EVENT METADATA

esm_event_id: the unique identifier of the event
event_time: UTC date time of the event (format YYYY-MM-DD hh:mm:ss)
isc_event_id: event identifier in the bulletin of the International Seismological Centre (ISC, http://www.isc.ac.uk)
usgs_event_id: event identifier of the United States Geological Service (USGS, https://earthquake.usgs.gov)
ingv_event_id: event identifier in the bulletin of the Istituto Nazionale di Geofisica e Vulcanologia (INGV, http://cnt.rm.ingv.it)
emsc_event_id: event identifier in the bulletin of the Centre Sismologique Euro-Mediterraneen (EMSC-CSEM, http://www.emsc-csem.org)
ev_nation_code: ISO code of the country where the epicenter of the event is located
ev_latitude: latitude (decimal degrees, WGS84) of the epicenter of the event
ev_longitude: longitude (decimal degrees, WGS84) of the epicenter of the event
ev_depth_km: depth of the hypocenter of the event [km]
ev_hyp_ref: reference for ev_latitude, ev_longitude and ev_depth_km
fm_type_code: style of faulting (NF = normal fault, TF = reverse fault, SS = strike-slip fault, O = oblique fault, U = undefined)
fm_ref: reference for fm_type_code
ml: local magnitude
ml_ref: reference for ml
mw: moment magnitude
mw_ref: reference for mw
ms: surface-wave magnitude
ms_ref: reference for ms
mb: body-wave magnitude
mb_ref: reference for mb
md: duration magnitude
md_ref: reference for md
m: generic magnitude
m_ref: reference for m
emec_mw: moment magnitude from EMEC catalog
emec_mw_type: magnitude type of EMEC_Mw estimate
emec_mw_ref: reference for EMEC_Mw estimate

SOURCE METADATA

event_source_name: unique identifier for the source
source_segment_id: unique identifier for the source segment associated with the 'event_source_name'
es_strike: fault strike (degrees from North)
es_dip: fault dip [deg]
es_rake: fault rake [deg]
es_strike_dip_rake_ref: reference for es_strike, es_dip and es_rake
es_length: fault length [km]
es_width: fault width [km]
es_geometry_ref: reference for es_length and es_width
z_top: depth of the fault top [km]
es_z_top_ref: reference for es_z_top

STATION METADATA

network_code: the code associated to the recording network according to the International Federation of Seismograph Network (http://www.fdsn.org)
station_code: 3 to 5 characters associated to the station
location_code: 2 characters that identifies the sensor location (see http://www.fdsn.org/seed_manual/SEEDManual_V2.4.pdf, pag 37)
channel_code: 2 characters, the first letter specifies the general sampling rate and the response band of the instrument the second letter specifies the family to which the sensor belongs (http://www.fdsn.org/seed_manual/SEEDManual_V2.4.pdf)
sensor_depth_m: sensor depth [m]
proximity: to indicate the proximity to structures (Free-field/Close to structure/No information/Inside structure/Structure related free-field)
housing: sensor housing type
installation: instrument installation
st_nation_code: ISO code of the country where the station is located
st_latitude: latitude (decimal degrees, WGS84) of the station
st_longitude: longitude (decimal degrees, WGS84) of the station
st_elevation: elevation of the station above sea level [m.a.s.l.]
reference_site: classification of the station as reference sites according to Lanzano et al. (2022)
preferred_estimation_method_Vs30_EC8_ preferred method to estimate EC8 code category and/or VS,30 value (v_profile/geology/topography)
preferred_ec8_code: preferred EC8 site category
preferred_vs30_m_s: preferred VS,30 value [m/s]
vs30_m_s: average shear wave velocity in the first 30 m VS,30 (CEN, 2003) derived from in-situ measurements [m/s]
ec8_code: EC8 site category assigned according to vs30_m_s
vs30_meas_type: the geophysical surveys carried out to estimate the shear-wave velocity profile
vs30_ref_programme: reference of the framework programme for the vs30_m_s
vs30_ref_auth: author of the shear-wave velocity profile [m/s]
ec8_code_from_geology: EC8 site category estimate from surface geology
ec8_ref_programme: reference of the framework programme for the ec8_code_from_geology
ec8_ref_auth: author of the ec8_code_from_geology
vs30_m_s_wa: VS,30 inferred from topography, according to Wald and Allen (2007) correlation (m/s)
ec8_code_from_topography: Ec8 site category assigned according to vs30_m_s_WA 
slope_deg: slope angle [deg]
vs30_wa_ref: reference of vs30_m_s_WA

