Area | Location | GPS coordinates | Distance (m) | Thickness (cm) | Description | Tsunami deposit | Underlying soil | Overlying mud drape | Survey Date | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Latitude | Longitude | Mean grain size (phi) | Mud content (%) | Mean grain-size (phi) | Mud content (%) | Mean grain-size (phi) | Mud content (%) | ||||||
Onuma | ON1 | 38.228889 | 140.982611 | 918 | 13 | Lower c. sand and upper vf. sand layers including mud clast at the bottom and muddy thin layer at the middle with a mud drape | May 2011 | ||||||
ON2 | 38.229500 | 140.981556 | 1042 | 14 | Lower m.–c. sand and upper vf.–f. sand layers including mud clast at the middle with a mud drape | May 2011 | |||||||
ON3 | 38.230361 | 140.980000 | 1220 | 10 | Repetition of m. sand and muddy sand layers showing upward fining nearly at the top with a thin mud drape | May 2011 | |||||||
ON4 | 38.231111 | 140.978611 | 1369 | 10 | Repetition of f.–m. sand and muddy sand layers with a thin mud drape | May 2011 | |||||||
ON5 | 38.231722 | 140.977444 | 1496 | 7 | Repetition of f.–m. sand and muddy sand layers with a thin mud drape | May 2011 | |||||||
ON6 | 38.232667 | 140.975750 | 1676 | 8 | Repetition of m. sand and muddy sand layers with a thin mud drape | May 2011 | |||||||
ON7 | 38.233389 | 140.974528 | 1825 | 7 | Repetition of f.–m. sand and muddy sand layers with a thin mud drape | May 2011 | |||||||
ON8 | 38.234333 | 140.972861 | 2010 | 2 | F. sand with a thin mud drape | May 2011 | |||||||
ON9 | 38.241611 | 140.967639 | 2846 | 3 | Graded f. sand with a thin mud drape | Apr. 2011 | |||||||
ON10 | 38.242639 | 140.966222 | 3018 | 0.3 | Interbedded layers of thin sand and mud | Apr. 2011 | |||||||
ON11 | 38.242889 | 140.965722 | 3066 | 3 | Repetition of f. sand and muddy sand layers | Apr. 2011 | |||||||
ON12 | 38.243083 | 140.965528 | 3101 | 3 | Thin f. sand layer with a mud drape | Apr. 2011 | |||||||
ON13 | 38.243694 | 140.964444 | 3220 | 2 | Muddy f. sand with a mud drape | Apr. 2011 | |||||||
ON14 | 38.244000 | 140.963833 | 3282 | 2.3 | Thin vf.–f. sand layers with a mud drape | Apr. 2011 | |||||||
ON15 | 38.244333 | 140.963333 | 3351 | 2 | Mud drape | Apr. 2011 | |||||||
ON16 | 38.244611 | 140.957833 | 3769 | 0.2 | Mud drape | Apr. 2011 | |||||||
ON17 | 38.245222 | 140.955056 | 4030 | ≈0 | Inland limit of the mud drape extent | Apr. 2011 | |||||||
Arahama | AR1 | 38.215278 | 140.982083 | 262 | 17 | * | 1.38 | 2.66 | 1.48 | 38.96 | May 2011 | ||
AR2 | 38.218194 | 140.978389 | 687 | 4 | C. sand including gravels with thin fine sand layer at the top | May 2011 | |||||||
AR3 | 38.218194 | 140.978389 | 697 | 9 | * | 0.74 | 4.43 | 1.34 | 7.85 | May 2011 | |||
