A magnitude ML 1.3 earthquake occured in region: 6 km NE Vecchiano (PI), on
and geographic coordinates (lat, lon) 43.8340, 10.4190 at 10 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 | 6 | 12189 | 12189 |
Lucca | LU | 7 | 89046 | 101235 |
Massarosa | LU | 7 | 22471 | 123706 |
San Giuliano Terme | PI | 8 | 31399 | 155105 |
Capannori | LU | 13 | 46252 | 201357 |
Pisa | PI | 13 | 89158 | 290515 |
Viareggio | LU | 14 | 62467 | 352982 |
Calci | PI | 14 | 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 |
Vicopisano | PI | 20 | 8559 | 425636 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.3 | 2021-10-31 01:39:49 |
43.8342 | 10.4193 | 10 | 2022-03-30 13:04:38 |
Bollettino Sismico Italiano INGV | 101080041 |
Reviewed Rev100 |
ML 1.3 | 2021-10-31 01:39:49 |
43.8292 | 10.3895 | 10 | 2021-10-31 01:46:19 |
Sala Sismica INGV-Roma | 97101441 |
Field | Value |
---|---|
Time (UTC) | 2021-10-31 01:39:49 ± 0.14 |
Latitude | 43.8342 ± 0.0072 |
Longitude | 10.4193 ± 0.0112 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 101080041 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 950 |
Semi-minor axis of confidence ellipse (meter) | 583 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 61 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 950.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 135 |
Number of associated phases, regardless of their use for origin computation | 23 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.34 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.70327 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 101080041 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-02-17 11:51:37 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 97101441 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-31 01:46:19 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.BLLA.EHZ. | 2021-10-31T01:40:18.42 | 3.0 | negative | manual | Pn | 2.71 | 0 | |||
IV.MPPT.EHZ. | 2021-10-31T01:40:07.48 | 0.6 | undecidable | manual | S | 75 | 55.3002 | 50 | 0.24 | 46 |
IV.PLMA.HHE. | 2021-10-31T01:40:06.96 | 0.6 | undecidable | manual | S | 298 | 51.1155 | 50 | 0.85 | 38 |
IV.CRMI.HHZ. | 2021-10-31T01:40:04.25 | 0.6 | undecidable | manual | S | 95 | 45.0216 | 50 | -0.24 | 47 |
GU.GRAM.HHZ. | 2021-10-31T01:40:03.81 | 0.3 | undecidable | manual | P | 339 | 78.0663 | 50 | 0.45 | 63 |
GU.POPM.HHZ. | 2021-10-31T01:40:02.55 | 0.6 | undecidable | manual | S | 49 | 35.6421 | 50 | 0.56 | 44 |
GU.SARM.EHE. | 2021-10-31T01:40:02.46 | 0.6 | undecidable | manual | S | 358 | 38.8278 | 50 | -0.37 | 46 |
GU.EQUI.HHE. | 2021-10-31T01:40:02.16 | 0.6 | undecidable | manual | S | 330 | 42.5241 | 50 | -1.65 | 25 |
IV.MAGO.CHE. | 2021-10-31T01:40:01.55 | 0.3 | undecidable | manual | P | 163 | 65.0904 | 50 | 0.19 | 68 |
IV.MPPT.EHZ. | 2021-10-31T01:39:59.92 | 0.1 | undecidable | manual | P | 75 | 55.3002 | 50 | 0.06 | 95 |
IV.PLMA.HHE. | 2021-10-31T01:39:59.56 | 0.3 | undecidable | manual | P | 298 | 51.1155 | 50 | 0.35 | 68 |
IV.BDI.HHZ. | 2021-10-31T01:39:59.94 | 0.6 | undecidable | manual | S | 29 | 28.9488 | 50 | -0.27 | 48 |
