A magnitude ML 1.2 earthquake occured in region: 4 km NW Vecchiano (PI), on
and geographic coordinates (lat, lon) 43.8120, 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 | 7 | 22471 | 34660 |
San Giuliano Terme | PI | 9 | 31399 | 66059 |
Viareggio | LU | 11 | 62467 | 128526 |
Pisa | PI | 11 | 89158 | 217684 |
Lucca | LU | 12 | 89046 | 306730 |
Camaiore | LU | 15 | 32513 | 339243 |
Calci | PI | 16 | 6426 | 345669 |
Pescaglia | LU | 18 | 3526 | 349195 |
Capannori | LU | 18 | 46252 | 395447 |
Pietrasanta | LU | 20 | 24007 | 419454 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2023-12-23 02:14:31 |
43.8123 | 10.3585 | 11 | 2023-12-23 02:19:39 |
Sala Sismica INGV-Roma | 124212491 |
Field | Value |
---|---|
Time (UTC) | 2023-12-23 02:14:31 ± 0.26 |
Latitude | 43.8123 ± 0.0108 |
Longitude | 10.3585 ± 0.0199 |
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 | 124212491 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1636 |
Semi-minor axis of confidence ellipse (meter) | 1036 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 69 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1640.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 210 |
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) | 0.29 |
Epicentral distance of station closest to the epicenter (degree) | 0.13939 |
Epicentral distance of station farthest from the epicenter (degree) | 0.45506 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 124212491 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-12-23 02:19:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PSL.EHZ. | 2023-12-23T02:14:46.78 | 0.6 | undecidable | manual | S | 64 | 50.5161 | 50 | -0.48 | 44 |
GU.EQUI.HHE. | 2023-12-23T02:14:44.42 | 0.6 | undecidable | manual | S | 337 | 42.5241 | 50 | -0.71 | 40 |
IV.BDI.HHZ. | 2023-12-23T02:14:43.14 | 0.6 | undecidable | manual | S | 34 | 33.6441 | 50 | 0.38 | 46 |
IV.PSL.EHZ. | 2023-12-23T02:14:40.70 | 0.6 | negative | manual | P | 64 | 50.5161 | 50 | 0.23 | 46 |
GU.EQUI.HHE. | 2023-12-23T02:14:39.24 | 1.0 | undecidable | manual | P | 337 | 42.5241 | 50 | 0 | 24 |
GU.POPM.HHZ. | 2023-12-23T02:14:39.09 | 0.1 | positive | manual | P | 51 | 40.9257 | 50 | 0.08 | 96 |
GU.MAIM.HHZ. | 2023-12-23T02:14:37.32 | 0.6 | undecidable | manual | S | 44 | 15.4734 | 124 | -0.37 | 48 |
IV.PII.HHZ. | 2023-12-23T02:14:37.50 | 0.6 | undecidable | manual | S | 127 | 16.6722 | 122 | -0.56 | 45 |
IV.BDI.HHZ. | 2023-12-23T02:14:37.99 | 0.3 | negative | manual | P | 34 | 33.6441 | 50 | 0.12 | 73 |
GU.CARD.HHZ. | 2023-12-23T02:14:36.69 | 0.1 | negative | manual | P | 23 | 25.6521 | 50 | 0.04 | 100 |
IV.PII.HHZ. | 2023-12-23T02:14:35.32 | 0.1 | negative | manual | P | 127 | 16.6722 | 122 | 0.16 | 99 |
GU.MAIM.HHZ. | 2023-12-23T02:14:35.24 | 0.1 | positive | manual | P | 44 | 15.4734 | 124 | 0.29 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.MAIM.HHE. | ML:1.2 | 0.0001563455 | 0.1408 | AML | other | m | 2023-12-23T02:14:37.67 |
GU.MAIM.HHN. | ML:1.0 | 0.000096483935 | 0.12 | AML | other | m | 2023-12-23T02:14:37.77 |
IV.PII.HHE. | ML:1.2 | 0.000131339 | 0.24 | AML | other | m | 2023-12-23T02:14:38.07 |
IV.PII.HHN. | ML:1.1 | 0.00009846080500000001 | 0.16 | AML | other | m | 2023-12-23T02:14:37.92 |
GU.CARD.HHE. | ML:0.9 | 0.00004469173 | 0.12 | AML | other | m | 2023-12-23T02:14:40.07 |
IV.BDI.HHN. | ML:1.0 | 0.000038244175 | 1.44 | AML | other | m | 2023-12-23T02:14:56.21 |
IV.BDI.HNE. | ML:1.5 | 0.000123509245 | 0.6896 | AML | other | m | 2023-12-23T02:14:42.91 |
IV.BDI.HNN. | ML:1.7 | 0.0001979709 | 0.8704 | AML | other | m | 2023-12-23T02:14:44.51 |
IV.BDI.HHE. | ML:0.8 | 0.0000278567885 | 0.7408 | AML | other | m | 2023-12-23T02:14:50.25 |
GU.POPM.HHE. | ML:0.9 | 0.00002285239 | 0.72 | AML | other | m | 2023-12-23T02:14:42.03 |
IV.PSL.EHE. | ML:1.6 | 0.0000932336 | 2.36 | AML | other | m | 2023-12-23T02:14:46.82 |
IV.PSL.EHN. | ML:1.5 | 0.000087897835 | 2.68 | AML | other | m | 2023-12-23T02:14:44.15 |