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DATA_TYPE BULLETIN IMS1.0:short ISC Bulletin Event 886234 Central CaliforniaDate Time Err RMS Latitude Longitude Smaj Smin Az Depth Err Ndef Nsta Gap mdist Mdist Qual Author OrigID 1957/03/22 19:44:19 37.6600 -122.5900 uk ISS 1918981 1957/03/22 19:44:21 37.6700 -122.4800 uk CGS 1918982 1957/03/22 19:44:22.27 0.63 2.733 37.5572 -122.7239 10.15 5.292 50 15.0f 90 81 163 0.45 152.70 m i ke ISC 05956230 (#PRIME) (Depth fixed to depth of a reported hypocentre) (Network Quality Metrics) (Distance Range | gap | sgap | cpq | nsta | mdist | Mdist) ( 0 - 3 degrees | | | | 0 | |) ( 0 - 17 degrees | | | | 0 | |) ( 28 - 180 degrees | | | | 0 | |) ( 0 - 180 degrees | | | | 0 | |) Year Volume Page1 Page2 Journal 1959 57 25 38 Spec. Publs Calif. Div. Mines Geol. (#AUTHOR Bonilla,M.G. ) (#TITLE Geologic observations in the epicentral area of the San Francisco earthquake of ) (+ March 22, 1957 ) 1959 57 49 58 Spec. Publs Calif. Div. Mines Geol. (#AUTHOR Cloud,W.K. ) (#TITLE Intensity and ground motion of the San Francisco earthquake of March 22, 1957 ) 1963 7 554 570 Geophys. J. R. astr. Soc. (#AUTHOR Duda,S.J. , Båth,M. ) (#TITLE Strain Release in the Circum-Pacific Belt: Kern County 1952, Desert Hot Springs ) (+ 1948, San Francisco 1957 ) 1959 57 115 123 Spec. Publs Calif. Div. Mines Geol. (#AUTHOR Hudson,D.E. , Housner,G.W. ) (#TITLE Response spectrum analysis of the San Francisco earthquake of March 22, 1957 ) 1960 2 1105 1119 Proc. Second World Conf. Earthquake Engng (#AUTHOR Hudson,D.E. ) (#TITLE A comparison of theoretical and experimental determinations of building ) (+ response to earthquakes ) 1958 48 253 268 Bull. seism. Soc. Am. (#AUTHOR Hudson,D.E. , Housner,G.W. ) (#TITLE An analysis of strong-motion accelerometer data from the San Francisco ) (+ earthquake of March 22, 1957 ) 1962 52 405 416 Bull. seism. Soc. Am. (#AUTHOR Merchant,H.C. , Hudson,D.E. ) (#TITLE Mode superposition in multi-degree of freedom systems using earthquake response ) (+ spectrum data ) 1959 57 107 113 Spec. Publs Calif. Div. Mines Geol. (#AUTHOR Sahlberg,M.W. ) (#TITLE Effect of the March 22, 1957 earthquake on public schools ) 1959 57 73 106 Spec. Publs Calif. Div. Mines Geol. (#AUTHOR Steinbrugge,K.V. , Bush,V.R. , Zacher,E.G. ) (#TITLE Damage to buildings and other structures during the earthquake of March 22, 1957 ) 1959 70 1750 1751 Geol. Soc. Am. Bull. (#AUTHOR Steinbrugge,K.V. , Bush,V.R. , Zacher,E.G. ) (#TITLE San Francisco earthquake of March 22, 1957; engineering observations ) 1959 57 59 72 Spec. Publs