Date Time Lat. Long. Depth (Ref) Magnitude (Ref) Yr Mo Da Hr Mn Sec km ________________________________________________________________________________________________________________________________________ 1898 06 29 18 36 00 52N 172E (Kanamori and Abe, 1979) 7.6 MS (Abe and Noguchi, 1983b)
1899 07 14 13 32 00 60*N 150*W (Kanamori and Abe, 1979) 7.2 MS (Abe and Noguchi, 1983b)
1899 09 04 00 22 00 60N 142W 60 (Gutenberg, 1956) 7.9 MS (Abe and Noguchi, 1983b)
1899 09 10 17 04 00 60N 140W 60 (Gutenberg, 1956) 7.4 MS (Abe and Noguchi, 1983b)
1899 09 10 21 41 00 60N 140W 60 (Gutenberg, 1956) 8.0 MS (Abe and Noguchi, 1983b)
1899 09 23 12 50 00 60N 143W 60 (Kanamori and Abe, 1979) 7.0 MS (Abe and Noguchi, 1983b)
1900 10 09 12 28 17.6 57.09N 153.48W (33) (Boyd and Lerner-Lam, 1988) 7.7 MS (Abe and Noguchi, 1983b)
1901 01 18 04 39 00 60N 135**W (Kanamori and Abe, 1979) 7.1 MS (Abe and Noguchi, 1983b)
1901 12 31 09 02 43.1 51.45N 171.02W (33) (Boyd and Lerner-Lam, 1988) 7.1 MS (Abe and Noguchi, 1983b)
1902 01 01 05 20 14.8 52.38N 167.45W (33) (Boyd and Lerner-Lam, 1988) 7.0 MS (Abe and Noguchi, 1983b)
1903 01 17 16 05 07.1 50.85N 175.16W (33) (Boyd and Lerner-Lam, 1988) 7.0 MS (Abe and Noguchi, 1983b)
1904 08 27 21 56 20.3 64.66N 148.08W (33) (Boyd and Lerner-Lam, 1988) 7.3 MS (Abe and Noguchi, 1983b)
1905 02 14 08 46 38.4 50.73N 178.55W (33) (Boyd and Lerner-Lam, 1988) 7.3 MS (Abe and Noguchi, 1983b)
1905 03 22 03 38 53.0 51.28N 174.83E (33) (Boyd and Lerner-Lam, 1988) 7.8 MS (Abe and Noguchi, 1983b)
1905 09 15 06 02 34.3 52.06N 171.45E (33) (Boyd and Lerner-Lam, 1988) 7.4 MS (Abe and Noguchi, 1983b)
1906 08 17 00 10 47.2 51.05N 179.69W (33) (Boyd and Lerner-Lam, 1988) 7.8 MS (Abe and Noguchi, 1983b)
1906 12 23 17 21 11.7 56.85N 153.90W (33) (Boyd and Lerner-Lam, 1988) 7.3 MS (Abe and Noguchi, 1983b)
1907 09 02 16 01 39.6 52.59N 169.73E (33) (Boyd and Lerner-Lam, 1988) 7.4 MS (Abe and Noguchi, 1983b)
1908 05 15 08 31 36.0 59N 141W 60 (Gutenberg and Richter, 1954) 7.0 MS (Abe and Noguchi, 1983b)
1909 04 10 19 36 00.0 52N 175E (0) (Abe and Noguchi, 1983b) 7.0 MS (Abe and Noguchi, 1983b)
1909 09 08 16 49 48.0 52 1/2N 169W 90 (Gutenberg and Richter, 1954) 7.0 mB (Abe, 1981)
1910 09 09 01 13 18.1 50.75N 179.38E (33) (Boyd and Lerner-Lam, 1988) 7.0 MS (Abe and Noguchi, 1983b)
1911 09 17 03 26 00.0 51N 180E (0) (Gutenberg, 1956) 7.1 MS (Abe and Noguchi, 1983b)
1912 01 31 20 11 48.0 61N 147 1/2W 80 (Gutenberg and Richter, 1954) 7.0 mB (Abe, 1981)
1912 07 07 07 57 41.0 63.07N 146.14W (33) (Boyd and Lerner-Lam, 1988) 7.2 MS (Abe and Noguchi, 1983b)
1912 11 07 07 40 24.0 57 1/2N 155W 90 (Gutenberg and Richter, 1954) 7.3 mB (Abe, 1981)
1916 04 18 04 01 48.0 53 1/4N 170W 170 (Gutenberg and Richter, 1954) 7.4 mB (Abe, 1981)
