mecid

Base Entity | mec
Attribute Name | mecid
Logical Rolename | mecid
ColumnName | mecid
RoleName | mecid
Definition | Mechanism identification. Each mechanism is assigned a unique positive integer which identifies it in the database
Note | Range: mecid > 0

oridin

Base Entity | mec
Attribute Name | orid
Logical Rolename | oridin
ColumnName | oridin
RoleName | oridin
Definition | Input origin. This attribute holds the origin identifier, orid, that points to the origin from which the mechanism was computed
Note | Range: oridin > 0

oridout

Base Entity | mec
Attribute Name | orid
Logical Rolename | oridout
ColumnName | oridout
RoleName | oridout
Definition | Output origin. This attribute holds the origin identifier, orid, that points to the origin computed from the mechanism
Note | Range: oridout > 0

magid

Base Entity | mec
Attribute Name | magid
Logical Rolename | magid
ColumnName | magid
RoleName | magid
Definition | Magnitude identifier. This key is used to identify a magnitude in the Netmag relation. It is required for every magnitude
Note | Range: magid > 0

commid

Base Entity | mec
Attribute Name | commid
Logical Rolename | commid
ColumnName | commid
RoleName | commid
Definition | Comment identification. This is a key used to point to free-form comments entered in the Remark relation. These comments store additional information about a tuple in another relation. Within the Remark relation, there may be many tuples with the same commid and different lineno, but the same commid will appear in only one other tuple among the rest of the relations in the database
Note | Range: commid > 0

mechtype

Base Entity | mec
Attribute Name | mechtype
Logical Rolename | mechtype
ColumnName | mechtype
RoleName | mechtype
Definition | Mechanism/moment type
Note | Range: mechtype = {C | F | H | N | S} C = complete-waveform inversion F = first motion mechanism H = half duration of S-wave N = near-field inversion S = surface-wave inversion

mecalgo

Base Entity | mec
Attribute Name | mecalgo
Logical Rolename | mecalgo
ColumnName | mecalgo
RoleName | mecalgo
Definition | This attribute represents the algorithm used to compute the mechanism
Note | Range: Any free-format string up to 15 characters

scalar

Base Entity | mec
Attribute Name | scalar
Logical Rolename | scalar
ColumnName | scalar
RoleName | scalar
Definition | Seismic scalar moment
Note | Range: -10^32 < scalar < 10^32 Units: Dyne centimeters

erscalar

Base Entity | mec
Attribute Name | erscalar
Logical Rolename | erscalar
ColumnName | erscalar
RoleName | erscalar
Definition | Error in scalar moment. This is the standard deviation of the scalar moment
Note | Range: erscalar >= 0.0 Units: Dyne centimeters

tft

Base Entity | mec
Attribute Name | tft
Logical Rolename | tft
ColumnName | tft
RoleName | tft
Definition | Type of source time function
Note | Range: Any free-format string up to 8 characters

tfd

Base Entity | mec
Attribute Name | tfd
Logical Rolename | tfd
ColumnName | tfd
RoleName | tfd
Definition | Duration of the source time function
Note | Range: tfd > 0.0 Units: Seconds

mxx

Base Entity | mec
Attribute Name | mxx
Logical Rolename | mxx
ColumnName | mxx
RoleName | mxx
Definition | Moment tensor elements
Note | Range: -10^32 < mxx < 10^32 Units: Dyne centimeters

myy

Base Entity | mec
Attribute Name | myy
Logical Rolename | myy
ColumnName | myy
RoleName | myy
Definition | Moment tensor elements
Note | Range: -10^32 < myy < 10^32 Units: Dyne centimeters

mzz

Base Entity | mec
Attribute Name | mzz
Logical Rolename | mzz
ColumnName | mzz
RoleName | mzz
Definition | Moment tensor elements
Note | Range: -10^32 < mzz < 10^32 Units: Dyne centimeters

mxy

Base Entity | mec
Attribute Name | mxy
Logical Rolename | mxy
ColumnName | mxy
RoleName | mxy
Definition | Moment tensor elements
Note | Range: -10^32 < mxy < 10^32 Units: Dyne centimeters

mxz

Base Entity | mec
Attribute Name | mxz
Logical Rolename | mxz
ColumnName | mxz
RoleName | mxz
Definition | Moment tensor elements
Note | Range: -10^32 < mxz < 10^32 Units: Dyne centimeters

myz

Base Entity | mec
Attribute Name | myz
Logical Rolename | myz
ColumnName | myz
RoleName | myz
Definition | Moment tensor elements
Note | Range: -10^32 < myz < 10^32 Units: Dyne centimeters

smxx

Base Entity | mec
Attribute Name | smxx
Logical Rolename | smxx
ColumnName | smxx
RoleName | smxx
Definition | Uncertainties in moment tensor elements
Note | Range: -10^32 < smxx < 10^32 Units: Dyne centimeters

smyy

Base Entity | mec
Attribute Name | smyy
Logical Rolename | smyy
ColumnName | smyy
RoleName | smyy
Definition | Uncertainties in moment tensor elements
Note | Range: -10^32 < smyy < 10^32 Units: Dyne centimeters