AR4 | 38.218444 | 140.978333 | 722 | 5 | C. sand graded upward into f.–m. sand with a thin mud drape | May 2011 | |||||||
AR5 | 38.218444 | 140.978333 | 731 | 9 | Repetition of graded layers (c. sand into m. sand) including rip-up clast | May 2011 | |||||||
AR6 | 38.218444 | 140.978333 | 740 | 5 | C. sand graded upward into m.–c. sand | May 2011 | |||||||
AR7 | 38.219472 | 140.974806 | 1052 | 5 | C. sand graded upward into m.–c. sand including shell fragments at the bottom with a thin mud drape | May 2011 | |||||||
AR8 | 38.220000 | 140.974333 | 1118 | 6 | * | 1.45 | 3.11 | 1.37 | 22.37 | May 2011 | |||
AR9 | 38.222583 | 140.969083 | 1661 | 13 | * | 1.85 | 40.97 | 1.53 | 28.00 | Apr. 2011 | |||
AR10 | 38.222639 | 140.967556 | 1784 | 11 | * | 1.94 | 31.77 | 1.37 | 12.55 | Apr. 2011 | |||
AR11 | 38.224361 | 140.960944 | 2366 | 6.5 | * | 2.50 | 62.67 | 1.68 | 29.15 | Apr. 2011 | |||
AR12 | 38.225139 | 140.958528 | 2615 | 6.5 | Mud drape | Apr. 2011 | |||||||
AR13 | 38.226167 | 140.954417 | 2985 | 4 | * | 2.06 | 56.04 | 1.62 | 43.23 | Apr. 2011 | |||
AR14 | 38.226361 | 140.953694 | 3039 | 2 | F.–m. sand with a mud drape | Apr. 2011 | |||||||
AR15 | 38.226389 | 140.953389 | 3080 | 1 | Mud drape | Apr. 2011 | |||||||
AR16 | 38.226361 | 140.950833 | 3267 | 1 | Mud drape including f.–m. sand grains | Apr. 2011 | |||||||
AR17 | 38.226472 | 140.950861 | 3279 | 0.5 | Mud drape including f.–m. sand patches | Apr. 2011 | |||||||
AR18 | 38.226722 | 140.949444 | 3388 | 0.2 | Thin mud drape | Apr. 2011 | |||||||
AR19 | 38.227056 | 140.948500 | 3487 | 0.2 | Thin mud drape | Apr. 2011 | |||||||
AR20 | 38.227472 | 140.947028 | 3617 | 0.1 | Thin mud drape | Apr. 2011 | |||||||
AR21 | 38.227750 | 140.945722 | 3744 | 0 | No deposit | Apr. 2011 | |||||||
Natori | NT1 | 38.147250 | 140.930083 | 1561 | 6 | C. sand graded upward into f. sand showing laminations with a thin mud drape | May 2011 | ||||||
NT2 | 38.147250 | 140.930083 | 1579 | 5 | C. sand between thin m. sand layers showing laminations with a thin mud drape | May 2011 | |||||||
NT3 | 38.147778 | 140.928694 | 1693 | 8 | C. sand including gravels graded upward into m.–c. sand with a mud drape | May 2011 | |||||||
NT4 | 38.147778 | 140.928694 | 1714 | 10 | C. sand including gravels graded upward into m.–c. sand with a mud drape | May 2011 | |||||||
NT5 | 38.143167 | 140.926583 | 1730 | 18 | F.–m. sand inversely graded upward into m.–c. sand including gravels at the middle | May 2011 | |||||||
NT6 | 38.142944 | 140.925667 | 1782 | 1 | M.–c. sand | May 2011 | |||||||
NT7 | 38.142944 | 140.925667 | 1813 | 10 | Repetition of graded layers of c. sand into m.–c. sand with intercalated layers of heavy mineral concentration | May 2011 | |||||||