SOURCE-TO-SITE DISTANCE METRICS

epi_dist: epicentral distance [km]
epi_az: event-to-station azimuth [deg]
hyp_dist: hypocentral distanze [km]
jb_dist: Joyner-Boore distance [km]
rup_dist: distance from the rupture plane [km]
rx_dist: hanging distance [km]
ry0_dist: footwall distance [km]

WAVEFORM METADATA

instrument_type_code: A = analog instrument, D = digital instrument, u = unknown type of instrument
late_triggered_event_01: flag for late triggered waveforms (triggered by S waves arrivals)
web_availability_code: code indicating if the record is public on the database (0 = public, 1 = restricted, 9 = not public)
u_channel_code: channel code of the 1st component according to the SEED convention http://www.fdsn.org/seed_manual/SEEDManual_v2.4.pdf, pag. 134)
u_inclination_deg: inclination of the u component from the vertical orientation [deg]
u_azimuth_deg: azimuth of the u component from the North [deg]
v_channel_code: channel code of the 2nd component according to the SEED convention http://www.fdsn.org/seed_manual/SEEDManual_v2.4.pdf, pag. 134)
v_inclination_deg: inclination of the v component from the vertical orientation [deg]
v_azimuth_deg: azimuth of the v component from the North [deg]
w_channel_code: : channel code of the 3rd component according to the SEED convention http://www.fdsn.org/seed_manual/SEEDManual_v2.4.pdf, pag. 134)
w_inclination_deg: inclination of the w component from the vertical orientation [deg]
w_azimuth_deg: azimuth of the w component from the North [deg]
processing_status: unprocessed/processed/bad quality record
quality_class: automatic quality of the record (BEST/GOOD/BAD/UNDEF)
quality_reason: reason associated to the quality_class
processing_type: preferred processing type for the waveform (manual-Paolucci et al 2011/automatic-Paolucci et al 2011/manual-Schiappapietra et al 2021)
u_hp: high pass filter frequency of the u component [Hz]
v_hp: high pass filter frequency of the v component [Hz]
w_hp: high pass filter frequency of the w component [Hz]
u_lp: low pass filter frequency of the u component [Hz]
v_lp: low pass filter frequency of the v component [Hz]
w_lp: low pass filter frequency of the w component [Hz]