smzz

Base Entity | mec
Attribute Name | smzz
Logical Rolename | smzz
ColumnName | smzz
RoleName | smzz
Definition | Uncertainties in moment tensor elements
Note | Range: -10^32 < smzz < 10^32 Units: Dyne centimeters

smxy

Base Entity | mec
Attribute Name | smxy
Logical Rolename | smxy
ColumnName | smxy
RoleName | smxy
Definition | Uncertainties in moment tensor elements
Note | Range: -10^32 < smxy < 10^32 Units: Dyne centimeters

smxz

Base Entity | mec
Attribute Name | smxz
Logical Rolename | smxz
ColumnName | smxz
RoleName | smxz
Definition | Uncertainties in moment tensor elements
Note | Range: -10^32 < smxz < 10^32 Units: Dyne centimeters

smyz

Base Entity | mec
Attribute Name | smyz
Logical Rolename | smyz
ColumnName | smyz
RoleName | smyz
Definition | Uncertainties in moment tensor elements
Note | Range: -10^32 < smyz < 10^32 Units: Dyne centimeters

srcduration

Base Entity | mec
Attribute Name | srcduration
Logical Rolename | srcduration
ColumnName | srcduration
RoleName | srcduration
Definition | Source half-duration
Note | Range: 0.0 < srcduration < 100.0 Units: Seconds

auth

Base Entity | mec
Attribute Name | auth
Logical Rolename | auth
ColumnName | auth
RoleName | auth
Definition | The auth field specifies the source of the information. This may be a network identifier (FDSN or otherwise), or any other string indicating the source of the information in the record
Note | Range: Any free-format string up to 15 characters

subsource

Base Entity | mec
Attribute Name | subsource
Logical Rolename | subsource
ColumnName | subsource
RoleName | subsource
Definition | A second identifier to specify a unique source within the domain specified by auth
Note | Range: Any free-format string up to 8 characters

strike1

Base Entity | mec
Attribute Name | strike1
Logical Rolename | strike1
ColumnName | strike1
RoleName | strike1
Definition | Strike of fault plane 1 from the best double couple
Note | Range: 0 <= strike1 <= 360 Units: Degrees

dip1

Base Entity | mec
Attribute Name | dip1
Logical Rolename | dip1
ColumnName | dip1
RoleName | dip1
Definition | Dip of fault plane 1 from the best double couple
Note | Range: -90 <= dip1 <= 90 Units: Degrees

rake1

Base Entity | mec
Attribute Name | rake1
Logical Rolename | rake1
ColumnName | rake1
RoleName | rake1
Definition | Rake of fault plane 1 from the best double couple solution
Note | Range: -180 <= rake1 <= 180 Units: Degrees

strike2

Base Entity | mec
Attribute Name | strike2
Logical Rolename | strike2
ColumnName | strike2
RoleName | strike2
Definition | Strike of fault plane 2 from the best double couple
Note | Range: 0 <= strike2 <= 360 Units: Degrees

dip2

Base Entity | mec
Attribute Name | dip2
Logical Rolename | dip2
ColumnName | dip2
RoleName | dip2
Definition | Dip of fault plane 2 from the best double couple
Note | Range: -90 <= dip2 <= 90 Units: Degrees

rake2

Base Entity | mec
Attribute Name | rake2
Logical Rolename | rake2
ColumnName | rake2
RoleName | rake2
Definition | Rake of fault plane 2 from the best double couple solution
Note | Range: -180 <= rake2 <= 180 Units: Degrees

unstrike1

Base Entity | mec
Attribute Name | unstrike1
Logical Rolename | unstrike1
ColumnName | unstrike1
RoleName | unstrike1
Definition | Uncertainty in strike 1
Note | Range: -180.0 <= unstrike1 <= 180.0 Units: Degrees

undip1

Base Entity | mec
Attribute Name | undip1
Logical Rolename | undip1
ColumnName | undip1
RoleName | undip1
Definition | Uncertainty in dip 1
Note | Range: -180.0 <= undip1 <= 180.0 Units: Degrees

unrake1

Base Entity | mec
Attribute Name | unrake1
Logical Rolename | unrake1
ColumnName | unrake1
RoleName | unrake1
Definition | Uncertainty in rake 1
Note | Range: -180.0 <= unrake1 <= 180.0 Units: Degrees

unstrike2

Base Entity | mec
Attribute Name | unstrike2
Logical Rolename | unstrike2
ColumnName | unstrike2
RoleName | unstrike2
Definition | Uncertainty in strike 2
Note | Range: -180.0 <= unstrike2 <= 180.0 Units: Degrees

undip2

Base Entity | mec
Attribute Name | undip2
Logical Rolename | undip2
ColumnName | undip2
RoleName | undip2
Definition | Uncertainty in dip 2
Note | Range: -180.0 <= undip2 <= 180.0 Units: Degrees

