o.—la

20

Earthquake Records by Milne Seismograph No. 16, at Christchurch. Preliminary tremors or first phase, P 1; second phase, P 2; third phase or large waves, P3; duration, D amplitude, A.; air tremors, Ats. Time is Greenwich civil mean time.

Date. Commencement. )mmencement. t. Max Max. M»x. Amplitude. Dnratlon. 1 " R«m»rki. 1910. April. ] 4 8 ! 12 13 16 18 20 23 27 May. 1 5 6 8 10 13 i 15 : 21 22 I 29 i 29 31 31 H. in. i:i 85-8 5 23-7 Indefinite (i .->o-:{ .-> 56-6 indefinite 7 34-!) 22 28-B Indefinite 2 Ki-:s 4 44-7 Indefinite 0 57-4 23 22<» 18 25-2 18 32-7 2 33-ti 4 42-0 22 58-3 6 48-1 8 38-4 11 12-2 5 19-8 5 32-6 (i (1(1-7 10 30-5 5 02-6 I) 500 8 10-5 13 08-1 10 16-6 2 58-9 Ki 51-5 Indefinite H. in. 14 27-8 16 86-2 0 o0-(i 5 68-7 13 09-3 22 49-0 IB 52-8 4 46-3 18 45-7 1 09-8 23 29-1 18 34-4 2 36-2 4 49'5 23 07-5 7 LO-β 5 21-3 i> 01-8 6 09-3 6 22-9 8 12-0 10 32'0 5 04-6 13 13-2 10 20-7 11 03-8 11 08-7 14 28-9 Mm. 0-9 ()•» 1-6 0-4 1-3 (1-2.-) .")•,"> 0-2 0-4 0-1 0-3 0-1;") 0-2 0-4 0-15 0-7 .VI 0-2 01 0-3 0-4 17 r 4-2 H. m. 1 38-5 0 08-2 Indefinite 1 04-4 0 18-5 indefinite 0 41-0 1 14-4 Indefinite 0 35-1 0 11-8 Indefinite 0 41-0 0 380 0 20-0 0 35-4 0 12-8 0 26-4 (I 22-5 1 11-2 1 26-1 0 06-1 0 06-6 1 29-2 3 00-0 0 06-1 0 27-1 0 05-1 0 02-5 0 39-5 0 26-9 0 14-3 Indefinite Indefinite Slight thickening. I', and 1). obsoured bj Ats. Preceded and followed by minute Ati. I , ! and U. obscured by Ats. Thickening of line. Preceded by continuous Ats. I', and T>. obscured by Ats. Thickenings. I', mid 1). obsoured by Ats. Small swellings. .Minute tremors, possibly Ate. ! Slight swellings. '.' (liiirin in Fiji. Minute. Minute. Very slight. End obscured by quake following. Pi obscured by preceding quako ended 15h. 4'J-5ni .June. 1 2 5 i !l 9 13 23 24 ! 29 29 July. 5 7 11 12 16 10 421 8 26-8 20 86-0 21 08-0 12 08-5 21 48-7 in 38-fi 15 27-7 10 38-1 10 46-0 10 54-4 10 59-3 8 58-7 9 141 9 23-3 20 39-4 20 47-3 21 121 21 37-7 12 14-0 12 21-8 12 25-3 21 51-8 21 56-7 19 39-3 19 52-2 15 38-9 11 01-3 11 14-3 1-0 11 0-9 1-0 0-8 1-1 1-2 1-5 7-0 3-5 10 1-0 1-0 0-2 0-3 0-2 0-2 2-0 2-5 2-3 1 11-0 1 57-5 0 53-5 1 47-2 1 ' J (I-;") (I 14-8 0 22-0 0 31-9 1 14-3 Swellings. Preceded and roitjwed by minute troniora. 18 11) 24 29 Aug. 5 10 21 15 38-3 20 49-6 5 36-3 15 39-5 21 08-2 5 53-6 5 55-1 0-0 0-4 7-0 5-0 0 05-9 0 -88-3 2 31-1 Sept. 7 9 7 33-9 9 00-0 12 21-9 7 05-8 11 54'4 8 00-2 2 42-5 7 47-5 7 51-4 9 19-8 9 28-4 12 33-4 7 11-0 8 26-5 12 07-9 8 06-8 2 47-7 7 53-7 7-0 5-1 30 1-4 2-4 1-0 2-2 1-0 4-0 2-5 1 25-0 0 55-3 0 38-3 0 57-0 0 53-0 0 28-6 1 10-4 0 51-7 End obsoured by Ats. 10 Oot. 7 7 12 18 30 Nov. 9 10 26 U 09-8 12 28-4 4 50-4 (> 32-1 12 40-4 5 04-8 17-5-2-0 10-8 I 3 03-1 0 30-6 Reproduced. Duration doubtful owing to Ats.