1917 05 31 08 47 30.7 54.79N 159.12W (33) (Boyd and Lerner-Lam, 1988) 7.9 MS (Abe and Noguchi, 1983a)
1923 05 04 16 26 39.3 55.55N 156.75W (0) (Sykes, 1971) 7.1 MS (Abe, 1981)
1926 10 13 19 08 07.0 52N 176W (0) (Gutenberg and Richter, 1954) 7.0 MS (Abe, 1981)
1927 10 24 15 59 44.8 57.69N 136.07W (0) (Tobin and Sykes, 1968) 7.1 MS (Abe, 1981)
1929 03 07 01 34 39.0 51N 170W 50 (Gutenberg and Richter, 1954) 7.5 MS (Abe, 1981)
7.8 MW (Kanamori, 1977)
1929 05 26 22 39 54.0 51N 131W (0) (Gutenberg and Richter, 1954) 7.0 MS (Abe, 1981)
1929 07 05 14 19 02.0 51N 178W (0) (Gutenberg and Richter, 1954) 7.0 MS (Abe, 1981)
1929 07 07 21 23 12.0 52N 178W (0) (Gutenberg and Richter, 1954) 7.3 MS (Abe, 1981)
1929 12 17 10 58 30.0 52 1/2N 171 1/2E (0) (Gutenberg and Richter, 1954) 7.8 MS (Abe, 1981)
1934 05 04 04 36 07.0 61 1/4N 147 1/2W 80 (Gutenberg and Richter, 1954) 7.1 mB (Abe, 1981)
1935 02 22 17 05 54.0 52 1/4N 175E (0) (Gutenberg and Richter, 1954) 7.1 MS (Abe, 1981)
1937 07 22 17 09 28.0 64.60N 147.10E (33) (International Seismol. Cen.) 7.3 MS (Abe, 1981)
1937 09 03 18 48 12.0 52 1/2N 177 1/2W 80 (Gutenberg and Richter, 1954) 7.2 mB (Abe, 1981)
1938 11 10 20 18 41.2 55.48N 158.37W (0) (Sykes, 1971) 8.3 MS (Abe, 1981)
8.2 MW (Kanamori, 1977)
1938 11 17 03 54 34.0 55 1/2N 158 1/2W (0) (Gutenberg and Richter, 1954) 7.3 MS (Abe, 1981)
1940 04 16 06 43 07.0 52N 173 1/2E (0) (Gutenberg and Richter, 1954) 7.1 MS (Abe, 1981)
1940 07 14 05 52 53.0 51 3/4N 177 1/2E 80 (Gutenberg and Richter, 1954) 7.4 mB (Abe, 1981)
1940 08 22 03 27 18.0 53N 165 1/2W (0) (Gutenberg and Richter, 1954) 7.0 MS (Abe, 1981)
1943 11 03 14 32 17.5 61.90N 150.84W (0) (Sykes, 1971) 7.4 MS (Abe, 1981)
1944 07 27 00 04 23.0 54N 165 1/2W 70 (Gutenberg and Richter, 1954) 7.1 mB (Abe, 1981)
1946 04 01 12 28 54.0 52 3/4N 163 1/2W (0) (Gutenberg and Richter, 1954) 7.3 MS (Abe, 1981)
1946 11 01 11 14 24.0 51 1/2N 174 1/2W 40 (Gutenberg and Richter, 1954) 7.0 MS (Abe, 1981)
1947 10 16 02 09 44.0 64.20N 148.30W (33) (International Seismol. Cen.) 7.2 MS (Abe, 1981)
1948 05 14 22 31 43.0 54 1/2N 161W (0) (Gutenberg and Richter, 1954) 7.5 MS (Abe, 1981)
1949 08 22 04 01 12.2 53.62N 133.27W (0) (Tobin and Sykes, 1968) 8.1 MS (Abe, 1981)
8.1 MW (Kanamori, 1977
1951 02 13 22 12 53.8 55.55N 156.35W (0) (Sykes, 1971) 7.1 MS (Abe, 1981)
1953 01 05 07 48 20.0 53N 171 1/2E (0) (International Seismol. Cen.) 7.1 MS (Abe, 1981)
1957 03 09 14 22 32.15 51.48N 175.72W (33) (T.M. Boyd, writ. com., 1987) 8.1 MS (Abe, 1981)
9.1 MW (Kanamori, 1977)
8.7 MW (Johnson and others, 1994)
1957 03 09 20 39 16.70 52.56N 169.65W (33) (T.M. Boyd, writ. com., 1987) 7.1 MS (Abe, 1981)
1957 03 11 09 58 44.00 52.58N 169.24W (33) (T.M. Boyd, writ. com., 1987) 7.0 MS (Abe, 1981)
