Earthquakes and Carbon Dioxide Beneath Mammoth Mountain, California

Earthquakes and Carbon Dioxide Beneath Mammoth Mountain, California
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加利福尼亚州猛犸山下的地震和二氧化碳

DOI:
10.1785/gssrl.67.1.8
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发表时间:
1996
影响因子:
3.3
通讯作者:
D. Hill
D. Hill
中科院分区:
地球科学2区
文献类型:
--
作者:
D. Hill

文献摘要

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介绍 1995 年 8 月下旬,任何读报纸或看电视的人都会了解到,二氧化碳气体正在杀死猛犸山侧翼的树木,猛犸山是加利福尼亚州东部长谷火山口西边界的一个滑雪胜地。令附近猛犸湖镇居民惊愕的是,一些耸人听闻的媒体报道给人一种错误的印象,认为致命的二氧化碳促使当地居民疏散,并预示着火山即将爆发。本文将 Farrar 等人描述的二氧化碳排放量置于 . (1995) 在 15 年前开始的 Long Valley 火山口及其附近地区的动乱背景下 (Hill 等人,1985 年;Bailey 和 Hill,1990 年;Langbein 等人,1993 年;Rundle 和 Hill,1988 年)。它特别关注猛犸山下地震活动的时空演变,以及二氧化碳排放缓慢发展的证据,与岩浆过程激活相关的被动现象......
INTRODUCTION Anyone reading a newspaper or watching television in late August, 1995 learned that carbon dioxide gas is killing trees on the flanks of Mammoth Mountain, a ski resort on the western boundary of Long Valley caldera in eastern California. Much to the consternation of residents in the nearby town of Mammoth Lakes, some of the more sensationalist media coverage gave the mistaken impression that deadly CO2 prompted local evacuations and portended an imminent volcanic eruption. This article places the CO2 emissions described by Farrar et al . (1995) in the context of unrest beneath Long Valley caldera and vicinity that began over 15 years ago (Hill et al ., 1985; Bailey and Hill, 1990; Langbein et al ., 1993; Rundle and Hill, 1988). It focuses in particular on the spatial-temporal evolution of seismicity beneath Mammoth Mountain and evidence that the CO2 emissions are slowly developing, passive phenomena related to magmatic processes activated...