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2021/02/10 新喀里多尼亞東南海域 M7.7 NWS:海嘯警報

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發佈時間: 2021-2-10 21:52

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本帖最後由 周子堯@FB 於 2021-2-10 22:18 編輯 M 7.5 - southeast of the Loyalty Islands 2021-02-10 13:20:00 (UTC)23.279°S 171.489°E10.0 km depthM 7.7 - southeast of the Loyalty IslandsTime2021-02-10 ...

alu 發表於 2021-2-11 15:40

M 6.0 - southeast of the Loyalty Islands
2021-02-11 06:52:30 (UTC)23.302°S 171.715°E10.0 km depth


exposure.png

krichard2011 發表於 2021-2-11 11:38
本次地震記錄到最高 78公分的海嘯~

TSUNAMI OBSERVATIONS
--------------------

  * THE FOLLOWING ARE TSUNAMI WAVE OBSERVATIONS FROM COASTAL
    AND/OR DEEP-OCEAN SEA LEVEL GAUGES AT THE INDICATED
    LOCATIONS. THE MAXIMUM TSUNAMI HEIGHT IS MEASURED WITH
    RESPECT TO THE NORMAL TIDE LEVEL.

                            GAUGE      TIME OF   MAXIMUM     WAVE
                         COORDINATES   MEASURE   TSUNAMI   PERIOD
    GAUGE LOCATION        LAT   LON     (UTC)     HEIGHT    (MIN)
    -------------------------------------------------------------
    APIA UPOLU WS        13.8S 171.8W    1733   0.03M/ 0.1FT  12
    FONGAFALE TV          8.5S 179.2E    1730   0.05M/ 0.2FT  06
    GREAT BARRIER IS NZ  36.2S 175.5E    1653   0.75M/ 2.5FT  12
    DART 01000           38.2S 179.8W    1613   0.01M/ 0.0FT  08
    KINGSTON NORFOLK IS  29.1S 168.0E    1550   0.48M/ 1.6FT  06
    EAST CAPE NZ         37.6S 178.2E    1609   0.20M/ 0.7FT  06
    NORTH CAPE NZ        34.4S 173.0E    1553   0.22M/ 0.7FT  06
    LIFOU NEW CALEDONIA  20.9S 167.3E    1522   0.19M/ 0.6FT  08
    MARE NEW CALEDONIA   21.5S 167.9E    1513   0.13M/ 0.4FT  06
    SUVA VITI LEVU FJ    18.1S 178.4E    1511   0.05M/ 0.2FT  28
    OUINNE NEW CALEDONI  22.0S 166.7E    1501   0.29M/ 1.0FT  08
    LENAKEL VU           19.5S 169.3E    1441   0.78M/ 2.6FT  04

alu 發表於 2021-2-11 03:40

M 6.1 - southeast of the Loyalty Islands
2021-02-10 18:36:41 (UTC)22.773°S 171.146°E10.0 km depth


exposure (1).png
alu 發表於 2021-2-11 01:42
M 6.1 - southeast of the Loyalty Islands
2021-02-10 16:35:23 (UTC)22.838°S 171.077°E10.0 km depth


exposure.png


krichard2011 發表於 2021-2-10 22:57
稍早 LENAKEL VU 觀測到 64公分海嘯
海嘯注意報持續中~
  1. ZCZC
  2. WEPA40 PHEB 101452
  3. TSUPAC

  5. TSUNAMI MESSAGE NUMBER 3
  6. NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
  7. 1451 UTC WED FEB 10 2021

  9. ...PTWC TSUNAMI THREAT MESSAGE...


  12. **** NOTICE **** NOTICE **** NOTICE **** NOTICE **** NOTICE *****

  14. THIS MESSAGE IS ISSUED FOR INFORMATION ONLY IN SUPPORT OF THE
  15. UNESCO/IOC PACIFIC TSUNAMI WARNING AND MITIGATION SYSTEM AND IS
  16. MEANT FOR NATIONAL AUTHORITIES IN EACH COUNTRY OF THAT SYSTEM.

  18. NATIONAL AUTHORITIES WILL DETERMINE THE APPROPRIATE LEVEL OF
  19. ALERT FOR EACH COUNTRY AND MAY ISSUE ADDITIONAL OR MORE REFINED
  20. INFORMATION.

