Burst Conditions of Explosive Volcanic Eruptions Recorded on Microbarographs-Reference-Cited by-同舟云学术

Burst Conditions of Explosive Volcanic Eruptions Recorded on Microbarographs

Published:1997-02-28 Issue:5304 Volume:275 Page:1290-1293
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Morrissey Meghan M.¹,Chouet Bernard A.²

Affiliation:

1. M. M. Morrissey, U.S. Geological Survey, Box B25046, Federal Center, MS-966, Denver, CO 80225, USA.

2. B. A. Chouet, U.S. Geological Survey, 345 Middlefield Road, MS-977, Menlo Park, CA 94025, USA.

Abstract

Explosive volcanic eruptions generate pressure disturbances in the atmosphere that propagate away either as acoustic or as shock waves, depending on the explosivity of the eruption. Both types of waves are recorded on microbarographs as 1- to 0.1-hertz N-shaped signals followed by a longer period coda. These waveforms can be used to estimate burst pressures and gas concentrations in explosive volcanic eruptions and provide estimates of eruption magnitudes.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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