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A length of each record is 80 bytes.
Bulletin Example
Epicenter line
| Bytes |
Contents |
Format |
Description |
| 1-2 |
This record type |
i2 |
must be = 1 |
| 3-4 |
Next record type |
i2 |
2, 8 or 1 |
| 5-12 |
Event date |
i4,2i2 |
YYYYMMDD, YYYY - year,
MM - month, DD - day |
| 13-19 |
Origin time |
2i2,f3.1 |
hhmmss.s, hh - hours,
mm - minutes, ss.s - seconds |
| 20-22 |
Standart deviation |
f3.2 |
Rms of defining phase
residuals |
| 23-27 |
Latitude |
f5.3 |
in degrees |
| 28 |
Latitude symbol |
a1 |
N or S |
| 29-34 |
Longitude |
f6.3 |
in degrees |
| 35 |
Longitude symbol |
a1 |
E or W |
| 36-38 |
Small semi-axis of 95% confidence
ellipse of epicenter detection errors |
f3.1 |
in kilometers |
| 39-41 |
Large semi-axis of 95% confidence
ellipse of epicenter detection errors |
f3.1 |
in kilometers |
| 42-45 |
Small semi-axis azimuth |
f4.1 |
in degrees |
| 46-48 |
Focal depth |
i3 |
in kilometers |
| 49-57 |
Reserved |
a9 |
blanks |
| 58-60 |
Number of P/PKP epicenter
defining observations |
i3 |
|
| 61-63 |
Total number of P/PKP
observations |
i3 |
|
| 64-66 |
Number of P/PKP focal
depth defining observations |
i3 |
|
| 67-70 |
Seismic region number |
i4 |
|
| 71-73 |
Geographical region number |
i3 |
|
| 74-77 |
Event number since the
beginning of the year |
i4 |
|
| 78 |
Station data printing flag |
i1 |
0 or 1: 0 = yes, 1 = no |
| 79-80 |
Number of magnitude types
defined for this event |
i2 |
0, 1, 2 or 3 |
Magnitude line
| Bytes |
Contents |
Format |
Description |
| 1-2 |
This record type |
i2 |
must be = 2 |
| 3-4 |
Next record type |
i2 |
8 or 1 |
| 5-12 |
Event date |
i4,2i2 |
YYYYMMDD, YYYY - year,
MM - month, DD - day |
| 13-14 |
Number of magnitude types |
i2 |
1, 2 or 3 |
| 15-16 |
Magnitude value |
f2.1 | |
| 17-20 |
Magnitude type |
a4 |
"MPSP", "MPLP" or "MS" |
| 21-22 |
Reserved |
a2 |
blanks |
| 23-26 |
Channel |
a4 |
"SP","SPZ","SPN","SPE",
"MP","MPZ","MPN","MPE",
"LP","LPZ","LPN","LPE" |
| 27-29 |
Number of observations
for this magnitude type |
i3 | |
| 30-44 |
The same as 15-29 bytes
for second magnitude type | |
if number of magnitude
types > 1 |
| 45-59 |
The same as 15-29 bytes
for third magnitude type | |
if number of magnitude
types = 3 |
| 60-80 |
Reserved |
a21 |
blanks |
Comments
| Bytes |
Contents |
Format |
Description |
| 1-2 |
This record type |
i2 |
must be = 8 |
| 3-4 |
Next record type |
i2 |
8 or 1 |
| 5-12 |
Event date |
i4,2i2 |
YYYYMMDD, YYYY - year,
MM - month, DD - day |
| 13-70 |
Comment text |
a58 |
|
| 71-80 |
Reserved |
a10 |
blanks |
Primary phase line
| Bytes |
Contents |
Format |
Description |
| 1-2 |
This record type |
i2 |
must be = 10 |
| 3-4 |
Next record type |
i2 |
11, 10 or 1 |
| 5-12 |
Event date |
i4,2i2 |
YYYYMMDD, YYYY - year,
MM - month, DD - day |
| 13-18 |
Station code |
a6 |
|
| 19-33 |
Station name |
a15 |
|
| 34-38 |
Epicentral distance |
f5.2 |
in degrees |
| 39-41 |
Epicenter-station azimuth |
i3 |
in degrees |
| 42-47 |
Computed P-phase
identification |
a6 |
|
