124 
PACIFIC SCIENCE, Vol. XXI, January 1967 
TABLE 2 
Matched Arrival Times at Summit Stations of the Events of 20 December 1961 
(Numbers in parentheses are recorded double-amplitudes, in millimeters) 
DESERT 
UWEKAHUNA 
AHUA 
MAUNA LOA 
09-56-42.5(21) 
43.7(4) 
57-00.9(5) 
06.5(5/2) 
10-26-56.6(14) 
56.2(4) 
27-12.9(6) 
19-3(3/2) 
27-15.5(3) 
27-45.0(13) 
45.0(4) 
28-02.0(4) 
08.0(2) 
29- 18.8(24) 
30- 03.0(3/2) 
19.5(4) 
36.2(3) 
28-42.8(1) 
30-48.9(14) 
51.0(5) 
31-08.0(3) 
14.5(2) 
31-52.0(5) 
52.0(2) 
11-11-07.3(6) 
07.5(4) 
27.5(3) 
10-29.5(1) 
40-54.7(12) 
56.0(6) 
41-12.0(1) 
16.8(1) 
41-23.3(17) 
23.0(7) 
41-40.5(1) 
40-46.3(3/2) 
41-44.8(17) 
44.1(6) 
42-02.3(2) 
07.0(3) 
42-12.9(16) 
13.1(3) 
30.7(3) 
36.3(2) 
47-40.6(5) 
41.6(4) 
57.9(2) 
04.6(5/2) 
48-40.9(20) 
41.5(2) 
59.1(1) 
04.8(1) 
49-04.2(16) 
05.1(7) 
21.3(2) 
49-33.0(12) 
34.6(11) 
51.6(7) 
48-57.6(2) 
53-27.5(11) 
27.8(2) 
54-19.0(15) 
19.5(4) 
36.4(3) 
53-42.9(3) 
54- 38.2(10) 
55- 12.0(4) 
59-52.8(9) 
38.6(2) 
55.9(1) 
01.8(1) 
12-00-45.8(20) 
01-03.5(6) 
09.5(1) 
01-12.0(14) 
00-36.1(1/2) 
06-31.0(11) 
31.2(2) 
49.5(2) 
05-53.0(3/2) 
07-28.0(5) 
07- 32.2(4) 
08- 02.5(4) 
46.3(1) 
11-44.5(21) 
45.0(3) 
12-03.0(5) ' 
08.8(3) 
12-44.4(20) 
13-02.5(1) 
08.6(3/2) 
19-40.8(23) 
41.8(8) 
58.9(19) 
04.7(3/2) 
27-54.3(17) 
52.2(2) 
58-10.0(3) 
16.2(3) 
59-26.0(14) 
26.7(3) 
43.8(8) 
58-49.6(5) 
13-01-12.5(18) 
13.7(9) 
30.7(9) 
00-36.6(4) 
04-27.7(18) 
28.7(7) 
45.9(2) 
03-51.7(2) 
05-46.5(31) 
47.5(6) 
06-04.2(4) 
10.1(6) 
06-42.7(13) 
43.1(3) 
07-00.6(2) 
06.3(1) 
11-17.6(21) 
18.6(6) 
35.8(6) 
10-41.2(4) 
12-02.9(15) 
03.8(3/2) 
21.1(5/2) 
11-26.6(7) 
13-03.6(9) 
04.6(2) 
21.5(1) 
12-27.5(3) 
TABLE 3 
Time of Arrival of Sonic Wave Fronts at Each Station Compared with 
Arrival at Mauna Loa, for Each of Four Different Bombing Dates 
STATION 
ORDER OF 
ARRIVAL 
19 dec. 1961 
20 dec. 1961 
13 feb. 1962 
29 oct. 1963 
Mauna Loa 
(1st) 
0 
0 
0 
not recorded 
Desert 
(2nd) 
+ 35.9 sec 
+ 36.4 sec 
+ 36.6 sec 
"+36.3 sec” 
(assumed) 
Uwekahuna 
(3rd) 
+ 0.7 sec 
+ 0.6 sec 
+ 0.2 sec 
• — 0.2 sec 
Ahua 
(4th) 
+ 16.9 sec 
+ 17.2 sec 
+ 16.7 sec 
+ 16.7 sec 
