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Table 2 Summary of semblance locations for pre- and syn-eruption VLP activity filtered from 0.03 to 0.1 Hz

From: Relating gas ascent to eruption triggering for the April 27, 2016, White Island (Whakaari), New Zealand eruption sequence

Time (hh:mm)

Easting (m)

Northing (m)

Depth (m)

Semblance

Pre-eruption

07:36

2,879,875 ± 150

6,400,125 ± 175

775 ± 225

0.6855

09:28

2,879,950 ± 150

6,400,125 ± 150

700 ± 175

0.7784

09:29

2,879,925 ± 200

6,400,225 ± 200

700 ± 250

0.6692

09:33

2,879,925 ± 175

6,400,175 ± 150

775 ± 200

0.7651

09:34

2,880,000 ± 150

6,400,250 ± 150

825 ± 200

0.7491

09:35

2,879,950 ± 125

6,400,100 ± 125

775 ± 175

0.6886

Eruption P4

09:53

2,879,950 ± 25

6,400,150 ± 25

875 ± 50

0.9647

09:54

2,879,925 ± 50

6,400,175 ± 25

1000 ± 50

0.9332

09:55

2,880,025 ± 75

6,400,150 ± 75

1050 ± 100

0.9174

09:56

2,879,950 ± 100

6,400,150 ± 75

1050 ± 125

0.9311

09:57

2,879,875 ± 150

6,400,125 ± 125

1000 ± 200

0.7773

  1. Locations are derived from 1-min moving time window with no overlap. Time is in UTC at the start of each window. The lateral and depth errors are in meters. See Figs. 3, 4 and 5 for reference