A magnitude ML 0.8 earthquake occured in region: 4 km NW Vecchiano (PI), on
and geographic coordinates (lat, lon) 43.8160, 10.3580 at 11 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
Search earthquakes: Any within 30 km radius
The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Vecchiano | PI | 4 | 12189 | 12189 |
Massarosa | LU | 6 | 22471 | 34660 |
San Giuliano Terme | PI | 9 | 31399 | 66059 |
Viareggio | LU | 10 | 62467 | 128526 |
Pisa | PI | 12 | 89158 | 217684 |
Lucca | LU | 12 | 89046 | 306730 |
Camaiore | LU | 14 | 32513 | 339243 |
Calci | PI | 16 | 6426 | 345669 |
Pescaglia | LU | 17 | 3526 | 349195 |
Capannori | LU | 18 | 46252 | 395447 |
Pietrasanta | LU | 19 | 24007 | 419454 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2022-04-03 00:38:24 |
43.8162 | 10.3583 | 11 | 2022-04-03 00:45:49 |
Sala Sismica INGV-Roma | 102721031 |
Field | Value |
---|---|
Time (UTC) | 2022-04-03 00:38:24 ± 0.21 |
Latitude | 43.8162 ± 0.0099 |
Longitude | 10.3583 ± 0.0162 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 102721031 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1264 |
Semi-minor axis of confidence ellipse (meter) | 1076 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 232 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1260.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 209 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.27 |
Epicentral distance of station closest to the epicenter (degree) | 0.13670 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37951 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 102721031 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-04-03 00:45:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.POPM.HHZ. | 2022-04-03T00:38:38.50 | 0.6 | undecidable | manual | S | 51 | 40.7259 | 50 | 0.15 | 64 |
GU.EQUI.HHE. | 2022-04-03T00:38:38.40 | 0.6 | undecidable | manual | S | 337 | 42.1245 | 50 | -0.33 | 61 |
IV.BDI.HHZ. | 2022-04-03T00:38:36.30 | 0.3 | undecidable | manual | S | 35 | 33.2445 | 50 | -0.07 | 99 |
GU.CARD.HHZ. | 2022-04-03T00:38:33.80 | 0.6 | undecidable | manual | S | 23 | 25.2525 | 50 | -0.44 | 62 |
GU.EQUI.HHE. | 2022-04-03T00:38:32.77 | 0.3 | undecidable | manual | P | 337 | 42.1245 | 50 | -0.12 | 96 |
GU.POPM.HHZ. | 2022-04-03T00:38:32.83 | 0.6 | undecidable | manual | P | 51 | 40.7259 | 50 | 0.15 | 64 |
IV.PII.HHZ. | 2022-04-03T00:38:31.25 | 0.6 | undecidable | manual | S | 128 | 16.9719 | 122 | -0.62 | 59 |
IV.BDI.HHZ. | 2022-04-03T00:38:31.77 | 0.3 | undecidable | manual | P | 35 | 33.2445 | 50 | 0.24 | 95 |
GU.MAIM.HHZ. | 2022-04-03T00:38:31.05 | 0.6 | undecidable | manual | S | 45 | 15.1737 | 125 | -0.29 | 65 |
GU.CARD.HHZ. | 2022-04-03T00:38:30.54 | 0.3 | undecidable | manual | P | 23 | 25.2525 | 50 | 0.24 | 97 |
GU.MAIM.HHZ. | 2022-04-03T00:38:29.06 | 0.3 | undecidable | manual | P | 45 | 15.1737 | 125 | 0.43 | 94 |
IV.PII.HHZ. | 2022-04-03T00:38:29.08 | 0.3 | undecidable | manual | P | 128 | 16.9719 | 122 | 0.15 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.PII.HHE. | ML:0.9 | 0.00006720647615 | 0.12 | AML | other | m | 2022-04-03T00:38:31.67 |
IV.PII.HHN. | ML:0.8 | 0.00005443569 | 0.1 | AML | other | m | 2022-04-03T00:38:31.58 |
GU.MAIM.HHE. | ML:0.6 | 0.000040357505 | 0.2 | AML | other | m | 2022-04-03T00:38:31.43 |
GU.MAIM.HHN. | ML:0.6 | 0.0000424324 | 0.1 | AML | other | m | 2022-04-03T00:38:31.61 |
GU.CARD.HHE. | ML:0.8 | 0.00003929998 | 0.18 | AML | other | m | 2022-04-03T00:38:33.92 |
GU.CARD.HHN. | ML:0.8 | 0.000037744520000000006 | 0.14 | AML | other | m | 2022-04-03T00:38:34.29 |