From: Creating a digital database of tephra fallout distribution and frequency in Japan
Age (ka) | t > 0 (× 10− 4) | t ≥ 10 (× 10− 4) | t ≥ 100 (× 10− 4) | t ≥ 200 (× 10− 4) | t ≥ 500 (× 10− 4) |
---|---|---|---|---|---|
0–10 | 5.00 | 3.00 | 0.00 | 0.00 | 0.00 |
0–20 | 4.00 | 2.00 | 0.50 | 0.00 | 0.00 |
0–30 | 3.00 | 1.67 | 0.67 | 0.00 | 0.00 |
0–40 | 2.25 | 1.25 | 0.50 | 0.00 | 0.00 |
0–50 | 1.80 | 1.00 | 0.40 | 0.00 | 0.00 |
0–60 | 1.50 | 0.83 | 0.33 | 0.00 | 0.00 |
0–70 | 1.43 | 0.86 | 0.43 | 0.00 | 0.00 |
0–80 | 1.25 | 0.75 | 0.38 | 0.00 | 0.00 |
0–90 | 1.33 | 0.89 | 0.44 | 0.11 | 0.00 |
0–100 | 1.30 | 0.90 | 0.40 | 0.10 | 0.00 |
0–110 | 1.27 | 0.91 | 0.36 | 0.09 | 0.00 |
0–120 | 1.25 | 0.92 | 0.33 | 0.08 | 0.00 |
0–130 | 1.31 | 1.00 | 0.38 | 0.08 | 0.00 |
0–140 | 1.21 | 0.93 | 0.36 | 0.07 | 0.00 |
0–150 | 1.13 | 0.87 | 0.33 | 0.07 | 0.00 |
Mean | 1.94 | 1.18 | 0.39 | 0.04 | 0.00 |
Conf_95_max | 2.58 | 1.52 | 0.47 | 0.07 | ND |
Conf_95_min | 1.29 | 0.85 | 0.31 | 0.02 | ND |