<»- 

 u.— 



- 



ASTORIA (TONGUE PT ) OREGON, TIDE GAGE 

 DISTANCE FROM MOUTH OF COLUMBIA R,, 14 n. mi. 



A/^n i^s 



■/^^^V>. 



I yV \N » 



/* ^'M, 



- / n 



A \ 



/mean sea level \ 



r \ 



1 '^ 



^ J^ ^V / 



1 1 1 1 1 1 I 1 



1 1 1 1 1 1 1 1 1 1 1 1 I 1 J — 



" 4 



-J 3 - 

 vi 



UJ 2 



> 



10 II 12 13 14 15 16 17 18 19 20 21 22 23 I 2 

 APPROXIMATE HOURS G M.T. - MARCH 28-29, 1964 



5 



(a) 









BEAVER TIDE GAGE , COLUMBIA RIVER , ORE. 









DISTANCE FROM MOUTH OF COLUMBIA R., 42 n mi 



/ 



/V\ 





/-" 



/ 



MEAN SEA LEVEL 



N. \ 



^ ■ / 



1 1 1 1 1 1 1 1 l^-'. V^ 1 1 1 



12 



13 



14 



15 



APPROXIMATE HOURS G. M.T 



16 17 18 19 



■ MARCH 28, 1964 



(b) 



VANCOUVER, WASH., TIDE GAGE 

 DISTANCE FROM MOUTH - 87 n mi 



c/t»rs\ 



lU/iBO/lp 



WASHINGTON 



r VANCOUVER ^^ 

 ^^•t^ TIDE GAGE ..-A^ 



/^ 



1 



^ BAY 1 

 Uj J 



\ U _,-i£t!lS!f^>*°^ 



!1 





\ >-BEAVER TIDE GAGE 





o f- 



V-ASTORIA TIDE GAGB 





/ 



I c 



OREGON 



> 





1 



Y- LOCATION 



MAP 



i / SCALE 

 ^—~' 50 



MILES 

 50 10 











A L 1 F R N 1 A 







(d) 



00 06 12 18 00 06 



APPROX HOURS GMT- MARCH 28-29, 1964 (C) 



Figxire 80 Sample Tide Gage Records from Stations along the Col\jm"bia River 

 showing progression of the tide wave and tsunami 



123 



