Hi Dennis. Here is a list of quakes M>6.0 and larger. Not sure if all of them are on the Gorda Plate, but suspect most of the are. The strongest quake was a M>7.3 in 1922. Take Care...Don in creepy town

catalog=ANSS
start_time=1898/01/01,00:00:00
end_time=2005/06/16,06:26:52
minimum_magnitude=6.0
maximum_magnitude=10
event_type=E
delta=0 km to 160 km from (41.329,-125.863)
Date Time Lat Lon Depth Mag Magt Nst Gap Clo RMS SRC Event ID
----------------------------------------------------------------------------------------------
1910/08/05 01:31:36.00 42.0000 -127.0000 6.80 un BK š�
1915/12/31 12:20:00.00 41.0000 -126.0000 6.50 un BK š�
1918/07/15 00:23:00.00 41.0000 -125.0000 6.50 un BK š�
1922/01/26 09:31:20.00 41.0000 -126.0000 6.00 un BK š�
1922/01/31 13:17:22.00 41.0000 -125.5000 7.30 un BK š�
1923/01/22 09:04:18.00 40.5000 -124.5000 7.20 un BK š�
1925/06/04 12:02:52.00 41.5000 -125.0000 6.00 un BK š�
1926/12/10 08:38:53.00 40.7500 -126.0000 6.00 un BK š�
1932/06/06 08:44:22.00 40.7500 -124.5000 6.40 un 1 BK
1941/02/09 09:44:42.00 40.7000 -125.4000 6.40 un BK
1941/05/13 16:01:54.00 40.3000 -126.4000 6.00 un BK
1941/10/03 16:13:08.00 40.4000 -124.8000 6.40 un BK
1945/05/19 15:07:00.00 40.4000 -126.9000 6.00 ML BK
1945/09/28 22:24:05.00 41.9000 -126.7000 6.00 ML BK
1949/03/25 04:56:48.00 42.0000 -126.5000 6.20 ML BK
1954/11/25 11:16:35.00 40.2700 -125.6300 6.10 ML BK
1956/10/11 16:48:50.00 40.6700 -125.7700 6.00 ML BK
1960/08/09 07:39:18.00 40.3200 -127.0700 6.20 ML BK
1976/11/26 11:19:25.20 41.2890 -125.7090 15.00 6.80 Ms 209 0.00 NEI 197611264006
1980/11/08 10:27:33.37 41.0740 -124.6100 15.10 6.70 Md 97 226 52 0.23 NC -1056783
1984/09/10 03:14:10.10 40.5030 -126.8310 10.00 6.10 Mb 267 0.96 NEI 198409104004
1991/07/13 02:50:14.69 42.1820 -125.6410 11.00 6.20 Mb 535 1.02 NEI 199107134009
1991/08/17 22:17:14.68 41.8210 -125.3970 13.50 6.20 Mb 431 1.24 NEI 199108174059
1992/04/26 07:41:40.08 40.4310 -124.5663 19.48 6.50 ML 29 248 20 0.13 NC 268031
1992/04/26 11:18:23.01 40.4172 -124.8320 14.17 6.60 ML 96 246 42 0.60 NC 268078
1994/09/01 15:15:53.08 40.4020 -125.6800 10.00 6.60 Mb 624 1.01 NEI 199409014034
1995/02/19 04:03:16.19 40.5560 -125.5390 10.00 6.80 Ms 527 1.14 NEI 199502194009
1996/07/24 20:15:44.79 41.7840 -125.9110 10.00 6.20 Me 175 1.20 NEI 199607241054
2005/06/15 02:50:54.49 41.3290 -125.8630 10.00 7.00 Mw 183 1.44 NEI 200506150001