  22. **** NOTICE **** NOTICE **** NOTICE **** NOTICE **** NOTICE *****

  24. THE TSUNAMI FORECAST IS UNCHANGED IN THIS MESSAGE.


  27. PRELIMINARY EARTHQUAKE PARAMETERS
  28. ---------------------------------

  30.   * MAGNITUDE      7.7
  31.   * ORIGIN TIME    1320 UTC FEB 10 2021
  32.   * COORDINATES    23.1 SOUTH  171.5 EAST
  33.   * DEPTH          33 KM / 20 MILES
  34.   * LOCATION       SOUTHEAST OF LOYALTY ISLANDS


  37. EVALUATION
  38. ----------

  40.   * AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 7.7 OCCURRED
  41.     SOUTHEAST OF THE LOYALTY ISLANDS AT 1320 UTC ON WEDNESDAY
  42.     FEBRUARY 10 2021.

  44.   * TSUNAMI WAVES HAVE BEEN OBSERVED.

  46.   * BASED ON ALL AVAILABLE DATA... HAZARDOUS TSUNAMI WAVES ARE
  47.     FORECAST FOR SOME COASTS.


  50. TSUNAMI THREAT FORECAST
  51. -----------------------

  53.   * TSUNAMI WAVES REACHING 0.3 TO 1 METERS ABOVE THE TIDE LEVEL
  54.     ARE POSSIBLE FOR SOME COASTS OF

  56.       FIJI... NEW ZEALAND... AND VANUATU.


  59.   * TSUNAMI WAVES ARE FORECAST TO BE LESS THAN 0.3 METERS ABOVE
  60.     THE TIDE LEVEL FOR THE COASTS OF

  62.       AMERICAN SAMOA... AUSTRALIA... CHUUK... COOK ISLANDS...
  63.       FRENCH POLYNESIA... HOWLAND AND BAKER... JARVIS ISLAND...
  64.       KERMADEC ISLANDS... KIRIBATI... KOSRAE... MARSHALL
  65.       ISLANDS... NAURU... NEW CALEDONIA... NIUE... PALMYRA
  66.       ISLAND... PAPUA NEW GUINEA... POHNPEI... SAMOA... SOLOMON
  67.       ISLANDS... TOKELAU... TONGA... TUVALU... AND WALLIS AND
  68.       FUTUNA.


  71.   * ACTUAL AMPLITUDES AT THE COAST MAY VARY FROM FORECAST
  72.     AMPLITUDES DUE TO UNCERTAINTIES IN THE FORECAST AND LOCAL
  73.     FEATURES. IN PARTICULAR MAXIMUM TSUNAMI AMPLITUDES ON ATOLLS
  74.     AND AT LOCATIONS WITH FRINGING OR BARRIER REEFS WILL LIKELY
  75.     BE MUCH SMALLER THAN THE FORECAST INDICATES.

  77.   * FOR OTHER AREAS COVERED BY THIS PRODUCT A FORECAST HAS NOT
  78.     YET BEEN COMPUTED. THE FORECAST WILL BE EXPANDED IF
  79.     NECESSARY IN SUBSEQUENT PRODUCTS.


  82. RECOMMENDED ACTIONS
  83. -------------------

  85.   * GOVERNMENT AGENCIES RESPONSIBLE FOR THREATENED COASTAL AREAS
  86.     SHOULD TAKE ACTION TO INFORM AND INSTRUCT ANY COASTAL
  87.     POPULATIONS AT RISK IN ACCORDANCE WITH THEIR OWN
  88.     EVALUATION... PROCEDURES AND THE LEVEL OF THREAT.

  90.   * PERSONS LOCATED IN THREATENED COASTAL AREAS SHOULD STAY ALERT
  91.     FOR INFORMATION AND FOLLOW INSTRUCTIONS FROM NATIONAL AND
  92.     LOCAL AUTHORITIES.


  95. ESTIMATED TIMES OF ARRIVAL
  96. --------------------------

  98.   * ESTIMATED TIMES OF ARRIVAL -ETA- OF THE INITIAL TSUNAMI WAVE
  99.     FOR PLACES WITHIN THREATENED REGIONS ARE GIVEN BELOW. ACTUAL
  100.     ARRIVAL TIMES MAY DIFFER AND THE INITIAL WAVE MAY NOT BE THE
  101.     LARGEST. A TSUNAMI IS A SERIES OF WAVES AND THE TIME BETWEEN
  102.     WAVES CAN BE FIVE MINUTES TO ONE HOUR.

