A magnitude ML 1.2 earthquake occured in region: 4 km N Vecchiano (PI), on
and geographic coordinates (lat, lon) 43.8150, 10.3880 at 11 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 | 4 | 12189 | 12189 |
Massarosa | LU | 7 | 22471 | 34660 |
San Giuliano Terme | PI | 7 | 31399 | 66059 |
Lucca | LU | 10 | 89046 | 155105 |
Pisa | PI | 11 | 89158 | 244263 |
Viareggio | LU | 13 | 62467 | 306730 |
Calci | PI | 14 | 6426 | 313156 |
Camaiore | LU | 15 | 32513 | 345669 |
Capannori | LU | 16 | 46252 | 391921 |
Pescaglia | LU | 17 | 3526 | 395447 |
Porcari | LU | 19 | 8845 | 404292 |
Buti | PI | 19 | 5791 | 410083 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-10-30 05:24:36 |
43.8147 | 10.3878 | 11 | 2021-10-30 05:30:33 |
Sala Sismica INGV-Roma | 97078441 |
Field | Value |
---|---|
Time (UTC) | 2021-10-30 05:24:36 ± 0.13 |
Latitude | 43.8147 ± 0.0018 |
Longitude | 10.3878 ± 0.0037 |
Depth (km) | 11 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 97078441 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 290 |
Semi-minor axis of confidence ellipse (meter) | 140 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 251 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 290.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 169 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.33 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.45056 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 97078441 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-30 05:30:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MTGR.HHZ. | 2021-10-30T05:26:10.29 | 3.0 | undecidable | manual | Pn | 3.69 | 0 | |||
IV.PZUN.HHZ. | 2021-10-30T05:26:09.64 | 3.0 | positive | manual | Pg | 17.4 | 0 | |||
OT.OT17.EHZ. | 2021-10-30T05:25:50.06 | 3.0 | positive | manual | Pg | 9.88 | 0 | |||
IV.PIGN.HHZ. | 2021-10-30T05:25:46.41 | 3.0 | undecidable | manual | Pg | 11.9 | 0 | |||
IV.ICAI.EHZ. | 2021-10-30T05:25:44.17 | 3.0 | positive | manual | Pn | 6.47 | 0 | |||
IV.ROM9.HNZ. | 2021-10-30T05:25:15.26 | 3.0 | negative | manual | Pn | -1.29 | 0 | |||
IV.ZEN8.EHZ. | 2021-10-30T05:25:06.51 | 3.0 | undecidable | manual | Pn | -0.51 | 0 | |||
IV.ATMI.HHZ. | 2021-10-30T05:25:03.48 | 3.0 | positive | manual | Pn | 1.62 | 0 | |||
GU.SARM.EHE. | 2021-10-30T05:24:50.11 | 0.3 | undecidable | manual | S | 1 | 41.0256 | 90 | -0.1 | 71 |
GU.EQUI.HHZ. | 2021-10-30T05:24:50.01 | 0.3 | undecidable | manual | S | 334 | 43.2234 | 90 | -0.81 | 57 |
IV.BDI.HHZ. | 2021-10-30T05:24:47.76 | 0.3 | undecidable | manual | S | 31 | 32.1456 | 90 | -0.09 | 73 |
GU.CARD.HHZ. | 2021-10-30T05:24:45.37 | 0.3 | undecidable | manual | S | 18 | 24.6531 | 90 | -0.48 | 68 |
IV.PLMA.HHZ. | 2021-10-30T05:24:45.56 | 1.0 | undecidable | manual | P | 302 | 50.0166 | 90 | -0.38 | 22 |
GU.SARM.EHE. | 2021-10-30T05:24:44.87 | 0.3 | undecidable | manual | P | 1 | 41.0256 | 90 | 0.32 | 66 |
GU.EQUI.HHZ. | 2021-10-30T05:24:44.97 | 0.3 | undecidable | manual | P | 334 | 43.2234 | 90 | 0.07 | 70 |
GU.POPM.HHZ. | 2021-10-30T05:24:44.56 | 3.0 | negative | manual | P | -0.03 | 0 | |||
IV.BDI.HHZ. | 2021-10-30T05:24:43.44 | 0.6 | undecidable | manual | P | 31 | 32.1456 | 90 | 0.26 | 45 |
GU.CARD.HHZ. | 2021-10-30T05:24:42.19 | 0.1 | positive | manual | P | 18 | 24.6531 | 90 | 0.16 | 94 |
IV.PII.HHZ. | 2021-10-30T05:24:42.89 | 0.1 | undecidable | manual | S | 133 | 15.0738 | 90 | -0.39 | 95 |
GU.MAIM.HHZ. | 2021-10-30T05:24:42.84 | 0.1 | undecidable | manual | S | 37 | 13.6752 | 91 | -0.09 | 100 |
GU.MAIM.HHZ. | 2021-10-30T05:24:40.73 | 0.1 | negative | manual | P | 37 | 13.6752 | 91 | 0.39 | 91 |
IV.PII.HHZ. | 2021-10-30T05:24:40.72 | 0.1 | undecidable | manual | P | 133 | 15.0738 | 90 | 0.17 | 95 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.MAIM.HHN. | ML:1.1 | 0.00013700000000000002 | 1.46 | AML | other | m | 2021-10-30T05:24:42.24 |
GU.MAIM.HHE. | ML:1.1 | 0.0001285 | 0.18 | AML | other | m | 2021-10-30T05:24:43.11 |
IV.PII.HHN. | ML:1.6 | 0.00037 | 0.12 | AML | other | m | 2021-10-30T05:24:43.29 |
IV.PII.HHE. | ML:1.6 | 0.00040449999999999997 | 0.28 | AML | other | m | 2021-10-30T05:24:43.44 |
GU.CARD.HHE. | ML:1.2 | 0.00010005 | 0.26 | AML | other | m | 2021-10-30T05:24:45.52 |
GU.CARD.HHN. | ML:1.2 | 0.0001012 | 1.06 | AML | other | m | 2021-10-30T05:24:46.07 |
IV.BDI.HHN. | ML:0.8 | 0.0000286 | 1.5 | AML | other | m | 2021-10-30T05:24:48.16 |
IV.BDI.HHE. | ML:0.8 | 0.000029899999999999995 | 1.06 | AML | other | m | 2021-10-30T05:24:49.24 |