A magnitude ML 0.4 earthquake occured in region: 5 km SW Lucca (LU), on
and geographic coordinates (lat, lon) 43.8160, 10.4470 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 |
---|---|---|---|---|
Lucca | LU | 6 | 89046 | 89046 |
San Giuliano Terme | PI | 6 | 31399 | 120445 |
Vecchiano | PI | 6 | 12189 | 132634 |
Massarosa | LU | 10 | 22471 | 155105 |
Capannori | LU | 11 | 46252 | 201357 |
Calci | PI | 12 | 6426 | 207783 |
Pisa | PI | 12 | 89158 | 296941 |
Porcari | LU | 14 | 8845 | 305786 |
Buti | PI | 15 | 5791 | 311577 |
Viareggio | LU | 17 | 62467 | 374044 |
Vicopisano | PI | 17 | 8559 | 382603 |
Pescaglia | LU | 17 | 3526 | 386129 |
Cascina | PI | 18 | 45257 | 431386 |
Camaiore | LU | 18 | 32513 | 463899 |
Bientina | PI | 18 | 8062 | 471961 |
Montecarlo | LU | 18 | 4428 | 476389 |
Altopascio | LU | 18 | 15481 | 491870 |
Borgo a Mozzano | LU | 20 | 6994 | 498864 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.4 | 2023-12-27 23:09:57 |
43.8165 | 10.4468 | 12 | 2023-12-27 23:16:49 |
Sala Sismica INGV-Roma | 124309921 |
Field | Value |
---|---|
Time (UTC) | 2023-12-27 23:09:57 ± 0.39 |
Latitude | 43.8165 ± 0.0072 |
Longitude | 10.4468 ± 0.0523 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 124309921 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 4255 |
Semi-minor axis of confidence ellipse (meter) | 505 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 84 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 4250.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 218 |
Number of associated phases, regardless of their use for origin computation | 6 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.10162 |
Epicentral distance of station farthest from the epicenter (degree) | 0.26800 |
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 | 0.4 |
Uncertainty | 0.1 |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 124309921 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-12-27 23:16:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.MAIM.HHZ. | 2023-12-27T23:10:03.19 | 0.3 | undecidable | manual | S | 18 | 11.2776 | 119 | -0.01 | 77 |
IV.PII.HHZ. | 2023-12-27T23:10:03.37 | 0.3 | undecidable | manual | S | 149 | 12.1767 | 115 | -0.05 | 75 |
IV.BDI.HHZ. | 2023-12-27T23:10:03.68 | 0.3 | undecidable | manual | P | 23 | 29.748 | 93 | 0.04 | 74 |
GU.CARD.HHZ. | 2023-12-27T23:10:02.34 | 0.3 | undecidable | manual | P | 7 | 23.4543 | 94 | -0.31 | 71 |
IV.PII.HHZ. | 2023-12-27T23:10:01.06 | 0.3 | undecidable | manual | P | 149 | 12.1767 | 115 | 0.09 | 75 |
GU.MAIM.HHZ. | 2023-12-27T23:10:00.90 | 0.1 | positive | manual | P | 18 | 11.2776 | 119 | 0.05 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.MAIM.HHE. | ML:0.6 | 0.00004011423 | 0.6528 | AML | other | m | 2023-12-27T23:10:03.72 |
GU.MAIM.HHN. | ML:0.3 | 0.000021503439999999998 | 0.7808 | AML | other | m | 2023-12-27T23:10:03.50 |
IV.PII.HHN. | ML:0.3 | 0.0000200220155 | 0.6144 | AML | other | m | 2023-12-27T23:10:03.61 |
IV.PII.HHE. | ML:0.4 | 0.0000250980505 | 0.9088 | AML | other | m | 2023-12-27T23:10:03.68 |
GU.CARD.HHE. | ML:0.5 | 0.000019055889999999998 | 1.4464 | AML | other | m | 2023-12-27T23:10:06.34 |