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Table 1 Sites of microtremor array measurements, size of array and obtained AVS30 values

From: Estimation of shallow S-wave velocity structure using microtremor array exploration at temporary strong motion observation stations for aftershocks of the 2016 Kumamoto earthquake

Region Site code Lat. (deg.) Long. (deg.) Date in 2016 Array sizea (m) AVS30 ± SD (m/s)
Aso and Minami-Aso AS01 32.920410 130.975480 22 May 13–2 495 ± 0.31
AS02 32.906830 130.993700 22 May 13–2 267 ± 0.69
AS03 32.884100 130.992940 22 May 12–1.5 254 ± 0.49
AS04 32.879480 130.964540 22 May 20–2.5 401 ± 0.35
Kumamoto city KC01 32.781222 130.764500 1 May 30–3 259 ± 0.30
KC02 32.787970 130.736510 20 May 12–1.5 313 ± 1.61
KC03 32.763166 130.723796 20 May 20–2.5 194 ± 0.85
KC04 32.784400 130.706020 20 May 20–2.5 232 ± 0.98
Mashiki MK01 32.791222 130.816194 21 May 4–2 258 ± 0.63
MK02 32.796639 130.819806 21 May 20–2.5 248 ± 0.68
MK03 32.786750 130.809833 1 May 8–1.5 244 ± 1.40
MK04 32.789056 130.804778 30 April 5–1.5 267 ± 1.37
MK05 32.792750 130.817639 1 May 9–1.5 241 ± 1.28
MK06 32.782306 130.841056 21 May 8–1.5 261 ± 0.97
MK07 32.780250 130.790667 30 April 10–1.5 229 ± 1.30
MK08 32.786722 130.828361 30 April 7–2 309 ± 0.22
MK09 32.788194 130.819722 30 April 14–2 252 ± 2.00
MK10 32.804000 130.815611 30 April 6–1.5 284 ± 1.94
MK11 32.800833 130.841833 30 April 12–1.5 330 ± 0.98
MK12 32.784667 130.833667 21 May 20–2.5 335 ± 0.21
MK13 32.823891 130.842807 21 May 24–3 269 ± 1.04
Nishihara NH01 32.814820 130.890180 22 May 12–1.5 410 ± 0.11
NH02 32.829620 130.901050 21 May 20–2.5 339 ± 0.41
NH03 32.834950 130.903080 22 May 11–1.5 256 ± 0.32
NH04 32.846089 130.918586 21 May 16–2 270 ± 0.72
NH05 32.844250 130.928800 21 May 10–1.5 231 ± 1.04
  1. aMaximum and minimum side length of triangles