| 48-50 |
First motion SP indicators |
3a1 |
{C|D| }{N|S| }{E|W| } |
| 51-53 |
First motion LP indicators |
3a1 |
{C|D| }{N|S| }{E|W| } |
| 54 |
Primary phase clarity |
a1 |
{I|E|Q| } where
I indicating an accuracy
to within +/- 0.2 seconds
E - within +/-1.0 seconds
Q - less accurate than
+/- 1 second |
| 55-59 |
Reserved |
a5 |
blanks |
| 60-66 |
First arrival time |
2i2,f3.1 |
hhmmss.s, hh - hours,
mm - minutes, ss.s - seconds |
| 67-70 |
tobs - tJB residual |
f4.1 |
|
| 71-73 |
Channel |
a3 |
"SP","SPZ","SPN","SPE",
"MP","MPZ","MPN","MPE",
"LP","LPZ","LPN","LPE" |
| 74 |
Defining P/PKP observation
flag |
a1 |
" " = yes, "*" = no |
| 75-80 |
Reserved |
a6 |
blanks |
Secondary phase & maximum
| Bytes |
Contents |
Format |
Description |
| 1-2 |
This record type |
i2 |
must be = 11 |
| 3-4 |
Next record type |
i2 |
11, 10 or 1 |
| 5-12 |
Event date |
i4,2i2 |
YYYYMMDD, YYYY - year,
MM - month, DD - day |
| 13-14 |
Internal secondary phase
code |
i2 |
look at "Phase list" below |
| 15-19 |
Secondary phase arrival
time |
i2,f3.1 |
mmss.s, mm - minutes,
ss.s - seconds |
| 20 |
Secondary phase clarity |
a1 |
{I|E| } where
I - impulse arrival
E - emergent arrival |
| 21-23 |
Channel |
a3 |
"SP","SPZ","SPN","SPE",
"MP","MPZ","MPN","MPE",
"LP","LPZ","LPN","LPE" |
| 24-29 |
Station operator's phase
identification |
a6 |
|
| 30-33 |
Computed identification
secondary phase error |
f4.1 |
999.9 means "didn't computed" |
| 34-37 |
Station operator's
identification secondary
phase error |
f4.1 |
999.9 means "didn't computed" |
| 38-39 |
Internal phase maximum code |
i2 |
97 ="LM", 98 ="PM", 99 ="SM" |
| 40-44 |
Time of maximum amplitude |
i2,f3.1 |
mmss.s, mm - minutes,
ss.s - seconds |
| 45-47 |
Channel |
a3 |
"SP","SPZ","SPN","SPE",
"MP","MPZ","MPN","MPE",
"LP","LPZ","LPN","LPE" |
| 48-50 |
Maximum amplitude period |
f3.1 |
in seconds |
| 51-57 |
Maximum amplitude on N-S |
f7.3 |
in micrometers |
| 58-64 |
Maximum amplitude on E-W |
f7.3 |
in micrometers |
| 65-71 |
Maximum amplitude on Z |
f7.3 |
in micrometers |
| 72-73 |
Station magnitude value on
horizontal components |
f2.1 |
|
| 74-75 |
Station magnitude value on
vertical component |
f2.1 |
|
| 76-80 |
Reserved |
a5 |
blanks |
Phase list
Internal phase code Phase name | Internal phase code Phase name
------------------- ---------- | ------------------- ----------
2 P | 26 Sg C
3 pP | 27 Pn B
4 sP | 28 Pg B
5 S | 29 Sn B
6 sS | 30 Sg B
7 PKiKP | 31 PP
8 pPKiKP | 32 PPP
9 sPKiKP | 33 PS
10 PKP2 | 34 SP
11 PKHKP | 35 SS
13 Pn A | 36 SSS
14 P* A | 37 PPS
15 Pg A | 38 PSP
16 Sn A | 39 SPP
17 S* A | 40 SSP
18 Sg A | 41 PSS
19 Pn F | 42 SPS
20 Sn F | 43 PcP
21 Pn C | 44 ScS
22 P* C | 45 SKS 1
23 Pg C | 46 SKS 2
24 Sn C | 47 SKKS
25 S* C | 48 SKKKS
------------------------------------------------------------------
For local phases: A - Middle Asia, F - Far East, C - Caucasus,
B - Baikal
Bulletin Example:
1 22007 1 6 034144 9852737N159164E 98272-113114 0 0 0 0 18 19 18 19219 710 1
2 82007 1 6 140MPSP SP 6
8102007 1 6Felt (II-III) at Petropavlovsk-Kamchatskyi.
