TYB
Have anons seen this one before?
Figured it had. Thanks anon.
>https://www.tsunami.gov/
#YY MM DD hh mm ss T HEIGHT
#yr mo dy hr mn s - m
2020 07 22 06 21 45 3 4486.223
2020 07 22 06 21 30 3 4486.198
2020 07 22 06 21 15 3 4486.227
2020 07 22 06 21 00 3 4486.255
2020 07 22 06 20 45 3 4486.012
2020 07 22 06 20 30 3 4486.878
2020 07 22 06 20 15 3 4485.813
2020 07 22 06 20 00 3 4486.647
2020 07 22 06 19 45 3 4486.407
2020 07 22 06 19 30 3 4487.763
2020 07 22 06 19 15 3 4485.871
2020 07 22 06 19 00 3 4485.349
2020 07 22 06 18 45 3 4486.631
2020 07 22 06 18 30 3 4487.552
2020 07 22 06 18 15 3 4487.198
2020 07 22 06 18 00 3 4485.019
2020 07 22 06 17 45 3 4484.512
2020 07 22 06 17 30 3 4486.930
2020 07 22 06 17 15 3 4488.173
2020 07 22 06 17 00 3 4487.850
2020 07 22 06 16 45 3 4487.282
https://www.ndbc.noaa.gov/station_page.php?station=46403
WEAK51 PAAQ 220619
TSUAK1
BULLETIN
Public Tsunami Message Number 1
NWS National Tsunami Warning Center Palmer AK
1019 PM AKDT Tue Jul 21 2020
…A TSUNAMI WARNING IS NOW IN EFFECT…
Tsunami Warning in Effect for;
-
SOUTH ALASKA AND THE ALASKA PENINSULA, Pacific coasts from
Kennedy Entrance, Alaska (40 miles SW of Homer) to Unimak
Pass, Alaska (80 miles NE of Unalaska)
For other US and Canadian Pacific coasts in North America,
the level of tsunami danger is being evaluated. Further
information will be provided in supplementary messages.
PRELIMINARY EARTHQUAKE PARAMETERS
-
The following parameters are based on a rapid preliminary
assessment of the earthquake and changes may occur.
-
Magnitude 7.4
-
Origin Time 2213 AKDT Jul 21 2020
2313 PDT Jul 21 2020
0613 UTC Jul 22 2020
-
Coordinates 55.2 North 158.6 West
-
Depth 8 miles
-
Location 75 miles S of Chignik, Alaska
520 miles SW of Anchorage, Alaska
FORECASTS OF TSUNAMI ACTIVITY
-----—-
-
Tsunami activity is forecasted to start at the following
locations at the specified times.
FORECAST
START
SITE OF TSUNAMI
– -—
-
Alaska
Sand Point 2315 AKDT Jul 21
Kodiak 0005 AKDT Jul 22
Cold Bay 0015 AKDT Jul 22
OBSERVATIONS OF TSUNAMI ACTIVITY
------–
-
No tsunami observations are available to report.
RECOMMENDED ACTIONS
---—-
Actions to protect human life and property will
vary within tsunami warning areas.
If you are in a tsunami warning area;
-
Evacuate inland or to higher ground above and beyond
designated tsunami hazard zones or move to an upper floor
of a multi-story building depending on your situation.
-
Move out of the water, off the beach, and away from
harbors, marinas, breakwaters, bays and inlets.
-
Be alert to and follow instructions from your local
emergency officials because they may have more detailed or
specific information for your location.
-
If you feel a strong earthquake or extended ground rolling
take immediate protective actions such as moving inland
and/or uphill preferably by foot.
-
Boat operators,
* Where time and conditions permit, move your boat out to
sea to a depth of at least 180 feet.
* If at sea avoid entering shallow water, harbors,
marinas, bays, and inlets to avoid floating and
submerged debris and strong currents.
-
Do not go to the shore to observe the tsunami.
-
Do not return to the coast until local emergency officials
indicate it is safe to do so.
IMPACTS
-–
Impacts will vary at different locations in the warning
areas.
If you are in a tsunami warning area;
-
A tsunami with damaging waves and powerful currents is
possible.
-
Repeated coastal flooding is possible as waves arrive
onshore, move inland, and drain back into the ocean.
-
Strong and unusual waves, currents and inland flooding
can drown or injure people and weaken or destroy structures
on land and in water.
-
Water filled with floating or submerged debris that can
injure or kill people and weaken or destroy buildings and
bridges is possible.
