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旧 Jul 18th, 2022, 13:59     #1
HXS1966
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So, 有解决方案嘛?BC政府都不愿意花很多钱搞建设,免得地震一来,统统清零。
那个地震带Cascadia Subduction Zone在温哥华岛的西部(中心离岛西岸大约200公里),并不会对大温地区形成大的直接危害。
根据模型预测,大地震时候,海啸会把温哥华岛的西部的Tofino,Ucluelet,Long Beach一带淹没(Tofino会在水下2米)。Victoria会在部分涌入海湾的弱海啸影响,损害不会大,大温受影响就更小了,西雅图受到影响也不大(影响大的是西海岸的部分大西雅图中部分小镇)。
那个地震带Cascadia Subduction Zone的直接影响区域是西海岸,与大温关系不大。

https://pnsn.org/outreach/earthquakesources/csz
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旧 Jul 18th, 2022, 14:55     #2
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温哥华岛西部的Cascadia Subduction Zone发生6-7级的地震很常见,Tofino,Ucluelet受6-7级地震影响很小;如果发生9级以上大地震,Tofino,Ucluelet会受到强海啸巨大影响(温哥华岛西海岸受到强海啸冲刷的历史痕迹很多),但是Tofino与Ucluelet人口才4000人,受灾人口有限。

不知道是否是有意把温哥华岛与大温混起来讲Cascadia Subduction Zone大地震了,是故意混淆来黑大温?
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旧 Jul 19th, 2022, 12:46     #3
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作者: China_Soul 查看帖子
该来的时候就来,平时人们该干嘛干嘛。richmond地势低,都唱了好多年要海啸水淹的歌了,人口继续增加,房价还是飞涨。这种用一旦blablabla字眼的专家文章,就是耍流氓

刚刚从tofino回来,呆了一周,长滩天天大浪,不知道是不是小地震引起的,就是冲浪过瘾
richmond要海啸水淹的歌多来自野鸡新闻吧。
这是city of richmond 网站的官方对海啸风险的描述:
https://www.richmond.ca/safety/prepa...arthquakes.htm
"Richmond is Not at Significant Risk of Tsunamis
Tsunamis are long, high ocean waves commonly generated by underwater earthquakes. The most recognized source of an underwater earthquake that may cause a tsunami capable of reaching the city of Richmond is from the Cascadia Subduction Zone located in the Pacific Ocean to the west of Vancouver Island. Vancouver Island lies as a kind of breakwater between the Pacific Ocean and Richmond, if a Pacific tsunami was generated it is estimated that waves would dissipate to around 0.5 metres in height as they reach the western shore of the Fraser delta. The City's dikes would adequately mitigate the effects of this type of event."
由于温哥华岛的阻隔与缓冲,大地震形成的海啸到richmond时候已经减轻到0.5米高,影响不大。

大温其实不在任何大地震带明显影响范围内,内陆的西雅图断层带(Seattle Fault)根本影响不到大温,海洋底的大地震带由于大温有温哥华岛的天然屏障保护,也对大温影响很小。
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旧 Jul 19th, 2022, 13:17     #4
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一年200天雨天,年降雨是温哥华的一倍达到3400毫米左右。
是个典型的温带雨林地区,与西雅图西的Olympic National Park一样。
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旧 Jul 19th, 2022, 13:50     #5
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默认

Tofino临海许多地方都被私人占了,共用资源比例太少;国家公园还不错;Ucluelet共用资源建设的不错,但是沿岸多是礁石。
整体不如Olympic National Park。

那里的WCT TRAIL比较热,走1周左右,75公里。


冲浪的话,从Victoria沿着南岸北上的几个地方,如FRENCH BEACH,CHINA BEACH等地方也不错,方便些。
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