10112007 1 6PET Petropavlovsk 42313PN DSE I 034323 2SPZ
11112007 1 6 9834330LPZ 10 0 0 200 0 0
11112007 1 6 9834331SPZ 2 0 0 2640 0 0
11112007 1 6 9834331MPZ 2 0 0 2500 0 0
11112007 1 62034453ISPES -2 -12
11112007 1 6 9934455MPN 4 2500 0 0 0 0
11112007 1 6 9934456MPE 5 0 9300 0 0 0
11112007 1 6 9934457SPN 4 3769 0 0 0 0
11102007 1 6 9934458SPE 4 0 12752 0 0 0
10112007 1 6NLC Nalycheva 45 14PN 034322 0SPZ
11102007 1 62034440 SPZS -17 -28
10112007 1 6RUS Russkaya 50233PN 034327 1SPZ
11102007 1 62034449 SPZS -14 -25
10112007 1 6SPN Mys Shipunskiy 63 54PN 034321 -14SPZ
11102007 1 62034439 SPZS -41 -49
10112007 1 6KII Karymskiy 131 7PN 034410 4SPZ
11102007 1 62034593 SPZS -2 0
10112007 1 6MKZ Mys Kozlova 238 39PN 034525 -20SPZ
11102007 1 62035192 SPZS -29 -31
10112007 1 6SKR Severo-Kuril'sk 283224PN E 035 12 9SPZ
11112007 1 6 9835 35SPZ 5 0 0 80 0 0
11112007 1 62035279ESPNS -42 -519935315SP 2 280 280 0 0 0
11102007 1 6 9935315SPZ 5 0 0 80 0 0
10102007 1 6KOZR Kozyr 336 7PN 035 78 5SPZ
10112007 1 6KLY Klyuchi 372 15PN 035128 7SPZ
11102007 1 62035550 SPZS 23 5
10112007 1 6KBTR Krutoberegovo-1 408 30PN 035159 -10SPZ
11102007 1 62035595 SPZS -18 -37
10112007 1 6SONM Songano Array B 3343283P 040442 2SPZ
11112007 1 6 98-1 0SPZ 4 0 0 1 039
11102007 1 64343234 SPZ 39999
10102007 1 6YKA Yellowknife arr 4381 42P 042106 7SPZ
10102007 1 6MKAR Makanchi 4796296P 042412 -17SPZ
10112007 1 6ARCES Arcess Array 5345342P 043235 -6SPZ
11102007 1 6 98-1 0SPZ 10 0 0 4 045
10112007 1 6FINES Finess Array 6022336P 044120 51SPZ*
11102007 1 6 98-1 0SPZ 4 0 0 1 043
10112007 1 6NOA NORSAR Array 6399343P 044353 -18SPZ
11102007 1 6 98-1 0SPZ 6 0 0 1 039
10112007 1 6AKASG Malin array 6863328P 045 62 -3SPZ
11102007 1 6 98-1 0SPZ 5 0 0 2 042
10102007 1 6TXAR Lajitas Array 7130 66P 045241 10SPZ
10112007 1 6BRTR Turkey array 7653320P 045539 7SPZ
11 12007 1 6 98-1 0SPZ 6 0 0 1 036
1 22007 1 6 1 853722546462N154962E186262 509 71 0 0 0 0 11 11 11 19222 720 1
2102007 1 6 142MPSP SP 5
10112007 1 6KUR Kuril'sk 511259PN D I 110135 31SPZ
11112007 1 6 9810140SPZ 5 0 0 80 0 0
11112007 1 62011 98ESPES 9 20
11102007 1 6 9911124SP 6 80 80 0 0 0
10112007 1 6JKA Kamikawa-asahi 903259PN 111 26 -24SPZ
11102007 1 6 98-1 0SPZ 3 0 0 1 0 0
10102007 1 6ERM Erimo 957247PN I 111 67 -57SPZ
10102007 1 6MKAR Makanchi 4839299P 117293 -7SPZ
10102007 1 6YKA Yellowknife arr 5039 37P 117436 -15SPZ
10112007 1 6ARCES Arcess Array 5854341P 118440 -3SPZ
11102007 1 6 98-1 0SPZ 8 0 0 2 044
10112007 1 6FINES Finess Array 6484336P I 119268 2BPZ
11102007 1 6 9819275SPZ 7 0 0 1 043
10102007 1 6WRA Warramunga arra 6868201P 119518 2SPZ
10112007 1 6ASAR Alice Springs A 7236200P 120149 12SPZ
11102007 1 6 98-1 0SPZ 8 0 0 1 039
10112007 1 6AKASG Malin array 7249327P I 120153 14SPZ
11102007 1 6 9820156SPZ 3 0 0 0 039
10112007 1 6TXAR Lajitas Array 7651 62P 120381 5SPZ
11 12007 1 6 98-1 0SPZ 5 0 0 2 046
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Data distributed under license