Catalog parameters
Event – seismic event, earthquake
ID – unique identifier of the seismic event (Event ID)
Time – origin time, time of the earthquake occurence
Lat – latitude of earthquake epicenter
Long – longtitude of the earthquake epicenter
Depth – depth of the earthquake
Elevation – elevation of the earthquake
X – cartesian coordinate of the earthquake
Y - cartesian coordinate of the earthquake
Z - cartesian coordinate of the earthquake
EPI_err – error of the epicenter location
Depth_err – error of depth location
Nl – number of stations used in location
M0 – seismic moment
Mw – moment magnitude
ML – local magnitude
Ns_decomp – number of station used in moment tensor inversion
DecompMethod – method used to decompose moment tensor
MTrr – Full solution: Moment tensor rr component (r – up) (convention used by USGS USE (up, south, east originally rr, tt, pp)), if needed may be changed into Aki & Richards, 2002 NED (north, east, down))
MTss – Full solution: Moment tensor ss component (s – South)
Mtee – Full solution: Moment tensor ee component (e – East)
MTrs – Full solution: Moment tensor rs component
Mtre – Full solution: Moment tensor re component
Mtse – Full solution: Moment tensor se component
MT_err – Full solution: Moment tensor error
RMSerror – root mean square error of the MT inversion (eg. Amplitude fitting rms – currently not used in TCS AH catalogs))
ISO – isotropic MT component
CLVD – CLVD component
DC – Double-Couple component
StrikeA – Strike of nodal plane A
DipA – Dip of nodal plane A
RakeA – Rake of nodal plane A
SlopeA – Inclination of nodal plane A
StrikeB – Strike of nodal plane B
DipB – Dip of nodal plane B
RakeB – Rake of nodal plane B
SlopeB – Inclination of nodal plane B
Strike_err – Strike error
Dip_err – Dip error
Rake_err – Rake error
Slope_err – Inclination error
Plunge_T – Plunge of T-axis
PlungeT_err – T-axis plunge error
Trend_T – Trend of T-axis
TrendT_err – T-axis trend error
Plunge_P – Plunge of P-axis
PlungeP_err – P-axis plunge error
Trend_P – Trend of P-axis
TrendP_err – P-axis trend error
DCrr – Double-Couple solution: Moment tensor rr component (r - up)
DCss – Double-Couple solution: Moment tensor ss component (s - South)
DCee – Double-Couple solution: Moment tensor ee component (e - East)
DCrs – Double-Couple solution: Moment tensor rs component
DCre – Double-Couple solution: Moment tensor re component
DCse – Double-Couple solution: Moment tensor se component
DC_err – Double-Couple solution: Moment tensor error
DCStrikeA – Double-Couple solution: Strike of nodal plane A
DCDipA – Double-Couple solution: Dip of nodal plane A
DCRakeA – Double-Couple solution: Rake of nodal plane A
DCStrikeB – Double-Couple solution: Strike of nodal plane B
DCDipB – Double-Couple solution: Dip of nodal plane B
DCRakeB – Double-Couple solution: Rake of nodal plane B
DCStrike_err – Double-Couple solution: Strike error
DCDip_err – Double-Couple solution: Dip error
DCRake_err – Double-Couple solution: Rake error
DCPlunge_T – Double-Couple solution: Plunge of T-axis
DCPlungeT_err – Double-Couple solution: T-axis plunge error
DCTrend_T – Double-Couple solution: Trend of T-axis
DCTrendT_err – Double-Couple solution: T-axis trend error
DCPlunge_P – Double-Couple solution: Plunge of P-axis
DCPlungeP_err – Double-Couple solution: P-axis plunge error
DCTrend_P – Double-Couple solution: Trend of P-axis
DCTrendP_err – Double-Couple solution: P-axis trend error
TNrr – TN solution: Moment tensor rr component (r - up)
TNss – TN solution: Moment tensor ss component (s - South)
TNee – TN solution: Moment tensor ee component (e - East)
TNrs – TN solution: Moment tensor rs component
TNre – TN solution: Moment tensor re component
TNse – TN solution: Moment tensor se component
TN_err – TN solution: Moment tensor error
TNStrikeA – TN solution: Strike of nodal plane A
TNDipA – TN solution: Dip of nodal plane A
TNRakeA – TN solution: Rake of nodal plane A
TNStrikeB – TN solution: Strike of nodal plane B
TNDipB – TN solution: Dip of nodal plane B
TNRakeB – TN solution: Rake of nodal plane B
TNStrike_err – TN solution: Strike error
TNDip_err – TN solution: Dip error
TNRake_err – TN solution: Rake error
TNPlunge_T – TN solution: Plunge of T-axis
TNPlungeT_err – TN solution: T-axis plunge error
TNTrend_T – TN solution: Trend of T-axis
TNTrendT_err – TN solution: T-axis trend error
TNPlunge_P – TN solution: Plunge of P-axis
TNPlungeP_err – TN solution: P-axis plunge error
TNTrend_P – TN solution: Trend of P-axis
TNTrendP_err – TN solution: P-axis trend error
NsP – No of stations used in the P-wave spectral analysis
E – total seismic energy
E_err – total seismic energy error
Ep – P-wave energy
Ep_err – P-wave energy error
fp – P-wave corner frequency
fp_err – P-wave corner frequency error
rad_eff_P – Radiation efficiency P-waves
Qp – Quality factor Pwaves
NsS – No of stations used in the S-wave spectral analysis
Es – S-wave energy
Es_err – S-wave energy error
fs – S-wave corner frequency
fs_err – S-wave corner frequency error
Qs – Quality factor Swaves
rad_eff_S – Radiation efficiency S-waves
R – source radius
R_err – source radius error
R_model – Source radius model used (Brune, Madariaga, Sato&Hirasawa)
rad_eff – Radiation efficiency
sigma_a – Apparent stress
delta_sigma – Static stress drop
sigma_d – Dynamic stress drop
sigma_rms – RMS dynamic stress drop
vr – Rupture velocity
vr_model – Rupture velocity model (unilateral etc.)
SW_eff – Savage-Wood efficiency
u – Fault slip
Catalog related terms
P-axis – Pressure axis
T-axis – Tension axis
TN – Null-trace solution