A magnitude ML 1.2 earthquake occured in region: 4 km N Vecchiano (PI), on
and geographic coordinates (lat, lon) 43.8190, 10.3870 at 11 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 |
---|---|---|---|---|
Vecchiano | PI | 4 | 12189 | 12189 |
Massarosa | LU | 7 | 22471 | 34660 |
San Giuliano Terme | PI | 8 | 31399 | 66059 |
Lucca | LU | 10 | 89046 | 155105 |
Pisa | PI | 12 | 89158 | 244263 |
Viareggio | LU | 12 | 62467 | 306730 |
Calci | PI | 15 | 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 |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.2 | 2021-09-13 21:56:46 |
43.819 | 10.3872 | 11 | 2022-03-30 13:04:39 |
Bollettino Sismico Italiano INGV | 101554261 |
Reviewed Rev100 |
ML 1.4 | 2021-09-13 21:56:46 |
43.836 | 10.3947 | 11 | 2021-09-13 22:02:16 |
Sala Sismica INGV-Roma | 95396131 |
Field | Value |
---|---|
Time (UTC) | 2021-09-13 21:56:46 ± 0.14 |
Latitude | 43.8190 ± 0.0063 |
Longitude | 10.3872 ± 0.0100 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 101554261 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 889 |
Semi-minor axis of confidence ellipse (meter) | 482 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 236 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 890.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 141 |
Number of associated phases, regardless of their use for origin computation | 31 |
Number of defining phases | 27 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.32 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.70956 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.6 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 95396131 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-13 22:02:16 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 101554261 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-02-28 18:15:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TST02.HHZ. | 2021-09-13T21:58:34.28 | 3.0 | undecidable | manual | Sg | 11.76 | 0 | |||
IV.RMP.HHZ. | 2021-09-13T21:58:10.89 | 3.0 | undecidable | manual | Sg | 9.16 | 0 | |||
GU.MGRO.HHZ. | 2021-09-13T21:57:43.45 | 3.0 | undecidable | manual | Sn | -0.29 | 0 | |||
IV.CADC.EHZ. | 2021-09-13T21:57:16.84 | 3.0 | negative | manual | Pg | 0.97 | 0 | |||
GU.GRAM.HHZ. | 2021-09-13T21:57:10.48 | 0.6 | undecidable | manual | S | 341 | 78.7656 | 50 | 0.6 | 40 |
IV.MOCL.EHZ. | 2021-09-13T21:57:06.61 | 0.6 | undecidable | manual | S | 72 | 66.6777 | 50 | -0.04 | 47 |
IV.MAGO.CHE. | 2021-09-13T21:57:05.54 | 0.6 | undecidable | manual | S | 160 | 64.2912 | 50 | -0.48 | 43 |
GU.GSCL.HHZ. | 2021-09-13T21:57:05.42 | 0.6 | undecidable | manual | S | 15 | 61.0944 | 50 | 0.26 | 45 |
IV.MPPT.EHZ. | 2021-09-13T21:57:04.26 | 0.6 | undecidable | manual | S | 74 | 58.2972 | 50 | -0.15 | 46 |
IV.CRMI.HHZ. | 2021-09-13T21:57:01.36 | 0.6 | undecidable | manual | S | 93 | 47.5191 | 50 | -0.17 | 47 |
GU.GRAM.HHZ. | 2021-09-13T21:57:00.56 | 0.3 | undecidable | manual | P | 341 | 78.7656 | 50 | 0.63 | 59 |
