A study of P nodal solutions (1922-1962) in the Wickens-Hodgson Catalogue
1968 ◽
Vol 58
(3)
◽
pp. 1071-1082
abstract Computer-determined P nodal solutions in the Wickens-Hodgson Catalogue were compared with earlier visually-determined solutions for the same earthquakes. Good agreement was found in about 40 per cent of the solutions. Lack of agreement was due chiefly to poor distribution of data in azimuth about the epicenter. Necessary, but not sufficient, conditions for well-defined nodal plane solutions were determined: there must be a minimum of 100 observations with at least two in each 90° segment of azimuth; data must be at least 80 per cent consistent with the selected nodal planes. Fourteen of the 618 earthquakes in the Catalogue met these requirements.
2012 ◽
Vol 23
(11)
◽
pp. 1250074
◽
1986 ◽
Vol 23
(04)
◽
pp. 851-858
◽
1988 ◽
Vol 102
◽
pp. 353-356
Keyword(s):
1971 ◽
Vol 29
◽
pp. 212-213
1970 ◽
Vol 28
◽
pp. 220-221
1978 ◽
Vol 36
(1)
◽
pp. 594-595
Keyword(s):
1992 ◽
Vol 50
(1)
◽
pp. 106-107
1990 ◽
Vol 48
(4)
◽
pp. 1066-1067
Keyword(s):