  104.     LOCATION         REGION             COORDINATES    ETA(UTC)
  105.     ------------------------------------------------------------
  106.     ANATOM ISLAND    VANUATU           20.2S 169.9E   1357 02/10
  107.     ESPERITU SANTO   VANUATU           15.1S 167.3E   1500 02/10
  108.     SUVA             FIJI              18.1S 178.4E   1508 02/10
  109.     NORTH CAPE       NEW ZEALAND       34.4S 173.3E   1520 02/10
  110.     LOTTIN POINT     NEW ZEALAND       37.5S 178.2E   1559 02/10
  111.     WHANGAREI        NEW ZEALAND       35.8S 174.5E   1559 02/10
  112.     MOUNT MAUNGANUI  NEW ZEALAND       37.6S 176.2E   1612 02/10
  113.     PORT TAURANGA    NEW ZEALAND       37.7S 176.2E   1622 02/10
  114.     AUCKLAND WEST    NEW ZEALAND       37.1S 174.2E   1624 02/10
  115.     NEW PLYMOUTH     NEW ZEALAND       39.1S 174.1E   1704 02/10
  116.     AUCKLAND EAST    NEW ZEALAND       36.7S 175.0E   1705 02/10
  117.     WANGANUI         NEW ZEALAND       39.9S 175.0E   1900 02/10


  120. POTENTIAL IMPACTS
  121. -----------------

  123.   * A TSUNAMI IS A SERIES OF WAVES. THE TIME BETWEEN WAVE CRESTS
  124.     CAN VARY FROM 5 MINUTES TO AN HOUR. THE HAZARD MAY PERSIST
  125.     FOR MANY HOURS OR LONGER AFTER THE INITIAL WAVE.

  127.   * IMPACTS CAN VARY SIGNIFICANTLY FROM ONE SECTION OF COAST TO
  128.     THE NEXT DUE TO LOCAL BATHYMETRY AND THE SHAPE AND ELEVATION
  129.     OF THE SHORELINE.

  131.   * IMPACTS CAN ALSO VARY DEPENDING UPON THE STATE OF THE TIDE AT
  132.     THE TIME OF THE MAXIMUM TSUNAMI WAVES.

  134.   * PERSONS CAUGHT IN THE WATER OF A TSUNAMI MAY DROWN... BE
  135.     CRUSHED BY DEBRIS IN THE WATER... OR BE SWEPT OUT TO SEA.


  138. TSUNAMI OBSERVATIONS
  139. --------------------

  141.   * THE FOLLOWING ARE TSUNAMI WAVE OBSERVATIONS FROM COASTAL
  142.     AND/OR DEEP-OCEAN SEA LEVEL GAUGES AT THE INDICATED
  143.     LOCATIONS. THE MAXIMUM TSUNAMI HEIGHT IS MEASURED WITH
  144.     RESPECT TO THE NORMAL TIDE LEVEL.

  146.                             GAUGE      TIME OF   MAXIMUM     WAVE
  147.                          COORDINATES   MEASURE   TSUNAMI   PERIOD
  148.     GAUGE LOCATION        LAT   LON     (UTC)     HEIGHT    (MIN)
  149.     -------------------------------------------------------------
  150.     LENAKEL VU           19.5S 169.3E    1437   0.64M/ 2.1FT  04
  151.     MARE NEW CALEDONIA   21.5S 167.9E    1437   0.06M/ 0.2FT  06
  152.     OUINNE NEW CALEDONI  22.0S 166.7E    1432   0.12M/ 0.4FT  10
  153.     LIFOU NEW CALEDONIA  20.9S 167.3E    1437   0.38M/ 1.3FT  04


  156. NEXT UPDATE AND ADDITIONAL INFORMATION
  157. --------------------------------------

  159.   * THE NEXT MESSAGE WILL BE ISSUED IN ONE HOUR... OR SOONER IF
  160.     THE SITUATION WARRANTS.

  162.   * AUTHORITATIVE INFORMATION ABOUT THE EARTHQUAKE FROM THE U.S.
  163.     GEOLOGICAL SURVEY CAN BE FOUND ON THE INTERNET AT
  164.     EARTHQUAKE.USGS.GOV.

  166.   * FURTHER INFORMATION ABOUT THIS EVENT MAY BE FOUND AT
  167.     WWW.TSUNAMI.GOV.

  169.   * COASTAL REGIONS OF HAWAII... AMERICAN SAMOA... GUAM... AND
  170.     CNMI SHOULD REFER TO PACIFIC TSUNAMI WARNING CENTER MESSAGES
  171.     SPECIFICALLY FOR THOSE PLACES THAT CAN BE FOUND AT
  172.     WWW.TSUNAMI.GOV.

  174.   * COASTAL REGIONS OF CALIFORNIA... OREGON... WASHINGTON...
  175.     BRITISH COLUMBIA AND ALASKA SHOULD ONLY REFER TO U.S.
  176.     NATIONAL TSUNAMI WARNING CENTER MESSAGES THAT CAN BE FOUND
  177.     AT WWW.TSUNAMI.GOV.

  179. $



  183. NNNN


複製代碼


周子堯@FB 發表於 2021-2-10 22:03
Time
2021-02-10 21:02:00 (UTC+08:00)
Location
22.782°S 171.578°E
Depth
10.0 km
image (1).jpg


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