Electronic Supplement to
Superquakes and Supercycles

by C. Goldfinger, Y. Ikeda, and R. S. Yeats

Table S4. Radiocarbon ages, interevent times and turbidite mass per event for 19 Cascadia margin turbidites correlated > 600 km along strike.

Mass is arbitrarily scaled and dimensionless as shown.

Juan de Fuca Cascadia JDF+Cascadia Rogue Apron Rogue Apron Rogue Apron Hydrate Ridge
12PC 23PC 12PC and 23PC 31PC 01JC 31PC and 01JC 56PC
Turbidite Mean OxCal Standard Dev. scaled scaled average scaled scaled scaled average scaled scaled
number age 2δ range of mean ages mass mass mass mass mass mass mass
1 268.0 200.0 340.0 449.8 398.4 424.1 347.0 218.450 282.700 314.8
2 494.0 450.0 550.0 83.5 295.6 154.2 224.9 514.0 77.100 295.550 141.4
3 801.0 760.0 840.0 55.3 398.4 347.0 372.7 642.5 244.150 443.325 816.0
4 1228.0 1180.0 1280.0 42.3 282.7 347.0 314.8 347.0 257.000 301.975 861.0
5 1580.0 1510.0 1650.0 31.8 295.6 604.0 449.8 475.5 655.350 565.400 462.6
6 2560.0 2510.0 2620.0 23.1 501.2 578.3 539.7 372.7 591.100 481.875 719.6
7 3130.0 2950.0 3130.0 61.4 873.8 809.6 841.7 546.1 398.350 472.238 539.7
8 3470.0 3390.0 3550.0 68.1 1002.3 436.9 719.6 475.5 346.950 411.200 771.0
9 4110.0 4040.0 4190.0 52.0 745.3 359.8 552.6 436.9 462.600 449.750 244.2
10 4761.0 4670.0 4860.0 51.5 385.5 192.8 289.1 552.6 1092.250 822.400 205.6
11 5890.0 5800.0 5990.0 111.2 1182.2 1606.3 1394.2 1503.5 1233.600 1368.525 1002.3
12 6450.0 6350.0 6540.0 102.1 102.8 115.7 109.2 51.4 89.950 70.675 192.8
13 7170.0 7120.0 7220.0 44.2 668.2 282.7 475.5 886.7 488.300 687.475 488.3
14 7610.0 7670.0 8230.0 39.5 269.9 269.9 269.9 257.0 950.900 603.950 77.1
15 8180.0 8070.0 8290.0 94.8 257.0 154.2 205.6 591.1 822.400 706.750 192.8
16 8940.0 8780.0 9100.0 61.6 1156.5 2852.7 2004.6 514.0 1606.250 1060.125 1040.9
17 9090.0 8960.0 9220.0 38.4 231.3 501.2 366.2 334.1 514.000 424.050 282.7
17a 9190.0 9000.0 9360.0 39.4 154.2 141.4 147.8 681.1 514.000 597.525 154.2
18 9760.0 9630.0 9910.0 94.0 244.2 501.2 372.7 655.4 1117.950 886.650 424.1


[ Back ]