Data Report
Phases / Oct-Dec 2010
Contributed by HKC
Our Ref.: HKO 220/172/22
10 January, 2011
Sir/Madam,
Preliminary Seismological Analysis
Enclosed please find the preliminary seismological analysis from October
to December 2010 for the station HKC. Please note that long period records include
all 3 components while short period records consist of the vertical component only.
Yours faithfully,
( Mr. D.S. Lau )
for Director of the Hong Kong Observatory
Preliminary Analysis of the Seismograph at HKC for Oct 2010
Date Phase Component Time (UTC) ?? Remarks
HHMMSS
Year 2010
1-Oct Nil
2-Oct Nil
3-Oct Nil
4-Oct iP E'N'Z' 014023
4-Oct iP Z' 133111
5-Oct Nil
6-Oct
7-Oct Nil
8-Oct iP E'N'Z' 033624 Compr to SW
8-Oct iP E'N'Z' 054811 Compr to NW
9-Oct Nil
10-Oct Nil
11-Oct Nil
12-Oct iP E'N'Z' 102818 Dilat
13-Oct Nil
14-Oct Nil
15-Oct Nil
16-Oct iP E'N'Z' 155056 31.5 Compr to S
iS E'N'Z' 155604
16-Oct P Z' 195704
16-Oct iP Z' 202052
17-Oct Nil
18-Oct Nil
19-Oct Nil
20-Oct Nil
21-Oct Nil
22-Oct Nil
23-Oct Nil
24-Oct Nil
25-Oct iP E'N'Z' 121048 Compr to N
25-Oct iP E'N'Z' 144823 Compr to NE
25-Oct iP N'Z' 194327
25-Oct iP N'Z' 230547
26-Oct Nil
27-Oct Nil
28-Oct Nil
29-Oct Nil
30-Oct Nil
31-Oct Nil
' ' Indicates long period records only.
" " Indicates short period records only.
* * Epicentral distance estimated from Jeffreys, H. and Bullen, K.E. Seismological Tables
Preliminary Analysis of the Seismograph at HKC for Nov 2010
Date Phase Component Time (UTC) ?? Remarks
HHMMSS
Year 2010
1-Nov Nil
2-Nov Nil
3-Nov iP Z' 234704
4-Nov Nil
5-Nov iP E'N'Z' 164340
6-Nov Nil
7-Nov iP E'N'Z' 193208 Compr
8-Nov Nil
9-Nov eP Z' 112237
10-Nov eP Z' 041632
11-Nov Nil
12-Nov Nil
13-Nov Nil
14-Nov Nil
15-Nov Nil
16-Nov eP Z' 014629
16-Nov eP Z' 201258
17-Nov Nil
18-Nov Nil
19-Nov iP ENZ 064210.4
20-Nov Nil
21-Nov iP E'N'Z' 123328 Compr. To E
22-Nov iP Z' 163116
23-Nov iP Z' 090908
24-Nov Nil
25-Nov Nil
26-Nov iP Z' 174222
27-Nov iP Z' 181614
28-Nov Nil
29-Nov Nil
30-Nov iP E'N'Z' 032914 Dilat to NE
'' Indicates long period records only.
" " Indicates short period records only.