INTENSITY MEASuRES

u_un_pga: unprocessed peak ground acceleration [cm/s2] of the u component
v_un_pga: unprocessed peak ground acceleration [cm/s2] of the v component
w_un_pga: unprocessed peak ground acceleration [cm/s2] of the w component
u_pga: peak ground acceleration [cm/s2] of the u component
v_pga: pga [cm/s2] of the v component
w_pga: pga [cm/s2] of the w component
rotD50_pga: median value of the distribution of the pga [cm/s2] of the rotated waveforms
rotD100_pga: maximum value of the distribution of the pga [cm/s2] of the rotated waveforms
rotD00_pga: minimum value of the distribution of the pga [cm/s2] of the rotated waveforms
u_pgv: peak ground velocity [cm/s] of the u component
v_pgv: pgv [cm/s] of the v component
w_pgv: pgv [cm/s] of the w component
rotD50_pgv: median value of the distribution of the pgv [cm/s] of the rotated waveforms
rotD100_pgv: maximum value of the distribution of the pgv [cm/s] of the rotated waveformsv
rotD00_pgv: minimum value of the distribution of the pgv [cm/s] of the rotated waveforms
u_pgd: peak ground displacement [cm] of the u component
v_pgd: pgd [cm] of the v component
w_pgd: pgd [cm] of the w component
rotD50_pgd: median value of the distribution of the pgd [cm] of the rotated waveforms
rotD100_pgd: maximum value of the distribution of the pgd [cm] of the rotated waveforms
rotD00_pgd: minimum value of the distribution of the pgd [cm] of the rotated waveforms
u_T90: duration [s] of the time interval between the points of 5% and 95% of the total energy of the u component [Hz]
v_T90: T90 [s] of the v component
w_T90: T90 [s] of the w component
rotD50_T90: median value of the distribution of the T90 [s] of the rotated waveforms
rotD100_T90: maximum value of the distribution of the T90 [s] of the rotated waveforms
rotD00_T90: minimum value of the distribution of the T90 [s] of the rotated waveforms
u_housner: Housner intensity [cm] of the u component
v_housner: Housner intensity [cm] of the v component
w_housner: Housner intensity [cm] of the w component
rotD50_housner: median value of the distribution of the housner [cm] of the rotated waveforms
rotD100_housner: maximum value of the distribution of the housner [cm] of the rotated waveforms
rotD00_housner: minimum value of the distribution of the housner [cm] of the rotated waveforms
u_cav: cumulative absolute velocity [cm/s] of the u component
v_cav: cav [cm/s] of the v component
w_cav: cav [cm/s] of the w component
rotd50_cav: median value of the distribution of the cav [cm] of the rotated waveforms
rotd100_cav: maximum value of the distribution of the cav [cm] of the rotated waveforms
rotd00_cav: minimum value of the distribution of the cav [cm] of the rotated waveforms
u_ia: Arias intensity [cm/s] of the u component
v_ia: Ai [cm/s] of the v component
w_ia: Ai [cm/s] of the w component
rotd50_ia: median value of the distribution of the Ai [cm/s] of the rotated waveforms
rotd100_ia: maximum value of the distribution of the Ai [cm/s] of the rotated waveforms
rotd00_ia: minimum value of the distribution of the Ai [cm/s] of the rotated waveforms
u_t0_010: spectral ordinates (SA in cm/s2 or FAS in cm/s) for 'y_yyy' period or frequency of the u component
u_t0_025
u_t0_040
u_t0_050
u_t0_070
u_t0_100