-
Strong and unusual currents and waves in harbors,
marinas, bays, and inlets may be especially
destructive.
-
Some impacts may continue for many hours to days after
arrival of the first wave.
-
The first wave may not be the largest so later waves may
be larger.
-
Each wave may last 5 to 45 minutes as a wave encroaches
and recedes.
-
Coasts facing all directions are threatened because the
waves can wrap around islands and headlands and into bays.
-
Strong shaking or rolling of the ground indicates an
earthquake has occurred and a tsunami may be imminent.
-
A rapidly receding or receded shoreline, unusual waves and
sounds, and strong currents are signs of a tsunami.
-
The tsunami may appear as water moving rapidly out to sea,
a gentle rising tide like flood with no breaking wave,
as a series of breaking waves, or a frothy wall of water.
ADDITIONAL INFORMATION AND NEXT UPDATE
-------—
-
Refer to the internet site tsunami.gov for more information.
-
Pacific coastal residents outside California, Oregon,
Washington, British Columbia and Alaska should refer to the
Pacific Tsunami Warning Center messages at tsunami.gov.
-
This message will be updated within 30 minutes.
https://www.tsunami.gov/events/PAAQ/2020/07/22/qdux98/1/WEAK51/WEAK51.txt
https://www.tsunami.gov/events/PAAQ/2020/07/22/qdux98/1/WEAK51/WEAK51.txt
Earthquake upgraded to 7.8
WEAK51 PAAQ 220650
TSUAK1
BULLETIN
Public Tsunami Message Number 2
NWS National Tsunami Warning Center Palmer AK
1050 PM AKDT Tue Jul 21 2020
UPDATES
-–
-
Revised alert areas
-
Revised magnitude
…THE TSUNAMI WARNING REMAINS IN EFFECT…
…A TSUNAMI ADVISORY IS NOW IN EFFECT…
Tsunami Warning in Effect for;
-
SOUTH ALASKA AND THE ALASKA PENINSULA, Pacific coasts from
Kennedy Entrance, Alaska (40 miles SW of Homer) to Unimak
Pass, Alaska (80 miles NE of Unalaska)
-
ALEUTIAN ISLANDS, Unimak Pass, Alaska (80 miles NE of
Unalaska) to Samalga Pass, Alaska (30 miles SW of Nikolski)
Tsunami Advisory in Effect for;
-
SOUTH ALASKA AND THE ALASKA PENINSULA, Pacific coasts from
Cape Suckling, Alaska (75 miles SE of Cordova) to Kennedy
Entrance, Alaska (40 miles SW of Homer)
-
ALEUTIAN ISLANDS, Samalga Pass, Alaska (30 miles SW of
Nikolski) to Amchitka Pass, Alaska (125 miles W of Adak)
including the Pribilof Islands
For other US and Canadian Pacific coasts in North America,
the level of tsunami danger is being evaluated. Further
information will be provided in supplementary messages.
PRELIMINARY EARTHQUAKE PARAMETERS - UPDATED
--------—
-
The following parameters are based on a rapid preliminary
assessment of the earthquake and changes may occur.
*Magnitude 7.8
-
Origin Time 2213 AKDT Jul 21 2020
2313 PDT Jul 21 2020
0613 UTC Jul 22 2020
-
Coordinates 55.2 North 158.6 West
-
Depth 8 miles
-
Location 75 miles S of Chignik, Alaska
520 miles SW of Anchorage, Alaska
FORECASTS OF TSUNAMI ACTIVITY
-----—-
-
Tsunami activity is forecasted to start at the following
locations at the specified times.
FORECAST
START
SITE OF TSUNAMI
– -—
-
Alaska
Sand Point 2315 AKDT Jul 21
Unalaska 2350 AKDT Jul 21
Kodiak 0005 AKDT Jul 22
Cold Bay 0015 AKDT Jul 22
Adak 0015 AKDT Jul 22
Seward 0030 AKDT Jul 22
Valdez 0050 AKDT Jul 22
Cordova 0100 AKDT Jul 22
Saint Paul 0115 AKDT Jul 22
Homer 0125 AKDT Jul 22
OBSERVATIONS OF TSUNAMI ACTIVITY
------–
-
No tsunami observations are available to report.
https://www.tsunami.gov/events/PAAQ/2020/07/22/qdux98/2/WEAK51/WEAK51.txt
Usually earthquakes are downgraded. This one went the other direction.