A magnitude ML 0.5 earthquake occured in region: 5 km NE Vecchiano (PI), on
and geographic coordinates (lat, lon) 43.8140, 10.4320 at 12 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 | 5 | 12189 | 12189 |
San Giuliano Terme | PI | 6 | 31399 | 43588 |
Lucca | LU | 7 | 89046 | 132634 |
Massarosa | LU | 9 | 22471 | 155105 |
Pisa | PI | 11 | 89158 | 244263 |
Calci | PI | 12 | 6426 | 250689 |
Capannori | LU | 12 | 46252 | 296941 |
Porcari | LU | 15 | 8845 | 305786 |
Viareggio | LU | 16 | 62467 | 368253 |
Buti | PI | 16 | 5791 | 374044 |
Pescaglia | LU | 17 | 3526 | 377570 |
Camaiore | LU | 17 | 32513 | 410083 |
Vicopisano | PI | 18 | 8559 | 418642 |
Cascina | PI | 18 | 45257 | 463899 |
Bientina | PI | 19 | 8062 | 471961 |
Altopascio | LU | 20 | 15481 | 487442 |
Montecarlo | LU | 20 | 4428 | 491870 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2023-12-27 23:10:25 |
43.8143 | 10.4322 | 12 | 2023-12-27 23:20:08 |
Sala Sismica INGV-Roma | 124309991 |
Field | Value |
---|---|
Time (UTC) | 2023-12-27 23:10:25 ± 0.18 |
Latitude | 43.8143 ± 0.0045 |
Longitude | 10.4322 ± 0.0287 |
Depth (km) | 12 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 124309991 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2182 |
Semi-minor axis of confidence ellipse (meter) | 660 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 90 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 2180.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 226 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.10792 |
Epicentral distance of station farthest from the epicenter (degree) | 0.27519 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 124309991 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-12-27 23:20:08 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.BDI.HHZ. | 2023-12-27T23:10:35.59 | 0.3 | undecidable | manual | S | 25 | 30.5472 | 93 | -0.06 | 70 |
IV.BDI.HHZ. | 2023-12-27T23:10:31.25 | 0.1 | undecidable | manual | P | 25 | 30.5472 | 93 | 0.08 | 97 |
GU.MAIM.HHZ. | 2023-12-27T23:10:30.77 | 0.3 | undecidable | manual | S | 23 | 11.9769 | 119 | -0.04 | 72 |
IV.PII.HHZ. | 2023-12-27T23:10:30.88 | 0.1 | undecidable | manual | S | 144 | 12.6762 | 116 | -0.1 | 96 |
GU.CARD.HHZ. | 2023-12-27T23:10:29.92 | 0.3 | undecidable | manual | P | 10 | 23.8539 | 96 | -0.22 | 69 |
GU.MAIM.HHZ. | 2023-12-27T23:10:28.50 | 0.1 | positive | manual | P | 23 | 11.9769 | 119 | 0.12 | 100 |
IV.PII.HHZ. | 2023-12-27T23:10:28.62 | 0.1 | undecidable | manual | P | 144 | 12.6762 | 116 | 0.14 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.MAIM.HHE. | ML:0.6 | 0.000046700000000000003 | 0.12 | AML | other | m | 2023-12-27T23:10:30.92 |
GU.MAIM.HHN. | ML:0.5 | 0.000029699999999999997 | 0.32 | AML | other | m | 2023-12-27T23:10:31.18 |
IV.PII.HHE. | ML:0.5 | 0.000030046345999999996 | 0.2176 | AML | other | m | 2023-12-27T23:10:31.49 |
IV.PII.HHN. | ML:0.3 | 0.00002159144 | 0.1024 | AML | other | m | 2023-12-27T23:10:31.38 |