突發西海岸7.3級海嘯逼近 BC安全

日期: 2025-07-16 | 來源: 加西網 | 有2人參與評論 | 字體: 小中大
（加西網簡訊）今天周叁中午1點前，阿拉斯加海岸發生7.3級地震後，當地海岸的水位大幅下降，當局發布了海嘯預警，並要求阿拉斯加州沙點市及周邊城鎮所有居民立即撤離！

而BC省官員已確定BC省沿岸沒有海嘯的風險。

EmergencyInfoBC網站在下午2點前發布社交媒體信息，提醒人們“關注BC省的具體信息”。

大約20分鍾後，更新信息顯示BC省沒有發生海嘯的危險。

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

不過，阿拉斯加部分地區已發布海嘯警報。

🚨 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

據美國官員稱，7.3級地震發生在中午12:37分，沙點以南約80公裡處，震源深度約為35公裡。

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

阿拉斯加州拉斯帕裡斯島附近發生 7.2 級地震後 30 分鍾，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

美國國家氣象局使用肆級分級系統向公眾通報海嘯風險，其中警告代表最高危險級別。

該警報涵蓋阿拉斯加南部和阿拉斯加半島的部分地區，從肯尼迪入口到烏尼馬克海峽。

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

根據美國海嘯預警系統，當可能造成大面積洪水的海嘯即將來臨、預計發生或正在發生時，就會發布海嘯預警。

“預警提醒公眾，可能出現伴隨強大水流的危險沿海洪水，並且洪水抵達後可能會持續數小時”。

此外，預警還會促使應急官員“采取行動”，包括在必要時進行疏散。
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