Table 1 Dimensions of the blocks surveyed

From: Fast estimation of landslide blocks’ volume from seismic noise measurements

Block

W [m]

L [m]

Z [m]

A [m-2]

Vcalc [m-3]

Order of

magnitude

Vcalc [m-3]

fHV [Hz]

POP1

3

4

11

12

132

1 × 102

11

POP2a

43

10

14

430

6140

6 × 103

8.5

POP3b

8

10

14

84

1200

1 × 103

10

POP4c

36

20

12

720

8640

9 × 103

8

POP5d

109

14

26

1610

43,500

4 × 104

7

POP6

499

503

25

251,000

6,275,000

6 × 106

3

POP8c

50

20

12

1000

12,000

1 × 104

8

POP9c

36

20

12

720

8640

9 × 103

8

POP10a

43

10

14

437

6140

6 × 103

8.5

POP11a

43

10

14

437

6150

6 × 103

8.5

POP12

497

502

25

994

6,237,000

6 × 106

4

POP13d

109

14

26

1610

43,500

4 × 104

7

POP14

25.0

/

MAL1e

14

11

12

154

1850

2 × 103

4

MAL2f

20

13

12

268

3300

3 × 103

Not specific

range

MAL3

6

4

6

27

176

1 × 102

7

MAL5

4

5

10

20

200

2 × 102

10

MAL6

5

10

16

60

960

9 × 102

8

MAL7

24

18

8

432

3456

3 × 103

Not specific

range

MAL8

24

18

8

432

3456

3 × 103

Not specific

range

  1. aValues obtained from Il-Prajjet megablock V in ref. 41.
  2. bValues obtained from Il-Prajjet megablock VI in ref. 41.
  3. cValues obtained from Il-Prajjet megablock II in ref. 41.
  4. dValues obtained from Il-Prajjet megablock I in ref. 41.
  5. eValues obtained from Il-Qarraba megablock III in ref. 41.
  6. fValues obtained from Il-Qarraba megablock V in ref. 41.
  7. Block name/ID according to Fig. 3 (Il-Prajjet site) and Fig. 4 (Il-Qarraba peninsula site), dimensions W, L, and Z, area and volume (Vcalc) estimated by the field observation and the UAVDP and the derived order of magnitude of the calculated volume, block’s eigenfrequency (fHV) obtained by the H/V curves and polarisation analyses.