29:
622:
675:
745:
765:
435:
There are other volcanoes in the northern
Cascades region that have not been assessed one of these risk levels which warrant monitoring. Volcanoes that have not erupted during the
338:
740:
177:
According to USGS risk assessment of volcanoes located in the northern
Cascades region, the following volcanoes were ranked "very high threat potential".
716:
659:
439:
period were not included. USGS has noted, though less probable, that it is still possible for volcanoes to erupt on longer intervals than mentioned.
760:
755:
174:
This list shows volcanoes currently monitored by the
Cascades Volcano Observatory, which range in order of highest to lowest risk assessment.
770:
28:
472:, Editors - John W. Ewert and Donald A. Swanson, United States Geological Survey, United States Government Printing Office, 1992, page 1
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115:, who was swept away in the Mount St. Helens eruption on the morning of May 18, 1980. The observatory's current territory covers
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140:
376:
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139:, previously fell under the CVO's jurisdiction. However, these volcanoes now fall under the jurisdiction of the
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403:
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Monitoring
Volcanoes: Techniques and Strategies Used by the Staff of the Cascades Volcano Observatory, 1980-90
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54:
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729:
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100:
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The
Cascades Volcano Observatory is part of the USGS, a scientific agency of the
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33:
Front of the main building of the David A. Johnston
Cascades Volcano Observatory
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147:, which monitors and researches volcanic activity throughout California and
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79:
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The following volcanoes were ranked "Low to Very Low Threat
Potential":
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Cascades
Volcano Observatory, Main Page -- Risk Assessment of Volcanoes
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This article about a specific United States geological feature is a
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103:. It was established in the summer of 1980, after the eruption of
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The following volcanoes were ranked "moderate threat potential":
526:
268:
The following volcanoes were ranked "high threat potential":
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633:
523:"WOVO.org: World Organization of Volcano Observatories"
497:"Meet the USGS's Newest Volcano Observatory: CalVO"
75:
61:
50:
42:
37:
99:in the US that monitors volcanoes in the northern
746:Buildings and structures in Vancouver, Washington
456:Cascades Volcano Observatory, Connect (Contacts)
431:in southwestern Washington near Mount St. Helens
391:in southwestern Washington near Mount St. Helens
131:, and Cascade volcanoes in that state, such as
127:. The Cascade Range's extent includes northern
766:Buildings and structures in Washington (state)
143:(CalVO), formed in February 2012 and based in
89:David A. Johnston Cascades Volcano Observatory
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8:
19:
16:Research center in Washington, United States
415:in west central Oregon near Mount Jefferson
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68:Dr. Jon Major, Scientist-in-Charge (USGS)
741:Government agencies established in 1980
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334:in southwestern Oregon near Crater Lake
80:https://www.usgs.gov/observatories/cvo
18:
7:
671:
669:
618:
616:
423:in southeastern Idaho near Pocatello
495:Klemetti, Erik (10 February 2012).
689:. You can help Knowledge (XXG) by
632:. You can help Knowledge (XXG) by
339:Craters of the Moon Volcanic Field
14:
673:
620:
290:in west central Oregon near Bend
264:in west central Oregon near Bend
242:in southwestern Washington near
761:United States Geological Survey
484:The Legacy of David A. Johnston
109:United States Geological Survey
107:. The observatory is named for
20:United States Geological Survey
756:Volcanoes of the United States
141:California Volcano Observatory
1:
308:Black Butte Crater Lava Field
412:Sand Mountain Volcanic Field
369:in southeastern Oregon near
358:Devils Garden Volcanic Field
220:in northwestern Oregon near
22:Cascades Volcano Observatory
771:United States geology stubs
380:in southeastern Idaho near
377:Hell's Half Acre Lava Field
342:in southeastern Idaho near
231:in central Washington near
792:
668:
615:
558:, Retrieved Dec. 29. 2021.
458:, Retrieved Jan. 19, 2023.
277:in southwestern Washington
474:, Retrieved May 11, 2018.
350:Davis Lake Volcanic Field
26:
156:United States government
253:in central Oregon near
599:45.61083°N 122.49667°W
407:in northwestern Oregon
399:in southeastern Oregon
212:in northern Washington
145:Menlo Park, California
751:Volcano observatories
160:Vancouver, Washington
111:(USGS) volcanologist
55:Vancouver, Washington
604:45.61083; -122.49667
595: /
170:Monitored volcanoes
166:metropolitan area.
158:. It is located in
97:volcano observatory
23:
326:in northern Oregon
776:Volcanology stubs
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361:in central Oregon
353:in central Oregon
303:in central Oregon
113:David A. Johnston
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323:Blue Lake Crater
250:Newberry Volcano
239:Mount St. Helens
186:in southwestern
164:Portland, Oregon
105:Mount St. Helens
62:Agency executive
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366:Diamond Craters
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38:Agency overview
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201:in northern
198:Glacier Peak
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133:Mount Shasta
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51:Headquarters
683:volcanology
602: /
590:122°29′48″W
507:11 February
503:. Wired.com
428:West Crater
382:Idaho Falls
274:Mount Adams
209:Mount Baker
183:Crater Lake
137:Lassen Peak
730:Categories
587:45°36′39″N
533:2009-12-10
443:References
217:Mount Hood
203:Washington
129:California
121:Washington
501:Eruptions
344:Pocatello
244:Vancouver
437:Holocene
317:Shoshone
222:Portland
162:in the
95:) is a
76:Website
233:Tacoma
188:Oregon
149:Nevada
123:, and
117:Oregon
43:Formed
681:This
371:Burns
315:near
313:Idaho
190:near
125:Idaho
57:, USA
687:stub
630:stub
509:2012
255:Bend
135:and
87:The
46:1980
93:CVO
732::
542:^
499:.
151:.
119:,
718:e
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693:.
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536:.
511:.
91:(
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