [PAR] the 1980 eruption of Mount St. Helens, Washington. After the disaster: The ... On 
18 May 1980, an ensemble of volcanic processes, including a debris avalanche... [DOC] [TLE] Near Southeast's Violent Deaths: 1987-2004, An Overview (Sunday ... [PAR] Jun 27, 2010 ... We've lived one block north of the freeway near Results since 1985 ... and old 
folks struggling to create a life in Ellen Wilson, Carrolsburg, ... for the valley he led 
us into with no path to the mountain

Question: In May 1980 life on the north side of this Washington mountain was obliterated by an 1,100-degree flow
Answer: Mount St. Helens