IV.CRMI.HHZ. | 2021-10-31T01:39:58.35 | 0.3 | undecidable | manual | P | 95 | 45.0216 | 50 | 0.08 | 72 |
GU.EQUI.HHE. | 2021-10-31T01:39:57.34 | 0.3 | undecidable | manual | P | 330 | 42.5241 | 50 | -0.54 | 66 |
GU.CARD.HHZ. | 2021-10-31T01:39:57.76 | 0.6 | undecidable | manual | S | 13 | 21.867 | 115 | -0.35 | 47 |
GU.SARM.EHE. | 2021-10-31T01:39:57.09 | 0.3 | undecidable | manual | P | 358 | 38.8278 | 50 | -0.22 | 71 |
GU.POPM.HHZ. | 2021-10-31T01:39:56.87 | 0.1 | positive | manual | P | 49 | 35.6421 | 50 | 0.05 | 99 |
GU.MAIM.HHZ. | 2021-10-31T01:39:55.21 | 0.6 | undecidable | manual | S | 33 | 10.4784 | 134 | 0.41 | 48 |
IV.BDI.HHZ. | 2021-10-31T01:39:55.73 | 0.1 | undecidable | manual | P | 29 | 28.9488 | 50 | -0.06 | 100 |
IV.PII.HHZ. | 2021-10-31T01:39:55.41 | 0.6 | undecidable | manual | S | 146 | 15.0738 | 124 | -0.63 | 44 |
GU.CARD.HHZ. | 2021-10-31T01:39:54.47 | 0.3 | undecidable | manual | P | 13 | 21.867 | 115 | -0.12 | 75 |
GU.MAIM.HHZ. | 2021-10-31T01:39:53.09 | 0.1 | undecidable | manual | P | 33 | 10.4784 | 134 | 0.42 | 95 |
IV.PII.HHZ. | 2021-10-31T01:39:53.23 | 0.1 | undecidable | manual | P | 146 | 15.0738 | 124 | -0.16 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.MAIM.HHE. | ML:1.0 | 0.000121115585 | 0.14 | AML | other | m | 2021-10-31T01:39:55.45 |
GU.MAIM.HHN. | ML:1.2 | 0.00018726465 | 0.08 | AML | other | m | 2021-10-31T01:39:55.61 |
IV.PII.HHN. | ML:1.7 | 0.00044631665 | 0.14 | AML | other | m | 2021-10-31T01:39:55.76 |
IV.PII.HHE. | ML:1.6 | 0.0004192043 | 0.12 | AML | other | m | 2021-10-31T01:39:55.92 |
GU.CARD.HHE. | ML:1.4 | 0.000169 | 0.18 | AML | other | m | 2021-10-31T01:39:57.87 |
GU.CARD.HHN. | ML:1.3 | 0.0001343394 | 0.08 | AML | other | m | 2021-10-31T01:39:58.64 |
IV.BDI.HHN. | ML:0.8 | 0.000034535789999999995 | 0.18 | AML | other | m | 2021-10-31T01:40:01.50 |
IV.BDI.HHE. | ML:0.8 | 0.000033627225 | 0.26 | AML | other | m | 2021-10-31T01:40:01.71 |
GU.POPM.HHE. | ML:1.1 | 0.000052221260000000005 | 0.22 | AML | other | m | 2021-10-31T01:40:03.66 |
GU.POPM.HHN. | ML:1.1 | 0.000043627635 | 0.24 | AML | other | m | 2021-10-31T01:40:04.90 |
IV.BDI.HNE. | ML:1.4 | 0.00013212852 | 1.22 | AML | other | m | 2021-10-31T01:40:06.07 |
IV.CRMI.HNN. | ML:1.9 | 0.00021809221300000001 | 0.7496 | AML | other | m | 2021-10-31T01:40:07.35 |
IV.CRMI.HNE. | ML:1.7 | 0.00013979114999999997 | 0.7304 | AML | other | m | 2021-10-31T01:40:10.44 |
IV.CRMI.HHE. | ML:1.0 | 0.000027702535 | 0.6 | AML | other | m | 2021-10-31T01:40:10.62 |
GU.GRAM.HHE. | ML:1.5 | 0.000052164975000000004 | 0.24 | AML | other | m | 2021-10-31T01:40:10.83 |
IV.BDI.HNN. | ML:1.3 | 0.00011122865 | 0.7608 | AML | other | m | 2021-10-31T01:40:12.88 |
IV.MPPT.EHE. | ML:1.3 | 0.00004825006499999999 | 0.32 | AML | other | m | 2021-10-31T01:40:14.93 |
IV.CRMI.HHN. | ML:1.2 | 0.000052345959999999994 | 0.76 | AML | other | m | 2021-10-31T01:40:15.81 |
GU.GRAM.HHN. | ML:1.5 | 0.000051153045 | 0.48 | AML | other | m | 2021-10-31T01:40:21.33 |
IV.MPPT.EHN. | ML:1.1 | 0.000031887294999999995 | 0.16 | AML | other | m | 2021-10-31T01:40:25.83 |