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public tsunami message number 9
nws west coast/alaska tsunami warning center palmer ak
128 am pdt wed sep 30 2009
... the tsunami advisory is canceled for the coastal areas
of california and oregon from the california - mexico border
to the oregon - washington border...
a damaging tsunami is not expected along the coasts of the u. s.
west coast states - alaska and british columbia. however some of
these areas may experience non - damaging sea level changes. as
local conditions can cause a wide variation in tsunami impact the
all clear determinations must be made by local authorities.
a tsunami has been observed at the following sites
location lat lon time ampl
------------------------ ----- ------ ------- -----------
easter island chile 27. 1s 109. 3w 0342utc 0. 25m/0. 8ft
charleston or 43. 3n 124. 3w 0528utc 0. 13m/0. 4ft
port orford or 42. 7n 124. 5w 0509utc 0. 17m/0. 6ft
south beach or 44. 6n 124. 0w 0545utc 0. 09m/0. 3ft
shemya ak 52. 7n 174. 1e 0456utc 0. 10m/0. 3ft
crescent city ca 41. 7n 124. 2w 0613utc 0. 21m/0. 7ft
arena cove ca 38. 9n 123. 7w 0459utc 0. 33m/1. 1ft
port san luis ca 35. 2n 120. 8w 0531utc 0. 30m/1. 0ft
san fransico ca 37. 8n 122. 5w 0529utc 0. 08m/0. 3ft
monterey harbor ca 36. 6n 121. 9w 0525utc 0. 15m/0. 5ft
time - time of measurement
ampl - tsunami amplitudes are measured relative to normal sea level.
it is ... not... crest - to - trough wave height.
values are given in both meters(m) and feet(ft).
at 1048 am pacific daylight time on september 29 an earthquake with
preliminary magnitude 8. 0 occurred
in the samoa islands region.
this will be the last west coast/alaska tsunami
warning center message issued for this event.
to repeat - no tsunami warning... no watch and no advisory is in
effect for the u. s. west coast states - alaska and british columbia.
see the web site wcatwc. arh. noaa. gov for basic tsunami
information... safety rules and tsunami travel times.
$$