NT8 | 38.148611 | 140.926917 | 1884 | 9 | Lower c. sand graded upward into muddy f. sand including mud clast, and upper f. sand with a mud drape including plant fragments | May 2011 | |||||||
NT9 | 38.148611 | 140.926917 | 1895 | 14 | F.–m. sand inversely graded upward into well-laminated m. sand, then graded into f.–m. sand with a mud drape | May 2011 | |||||||
NT10 | 38.143417 | 140.922528 | 2052 | 9 | * | 1.19 | 1.29 | 1.29 | 4.27 | May 2011 | |||
NT11 | 38.148111 | 140.912250 | 3113 | 2 | Mud drape | Apr. 2011 | |||||||
NT12 | 38.144139 | 140.909333 | 3210 | 2.3 | M. sand with a thin mud drape | Apr. 2011 | |||||||
NT13 | 38.148444 | 140.911056 | 3231 | 2 | Mud drape | Apr. 2011 | |||||||
NT14 | 38.144444 | 140.908222 | 3315 | 3 | Mud drape | Apr. 2011 | |||||||
NT15 | 38.144639 | 140.907583 | 3386 | 5 | Mud drape | Apr. 2011 | |||||||
NT16 | 38.146639 | 140.900778 | 4036 | 4 | Mud drape | Apr. 2011 | |||||||
Watari | WT1 | 38.017056 | 140.915806 | 164 | 33 | * | 1.21 | 0.60 | 1.01 | 14.90 | May 2011 | ||
WT2 | 38.017167 | 140.914667 | 269 | 19 | * | 1.49 | 0.38 | May 2011 | |||||
WT3 | 38.017167 | 140.913194 | 401 | 8 | M.–c. sand graded upward into f. sand | May 2011 | |||||||
WT4 | 38.017889 | 140.912472 | 475 | 8 | Laminated f. sand with a layer of heavy mineral concentration at the bottom | May 2011 | |||||||
WT5 | 38.017833 | 140.912389 | 485 | 14 | * | 1.72 | 2.06 | 1.62 | 5.55 | Jan. 2012 | |||
WT6 | 38.018028 | 140.911167 | 601 | 7 | * | 1.75 | 1.36 | 1.48 | 27.22 | Jan. 2012 | |||
WT7 | 38.018000 | 140.911083 | 614 | 8 | Laminated f. sand on an undulating base | May 2011 | |||||||
WT8 | 38.019583 | 140.904139 | 1225 | 4 | F. sand with a layer of heavy mineral concentration at the middle and a thin mud drape | May 2011 | |||||||
WT9 | 38.019611 | 140.903944 | 1257 | 4 | * | 2.34 | 57.90 | 1.74 | 39.75 | Jan. 2012 | |||
WT10 | 38.018972 | 140.900500 | 1555 | 14 | * | 1.73 | 14.51 | 1.26 | 21.56 | Jan. 2012 | |||
WT11 | 38.018972 | 140.900250 | 1574 | 5 | C. sand graded into m. sand with a mud drape | May 2011 | |||||||
WT12 | 38.018944 | 140.898306 | 1716 | 9 | * | 1.80 | 6.65 | 1.14 | 29.50 | May 2011 | |||
WT13 | 38.019139 | 140.898278 | 1736 | 3 | * | 2.49 | 59.69 | 1.64 | 22.21 | Jan. 2012 | |||
WT14 | 38.018972 | 140.898111 | 1754 | 3 | M. sand with a mud drape | May 2011 | |||||||
WT15 | 38.019500 | 140.890417 | 2442 | 7 | * | 2.75 | 69.06 | 0.69 | 29.16 | Jan. 2012 | |||
WT16 | 38.019528 | 140.890250 | 2464 | 6 | Muddy m. sand with a mud drape | May 2011 | |||||||
WT17 | 38.018750 | 140.888139 | 2620 | 4 | F.–m. sand with a mud drape | Apr. 2011 | |||||||
Yamamoto | YM1 | 37.979722 | 140.913028 | 147 | 46 | Repetition of graded layers; m.–c. sand graded upward into m. sand including shell fragments, then it inversely graded into c. sand including gravels. It graded into m. sand including many gravels and laminated f. sand which inversely graded into c. sand, and finally graded into m. sand at the top | Apr. 2011 | ||||||
