Geoscience Reference
In-Depth Information
Wake Island 9 March 1957
50
40
30
20
10
250
300
350
400
minutes
Hilo 9 March 1957
1. 0
0. 5
0. 0
-0.5
-1.0
Unalaska 9 March 1957
3.5
3. 0
2. 5
2. 0
1. 5
18
21
24
3
6
GMT
15
18
21
24
GMT
Antofagasta, Chile 10 April 1957
Midway Island 9-10 March 1957
1. 5
2. 0
1. 5
1. 0
1. 0
0. 5
6
9
12
15
15
18
21
24
GMT
GMT
Plots or marigrams of tsunami wave trains at various tidal gauges in the Pacific region (after Salsman, 1959; Van Dorn, 1959; Wiegel, 1964).
Fig. 10.12
120˚
150˚
180˚
-150˚
-120˚
- 90˚
- 60˚
60˚
North
America
30˚
0˚
South
America
Australia
-30˚
-60˚
Epicenter
19:11 GMT
Passage of tsunami
crest,
hours after earthquake
Tsunami wave refraction pattern for 22 May 1960 Chilean earthquake in the Pacific Ocean (based on Wiegel, 1964 and Pickering et al., 1991).
Fig. 10.13
