突发西海岸7.3级海啸逼近 BC安全

_NEWSDATE: 2025-07-16 | News by: 加西网 | 有2人参与评论 | _FONTSIZE: _FONT_SMALL _FONT_MEDIUM _FONT_LARGE
（加西网简讯）今天周三中午1点前，阿拉斯加海岸发生7.3级地震后，当地海岸的水位大幅下降，当局发布了海啸预警，并要求阿拉斯加州沙点市及周边城镇所有居民立即撤离！

而BC省官员已确定BC省沿岸没有海啸的风险。

EmergencyInfoBC网站在下午2点前发布社交媒体信息，提醒人们“关注BC省的具体信息”。

大约20分钟后，更新信息显示BC省没有发生海啸的危险。

Officials have evaluated the recent M7.3 earthquake that occurred 55 miles (88 KM) South of Sand Point, Alaska and there is NO tsunami threat to #BC. More info: https://t.co/czune36QKE https://t.co/XwfeBXvgS6
— Emergency Info BC (@EmergencyInfoBC) July 16, 2025

不过，阿拉斯加部分地区已发布海啸警报。

🚨 BREAKING: Water is now receding along the Alaskan coast following the 7.3 earthquake, a clear sign a tsunami is approaching.

Residents of Sand Point, Alaska have been ordered to EVACUATE IMMEDIATELY.

The National Weather Service and U.S. Tsunami Warning Center have issued an… pic.twitter.com/tcg1GslJsV
— Hank™ (@HANKonX) July 16, 2025

据美国官员称，7.3级地震发生在中午12:37分，沙点以南约80公里处，震源深度约为35公里。

We have reviewed a magnitude 7.3 earthquake 55 miles south of Sand Point at 12:37 PM AKDT in the Alaska Peninsula region of Alaska, located at a depth of about 9 miles (15 km). The magnitude and location may change slightly as additional data are received and processed. This…
— Alaska Earthquake Center (@AKearthquake) July 16, 2025

阿拉斯加州拉斯帕里斯岛附近发生 7.2 级地震后 30 分钟，水位大幅下降。

JUST IN: Snapchat user showing receding waters in Kodiak, Alaska. pic.twitter.com/vvtTpxKZZ6
— David 🏀📰🌪️ (@CT2TX) July 16, 2025

#BREAKING: Water levels have dropped significantly in the last 30 minutes near Raspberry Island, Alaska, following the M7.2 earthquake.

This could be a sign of an incoming tsunami wave.#TsunamiWarning #Alaska #RaspberryIsland #Earthquake pic.twitter.com/nbK8cSKpil
— upuknews (@upuknews1) July 16, 2025

美国国家气象局使用四级分级系统向公众通报海啸风险，其中警告代表最高危险级别。

该警报涵盖阿拉斯加南部和阿拉斯加半岛的部分地区，从肯尼迪入口到乌尼马克海峡。

Tsunami Update: The National Tsunami Warning Center @nws_ntwc has downgraded this event to a Tsunami Advisory:

A tsunami Advisory is now in effect which includes the coastal areas of Alaska from Kennedy Entrance, Alaska (40 miles SW of Homer) to Unimak Pass, Alaska (80 miles NE…
— Alaska Earthquake Center (@AKearthquake) July 16, 2025

根据美国海啸预警系统，当可能造成大面积洪水的海啸即将来临、预计发生或正在发生时，就会发布海啸预警。

“预警提醒公众，可能出现伴随强大水流的危险沿海洪水，并且洪水抵达后可能会持续数小时”。

此外，预警还会促使应急官员“采取行动”，包括在必要时进行疏散。
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