The DOI matches its Crossref record.
Deep Earthquakes Beneath Mount St. Helens: Evidence for Magmatic Gas Transport?
Abstract
Small-magnitude earthquakes began beneath Mount St. Helens 40 days before the eruption of 20 March 1982. Unlike earlier preeruption seismicity for this volcano, which had been limited to shallow events (less than 3 kilometers), many of these earthquakes were deep (between 5 and 11 kilometers). The location of these preeruptive events at such depth indicates that a larger volume of the volcanic system was affected prior to the 20 March eruption than prior to any of the earlier dome-building eruptions. The depth-time relation between the deep earthquakes and the explosive onset of the eruption is compatible with the upward migration of magmatic gas released from a separate deep reservoir.
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“They suggested that future large explosive eruptions will require significant additional magma input/recharge, which may be preceded by deep long period (DLP) seismicity (Weaver et al. 1983), broad deformation, and gas emissions that have not yet been seen at Mount St. Helens (Dzurisin 2018).”
From Development of a volcanic risk management system at Mount St. Helens—1980 to present (2023) · cites this paper as Weaver et al. 1983
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Research works printed but not linked: 11
- 10.1126/science.221.4618.1383 · DOI · Paper page
- CASHMAN, K.V., PETROLOGIC MONITORING OF 1981 AND 1982 ERUPTIVE PRODUCTS FROM MOUNT ST-HELENS, SCIENCE 221: 1385 (1983). · DOI
- 10.1126/science.221.4618.1378 · DOI
- 10.1126/science.221.4618.1381 · DOI
- KOHLER, W.M., UPPER CRUSTAL STRUCTURE OF THE MOUNT HOOD, OREGON, REGION AS REVEALED BY TIME TERM ANALYSIS, JOURNAL OF GEOPHYSICAL RESEARCH 87: 339 (1982). · DOI
- LIPMAN, P.W., U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 1250: 631 (1981).
- 10.1126/science.221.4618.1376 · DOI · Paper page
- MALONE, S.D., U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 1250: 803 (1981).
- Minakami, T., Developments in Solid Earth Geophysics 6: 313 (1974). · DOI
- Shimozuru, D., The Surveillance and Prediction of Volcanic Activity: 19 (1972).
- WEAVER, C.S., U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 1250: 109 (1981).
Cited by
Development of a volcanic risk management system at Mount St. Helens—1980 to present
Wright, H. M. N., Driedger, C. L., Pallister, J. S., Newhall, C. G., Clynne, M. A., & Ewert, J. W. (2023) · Bulletin of Volcanology · doi:10.1007/s00445-023-01663-y · Cited by 10
Metadata
- Authors
- Weaver, C. S., Zollweg, J. E., & Malone, S. D.
- Venue
- Science
- Published
- 1983-09-30
- Volume
- 221
- Issue
- 4618
- Pages
- 1391-1394
- ISSN
- 0036-8075
- 1095-9203
- Cited by
- 33
- References
- 0
- Language
- en
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