VP/VS Service

mintime/ UTC minimum date and time

UTC minimum date and time meaning: data are extracted if related time is greater equal to mintime standard reference: ISO 8601 (YYYY-MM-DDThh:mm:ss.ccc)

Validation constraints

Validate parameter if ISO8601 Date time between <1970-01-01T00:00:00.000> and <2970-01-01T00:00:00.000>

maxtime/ UTC maximum date and time

UTC maximum date and time meaning: data are extracted if related time is less or equal to maxtime standard reference: ISO 8601 (YYYY-MM-DDThh:mm:ss.ccc)

Validation constraints

Validate parameter if ISO8601 Date time between <1970-01-01T00:00:00.000> and <2970-01-01T00:00:00.000>

minlat/ Minimum latitude of the selection area

earthquakes and stations to calculate Vp/Vs are extracted if latitude is greater or equal to minlat standard reference: ISO 6709

Validation constraints

Validate number inside range range -90 - 90

maxlat/ Maximum latitude of the selection area

earthquakes and stations to calculate Vp/Vs are extracted if latitude is less or equal to maxlat standard reference: ISO 6709

Validation constraints

Validate number inside range range -90 - 90

minlon/ Minimum longitude of the selection area

earthquakes and stations to calculate Vp/Vs are extracted if longitude is greater or equal to minlon standard reference: ISO 6709

Validation constraints

Validate number inside range range -180 - 180

maxlon/ Maximum longitude of the selection area

earthquakes and stations to calculate Vp/Vs are extracted if longitude is less or equal to maxlon standard reference: ISO 6709

Validation constraints

Validate number inside range range -180 - 180

mineqdep/ Minimum depth of earthquakes

earthquakes to calculate Vp/Vs are extracted if depth is greater or equal to mineqdep standard reference: ISO 6709 negative a.s.l. positive b.s.l.

Measurement unit: km

Validation constraints

Validate number inside range range -9.0 - 6378.0

maxeqdep/ Maximum depth of earthquakes

earthquakes to calculate Vp/Vs are extracted if depth is less or equal to mineqdep standard reference: ISO 6709 negative a.s.l. positive b.s.l.

Measurement unit: km

Validation constraints

Validate number inside range range -9.0 - 6378.0

minnp/ Minimum number of P waves

number of p-waves onset observations meaning: minimum number of p-waves onset observations, with quality hypoinverse standard weight less equal to maxpw, that one earthquake has to have to be extracted standard reference: integer, no standard

Validation constraints

Validate parameter if integer value Validate parameter if greater than minval 0

minns/ Minimum number of S waves

number of s-waves onset observations meaning: minimum number of s-waves onset observations, with quality hypoinverse standard weight less equal to maxsw, that one earthquake has to have to be extracted standard reference: integer, no standard

Validation constraints

Validate parameter if integer value Validate parameter if greater than minval 0

maxpw/ quality hypoinverse standard weight

quality hypoinverse standard weight meaning: maximum quality weight allowed for a p-wave reading so that it is counted for earthquake selection standard reference: integer, hypoinverse 2000 standard (0 high quality, 3 worse, 4 not used)

Validation constraints

Validate parameter if integer value Validate number inside range range 0 - 4

maxsw/ quality hypoinverse standard weight

mum quality weight allowed for a s-wave reading so that it is counted for earthquake selection standard reference: integer, hypoinverse 2000 standard (0 high quality, 3 worse, 4 not used)

Validation constraints

Validate parameter if integer value Validate number inside range range 0 - 4

minps/ number of P and S couples per earthquake

minimum number of p- and s-waves observed at one single station, with quality hypoinverse standard weight less equal to maxpw and maxsw respectively, that one earthquake has to have to be extracted

Validation constraints

Validate parameter if integer value Validate parameter if greater than minval 0

maxgap/ degrees of azimuthal stations distribution gap per earthquake

maximum allowed azimuthal gap so that a earthquakes is selected; this parameters tends to guarantee a more feasible location and to exclude earthquakes at the edge of the network coverage

Validation constraints

Validate number inside range range 0 - 360

midi/ horizontal distance of the closest station from a earthquake

maximum distance of the closest station from an earthquake so that it can be extracted, this parameters tends to guarantee a more feasible depth

Measurement unit: km

Validation constraints

Validate number inside range range 0 - 40000

maxherr/ maximum allowed formal horizontal error in earthquake location

the mean formal horizontal error directly given by the location code or calculated as sqrt(errX²+errY*2) or from the uncertainty 2D or 3D ellipsoid parameters (see the specific location code reference manual)

Measurement unit: km

Validation constraints

Validate number inside range range 0 - 40000

maxverr/ maximum allowed formal vertical error in earthquake location

is the mean formal vertical error directly given by the location code or calculated from the uncertainty 3D ellipsoid parameters (see the specific location code reference manual)

Measurement unit: km

Validation constraints

Validate number inside range range 0 - 6378

maxvpvspw/

Validation constraints

Validate number inside range range 0 - 4

maxvpvssw/

Validation constraints

Validate number inside range range 0 - 4

maxvpvserr/

Validation constraints

Validate number inside range range 0 - 1000000000

DIV/

Validation constraints

Validate number inside range range 1000000 - 1000000

vpvsmin/

Validation constraints

Validate number inside range range 1.41 - 1.41

modtype/

Validation constraints

Validate number inside range range 1 - 1

codetype/

Validation constraints

Validate number inside range range 2 - 2

mettype/

Validation constraints

Validate number inside range range 2 - 2

stacode/ station code

it is the code representing the station

Validation constraints

Validate parameter if matching regular expression ^([A-Za-z0-9]+)(,[A-Za-z0-9]+)*$

as_plot/ Return data as a png plot

0 - api will return the raw data; 1 - api will return a png plot of the data

Validation constraints

Validate parameter if integer value Validate number inside range range 0 - 1