u_t0_150
u_t0_200
u_t0_250
u_t0_300
u_t0_350
u_t0_400
u_t0_450
u_t0_500
u_t0_600
u_t0_700
u_t0_750
u_t0_800
u_t0_900
u_t1_000
u_t1_200
u_t1_400
u_t1_600
u_t1_800
u_t2_000
u_t2_500
u_t3_000
u_t3_500
u_t4_000
u_t4_500
u_t5_000
u_t6_000
u_t7_000
u_t8_000
u_t9_000
u_t10_000
v_t0_010: spectral ordinates (SA in cm/s2 or FAS in cm/s) for 'y_yyy' period or frequency of the v component
v_t0_025
v_t0_040
v_t0_050
v_t0_070
v_t0_100
v_t0_150
v_t0_200
v_t0_250
v_t0_300
v_t0_350
v_t0_400
v_t0_450
v_t0_500
v_t0_600
v_t0_700
v_t0_750
v_t0_800
v_t0_900
v_t1_000
v_t1_200
v_t1_400
v_t1_600
v_t1_800
v_t2_000
v_t2_500
v_t3_000
v_t3_500
v_t4_000
v_t4_500
v_t5_000
v_t6_000
v_t7_000
v_t8_000
v_t9_000
v_t10_000
w_t0_010: spectral ordinates (SA in cm/s2 or FAS in cm/s) for 'y_yyy' period or frequency of the w component
w_t0_025
w_t0_040
w_t0_050
w_t0_070
w_t0_100
w_t0_150
w_t0_200
w_t0_250
w_t0_300
w_t0_350
w_t0_400
w_t0_450
w_t0_500
w_t0_600
w_t0_700
w_t0_750
w_t0_800
w_t0_900
w_t1_000
w_t1_200
w_t1_400
w_t1_600
w_t1_800
w_t2_000
w_t2_500
w_t3_000
w_t3_500
w_t4_000
w_t4_500
w_t5_000
w_t6_000
w_t7_000
w_t8_000
w_t9_000
w_t10_000
rotd50_t0_010: median value of the distribution of the spectral ordinates (SA in cm/s2) of the rotated waveforms for 'y_yyy' period (available only if option 'spectra' is set to 'FAS')
rotd50_t0_025
rotd50_t0_040
rotd50_t0_050
rotd50_t0_070
rotd50_t0_100
rotd50_t0_150
rotd50_t0_200
rotd50_t0_250
rotd50_t0_300
rotd50_t0_350
rotd50_t0_400
rotd50_t0_450
rotd50_t0_500
rotd50_t0_600
rotd50_t0_700
rotd50_t0_750
rotd50_t0_800
rotd50_t0_900
rotd50_t1_000
rotd50_t1_200
rotd50_t1_400
rotd50_t1_600
rotd50_t1_800
rotd50_t2_000
rotd50_t2_500
rotd50_t3_000
rotd50_t3_500
rotd50_t4_000
rotd50_t4_500
rotd50_t5_000
rotd50_t6_000
rotd50_t7_000
rotd50_t8_000
rotd50_t9_000
rotd50_t10_000
rotd100_t0_010: maximum value of the distribution of the spectral ordinates (SA in cm/s2) of the rotated waveforms for 'y_yyy' period (available only if option 'spectra' is set to 'FAS')
rotd100_t0_025
rotd100_t0_040
rotd100_t0_050
rotd100_t0_070
rotd100_t0_100
rotd100_t0_150
rotd100_t0_200
rotd100_t0_250
rotd100_t0_300
rotd100_t0_350
rotd100_t0_400
rotd100_t0_450
rotd100_t0_500
rotd100_t0_600
rotd100_t0_700
rotd100_t0_750
rotd100_t0_800
rotd100_t0_900
rotd100_t1_000
rotd100_t1_200
rotd100_t1_400
rotd100_t1_600
rotd100_t1_800
rotd100_t2_000
rotd100_t2_500
rotd100_t3_000
rotd100_t3_500
rotd100_t4_000
rotd100_t4_500
rotd100_t5_000
rotd100_t6_000
rotd100_t7_000
rotd100_t8_000
rotd100_t9_000
rotd100_t10_000
rotd00_t0_010: minimum value of the distribution of the spectral ordinates (SA in cm/s2) of the rotated waveforms for 'y_yyy' period (available only if option 'spectra' is set to 'FAS')
rotd00_t0_025
rotd00_t0_040
rotd00_t0_050
rotd00_t0_070
rotd00_t0_100
rotd00_t0_150
rotd00_t0_200
rotd00_t0_250
rotd00_t0_300
rotd00_t0_350
rotd00_t0_400
rotd00_t0_450
rotd00_t0_500
rotd00_t0_600
rotd00_t0_700
rotd00_t0_750
rotd00_t0_800
rotd00_t0_900
rotd00_t1_000
rotd00_t1_200
rotd00_t1_400
rotd00_t1_600
rotd00_t1_800
rotd00_t2_000
rotd00_t2_500
rotd00_t3_000
rotd00_t3_500
rotd00_t4_000
rotd00_t4_500
rotd00_t5_000
rotd00_t6_000
rotd00_t7_000
rotd00_t8_000
rotd00_t9_000
rotd00_t10_000
original_data_mediator: intermediary of the original data