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1.媒体来源:
外媒 sciencealert
2.记者署名:
David Nield
3.完整新闻标题:
Earthquakes Under Alaskan Volcano Could Be Sign It's About to Erupt
阿拉斯加火山已满足地震在内各项爆发指标
4.完整新闻内文:
Earthquakes Under Alaskan Volcano Could Be Sign It's About to Erupt
Nature
18 February 2025
By David Nield
Mount Spurr
The noise around Mount Spurr is increasing. (Matt Loewen/Alaska Volcano
Observatory/US Geological Survey)
Mount Spurr in Alaska – rising some 3,370 meters or 11,070 feet above sea
level – could be about to erupt, with the number of small and recent
earthquakes in the area now into the thousands.
阿拉斯加火山下的地震可能是其即将喷发的征兆
自然
2025 年 2 月 18 日
经过大卫·尼尔德
斯珀尔山
斯珀尔山周围的噪音越来越大。 (马特洛文/阿拉斯加火山观测站/美国地质调查局)
阿拉斯加的斯珀尔山海拔约 3,370 公尺或 11,070 英尺,可能即将喷发,该地区最近发
生的小地震次数已达数千次。
Volcano seismologist Matthew Haney, from the Alaska Volcano Observatory in
Anchorage, told Julia Jacobo at ABC News that the chances of an eruption now
stand at about 50-50. That's after a noticeable increase in activity over the
past 10 months.
As the volcano is only 130 kilometers or 80 miles west of Anchorage –
population 286,075 – there's a real chance of danger to life. The city could
be cloaked in a dust cloud if an eruption happens, as has happened in the
past.
安克雷奇阿拉斯加火山观测站的火山地震学家马修哈尼告诉美国广播公司新闻台的朱莉娅
雅各布,现在火山爆发的可能性约为 50%。这是在过去 10 个月中活动量明显增加的结果
。
由于这座火山距离安克拉治(人口 286,075)以西仅 130 公里或 80 英里,因此存在很
大的生命危险。如果发生火山爆发,这座城市可能会被尘埃云笼罩,就像过去发生过的那
样。
The video below shows the fallout of a 1953 eruption from the same volcano,
which shot an ash cloud more than 10,000 meters above sea level. There's
footage of people wiping ash from their vehicles and a snapshot of a headline
from the Anchorage Daily News that reads "City 'Digging Out'." No deaths were
associated with the eruption:
以下的影片展示了 1953 年同一座火山爆发的后果,当时喷出的火山灰云高达海拔
10,000 多公尺。有影片显示人们正在擦拭车辆上的灰烬,还有一张《安克雷奇每日新闻
》的头条新闻快照,上面写着“城市‘挖掘’”。此次火山爆发并未造成人员死亡:
https://youtu.be/PsR8Y3azASI?si=CMsOsrvlzEaLdawA
"Unrest continues at Mount Spurr, with numerous small, shallow volcanic
earthquakes detected beneath the volcano," explains a recent volcano notice
from the United States Geological Survey (USGS).
"Earthquakes are being located under the north side of the Spurr summit vent
over the past day."
The image below shows the steady increase in earthquakes gathering in the
region as well as their distance from the volcano.
美国地质调查局(USGS)最近发布的火山通知解释道:“斯珀尔山的骚动仍在继续,火山
下方检测到多次小型浅层火山地震。”
“过去一天,斯珀尔峰顶火山口北侧下方发生了地震。”
下图显示了该地区地震的稳定增加以及它们与火山的距离。
Volcanic activity
Increased activity around Mount Spurr. (Alaska Volcano Observatory)
斯珀尔山周边活动增加。 (阿拉斯加火山观测站)
The last eruption from Mount Spurr was actually three eruptions, which
happened across several months in 1992. The airport at Anchorage was forced
to close for 20 hours because of the cloud of dust and ash that enveloped the
city.
There was a single fatality reported – from a heart attack triggered by
shoveling ash fall – as well as a couple of millions of dollars of damage.
Then, as now, there were several months of activity build-up.
Mt Spurr 1992
1992 Mount Spurr eruption. (McGimsey, US Geological Survey, 1992)
斯珀尔山上次喷发其实是1992 年的三次喷发,持续了几个月。由于尘土和火山灰笼罩整
个城市,安克雷奇机场被迫关闭20小时。
据报道,有一人因铲除落下的火山灰而引发心脏病发作而死亡,并造成了数百万美元的损
失。当时,就像现在一样,活动已经进行了几个月的累积。
1992 年斯珀山
1992 年斯珀尔山爆发。 (McGimsey,美国地质调查局,1992 年)
Besides the small quakes, scientists have noticed the volcano swelling by
about 6.4 centimeters (2.5 inches), according to Haney – another sign that
something is building up below the surface, ready to blow.
However, it's not quite time to take emergency measures yet. Similar
rumblings from Mount Spurr were recorded in 2004 and 2012, but weren't
followed by eruptions – and this could be another similar scenario.
Mount Spurr Ash
Ash fall deposit in Anchorage. The ash is from the August 1992 Crater Peak
eruption, Spurr Volcano. (McGimsey/Alaska Volcano Observatory)
哈尼表示,除了小地震外,科学家还注意到火山膨胀了约 6.4 公分(2.5 英吋),这是
地表下有某种物质正在积聚并随时可能爆发的迹象。
然而,现在还未到采取紧急措施的时候。2004 年和2012 年,斯珀尔山也曾传出类似的轰
隆声,但随后并未爆发——这可能是另一种类似的情况。
斯珀尔山灰烬
安克拉治的火山灰沉积物。火山灰是 1992 年 8 月斯珀尔火山 (Crater Peak) 喷发时产
生的。 (麦吉姆西/阿拉斯加火山观测站)
In addition, the experts at the USGS say more seismic activity than we've
seen so far would be expected before an eruption, including around the
fumaroles or vents in the rock. Hopefully, plenty of advance warning will be
given if an eruption is about to happen.
"Based on previous eruptions, changes from current activity in the
earthquakes, ground deformation, summit lake, and fumaroles would be expected
if magma began to move closer to the surface," says the USGS.
"Therefore, it is very likely that if an eruption were to occur it would be
preceded by additional signals that would allow advance warning."
此外,美国地质调查局的专家表示,火山爆发前可能会出现比迄今为止看到的更多的地震
活动,包括岩石中的喷气孔或通风口周围。希望如果火山爆发即将发生,能够提前发出足
够的警告。
美国地质调查局表示: “根据先前的火山爆发情况,如果岩浆开始靠近地表,预计地震
、地面变形、山顶湖泊和喷气孔等当前活动将发生变化。”
“因此,如果火山爆发,很有可能会先发出额外信号以提前发出预警。”
Volcanologists are now keeping a very close eye on Mount Spurr to try and get
a better idea of what's happening deep down in the rock. As we know from very
recent history, these eruptions can be monumental.
火山学家目前正在密切关注斯珀尔山,试图更好地了解岩石深处发生的情况。从近代历史
中我们知道,这些火山爆发的威力可能是巨大的。
5.完整新闻连结 (或短网址)不可用YAHOO、LINE、MSN等转载媒体:
https://reurl.cc/jQKNQL
6.备注:
GG 预言中最后一任的教宗生重病,弘法大师空海退神也不管了。
https://disp.cc/b/Gossiping/hfu4
爆发机率过半,怕.jpg
https://youtu.be/OD10DsWk1NY?si=tiIt20N5LMFYXTzf