Data Report
Phases / Oct-Dec 2007
Contributed by HKC
Our Ref.: HKO 220/172/22
6 March 2008
Dear Sir/Madam,
Preliminary Seismological Analysis
Enclosed please find the preliminary seismological analysis from
October to December 2007 for the station HKC. Please note that long period
records include all 3 components.
Yours faithfully,
( Mr. K.L. Kwan )
for Director of the Hong Kong Observatory
Preliminary Analysis of the Seismograph at HKC for Oct 2007
??
Date Phase Time (UTC) Remarks
Component
HHMMSS
Year 2007
1-Oct Nil
2-Oct iP Z' 034940
3-Oct Nil
4-Oct iP Z' 124626 Compr
5-Oct Nil
6-Oct P E' 124505
7-Oct Nil
8-Oct Nil
9-Oct iP Z" 072659
9-Oct P Z' 151203
10-Oct P E'N'Z' 002452
11-Oct P Z' 204436
12-Oct iP Z' 003726
13-Oct Nil
14-Oct Nil
15-Oct iP E'N'Z' 124158 82.4 Compr
iS E'N' 125212
16-Oct iP E'N'Z' 211654 79.1 Dilat to S
iS E'N' 212610
17-Oct Nil
18-Oct Nil
19-Oct Nil
20-Oct Nil
21-Oct P N'Z' 143015
21-Oct P Z' 163130
22-Oct Nil
23-Oct iP E'N'Z' 200236 27.9 Compr to N
S Z' 200716
24-Oct iP E'N'Z' 210851 29.0 Compr to NE
iS E'N'Z' 211340
P 053130
25-Oct Z'
25-Oct iP E'N'Z' 135744 Compr
26-Oct Nil
27-Oct Nil
28-Oct Nil
29-Oct Nil
30-Oct Nil
31-Oct iP E'N'Z' 033604 Dilat to E
' 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 2007
??
Date Phase Time (UTC) Remarks
Component
HHMMSS
Year 2007
1-Nov Nil
2-Nov Nil
3-Nov Nil
4-Nov Nil
5-Nov Nil
6-Nov Nil
7-Nov Nil
8-Nov Nil
9-Nov Nil
10-Nov P E'N'Z' 012604 84.0
S E'Z' 013630
10-Nov iP Z' 232540
11-Nov Nil
12-Nov iP Z' 003215
13-Nov Nil
14-Nov PKPdf Z' 160058
15-Nov PKPdf Z' 152610
16-Nov PKPdf Z' 033240
17-Nov Nil
18-Nov Nil
19-Nov Nil
20-Nov Nil
21-Nov Nil
22-Nov iP E'N'Z' 085620 Compr
22-Nov P Z' 230736
23-Nov Nil
24-Nov Nil
25-Nov P E'N' 160830
25-Nov P E'N' 195920
26-Nov P Z' 135730
P 042856
27-Nov Z'
27-Nov P E'Z' 115954
28-Nov Nil
29-Nov PKPdf Z' 191932
30-Nov 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 Dec 2007
??
Date Phase Time (UTC) Remarks
Component
HHMMSS
Year 2007
1-Dec iP E'N'Z' 015000 Compr
2-Dec Nil
3-Dec Nil
4-Dec Nil
5-Dec Nil
6-Dec Nil
7-Dec P Z' 005258
8-Dec Nil
9-Dec P Z' 052542
9-Dec iP E'N'Z' 074022 Compr to SE
10-Dec Nil
11-Dec Nil
12-Dec Nil
13-Dec Nil
14-Dec Nil
15-Dec iP E'N'Z' 094624 33.2 Compr to N
iS E' 095140
16-Dec PKPdf Z' 082926 Compr
17-Dec Nil
18-Dec Nil
19-Dec iP E'N'Z' 094020 58.2 Compr to SW
S E'N'Z' 094820
20-Dec iP Z' 080752 85.0 Dilat
iS E'N'Z' 081816
21-Dec Nil
22-Dec P E'N'Z' 071756 34.5 Dilat to N
S E'N' 072322
22-Dec iP E'N'Z' 123150 Compr to NE
23-Dec Nil
24-Dec Nil
iP 141034
25-Dec E'N'Z' 28.7 Compr
S E'N'Z' 141516
26-Dec iP Z' 221532 65.1 Compr
S E'N' 222414
27-Dec Nil
28-Dec Nil
29-Dec Nil
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