Calif. Div. Mines Geol. (#AUTHOR Tocher,D. ) (#TITLE Seismographic results from the 1957 San Francisco earthquakes ) 1983 73 735 748 Bull. seism. Soc. Am. (#AUTHOR Bolt,B.A. , Herraiz,M. ) (#TITLE Simplified estimation of seismic moment from seismograms ) 1978 68 471 485 Bull. seism. Soc. Am. (#AUTHOR Kanamori,H. , Jennings,P.C. ) (#TITLE Determination of local magnitude, ML, from strong-motion accelerograms ) 1968 58 1725 1767 Bull. seism. Soc. Am. (#AUTHOR Bolt,B.A. , Lomnitz,C. , McEvilly,T.V. ) (#TITLE Seismological evidence on the tectonics of central and northern California and ) (+ the Mendocino escarpment ) 1988 17 51 105 Earthq. Engng struct. Dyn. (#AUTHOR Ambraseys,N.N. ) (#TITLE Engineering seismology: Part II ) 1984 95 406 421 Geol. Soc. Am. Bull. (#AUTHOR Keefer,D.K. ) (#TITLE Landslides caused by earthquakes ) 1960 (#AUTHOR Bonilla,M.G. ) (#TITLE Landslides in the San Francisco South quadrangle, California ) 2002 23 473 510 Survs Geophys. (#AUTHOR Keefer,D.K. ) (#TITLE Investigating Landslides Caused by Earthquakes – A Historical Review ) 2016 121 640 663 J. geophys. Res.: Earth Surf. (#AUTHOR Marc,O. , Hovius,N. , Meunier,P. , Gorum,T. , Uchida,T. ) (#TITLE A seismologically consistent expression for the total area and volume of ) (+ earthquake-triggered landsliding ) 2026 Seismol. Res. Lett. (#AUTHOR Agrawal,A. , Hough,S.E. , MostafaMousavi,S. , Hellweg,M. , Ellsworth,W.L. , ) (+ Yoon,C.E. , Blanco,S. ) (#TITLE The Digital Archivist: Automating Legacy Macroseismic Data Processing Using ) (+ Large Language Models ) Magnitude Err Nsta Author OrigID 5.3 BRK 1918982 Sta Dist EvAz Phase Time TRes Azim AzRes Slow SRes Def SNR Amp Per Qual Magnitude ArrID PAC 0.45 107.9 Pg 19:44:28.0 -3.3 T__ c_ 72968801 BRK 0.48 49.2 Pg 19:44:26.0 -5.9 ___ c_ 72968800 SCL 0.65 108.3 Pn 19:44:36.0 -0.9 T__ __ 72968802 MHC 0.89 103.7 Pb 19:44:35.0 -4.5 T__ d_ 72968803 UKI 1.62 346.5 Pn 19:44:46.0 -4.4 T__ __ 72968804 UKI 1.62 346.5 Sn 19:45:05.0 -6.0 T__ __ 72968805 FRE 2.47 107.7 Pn 19:44:59.0 -2.9 T__ d_ 72968806 FRE 2.47 107.7 Sn 19:45:26.0 -5.8 T__ __ 72968807 MIN 2.92 17.0 Pn 19:45:04.0 -4.3 T__ d_ 72968808 REN 3.02 48.2 Pn 19:45:07.0 -2.7 T__ d_ 72968809 YERR 3.09 61.5 Pn 19:45:09.0 -1.7 T__ __ 72968810 SHS 3.14 4.7 Pn 19:45:06.0 -5.3 ___ d_ 72968811 KRC 3.27 131.9 Pn 19:45:11.0 -2.1 T__ __ 72968812 ARC 3.48 342.8 Pn 19:45:13.0 -2.8 T__ __ 72968813 TIN 3.62 96.6 Pn 19:45:18.0 0.1 T__ __ 72968815 WDY 3.63 119.5 Pn 19:45:15.0 -3.0 T__ __ 72968816 ISA 3.91 117.7 Pn 19:45:20.0 -1.8 T__ __ 72968817 SBC 3.95 141.0 Pn 19:45:19.0 -3.4 T__ __ 