A magnitude ML 0.7 earthquake occured in region: 4 km SW Lucca (LU), on
and geographic coordinates (lat, lon) 43.8160, 10.4640 at 14 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 | 6 | 31399 | 120445 |
Vecchiano | PI | 7 | 12189 | 132634 |
Capannori | LU | 10 | 46252 | 178886 |
Calci | PI | 11 | 6426 | 185312 |
Massarosa | LU | 11 | 22471 | 207783 |
Pisa | PI | 12 | 89158 | 296941 |
Porcari | LU | 13 | 8845 | 305786 |
Buti | PI | 14 | 5791 | 311577 |
Vicopisano | PI | 16 | 8559 | 320136 |
Montecarlo | LU | 17 | 4428 | 324564 |
Cascina | PI | 17 | 45257 | 369821 |
Altopascio | LU | 17 | 15481 | 385302 |
Bientina | PI | 17 | 8062 | 393364 |
Pescaglia | LU | 17 | 3526 | 396890 |
Viareggio | LU | 18 | 62467 | 459357 |
Camaiore | LU | 19 | 32513 | 491870 |
Borgo a Mozzano | LU | 19 | 6994 | 498864 |
Villa Basilica | LU | 19 | 1633 | 500497 |
Calcinaia | PI | 19 | 12439 | 512936 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.7 | 2021-11-17 22:19:11 |
43.8165 | 10.4642 | 14 | 2022-03-30 13:04:19 |
Bollettino Sismico Italiano INGV | 98058141 |
Reviewed Rev100 |
ML 0.6 | 2021-11-17 22:19:11 |
43.821 | 10.4417 | 11 | 2021-11-17 22:27:40 |
Sala Sismica INGV-Roma | 97530551 |
Field | Value |
---|---|
Time (UTC) | 2021-11-17 22:19:11 ± 0.17 |
Latitude | 43.8165 ± 0.0054 |
Longitude | 10.4642 ± 0.0174 |
Depth (km) | 14 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 98058141 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1439 |
Semi-minor axis of confidence ellipse (meter) | 311 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 74 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1440.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 172 |
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) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.09893 |
Epicentral distance of station farthest from the epicenter (degree) | 0.41459 |
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 | 0.6 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 97530551 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-11-17 22:27:40 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.1 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 98058141 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-02-08 16:19:17 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.BDI.HNZ. | 2021-11-17T22:19:21.76 | 0.6 | undecidable | manual | S | 21 | 29.2485 | 99 | 0.08 | 48 |
GU.CARD.HHZ. | 2021-11-17T22:19:19.75 | 0.3 | undecidable | manual | S | 4 | 23.2545 | 103 | -0.37 | 68 |
GU.EQUI.HHN. | 2021-11-17T22:19:19.82 | 0.3 | undecidable | manual | P | 327 | 46.0206 | 94 | -0.07 | 69 |
IV.PII.HHZ. | 2021-11-17T22:19:17.03 | 0.3 | undecidable | manual | S | 155 | 11.5773 | 128 | -0.23 | 72 |
GU.MAIM.HHZ. | 2021-11-17T22:19:17.08 | 0.3 | undecidable | manual | S | 12 | 10.9779 | 131 | -0.06 | 75 |
IV.BDI.HNZ. | 2021-11-17T22:19:17.62 | 0.3 | undecidable | manual | P | 21 | 29.2485 | 99 | 0.3 | 69 |
GU.CARD.HHZ. | 2021-11-17T22:19:16.49 | 0.3 | undecidable | manual | P | 4 | 23.2545 | 103 | 0.08 | 73 |
IV.PII.HHZ. | 2021-11-17T22:19:14.81 | 0.1 | negative | manual | P | 155 | 11.5773 | 128 | 0.04 | 100 |
GU.MAIM.HHZ. | 2021-11-17T22:19:14.89 | 0.1 | undecidable | manual | P | 12 | 10.9779 | 131 | 0.19 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.PII.HHN. | ML:0.7 | 0.000049787474999999995 | 0.704 | AML | other | m | 2021-11-17T22:19:17.48 |
GU.MAIM.HHN. | ML:0.7 | 0.00005469469 | 0.5248 | AML | other | m | 2021-11-17T22:19:17.48 |
IV.PII.HHE. | ML:0.7 | 0.00005199133 | 0.3328 | AML | other | m | 2021-11-17T22:19:17.32 |
GU.MAIM.HHE. | ML:0.5 | 0.000032183675 | 0.64 | AML | other | m | 2021-11-17T22:19:17.36 |
GU.CARD.HHE. | ML:0.9 | 0.00004379368999999999 | 0.96 | AML | other | m | 2021-11-17T22:19:20.26 |
GU.CARD.HHN. | ML:0.8 | 0.00004139519499999999 | 0.768 | AML | other | m | 2021-11-17T22:19:20.25 |