阿拉斯加灣地震及海嘯事件說明
20180123_Alaska_Earthquake.pdf (585.68 KB, 下載次數: 0)

2018-1-23 22:42 上傳

點擊文件名下載附件

餘震不斷，M4.0以上震餘20起，最大M5.6

預計假如真有海嘯發生, 第一波抵達地點為夏威夷, 預計時間: 0426 AM HST TUE 23 JAN 2018, 大約離現在五個小時之後. 持續觀察

000
WEHW40 PHEB 230943
TSUHWX
HIZ001>003-005>009-012>014-016>021-023>026-231143-
/O.NEW.PHEB.TS.A.0001.180123T0943Z-000000T0000Z/

BULLETIN
TSUNAMI MESSAGE NUMBER   1
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
1143 PM HST MON JAN 22 2018

TO - EMERGENCY MANAGEMENT IN THE STATE OF HAWAII

SUBJECT - TSUNAMI WATCH

A TSUNAMI WATCH IS ISSUED FOR THE STATE OF HAWAII EFFECTIVE AT
1143 PM HST.

AN EARTHQUAKE HAS OCCURRED WITH THESE PRELIMINARY PARAMETERS

   ORIGIN TIME - 1132 PM HST 22 JAN 2018
   COORDINATES - 56.0 NORTH  149.2 WEST
   LOCATION    - GULF OF ALASKA
   MAGNITUDE   - 8.0  MOMENT

EVALUATION

BASED ON ALL AVAILABLE DATA A TSUNAMI MAY HAVE BEEN GENERATED BY
THIS EARTHQUAKE THAT COULD BE DESTRUCTIVE ON COASTAL AREAS EVEN
FAR FROM THE EPICENTER. AN INVESTIGATION IS UNDERWAY TO DETERMINE
IF THERE IS A TSUNAMI THREAT TO HAWAII.

IF TSUNAMI WAVES IMPACT HAWAII THE ESTIMATED EARLIEST ARRIVAL OF
THE FIRST TSUNAMI WAVE IS

                     0426 AM HST TUE 23 JAN 2018

FURTHER MESSAGES WILL BE ISSUED HOURLY OR SOONER AS CONDITIONS
WARRANT UNTIL THE THREAT TO HAWAII HAS PASSED.

$$

最終下修到M7.9

CWB海嘯第一報，估不會影響台灣

上修到M8.2