72968818 HAI 4.08 108.9 Pn 19:45:25.0 0.7 T__ __ 72968819 CLC 4.47 111.3 Pn 19:45:29.0 -0.6 T__ __ 72968820 PAS 5.02 131.3 Pn 19:45:36.0 -1.1 T__ __ 72968821 PAS 5.02 131.3 Sn 19:46:32.0 -2.9 T__ __ 72968822 EUR 5.63 68.0 Pn 19:45:42.0 -3.7 T__ __ 72968823 BCN 6.53 101.6 Pn 19:45:59.0 1.2 T__ __ 72968824 SDC 6.62 135.7 Sg 19:47:53.0 -1.7 T__ __ 72968825 COR 7.04 356.6 Pn 19:46:06.0 1.3 T__ d_ 72968826 COR 7.04 356.6 19:48:20.0 ___ __ 72968827 SLC 9.03 65.9 Pn 19:46:37.0 4.7 ___ __ 72968828 SLC 9.03 65.9 Sn 19:48:14.0 0.2 T__ __ 72968829 SEA 10.10 1.6 Pn 19:46:49.0 2.4 T__ c_ 72968830 SEA 10.10 1.6 Sn 19:48:37.0 -2.5 T__ __ 72968831 VIC 10.97 357.6 Pn 19:46:59.0 0.4 T__ __ 72968832 TUC 11.11 114.6 Pn 19:47:07.0 6.4 ___ __ 72968833 BUT 11.35 38.7 Pn 19:47:04.0 0.1 T__ __ 72968834 BUT 11.35 38.7 Sn 19:49:26.0 15.5 ___ __ 72968835 HBC 11.82 358.2 Pn 19:47:12.0 1.8 T__ __ 72968836 HBC 11.82 358.2 19:49:43.0 ___ __ 72968837 BZM 11.91 43.5 Pn 19:47:07.0 -4.6 T__ __ 72968838 BZM 11.91 43.5 Sn 19:49:20.0 -4.2 T__ __ 72968839 HHM 12.52 27.7 Pn 19:47:20.0 0.2 T__ __ 72968840 HHM 12.52 27.7 Sn 19:49:40.0 1.0 T__ __ 72968841 RCD 16.13 60.1 Pn 19:48:08.0 -0.4 T__ __ 72968842 RCD 16.13 60.1 Sn 19:51:11.0 4.0 T__ __ 72968843 RCD 16.13 60.1 PCP 19:51:41.0 ___ __ 72968844 CHH 16.52 117.7 P 19:48:20.0 3.8 T__ __ 72968845 CHH 16.52 117.7 S 19:51:32.0 3.3 T__ __ 72968846 CHH 16.52 117.7 19:53:20.0 ___ __ 72968847 LUB 17.42 96.9 P 19:48:26.0 -0.1 T__ __ 72968848 LUB 17.42 96.9 S 19:51:52.0 5.2 T__ __ 72968849 SAS 18.45 32.7 P 19:48:20.0 -17.1 ___ __ 72968850 MAZ 20.04 131.0 19:52:15.0 ___ __ 72968851 SIT 21.23 340.8 P 19:49:06.0 -1.4 T__ __ 72968852 SIT 21.23 340.8 S 19:52:51.0 -11.7 ___ __ 72968853 FAY 22.86 85.0 P 19:49:34.0 9.0 ___ c_ 72968854 FAY 22.86 85.0 SS 19:56:09.0 ___ __ 72968855 GUM 23.80 129.6 P 19:49:36.0 1.3 T__ __ 72968856 GUM 23.80 129.6 19:53:12.0 ___ __ 72968857 CHK 27.25 70.0 P 19:50:44.0 38.3 ___ __ 72968858 CHK 27.25 70.0 S 19:54:48.0 3.8 T__ __ 72968859 TAC 27.35 124.9 P 19:50:10.0 2.9 T__ __ 72968860 TAC 27.35 124.9 PP 19:51:19.0 10.0 T__ __ 72968861 CMO 31.11 339.5 P 19:50:40.0 0.3 T__ __ 72968862 CMO 31.11 339.5 S 19:55:40.0 -4.4 T__ __ 72968863 KLC 32.66 57.3 P 19:50:53.0 -0.6 T__ __ 72968864 MRG 33.26 73.0 P 19:50:58.0 -1.0 T__ __ 72968865 BFF 33.78 66.9 P 19:51:02.0 -1.5 T__ __ 72968866 CSC 33.81 83.2 P 19:51:03.0 -0.8 T__ __ 72968867 OTT 35.65 62.2 P 19:51:18.0 -1.6 T__ d_ 72968868 OTT 35.65 62.2 PcP 19:53:48.0 0.2 T__ __ 72968869 PAL 37.55 69.1 P 19:51:33.0 -2.8 T__ d_ 72968870 PAL 37.55 69.1 PP 19:52:59.0 -2.5 T__ __ 72968872 