Historical Seismograms - Evidence from the AD 2000 Izu Islands ...

Catalogue of Chinese Earthquakes (A4 2 6.5) 125Table 2. ContinuedDate Time Epicenter h Ms mg L Magnitude Myr/mo/da h:m:s O N O E kmC1 C2 C3 S2 G R D H A1 AB A21938/04/01 06:31:10 20.0 120.5 60 (6.3) 64 Ta 6$ 611938/05/23 16:21:53 18.0 119.5 80 (7.1) 7.0 Do 7.0 7.0 7.0 7.01938/09/07 12:03:18 23.8 121.5 7.0 6.6 Ta 7 7.0 7 7.0 7.0 7.0 7.0 6.61938/12/07 07:00:53 22.8 120.8 7.0 7.1 Ta 7 7 7 7.0 7.0 7.0 7.0 7.11940/07/10 13:49:55 44 131 580 7.3 He 7a 7; 7.3 7.3 7.3 7.31941/01/21 20:42:01 27.5 91.9 180 6: Xz6: 6: 64 6;1941/01/27 10:30:16 26.5 92.5 180 6; Xz 64 6;1041/05/16 15:14:32 23.6 99.4 20 6.9 6; Yu 7 7 7 6.923.7' 99.4'1941/12/17 03:19:42 23.3 120.3 21 7.0 7.1 Ta 7 7 7 7.1 7.1 7.1 7.2 7.11941/12/18 04:29 23.4 120.4 6.6 Ta 6.4 6.4 6.41941/12/26 22:48:09 22.7 99.9 47 7.0 7.0 Yu 7 7 7 7.0 7.0 7.0 7.022.2 * 100.1 '1942/09/24 11:38:58 23.9 121.7 6.5 Ta 6; 6; 6; 61943/04/05 09:56:01 39.3 73.3 (20) 6.5 Xi 6$ 6.3 6;1943/11/24 21:17:13 22.5 122.0 6.8 7.1 Ta 7 7 6.9 6.9 6.31943/12/02 13:09 22.5 121.5 40 6.6 Ta 63 6; 64 6.11944/02/06 01:20 23.8 121.4 5 6.6 Ta 6; 64 6.41944/03/10 06:12:58 44 84 7.1 7.0 Xi 7i 7i 7.2 7.2 7.2 7.1 7.01944/09/28 00:25:07 39.1 75.0 20 6.8 7.1 Xi 7 7 7 6.7 7.0 7.0 6.8 7.11944/10/18 02:36:56 31.4 83.3 33 6.7 Xz6p 6: 6; 6:1944/10/29 08:11:30 31.3 83.4 6.6 Xe6q 6s 62 6;1944/12/19 22:09:04 39.7 124.3 64 (6.5) Li 6; 6; 6; 621946/01/11 09:33:29 44.0 129.5 580 6.9 He 7f 7f 7.2 7.2 7.2 6.91946/12/05 06:47 23.1 120.3 6.6 Ta 64 64 62 6.31946/12/19 10:57:19 24.8 122.5 100 6.8 Ta 6: 6: 6: 6; 6.71947/02/10 12:02:02 31.8 85.4 20 6; Xz6; 6i 6$1947/03/17 16:19:41 33.3 99.5 79 7.6 7.4 Qi 7: 7: 7.7 7.7 7.7 7.6 7.41947/07/29 21:43:33 28.6 93.6 114 7.6 7.5 Xe 7: 7: 7.7 7.7 7.9 7.9 7.5 7.51947/09/27 00:01:57 24.8 123.0 110 7.4 Ta 7; 7.4 7.4 7.4 7.4 7.41948/03/03 17:10:02 18.8 119.0 74 7.2 7.4 Ta 7; 7; 7.2 7.2 7.2 7.2 7.31948/05/23 15:11:21 29.5 100.5 7.3 7.4 Si 7; 7; 7.3 7.3 7.3 7.3 7.429.7*100.3*Notes:Time (120° E) = GMT + 8 hours; * = estimated from macroseismic observations.Magnitude M: C1 = Catalogue of Chinese Earthquakes, 1971; C2 = Catalogue ofChinese Earthquakes, 1977; C3 = Catalogue of Chinese Earthquakes, 1983; S2 = NewCatalogue of Strong Earthquakes in U.S.S.R., 1977; G = Gutenberg, 1954; R = Richter,1958; D = Duda, 1965; H = HSU, 1971: A1 = Abe, 1981,1983a; AB = Abe, 1981, 1983a(body wave magnitude); A2 = Abe, 1983b.L = Location; Location abbreviations: An = Anhui; Do = Dongshaqundao; Fu = F'ujian;Ga = Gansu; Gu = Guangdong; He = Heilongjiang; Ji = Jiangsu; J1= Jilin; Li = Liaoning.Ni = Ningxia; Qi = Qinghai; Sh = Shandong; Si = Sichuan; Ta = Taiwan; Xi = Xinjiang;Xz = Xizang (Tibet); Yu = Yunnan; Zh = Zhongshaqundao.