MetaEvent Web-Service

Sample requests

Data can be obtained using any program supporting the HTTP-GET method, e.g. your favourite web browser:

Query options

Option	Description	Default
eventid	Select a specific INGV event ID. Multiple IDs are comma-separated.	n/a
minlatitude	Minumum value of latitude for events selection.	n/a
maxlatitude	Maximum value of latitude for events selection.	n/a
minlongitude	Minumum value of longitude for events selection.	n/a
maxlongitude	Maximum value of longitude for events selection.	n/a
minmagnitude	Limit to events with a magnitude larger than the specified minimum (Mw or Ml or Ms or Mb or Md or generic M).	n/a
maxmagnitude	Limit to events with a magnitude smaller than the specified minimum (Mw or Ml or Ms or Mb or Md or generic M).	n/a
starttime	Limit to events on or after the specified start time. Allowed formats: 'YYYY-MM-DDTHH:MM:SS' and 'YYYY-MM-DD'.	n/a
endtime	Limit to events on or before the specified end time. Allowed formats: 'YYYY-MM-DDTHH:MM:SS' and 'YYYY-MM-DD'.	json
research-institution	Choose one of 'INGV', 'OGS', 'UNIGE', or 'UNITS' to filter the results according to the research institution that performed the analyses.	ALL
exclude-fields	Specify the fields to be excluded in the output file following the "Field name" in "Field description" table. Multiple field names are comma-separated.	n/a
indent	{true,false} Prettifies output setting a 4 spaces indentation style.	false

Field description

Event location metadata from INGV FDSN event web-service

Field name	Description
INGV_event_id	INGV unique event identifier
origin_time	Origin time of the event in the format 'YYYY-MM-DDTHH:MM:SS'
latitude	Latitude of the event [deg]
longitude	Longitude of the event [deg]
depth_km	Depth of the hypocenter [km]
mag_type_code	Magnitude type (Mw or Ml or Ms or Mb or Md or generic M)
mag_value	Magnitude value

Event metadata from CCT analysis

Field name	Description
ID_CCT	Unique identifier used for Coda analysis (CCT)
log_m0_Nm	Seismic moment (log scale) [Nm]
mw	Moment magnitude
mw_95per_max	95% confidence on mw (max)
mw_95per_min	95% confidence on mw (min)
me	Energy magnitude
me_95per_max	95% confidence on me (max)
me_95per_min	95% confidence on me (min)
obs_energy	Observed integrated energy directly from the velocity squared S-wave spectra [log10 Joules]
total_energy	Observed energy + the extrapolated parts (high and low frequency beyond the data) + the P-wave contribution [log Joules]
log_tot_energy_95per_max	95% confidence on total energy values (max)
log_tot_energy_95per_min	95% confidence on total energy values (min)
energy_ratio	Observed divided total energy
app_stress_mpa	Apparent stress [MPa]
app_stress_95per_max_mpa	95% confidence on apparent stress (max)
app_stress_95per_min_mpa	95% confidence on apparent stress (min)
fc_hz	Corner frequency [Hz]
fc_95per_max_hz	95% confidence on fc (max) [hz]
fc_95per_min_hz	95% confidence on fc (min) [hz]
ID_coda_model	Coda model identifier
ground_truth_events	Table of reference Mw and apparent stress for Ground-Truth (GT) events
model_min_freq_hz	Minimum frequency for the CCT model [hz]
model_max_freq_hz	Maximum frequency for the CCT model [hz]
model_min_distance_km	Minimum distance for the CCT model [km]
model_max_distance_km	Maximum distance for the CCT model[km]
doi	Digital Object Identifier associated to data
research_institution	Research institution that performed the analysis

Event metadata from GIT analysis

Field name	Description
GIT_ID	Unique identifier used for GIT analysis
mw	Moment magnitude from GIT analysis
mw_std	Standard deviation of the mw
fc_hz	Corner Frequency [Hz]
fc_std_hz	Standard deviation of the fc [hz]
stress_drop_mpa	Stress-drop from GIT analysis [MPa]
stress_drop_std_mpa	Standard deviation of the stress drop [MPa]
kappa_source_s	Kappa source [s]
kappa_source_std_s	Standard deviation of the kappa source [s]
m0_nm	Seismic moment [Nm]
m0_std_nm	Standard deviation of the seismic moment [Nm]
f0_hz	Resonance frequency [Hz]
f0_std_hz	Standard deviation of the f0 [Hz]
ID_GIT_model	GIT model identifier
reference_sites	List of reference sites
kappa_s	High frequency attenuation (kappa) [s]
reference_mw	Table of reference Mw with the corresponding event ID
model_min_freq_hz	Minimum frequency for the GIT model [hz]
model_max_freq_hz	Maximum frequency for the GIT model [hz]
model_min_distance_km	Minimum distance for the GIT model [km]
model_max_distance_km	Maximum distance for the GIT model [km]
dist_type	Type of distance (Rypo: Hypocentral, Repi: epicentral)
flag_anchorage_mw_to_ref_catalog	Flag to inform if Mw from this model is anchorated to a reference catalog (0: no; 1 yes)
doi	Digital Object Identifier associated to data
research_institution	Research institution that performed the analysis