GU.SARM.EHN. | 2021-09-13T21:56:59.35 | 0.6 | undecidable | manual | S | 2 | 40.5261 | 50 | -0.31 | 46 |
GU.POPM.HHZ. | 2021-09-13T21:56:59.11 | 0.6 | undecidable | manual | S | 50 | 38.7279 | 50 | -0.08 | 49 |
GU.EQUI.HHZ. | 2021-09-13T21:56:59.14 | 0.3 | undecidable | manual | S | 334 | 42.8238 | 50 | -1.13 | 50 |
IV.MOCL.EHZ. | 2021-09-13T21:56:58.89 | 0.6 | undecidable | manual | P | 72 | 66.6777 | 50 | 0.81 | 37 |
IV.MAGO.CHE. | 2021-09-13T21:56:58.31 | 0.3 | undecidable | manual | P | 160 | 64.2912 | 50 | 0.6 | 61 |
GU.GSCL.HHZ. | 2021-09-13T21:56:57.87 | 0.3 | undecidable | manual | P | 15 | 61.0944 | 50 | 0.65 | 60 |
IV.BDI.HHZ. | 2021-09-13T21:56:57.28 | 0.6 | undecidable | manual | S | 32 | 31.746 | 50 | -0.05 | 50 |
IV.MPPT.EHZ. | 2021-09-13T21:56:56.90 | 0.3 | undecidable | manual | P | 74 | 58.2972 | 50 | 0.12 | 70 |
IV.PLMA.HHZ. | 2021-09-13T21:56:55.51 | 0.3 | undecidable | manual | P | 301 | 49.7169 | 50 | 0.05 | 72 |
IV.CRMI.HHZ. | 2021-09-13T21:56:55.34 | 0.3 | undecidable | manual | P | 93 | 47.5191 | 50 | 0.23 | 70 |
GU.CARD.HHZ. | 2021-09-13T21:56:54.75 | 0.6 | undecidable | manual | S | 18 | 24.1536 | 50 | -0.56 | 45 |
GU.EQUI.HHZ. | 2021-09-13T21:56:54.13 | 0.1 | undecidable | manual | P | 334 | 42.8238 | 50 | -0.26 | 93 |
GU.SARM.EHN. | 2021-09-13T21:56:53.97 | 0.1 | undecidable | manual | P | 2 | 40.5261 | 50 | -0.07 | 97 |
GU.POPM.HHZ. | 2021-09-13T21:56:53.83 | 0.1 | positive | manual | P | 50 | 38.7279 | 50 | 0.06 | 98 |
IV.BDI.HHZ. | 2021-09-13T21:56:52.69 | 0.1 | undecidable | manual | P | 32 | 31.746 | 50 | 0 | 100 |
IV.PII.HHZ. | 2021-09-13T21:56:52.23 | 0.6 | undecidable | manual | S | 134 | 15.4734 | 125 | -0.69 | 43 |
GU.MAIM.HHZ. | 2021-09-13T21:56:52.22 | 0.6 | undecidable | manual | S | 39 | 13.3755 | 129 | -0.14 | 50 |
GU.CARD.HHZ. | 2021-09-13T21:56:51.42 | 0.1 | positive | manual | P | 18 | 24.1536 | 50 | -0.1 | 99 |
GU.MAIM.HHZ. | 2021-09-13T21:56:50.07 | 0.1 | undecidable | manual | P | 39 | 13.3755 | 129 | 0.25 | 98 |
IV.PII.HHZ. | 2021-09-13T21:56:49.99 | 0.1 | undecidable | manual | P | 134 | 15.4734 | 125 | -0.16 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.MAIM.HHN. | ML:1.5 | 0.0003035 | 0.52 | AML | other | m | 2021-09-13T21:56:52.63 |
GU.MAIM.HHE. | ML:1.3 | 0.0002185 | 0.16 | AML | other | m | 2021-09-13T21:56:52.51 |
GU.CARD.HHE. | ML:1.4 | 0.00015099999999999998 | 0.2 | AML | other | m | 2021-09-13T21:56:54.74 |
GU.CARD.HHN. | ML:1.5 | 0.000186 | 0.1 | AML | other | m | 2021-09-13T21:56:55.53 |
IV.BDI.HHN. | ML:1.1 | 0.000055599999999999996 | 0.4 | AML | other | m | 2021-09-13T21:56:58.26 |
IV.BDI.HHE. | ML:1.0 | 0.00004 | 1.42 | AML | other | m | 2021-09-13T21:56:58.75 |
GU.POPM.HHN. | ML:1.2 | 0.000055 | 1.28 | AML | other | m | 2021-09-13T21:57:00.22 |
GU.POPM.HHE. | ML:1.1 | 0.0000433 | 0.18 | AML | other | m | 2021-09-13T21:57:00.57 |
IV.MPPT.EHE. | ML:1.0 | 0.0000224 | 0.56 | AML | other | m | 2021-09-13T21:57:07.34 |
IV.MPPT.EHN. | ML:1.0 | 0.000021649999999999998 | 1.32 | AML | other | m | 2021-09-13T21:57:08.05 |