stamag

The stamag table contains station magnitude estimates based upon measurements made on specific seismic phases. Values in the stamag table are used to calculate net­work magnitudes stored in the netmag table.

FIELD

COLUMN

STORAGE

EXTERNAL

CHARACTER

DESCRIPTION

NUMBER

TYPE

FORMAT

POSITION

1

magid

number(9)

i9

1-9

magnitude identifier

2

ampid

number(9)

i9

11-19

amplitude identifier

3

sta

varchar2(6)

a6

21-26

station code

4

arid

number(9)

i9

28-36

arrival identifier

5

orid

number(9)

i9

38-46

origin identifier

6

evid

number(9)

i9

48-56

event identifier

7

phase

varchar2(8)

a8

58-65

associated phase

8

delta

f1oat(24)

f8.3

67-74

station-to-event distance

9

magtype

varchar2(6)

a6

76-81

magnitude type (ml, ms, mb, etc)  

10

magnitude

f1oat(24)

f7.2

83-89

magnitude

11

uncertainty

f1oat(24)

f7.2

91-97

magnitude uncertainty

12

magres

f1oat(24)

f7.2

99-105

magnitude residual

13

magdef

varchar2(1)

a1

107-107

d or n flag indicating if  magnitude is defining or nondefining

14

mmodel

varchar2(15)

a15

109-123

magnitude model

15

auth

varchar2( 15)

a15

125-139

author

16

commid

number(9)

i9

141-149

comment identifier

17

Iddate

date

a19

53-71

load date



Keys:

Primary

magidlsta, arid


Foreign

arid, orid, evid, commid




Data:

Descriptive

delta, sta, phase, magtype, magdef, mmodel


Mesurement

magnitude, uncertainty, magres


Administrative

auth, lddate