1957 03 12 11 44 56.96 51.44N 177.40W (33) (T.M. Boyd, writ. com., 1987) 7.0 MS (Abe, 1981)
1957 03 14 14 47 50.97 51.24N 176.92W (33) (T.M. Boyd, writ. com., 1987) 7.1 MS (Abe, 1981)
1957 03 16 02 34 17.86 51.41N 178.93W (33) (T.M. Boyd, writ. com., 1987) 7.0 MS (Abe, 1981)
1957 03 22 14 21 07.10 53.71N 165.82W (33) (T.M. Boyd, writ. com., 1987 7.0 MS (Abe, 1981)
1958 04 07 15 30 40.30 65.99N 156.55W (0) (Tobin and Sykes, 1966) 7.3 MS (Abe, 1981)
1958 07 10 06 15 53.60 58.34N 136.52W (0) (Tobin and Sykes, 1968) 7.9 MS (Abe, 1981)
7.7 MW (Abe and Kanamori, 1980)
1964 02 06 13 07 23.10 55.72N 155.95W 13 (International Seismol. Cen.) 7.0 MS (Abe, 1981)
1964 03 28 03 36 13.90 61.05N 147.48W 23 (International Seismol. Cen.) 8.4 MS (Abe, 1981)
9.2 MW (Kanamori, 1977)
1965 02 04 05 01 21.60 51.29N 178.55E 36 (International Seismol. Cen.) 8.2 MS (Abe, 1981)
8.7 MW (Kanamori, 1977)
1965 02 04 08 40 42.10 51.39N 179.59E 40 (International Seismol. Cen.) 7.0 MS (Abe, 1981)
1965 03 30 02 27 03.40 50.32N 177.93E 20 (International Seismol. Cen.) 7.4 MS (Abe, 1981)
1969 05 14 19 32 55.00 51.29N 179.85W 22 (International Seismol. Cen.) 7.0 MS (USGS, PDE)
1970 06 24 13 09 11.30 51.77N 130.76W 22 (International Seismol. Cen.) 7.0 MS (USGS, PDE)
1971 05 02 06 08 26.90 51.42N 177.21W 38 (International Seismol. Cen.) 7.1 MS (USGS, PDE)
1972 07 30 21 45 15.80 56.77N 135.91W 29 (International Seismol. Cen.) 7.4 MS (Abe, 1981)
7.6 MW (Schell and Ruff, 1989)
1975 02 02 08 43 39.90 53.08N 173.58E 0 (International Seismol. Cen.) 7.4 MS (Abe, 1981)
1979 02 28 21 27 07.20 60.64N 141.60W 13 (Stephens and others, 1980) 7.1 MS (Buland and Taggart, 1981)
7.5 MW (Buland and Taggart, 1981)
1986 05 07 22 47 10.80 51.52N 174.78W (33) (USGS, PDE) 7.7 MS (USGS, PDE)
8.0 MW (Hwang and Kanamori, 1986)
1987 11 30 19 23 16.39 58.91N 142.76W (10) (Lahr and others, 1988) 7.6 MS (USGS, PDE)
7.9 MW (Page and others, 1991)
1988 03 06 22 35 36.38 57.23N 142.78W (10) (Lahr and others, 1988) 7.6 MS (USGS, PDE)
7.8 MW (Page and others, 1991)
_______________________________________________________________________________________________________
* Epicenter unreliable. Based on felt reports from Unga and Unalaska Islands (Tarr and Martin, 1912), epicenter may be near tip of Alaska Peninsula (Davies and others, 1981).
** Epicenter unreliable. No constraints or confirmation from felt reports.
Acknowledgements: This table has evolved from a compilation by James Taggart which was generously shared with us. Tom Boyd kindly provided unpublished hypocenter and origin time parameters. This tabulation also benefitted from comparisons to the compilation that E.R. Engdahl prepared for the DNAG map of North American seismicity. Earthquakes north of 55oN and east of 175oW are taken from the table Page and others (1991).