unrake2

Base Entity | mec
Attribute Name | unrake2
Logical Rolename | unrake2
ColumnName | unrake2
RoleName | unrake2
Definition | Uncertainty in rake 2
Note | Range: -180.0 <= unrake2 <= 180.0 Units: Degrees

eigenp

Base Entity | mec
Attribute Name | eigenp
Logical Rolename | eigenp
ColumnName | eigenp
RoleName | eigenp
Definition | Eigen value of compressional axis in the principal axes representation of the best double couple
Note |

plungep

Base Entity | mec
Attribute Name | plungep
Logical Rolename | plungep
ColumnName | plungep
RoleName | plungep
Definition | Plunge of the compressional axis in the principal axes representation of the best double couple
Note | Range: 0 <= plungep <= 90 Units: Degrees

strikep

Base Entity | mec
Attribute Name | strikep
Logical Rolename | strikep
ColumnName | strikep
RoleName | strikep
Definition | Strike of compressional axis in the principal axes representation of the best double couple
Note | Range: 0 <= strikep <= 360 Units: Degrees

eigenn

Base Entity | mec
Attribute Name | eigenn
Logical Rolename | eigenn
ColumnName | eigenn
RoleName | eigenn
Definition | Eigen value of null axis in the principal axes representation of the best double couple
Note |

plungen

Base Entity | mec
Attribute Name | plungen
Logical Rolename | plungen
ColumnName | plungen
RoleName | plungen
Definition | Plunge of the null axis in the principal axes representation of the best double couple
Note | Range: 0 <= plungen <= 90 Units: Degrees

striken

Base Entity | mec
Attribute Name | striken
Logical Rolename | striken
ColumnName | striken
RoleName | striken
Definition | Strike of null axis in the principal axes representation of the best double couple
Note | Range: 0 <= striken <= 360 Units: Degrees

eigent

Base Entity | mec
Attribute Name | eigent
Logical Rolename | eigent
ColumnName | eigent
RoleName | eigent
Definition | Eigen value of tension axis in the principal axes representation of the best double couple
Note |

plunget

Base Entity | mec
Attribute Name | plunget
Logical Rolename | plunget
ColumnName | plunget
RoleName | plunget
Definition | Plunge of the tension axis in the principal axes representation of the best double couple
Note | Range: 0 <= plunget <= 90 Units: Degrees

striket

Base Entity | mec
Attribute Name | striket
Logical Rolename | striket
ColumnName | striket
RoleName | striket
Definition | Strike of tension axis in the principal axes representation of the best double couple
Note | Range: 0 <= striket <= 360 Units: Degrees

nsta

Base Entity | mec
Attribute Name | nsta
Logical Rolename | nsta
ColumnName | nsta
RoleName | nsta
Definition | This quantity is the number of observations with non-zero input weights used to compute the magnitude or mechanism
Note | Range: nsta > 0

pvr

Base Entity | mec
Attribute Name | pvr
Logical Rolename | pvr
ColumnName | pvr
RoleName | pvr
Definition | Percent variance reduction
Note | Range: 0.0 <= pvr <= 100.0

quality

Base Entity | mec
Attribute Name | quality
Logical Rolename | quality
ColumnName | quality
RoleName | quality
Definition | This attribute denotes the quality of an origin, an arrival, or a mechanism. 1.0 = good, 0.0 = bad
Note | Range: 0.0 <= quality <= 1.0

pdc

Base Entity | mec
Attribute Name | pdc
Logical Rolename | pdc
ColumnName | pdc
RoleName | pdc
Definition | Percent double couple of the seismic moment tensor
Note | Range: 0 <= pdc <= 100

pclvd

Base Entity | mec
Attribute Name | pclvd
Logical Rolename | pclvd
ColumnName | pclvd
RoleName | pclvd
Definition | Percent compensated linear vector dipole of the seismic moment tensor
Note | Range: 0 <= pclvd <= 100

piso

Base Entity | mec
Attribute Name | piso
Logical Rolename | piso
ColumnName | piso
RoleName | piso
Definition | Percent isotropic of the seismic moment tensor
Note | Range: 0 <= piso <= 100

datetime

Base Entity | mec
Attribute Name | datetime
Logical Rolename | datetime
ColumnName | datetime
RoleName | datetime
Definition | The date of associated with information in the record, in true epoch format
Note | Range: Any valid float. datetime = 0.0 on January 01, 1970 at 00:00:00.0000 Units: Seconds

rflag

Base Entity | mec
Attribute Name | rflag
Logical Rolename | rflag
ColumnName | rflag
RoleName | rflag
Definition | This flag describes whether an observation was generated automatically, by a human, or has been finalized
Note | Range: rflag = {A | H | F} A = automatic H = reviewed by human F = finalized

lddate

Base Entity | mec
Attribute Name | lddate
Logical Rolename | lddate
ColumnName | lddate
RoleName | lddate
Definition | Load date. Date and time that the record was created or last modified, in Oracle date datatype
Note | Range: Any valid date between January 01, 4712 BC and January 01, 4712 AD Units: YYYY/MM/DD HH24:MI:SS