YM2 | 37.979694 | 140.913028 | 154 | 65 | Repetition of graded layers; f. sand inversely graded upward into m. sand and c. sand including gravels and shells. It graded into f.–m. sand which inversely graded into c. sand including gravels at the top | Apr. 2011 | |||||||
YM3 | 37.979833 | 140.912306 | 233 | 42 | F. sand inversely graded upward into s. sand including gravels and shells, then it graded into m. sand and laminated f. sand | May 2011 | |||||||
YM4 | 37.979833 | 140.912250 | 240 | 30 | * | 1.23 | 0.55 | 1.59 | 9.36 | Apr. 2011 | |||
YM5 | 37.979833 | 140.911472 | 303 | 28 | C. sand including gravels graded upward into well-laminated vf.–f. sand, then it inversely graded into laminated m.–c. sand | Apr. 2011 | |||||||
YM6 | 37.979889 | 140.910778 | 370 | 15 | * | 1.54 | 0.75 | 1.56 | 2.73 | Apr. 2011 | |||
YM7 | 37.979972 | 140.909333 | 495 | 13 | * | 1.36 | 1.38 | 1.35 | 5.64 | Apr. 2011 | |||
YM8 | 37.979944 | 140.907944 | 605 | 18 | * | 1.49 | 1.32 | 1.46 | 3.41 | Apr. 2011 | |||
YM9 | 37.979722 | 140.913194 | 709 | 13 | * | 1.59 | 1.06 | 1.33 | 2.68 | Apr. 2011 | |||
YM10 | 37.980889 | 140.899361 | 1364 | 5 | * | 1.84 | 5.25 | 1.25 | 30.92 | May 2011 | |||
YM11 | 37.982278 | 140.898194 | 1459 | 8 | * | 1.81 | 14.24 | 1.35 | 9.37 | May 2011 | |||
YM12 | 37.982278 | 140.898194 | 1475 | 13 | Lower laminated c. sand graded upward into m.–c. sand with mud drape, and upper laminated f.–m. sand | May 2011 | |||||||
YM13 | 37.980583 | 140.897250 | 1581 | 3 | Vf. sandy mud and an intercalated thin f. sand layer | May 2011 | |||||||
YM14 | 37.981139 | 140.891194 | 2080 | 4 | * | 1.93 | 49.06 | 0.96 | 27.38 | May 2011 | |||
YM15 | 37.980917 | 140.889111 | 2265 | 3 | F. sand with a thin mud drape | May 2011 | |||||||
YM16 | 37.980694 | 140.887556 | 2407 | 0.5 | F. sand graded upward into laminated vf. sand with a mud drape | May 2011 | |||||||
YM17 | 37.980278 | 140.884083 | 2705 | 1 | Thin vf.–f. sand with a mud drape | May 2011 | |||||||
YM18 | 37.979917 | 140.882000 | 2894 | 0.7 | Thin vf.–f. sand with a mud drape | May 2011 | |||||||
YM19 | 37.979806 | 140.881528 | 2938 | 2 | * | 2.55 | 96.63 | 1.51 | 46.07 | Apr. 2011 | |||
YM20 | 37.979722 | 140.880361 | 3040 | 3 | Patchy m.–c. sand at the bottom with a mud drape | May 2011 | |||||||
YM21 | 37.979556 | 140.879472 | 3117 | 2 | Patchy f. sand at the bottom with a mud drape including a thin vf.–f. sand layer | May 2011 | |||||||
YM22 | 37.979639 | 140.878778 | 3173 | 1.5 | Mud drape | May 2011 | |||||||
YM23 | 37.979306 | 140.878444 | 3210 | 1 | Mud drape | May 2011 | |||||||
