23

C—la.

Records of Milne Seismograph No. 16, at Christchurch— continued.

Latr ;ude, 43' 31' 50' , longitui le, 72' [ -; time ;mp. [oyei reenwic. civi time. Date. Jommencement. Maxima. Semiamplitude. Total Duration. Natural Boom Period. Remarks. 1913. Aug. 1 6 H. M. 22 30 H. M. 22 8-0 23 0-8 Millimetres. 0-2 1-5 H. M. 0 120 Seconds. 150 150 Very slight tremor. Large waves commence 22 h. 58'8 m. Beginning and duration obscured by air-tremors. 23 2-6 23 3-9 23 11-4 23 17-8 23 25-4 23 30-4 1-4 I-β 1-7 2-7 1-7 1-4 1 32-2 0 26-8 0 10-8 Slight tremor only. 7 ,, 11 „ 12 2 32-8 6 39-2 9 16-7 7 17-4 Prom 9h. 19-6m. to 9h. 21-9 m. 5 8-0 04 0-3 14-3 14-3 „ 13 „ 14 „ 18 » 22 „ 31 Sept. 3 4 38-3 15 10 1 27-4 0-5 2 00-0 0 40-8 0 26-8 14-4 Slight tremors. 1 31-6 0-6 19-7 6 13-9 6 17-2 21 22-1 1-6 6-3 0 50-5 20-0 230 Very slight tremors up to 24 h. G.M.C.T. Large waves commence 21 h. 18-3 m. Beginning and duration obscured by air-tremors. 2 18-2 4 46-2 4 12-3 22 36-5 22 49-2 21 24-4 2 33-5 31 0-6 0 57-0 3 44-0 3 70 0 51-5 0 50-0 20-0 „ 13 Oct. 1 2 4 „ 10 5 34-5 22 56-5 From 22h. 54-2m. to 22h. 56-3m. 1 57-8 2 0-6 2 3-5 4 29-3 4 34-5 4 36-9 0-25 0-4 0-3 21-0 21-0 180 Continuous slight tremors. Slight tremors. »> „ 11 „ 11 1 41-8 4 1-2 5-4 1-8 I-β 5-6 1-9 2-0 2 12-0 4 20-6 18-7 18-7 Large waves commence 1 h. 53'8 m. Large waves commence 4 h. 23-6 m. » 11 „ 12 9 331 0 8-2 From 8h. 29-0m. to 8h. 30-4m. From 4h. 9-8m. (on 13th) to 4h. 14-2m. ' 8 54-5 8 25-0 8 29-7 8 44-6 21 25-8 2 15-9 6 56-8 7 25-0 0-3 2 37-0 9 32-5 19'0 Continuous slight tremors. >, 12 22 44-3 0-3 5 40-0 19-2 Slight tremors. „ 13 „ 14 8 48-7 8 18-2 0-5 14-5 6-0 I-β 2-0 11 0-5 0-3 0 28-3 3 29-4 19-2 190 Large waves commence 8 h. 22-1 m. „ 14 „ 16 „ 23 „ 30 „ 30 „ 30 Nov. 11 21 21-8 1 36-5 6 48-3 7 21-0 10 25-3 12 38-5 2 3-5 2 11-5 0 32-5 0 10-0 0 8-0 1 340 190 171 17-2 18-2 Large waves commence 21 h. 24'5 m. 2h. 13-9 m. Slight tremors. 12 42-3 9 22-8 . 0-5 11-5 18-2 18-3 Large waves commence 9 h. 18'0 m. Beginning and duration obscured by air-tremors. >> 13 15 17 19 23 33-9 5 42-9 20 55-9 3 30-8 9 25-2 9 26-0 9 29-3 9 31-3 9 32-0 23 37-1 to 23 39-7 5 50-8 5 52-1 20 59-9 21 11 3 56-0 3 59-2 4 1-1 14 30-2 14 35-4 0 6-5 4 45-1 4 46-4 4 47-8 6 21-3 6 22-7 6 24-3 6 24-9 6 25-8 31 4-0 2-2 2-0 20 0-4 0-9 1-0 0-9 10 I-β 2-6 2-5 0-6 0-5 0-5 I-β 1-9 20 41 4-9 2-0 2-2 1-6 1 24-5 1 340 3 360 3 120 18-5 19-4 18-7 18-2 Large waves commence 5 h. 50-3 m. Large waves commence 3 h. 50'9 m. )ec. 5 16-8 Continuous waves at about 14 h. 30 m. jj 6 9 0 6-2 4 39-5 0 4-6 1 49-6 16-8 16-6 Large waves commence 4 h. 43-5 m. 10 6 17-8 1 540 16-4 7 150 19 20-3 7 46-4 7 47'4 0 050 1 43-5 1 54-7 2 00-0 0-4 6'0 0-6 0-5 4-5 2-0 1-5 1-2 0 13-0 0 18.0 Long tremor. In middle of air-tremor. 1914. an. 15 „ 15 ?eb. 2 7 08-0 19 17-4 7 46-3 8 lar. 30 0 03-8 1 05-8 0 3-7 0 8-0 17-0 Felt in North Canterbury. Pelt locally. 2 300