A magnitude ML 0.8 earthquake occured in region: 7 km W Lucca (LU), on
and geographic coordinates (lat, lon) 43.8370, 10.4210 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 | 7 | 89046 | 89046 |
Vecchiano | PI | 7 | 12189 | 101235 |
Massarosa | LU | 7 | 22471 | 123706 |
San Giuliano Terme | PI | 8 | 31399 | 155105 |
Capannori | LU | 13 | 46252 | 201357 |
Pisa | PI | 14 | 89158 | 290515 |
Viareggio | LU | 14 | 62467 | 352982 |
Calci | PI | 15 | 6426 | 359408 |
Pescaglia | LU | 15 | 3526 | 362934 |
Camaiore | LU | 15 | 32513 | 395447 |
Porcari | LU | 16 | 8845 | 404292 |
Buti | PI | 18 | 5791 | 410083 |
Borgo a Mozzano | LU | 19 | 6994 | 417077 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2020-09-27 21:12:21 |
43.8373 | 10.4212 | 10 | 2020-09-27 21:19:06 |
Sala Sismica INGV-Roma | 83315091 |
Field | Value |
---|---|
Time (UTC) | 2020-09-27 21:12:21 ± 0.17 |
Latitude | 43.8373 ± 0.0063 |
Longitude | 10.4212 ± 0.0175 |
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 | 83315091 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1387 |
Semi-minor axis of confidence ellipse (meter) | 591 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 83 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1390.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 183 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 14 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.38041 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 83315091 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-09-27 21:19:06 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
OE.WTTA.HHZ. | 2020-09-27T21:13:53.38 | 3.0 | undecidable | manual | Sn | -7.23 | 0 | |||
IV.MCEL.HHZ. | 2020-09-27T21:13:42.27 | 3.0 | negative | manual | Pn | 0.56 | 0 | |||
IX.SFL3.HNZ.01 | 2020-09-27T21:13:42.57 | 3.0 | undecidable | manual | Pn | 6.88 | 0 | |||
IV.SGO.HHZ. | 2020-09-27T21:13:39.60 | 3.0 | undecidable | manual | Pn | 3.88 | 0 | |||
IV.MSAG.HHZ. | 2020-09-27T21:13:38.00 | 3.0 | undecidable | manual | Pn | 6.85 | 0 | |||
IV.MCRV.HHZ. | 2020-09-27T21:13:35.92 | 3.0 | undecidable | manual | Pn | 3.36 | 0 | |||
IV.TERO.HHZ. | 2020-09-27T21:13:13.69 | 3.0 | undecidable | manual | Pg | 9.2 | 0 | |||
IV.SARZ.HHZ. | 2020-09-27T21:13:12.52 | 3.0 | undecidable | manual | S | 0.19 | 0 | |||
IV.MBAL.EHZ. | 2020-09-27T21:12:54.43 | 3.0 | positive | manual | Pn | -0.44 | 0 | |||
IV.FIR.HHZ. | 2020-09-27T21:12:43.19 | 3.0 | undecidable | manual | S | -0.22 | 0 | |||
GU.SARM.EHE. | 2020-09-27T21:12:34.54 | 0.6 | undecidable | manual | S | 358 | 38.4282 | 50 | 0.3 | 47 |
GU.POPM.HHZ. | 2020-09-27T21:12:33.35 | 0.3 | undecidable | manual | S | 49 | 35.3424 | 50 | -0.05 | 74 |
IV.BDI.HHZ. | 2020-09-27T21:12:31.32 | 0.3 | undecidable | manual | S | 29 | 28.6491 | 50 | -0.28 | 71 |
GU.EQUI.HHE. | 2020-09-27T21:12:28.64 | 0.3 | undecidable | manual | P | 330 | 42.2244 | 50 | -0.66 | 62 |
GU.POPM.HHZ. | 2020-09-27T21:12:28.68 | 0.6 | undecidable | manual | P | 49 | 35.3424 | 50 | 0.44 | 46 |
MN.VLC.HHZ. | 2020-09-27T21:12:28.63 | 0.6 | positive | manual | P | 356 | 35.8419 | 50 | 0.32 | 47 |
GU.SARM.EHE. | 2020-09-27T21:12:28.83 | 0.3 | undecidable | manual | P | 358 | 38.4282 | 50 | 0.11 | 73 |
GU.CARD.HHZ. | 2020-09-27T21:12:28.98 | 0.3 | undecidable | manual | S | 13 | 21.4674 | 114 | -0.38 | 71 |
IV.BDI.HHZ. | 2020-09-27T21:12:27.20 | 0.3 | undecidable | manual | P | 29 | 28.6491 | 50 | 0 | 76 |
IV.PII.HHZ. | 2020-09-27T21:12:27.09 | 0.3 | undecidable | manual | S | 147 | 15.2736 | 122 | -0.36 | 72 |
GU.CARD.HHZ. | 2020-09-27T21:12:26.05 | 0.1 | negative | manual | P | 13 | 21.4674 | 114 | 0.14 | 99 |
GU.MAIM.HHZ. | 2020-09-27T21:12:25.99 | 0.3 | undecidable | manual | S | 33 | 10.1787 | 133 | -0.06 | 77 |
IV.PII.HHZ. | 2020-09-27T21:12:24.97 | 0.1 | undecidable | manual | P | 147 | 15.2736 | 122 | 0.16 | 100 |
GU.MAIM.HHZ. | 2020-09-27T21:12:24.37 | 0.1 | undecidable | manual | P | 33 | 10.1787 | 133 | 0.37 | 97 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.PII.HHN. | ML:0.8 | 0.00006695000000000001 | 0.44 | AML | other | m | 2020-09-27T21:12:27.88 |
IV.PII.HHE. | ML:1.0 | 0.00010065000000000001 | 0.58 | AML | other | m | 2020-09-27T21:12:27.89 |
GU.CARD.HHE. | ML:1.0 | 0.0000689057 | 0.1024 | AML | other | m | 2020-09-27T21:12:29.80 |
GU.CARD.HHN. | ML:1.2 | 0.00011494915 | 0.1408 | AML | other | m | 2020-09-27T21:12:29.95 |
IV.BDI.HHE. | ML:0.6 | 0.000019291286500000003 | 0.2816 | AML | other | m | 2020-09-27T21:12:32.41 |
IV.BDI.HHN. | ML:0.6 | 0.0000223360765 | 0.4352 | AML | other | m | 2020-09-27T21:12:31.45 |
GU.POPM.HHE. | ML:0.7 | 0.00002246148 | 0.1408 | AML | other | m | 2020-09-27T21:12:34.55 |
GU.POPM.HHN. | ML:0.7 | 0.000021836025 | 0.1792 | AML | other | m | 2020-09-27T21:12:33.86 |