YM24 | 37.979528 | 140.877833 | 3267 | 0.7 | Thin mud drape | May 2011 | |||||||
YM25 | 37.979944 | 140.877083 | 3331 | 0.5 | Thin mud drape | May 2011 | |||||||
YM26 | 37.979250 | 140.876583 | 3364 | 7 | M. sand with a mud drape | Apr. 2011 | |||||||
YM27 | 37.979194 | 140.876111 | 3417 | 0.5 | Thin mud drape | Apr. 2011 | |||||||
Suijin-numa | SJ1 | 37.901361 | 140.925028 | 211 | 27 | * | -0.47 | 1.20 | Apr. 2011 | ||||
SJ2 | 37.901722 | 140.921056 | 546 | 14 | * | 1.87 | 3.87 | 1.76 | 16.33 | Apr. 2011 | |||
SJ3 | 37.901556 | 140.920278 | 611 | 13 | * | 2.42 | 25.40 | 1.54 | 15.79 | Apr. 2011 | |||
SJ4 | 37.901194 | 140.918833 | 739 | 15 | * | 0.26 | 2.16 | Apr. 2011 | |||||
SJ5 | 37.902111 | 140.918472 | 757 | 11 | * | 2.06 | 26.95 | 1.89 | 34.97 | Apr. 2011 | |||
SJ6 | 37.901056 | 140.916194 | 972 | 20 | Repetition of m.–c. sand graded upward into f.–m. sand with a mud drape | Apr. 2011 | |||||||
SJ7 | 37.900972 | 140.916028 | 999 | 6 | * | 1.98 | 14.55 | 1.54 | 22.03 | Apr. 2011 | |||
SJ8 | 37.899000 | 140.913583 | 1262 | 7 | M.–c. sand graded upward into m. sandy mud, with rippled m. sand at the top | Apr. 2011 | |||||||
SJ9 | 37.897722 | 140.911083 | 1515 | 10 | * | 1.72 | 13.71 | 1.68 | 37.12 | Apr. 2011 | |||
Shinchi | SN1 | 37.883673 | 140.929535 | 304 | 22 | * | 1.57 | 3.36 | 0.86 | 28.84 | Jan. 2012 | ||
SN2 | 37.883595 | 140.929205 | 340 | 19 | * | 1.69 | 2.86 | 1.14 | 22.95 | Jan. 2012 | |||
SN3 | 37.883384 | 140.928071 | 443 | 13 | * | 1.51 | 2.85 | 1.29 | 32.42 | Jan. 2012 | |||
SN4 | 37.883308 | 140.927401 | 497 | 10 | * | 1.74 | 5.33 | 1.27 | 33.16 | Jan. 2012 | |||
SN5 | 37.883265 | 140.925027 | 712 | 5 | * | 1.99 | 15.60 | 1.26 | 57.01 | Jan. 2012 | |||
SN6 | 37.883229 | 140.923873 | 810 | 11 | * | 1.72 | 23.74 | 1.90 | 70.26 | Jan. 2012 | |||
SN7 | 37.882565 | 140.919536 | 1203 | 6 | * | 1.72 | 4.11 | 1.54 | 43.94 | Jan. 2012 | |||
SN8 | 37.883349 | 140.915971 | 1503 | 6 | * | 1.67 | 15.92 | 1.75 | 39.08 | Jan. 2012 | |||
Odaka | OD1 | 37.550747 | 141.019985 | 809 | 8 | * | 1.24 | 15.15 | 2.20 | 57.97 | 30.82 | 1.41 | Nov. 2015 |
OD2 | 37.550484 | 141.017983 | 983 | 12 | * | 1.04 | 4.19 | 2.44 | 42.84 | 43.72 | 2.11 | Nov. 2015 | |
OD3 | 37.550136 | 141.016356 | 1133 | 9 | * | 1.23 | 16.94 | 1.66 | 38.61 | 65.48 | 1.81 | Nov. 2015 | |
OD4 | 37.549779 | 141.014585 | 1300 | 11 | * | 1.46 | 6.95 | 1.73 | 35.73 | 58.51 | 2.39 | Nov. 2015 | |
OD5 | 37.549976 | 141.012122 | 1507 | 9 | * | 2.17 | 14.15 | 2.45 | 54.90 | 80.69 | 2.94 | Nov. 2015 | |
OD6 | 37.550007 | 141.010755 | 1620 | 8 | * | 2.12 | 12.63 | 2.23 | 62.12 | 72.38 | 2.72 | Nov. 2015 | |
OD7 | 37.549174 | 141.010189 | 1699 | 8 | * | 1.93 | 11.33 | 2.33 | 43.19 | 86.98 | 2.72 | Nov. 2015 | |
OD8 | 37.546408 | 141.004417 | 2271 | 0 | * | 2.41 | 41.63 | Nov. 2015 |