PAL 37.55 69.1 S 19:57:31.0 6.6 T__ __ 72968871 SHF 37.62 60.0 P 19:51:34.0 -2.3 T__ c_ 72968873 SHF 37.62 60.0 PcP 19:53:48.0 -5.7 T__ __ 72968874 RES 39.47 11.3 P 19:51:52.0 0.5 T__ d_ 72968875 RES 39.47 11.3 PP 19:53:21.0 -1.0 T__ __ 72968876 SCH 41.19 46.7 P 19:52:09.0 3.0 T__ __ 72968877 BHP 48.20 114.9 P 19:52:48.0 -14.3 ___ __ 72968878 SJP 52.73 94.9 P 19:53:35.0 -1.6 T__ __ 72968879 SJP 52.73 94.9 PP 19:55:46.0 10.2 ___ __ 72968880 KIR 71.31 13.9 P 19:55:41 0.2 T__ 200.0 1.30 _i mb 6.1 63935552 KIR 71.31 13.9 M 19:00:00 ___ 1000.0 14.00 __ MS 5.2 63935553 KIR 71.31 13.9 M 19:00:00 ___ 700.0 18.00 __ MS 5.0 63935554 KIR 71.31 13.9 M 19:00:00 ___ 1400.0 15.00 __ MS 5.3 63935555 KIR 71.31 13.9 P 19:55:41.0 0.2 T__ __ 72968881 SOD 72.83 11.9 P 19:55:50.0 0.1 T__ __ 72968882 SKA 73.06 19.3 P 19:55:52.0 0.7 T__ c_ 72968883 LPZ 74.31 125.7 P 19:56:00 0.2 T__ _e 63922748 LPZ 74.31 125.7 S 20:05:36 2.1 T__ _e 63922749 LPZ 74.31 125.7 L 20:24:00 ___ __ 63922750 LPZ 74.31 125.7 M 20:26:30 ___ 1000.0 14.00 __ MS 5.3 63922751 LPB 74.36 125.7 P 19:56:00.0 -0.0 T__ __ 72968884 LPB 74.36 125.7 S 20:05:36.0 1.7 T__ __ 72968885 MAT 74.99 304.6 P 19:56:04.0 0.9 T__ d_ 72968886 UPP 77.57 19.3 P 19:56:17 -0.2 T__ 300.0 1.30 _i mb 6.2 63935551 UPP 77.57 19.3 P 19:56:17.0 -0.2 T__ __ 72968887 KEW 78.05 32.7 P 19:56:20.0 -0.0 T__ __ 72968888 DBN 79.83 29.6 P 19:56:36.0 6.2 ___ __ 72968889 WIT 79.85 28.5 P 19:56:32.0 2.1 T__ __ 72968890 HAM 80.53 26.5 P 19:56:35.0 1.5 T__ __ 72968891 HAM 80.53 26.5 P 19:56:35.1 1.6 T__ 200.0 1.80 _i mb 5.8 78053520 PAR 81.23 33.1 P 19:56:38.0 0.6 T__ __ 72968892 JEN 83.17 27.1 P 19:56:47.0 -0.5 T__ __ 72968893 JEN 83.17 27.1 19:57:17.0 ___ __ 72968894 KRL 83.53 29.9 P 19:56:51.0 1.5 T__ c_ 72968895 KRL 83.53 29.9 19:57:08.0 ___ __ 72968896 STR 83.61 30.5 P 19:56:51.0 1.1 T__ c_ 72968897 STR 83.61 30.5 19:57:06.0 ___ __ 72968898 BES 83.93 32.3 P 19:56:29.0 -22.6 ___ __ 72968899 BES 83.93 32.3 19:57:06.0 ___ __ 72968900 STU 84.03 29.7 P 19:56:52.0 -0.1 T__ __ 72968901 TUB 84.18 29.9 P 19:56:54.0 1.2 T__ __ 72968902 MSS 84.42 30.1 P 19:56:55.0 0.9 T__ __ 72968903 WAR 85.15 21.4 P 19:56:58.0 0.4 T__ __ 72968904 TAM 102.72 48.0 Pdif 19:58:19.0 -0.5 T__ __ 72968905 TAM 102.72 48.0 PP 20:02:35.0 2.6 T__ __ 72968906 KSA 106.24 18.4 Pdif 19:58:34.0 -0.9 T__ __ 72968907 KSA 106.24 18.4 PP 20:02:58.0 0.3 T__ __ 72968908 QUE 112.00 351.0 PKP 20:03:40.0 ___ __ 72968909 BOM 121.97 342.6 PP 20:06:03.0 73.9 ___ __ 72968910 PRE 152.70 72.9 PKPdf 20:04:15.0 3.3 T__ d_ 72968911 STOP
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