* * Epicentral distance estimated from Jeffreys, H. and Bullen, K.E. Seismological Tables
Preliminary Analysis of the Seismograph at HKC for Dec 2010
Date Phase Component Time (UTC) ?? Remarks
HHMMSS
Year 2010
1-Dec Nil
2-Dec iP E'N'Z' 032023
3-Dec Nil
4-Dec Nil
5-Dec Nil
6-Dec eP Z' 073640
7-Dec eP Z' 182652
8-Dec iP E'N'Z' 065142
9-Dec eP Z' 040943
10-Dec Nil
11-Dec Nil
12-Dec Nil
13-Dec iP Z' 012323 Dilat to E
13-Dec eP Z' 092442
14-Dec Nil
15-Dec iP Z' 113551 Compr
16-Dec Nil
17-Dec Nil
18-Dec iP Z' 051012 Dilat to SE
19-Dec Nil
20-Dec iP E'N'Z' 185053 Dilat
21-Dec iP E'N'Z' 141324 Dilat
21-Dec iP E'N'Z' 172525 Dilat
22-Dec iP E'N'Z' 215524 Dilat
23-Dec iP E'N'Z' 140948 Compr
24-Dec Nil
25-Dec P Z' 060049
25-Dec iP E'N'Z' 132738 dilat to SE
26-Dec Nil
27-Dec Nil
28-Dec P Z' 084725
29-Dec iP E'N'Z' 070518 Dilat
30-Dec Nil
31-Dec Nil
'' Indicates long period records only.
" " Indicates short period records only.
* * Epicentral distance estimated from Jeffreys, H. and Bullen, K.E. Seismological Tables
Preliminary Analysis of the Hong Kong SP Seismograph Network for Oct 2010
Date Station P P-arrival S S-arrival Maximum zero to peak
phase UTC phase UTC ground displacement (nm)
Oct-10
1 Nil
2 THK iP 192500.9 iS 192619.9 51.6
YHK iP 192457.7 iS 192614.2
3 Nil
4 THK iP 014024.6 iS 014149.9 279.4
YHK iP 014020.0 iS 014141.6
5 Nil
6 Nil
7 Nil
8 Nil
9 Nil
10 Nil
11 Nil
12 Nil
13 Nil
14 Nil
15 Nil
16 Nil
17 Nil
18 Nil
19 Nil
20 Nil
21 Nil
22 Nil
23 Nil
24 Nil
25 Nil
26 Nil
27 Nil
28 Nil
29 Nil
30 Nil
31 Nil
Preliminary Analysis of the Hong Kong SP Seismograph Network for Nov 2010
Date Station P P-arrival S S-arrival Maximum zero to peak
phase UTC phase UTC ground displacement (nm)
Nov-10
1 Nil
2 Nil
3 Nil
4 Nil
5 Nil
6 Nil
7 Nil
8 THK iP 130247.8 iS 130357.3 289.7
YHK iP 130243.7 iS 130350.4 278.1
9 Nil
10 Nil
11 Nil
12 THK iP 154028.9 iS 154132.1
YHK iP 154024.6 iS 154125.0 1146.2
13 Nil
14 Nil
15 Nil
16 Nil
17 Nil
18 THK iP 193632.8 iS 193651.0
YHK iP 193632.9 iS 193651.2 85.9
19 THK iP 064207.1 25879.4
YHK iP 064211.7 iS 064217.4 8576.0
20 Nil
21 THK iP 123328.9 iS 123444.4 1198.9
YHK iP 123324.7 iS 123437.5 1799.2
22 Nil
23 Nil
24 Nil
25 Nil
26 Nil
27 Nil
28 Nil
29 Nil
30 THK iP 151023.9 iS 151140.3 99.0
YHK iP 151019.4 iS 151132.4
Preliminary Analysis of the Hong Kong SP Seismograph Network for Dec 2010
Date Station P P-arrival S S-arrival Maximum zero to peak
phase UTC phase UTC ground displacement (nm)
Dec-10
1 Nil
2 Nil
3 Nil
4 Nil
5 Nil
6 Nil
7 Nil
8 Nil
9 Nil
10 THK iP 023125.9 iS 023144.6 369.1
YHK iP 023124.9 iS 023142.9
11 Nil
12 Nil
13 Nil
14 Nil
15 Nil
16 Nil
17 Nil
18 Nil
19 Nil
20 Nil
21 THK iP 172527.3 5806.0
YHK iP 172525.0
22 Nil
23 Nil
24 Nil
25 Nil
26 Nil
27 Nil
28 Nil
29 Nil
30 Nil
31 Nil