Event metadata from RAMONES analysis

Field name	Description
RAMONES_id	Unique identifier used for RAMONES analysis
log_m0_nm	Seismic moment in log units [Nm]
log_m0_std_nm	Standard deviation of the seismic moment in log units [Nm]
mw	Moment magnitude
mw_std	Standard deviation of the mw
ml	Local magnitude
ml_std	Standard deviation of the ml
fc_hz	Corner frequency [Hz]
fc_std_hz	Standard deviation of the fc [hz]
log_en_j	Radiated Energy [log Joules]
log_en_std_j	Standard deviation of the radiated energy [log Joules]
app_stress_mpa	Apparent stress [MPa]
app_stress_std_mpa	Standard deviation of the apparent stress [MPa]
doi	Digital Object Identifier associated to data
research_institution	Research institution that performed the analysis

Event metadata from RESIDUAL analysis

Field name	Description
ESM_event_id	ESM unique event identifier
log_be_fash	Between-event term of the horizontal Fourier Amplitude Spectrum (FAS)
log_be_fasz	Between-event term of the vertical Fourier Amplitude Spectrum (FAS)
log_tau0_fash	Aleatory variability of the horizontal Fourier Amplitude Spectrum (FAS)
log_tau0_fasz	Aleatory variability of the vertical Fourier Amplitude Spectrum (FAS)
model_id	Model Identifier
gmm	Groun Motion Model (ITA18, Lanzanto et al. 2019)
dist_type	Type of distance (Rjb: Joyner-Boore distance)
freq_hz	Frequency vector associated to log__fas[Hz]
doi	Digital Object Identifier associated to data
research_institution	Research institution that performed the analysis

Event metadata from RT analysis

Field name	Description
UNITS_event_id	UNITS event identifier
ml	Local magnitude
ml_std	Standard deviation of the ml
mw	Moment magnitude
mw_std	Standard deviation of the mw
m0_nm	Seismic moment [Nm]
m0_std_nm	Standard deviation of the m0 [Nm]
fc_hz	Corner frequency [Hz]
fc_std_hz	Standard deviation of the fc [Hz]
equivalent_source_radius_km	Equivalent source radius [km]
equivalent_source_radius_std_km	Standard deviation of the equivalent source radius standard deviation [km]
me	Energy magnitude
me_std	Standard deviation of the me
stress_drop_mpa	Stress drop [MPa]
stress_drop_std_mpa	Standard deviation of the stress drop [MPa]
radiated_seismic_energy_j	Radiated seismic energy [J]
radiated_seismic_energy_std_j	Standard deviation of the radiated seismic energy [J]
doi	Digital Object Identifier associated to data
research_institution	Research institution that performed the analysis

Event metadata from SA analysis

Field name	Description
OGS_event_id	OGS unique event identifier
md	Duration magnitude
ml	Local magnitude
ml_std	Standard deviation of the ml
mw_from_sa	Moment magnitude computed from spectral acceleration values
mw_from_sa_std	Standard deviation of the mw_from_sa
mw_from_mt	Moment magnitude from moment tensor inversion
model	Model used to compute mw_from_sa
max_epi	Maximum epicentral distance for mw estimation
mw_switch	Threshold for Mw switching from 1.0s to 0.3s
sa_periods	Spectral acceleration periods used to compute Mw
doi	Digital Object Identifier associated to data
research_institution	Research institution that performed the analysis

Event metadata from SS analysis

Field name	Description
OGS_event_id	OGS unique event identifier
mw	Moment magnitude
mw_std	Standard deviation of the mw
m0_nm	Seimic moment in Nm
m0_min_nm	Lower uncertainty associated to Mw [Nm]
m0_max_nm	Upper uncertainty associated to Mw [Nm]
fc_hz	Corner frequency in Hz
fc_min_hz	Lower uncertainty associated to fc [Hz]
fc_max_hz	Upper uncertainty associated to fc [Hz]
r_m	Source radius in m
r_min_m	Lower uncertainty associated to the source radius [m]
r_max_m	Upper uncertainty associated to the source radius [m]
static_stress_drop_mpa	Static stress drop in MPa (Brune model)
static_stress_drop_min_mpa	Lower uncertainty associated to the static stress drop [MPa]
static_stress_drop_max_mpa	Upper uncertainty associated to the static stress drop [MPa]
radiated_energy_j	Radiated energy in J
radiated_energy_min_j	Lower uncertainty associated to the radiated energy [J]
radiated_energy_max_j	Upper uncertainty associated to the radiated energy [J]
apparent_stress_mpa	Apparent stress in MPa
apparent_stress_min_mpa	Lower uncertainty associated to the apparent stress [Mpa]
apparent_stress_max_mpa	Upper uncertainty associated to the apparent stress [Mpa]
seismic_efficiency	Seismic efficiency
model_id	Model used in SourceSpec
algorithm	Algorithm used in SourceSpec
t_start	Initial value for t* [s]
t_start_min	Lower bound for t* [s]
t_start_max	Upper bound for t* [s]
fc_model_min	Lower bound for corner frequency used in the model [Hz]
fc_model_max	Upper bound for corner frequency used in the model [Hz]
mw_variability	Allowed variability for Mw in the inversion
doi	Digital Object Identifier associated to data
research_institution	Research institution that performed the analysis

Backend Python software used by this web service was developed and maintained by Felicetta C.