A magnitude ML 0.9 earthquake occured in region: 4 km SW Lucca (LU), on
and geographic coordinates (lat, lon) 43.8180, 10.4740 at 10 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 | 4 | 89046 | 89046 |
San Giuliano Terme | PI | 7 | 31399 | 120445 |
Vecchiano | PI | 8 | 12189 | 132634 |
Capannori | LU | 9 | 46252 | 178886 |
Calci | PI | 11 | 6426 | 185312 |
Porcari | LU | 12 | 8845 | 194157 |
Massarosa | LU | 12 | 22471 | 216628 |
Pisa | PI | 13 | 89158 | 305786 |
Buti | PI | 14 | 5791 | 311577 |
Vicopisano | PI | 16 | 8559 | 320136 |
Montecarlo | LU | 16 | 4428 | 324564 |
Altopascio | LU | 16 | 15481 | 340045 |
Cascina | PI | 17 | 45257 | 385302 |
Bientina | PI | 17 | 8062 | 393364 |
Pescaglia | LU | 17 | 3526 | 396890 |
Villa Basilica | LU | 19 | 1633 | 398523 |
Viareggio | LU | 19 | 62467 | 460990 |
Borgo a Mozzano | LU | 19 | 6994 | 467984 |
Calcinaia | PI | 19 | 12439 | 480423 |
Camaiore | LU | 19 | 32513 | 512936 |
Pescia | PT | 20 | 19644 | 532580 |
Chiesina Uzzanese | PT | 20 | 4552 | 537132 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
Md 1.0
ML 0.9 |
2023-02-25 07:49:22 |
43.8183 | 10.4742 | 10 | 2023-02-25 07:54:53 |
Sala Sismica INGV-Roma | 114789551 |
Field | Value |
---|---|
Time (UTC) | 2023-02-25 07:49:22 ± 0.41 |
Latitude | 43.8183 ± 0.0090 |
Longitude | 10.4742 ± 0.0661 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 114789551 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 5353 |
Semi-minor axis of confidence ellipse (meter) | 551 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 263 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 5350.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 203 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
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) | 0.09533 |
Epicentral distance of station farthest from the epicenter (degree) | 0.30487 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 114789551 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-02-25 07:54:53 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.1 |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 114789551 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-02-25 07:54:53 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.BDI.HNZ. | 2023-02-25T07:49:32.90 | 0.6 | undecidable | manual | S | 20 | 28.8489 | 50 | -0.31 | 46 |
GU.CARD.HHZ. | 2023-02-25T07:49:30.90 | 0.6 | undecidable | manual | S | 2 | 23.0547 | 113 | -0.62 | 42 |
GU.POPM.HHZ. | 2023-02-25T07:49:29.76 | 0.1 | undecidable | manual | P | 42 | 33.8439 | 50 | 0.18 | 93 |
GU.MAIM.HHZ. | 2023-02-25T07:49:28.10 | 0.6 | undecidable | manual | S | 8 | 10.5783 | 133 | 0.25 | 48 |
IV.BDI.HNZ. | 2023-02-25T07:49:28.84 | 0.1 | undecidable | manual | P | 20 | 28.8489 | 50 | 0.03 | 97 |
GU.CARD.HHZ. | 2023-02-25T07:49:27.73 | 1.0 | undecidable | manual | P | 2 | 23.0547 | 113 | -0.1 | 24 |
IV.PII.HHZ. | 2023-02-25T07:49:27.80 | 0.6 | undecidable | manual | S | 159 | 11.4774 | 131 | -0.26 | 48 |
IV.PII.HHZ. | 2023-02-25T07:49:25.82 | 0.1 | undecidable | manual | P | 159 | 11.4774 | 131 | -0.02 | 100 |
GU.MAIM.HHZ. | 2023-02-25T07:49:25.97 | 0.1 | negative | manual | P | 8 | 10.5783 | 133 | 0.26 | 95 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.PII.HHN. | ML:0.0 | 0.000107 | 1.28 | AML | other | m | 2023-02-25T07:49:27.26 |
IV.PII.HHE. | ML:0.0 | 0.00010580000000000001 | 0.98 | AML | other | m | 2023-02-25T07:49:28.91 |
GU.CARD.HHN. | ML:0.0 | 0.00007775 | 0.16 | AML | other | m | 2023-02-25T07:49:31.38 |
GU.CARD.HHE. | ML:0.0 | 0.000056 | 0.52 | AML | other | m | 2023-02-25T07:49:31.41 |
GU.MAIM.HHE. | ML:0.6 | 0.000049623335 | 0.1984 | AML | other | m | 2023-02-25T07:49:28.32 |
GU.MAIM.HHN. | ML:0.7 | 0.00006746079499999999 | 0.2816 | AML | other | m | 2023-02-25T07:49:28.31 |