A magnitude ML 1.3 earthquake occured in region: 8 km SE Viareggio (LU), on
and geographic coordinates (lat, lon) 43.8010, 10.2810 at 6 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 |
---|---|---|---|---|
Viareggio | LU | 8 | 62467 | 62467 |
Vecchiano | PI | 9 | 12189 | 74656 |
Massarosa | LU | 9 | 22471 | 97127 |
Pisa | PI | 14 | 89158 | 186285 |
San Giuliano Terme | PI | 14 | 31399 | 217684 |
Camaiore | LU | 16 | 32513 | 250197 |
Pietrasanta | LU | 18 | 24007 | 274204 |
Lucca | LU | 18 | 89046 | 363250 |
Forte dei Marmi | LU | 20 | 7510 | 370760 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.3 | 2022-02-06 04:40:42 |
43.8007 | 10.2813 | 6 | 2022-07-08 12:33:51 |
Bollettino Sismico Italiano INGV | 103931421 |
Reviewed Rev100 |
ML 1.4 | 2022-02-06 04:40:42 |
43.7987 | 10.2997 | 8 | 2022-02-06 04:47:59 |
Sala Sismica INGV-Roma | 100644331 |
Field | Value |
---|---|
Time (UTC) | 2022-02-06 04:40:42 ± 0.24 |
Latitude | 43.8007 ± 0.0081 |
Longitude | 10.2813 ± 0.0150 |
Depth (km) | 6 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 103931421 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1143 |
Semi-minor axis of confidence ellipse (meter) | 673 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 70 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1140.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 156 |
Number of associated phases, regardless of their use for origin computation | 31 |
Number of defining phases | 28 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.41 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.82018 |
Number of stations at which the event was observed | 20 |
Number of stations from which data was used for origin computation | 17 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.4 |
Num. used stations | 18 |
Type of magnitude | ML |
Reference to an origin | 100644331 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-02-06 04:47:59 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 103931421 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-04-29 09:47:54 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MBAL.EHZ. | 2022-02-06T04:41:43.90 | 3.0 | undecidable | manual | Sg | 0.51 | 0 | |||
IV.MNTT.EHZ. | 2022-02-06T04:41:30.24 | 3.0 | positive | manual | Pg | 4.26 | 0 | |||
IV.VARE.HHZ. | 2022-02-06T04:41:24.04 | 3.0 | negative | manual | Pg | 1.62 | 0 | |||
GU.GRAM.HHZ. | 2022-02-06T04:41:08.02 | 0.6 | undecidable | manual | S | 347 | 78.4659 | 50 | 1.03 | 33 |
IV.MOCL.EHZ. | 2022-02-06T04:41:07.41 | 0.6 | undecidable | manual | S | 72 | 75.369 | 50 | 1.23 | 30 |
IV.ERBM.EHZ. | 2022-02-06T04:41:05.22 | 0.6 | undecidable | manual | S | 9 | 69.4749 | 50 | 0.63 | 40 |
IV.CRMI.HHZ. | 2022-02-06T04:41:00.35 | 0.6 | undecidable | manual | S | 90 | 55.8996 | 50 | -0.63 | 41 |
IV.SEI.HHZ. | 2022-02-06T04:40:59.15 | 0.6 | undecidable | manual | P | 72 | 90.5427 | 50 | 0.62 | 38 |
IV.CSNT.HHZ. | 2022-02-06T04:40:58.65 | 0.6 | undecidable | manual | P | 114 | 88.7445 | 50 | 0.39 | 41 |
IV.TRIF.CHN. | 2022-02-06T04:40:58.33 | 0.3 | undecidable | manual | P | 146 | 91.0422 | 50 | -0.28 | 63 |
GU.GRAM.HHZ. | 2022-02-06T04:40:57.21 | 0.1 | undecidable | manual | P | 347 | 78.4659 | 50 | 0.55 | 81 |
GU.POPM.HHZ. | 2022-02-06T04:40:57.73 | 0.6 | undecidable | manual | S | 54 | 46.7199 | 50 | -0.78 | 39 |
IV.OSSC.HHE. | 2022-02-06T04:40:57.84 | 0.3 | undecidable | manual | P | 111 | 83.25 | 50 | 0.43 | 62 |
GU.SARM.EHZ. | 2022-02-06T04:40:56.35 | 0.6 | undecidable | manual | S | 13 | 43.623 | 50 | -1.34 | 30 |
GU.EQUI.HHZ. | 2022-02-06T04:40:56.00 | 0.6 | undecidable | manual | S | 346 | 41.8248 | 50 | -1.21 | 32 |
IV.MOCL.EHZ. | 2022-02-06T04:40:56.35 | 0.3 | undecidable | manual | P | 72 | 75.369 | 50 | 0.16 | 67 |
IV.ERBM.EHZ. | 2022-02-06T04:40:55.95 | 0.1 | undecidable | manual | P | 9 | 69.4749 | 50 | 0.67 | 78 |
IV.BDI.HHZ. | 2022-02-06T04:40:55.40 | 0.6 | undecidable | manual | S | 41 | 38.4282 | 99 | -0.67 | 41 |
IV.MAGO.CHE. | 2022-02-06T04:40:54.45 | 0.3 | undecidable | manual | P | 153 | 65.8896 | 50 | -0.28 | 66 |
IV.CRMI.HHZ. | 2022-02-06T04:40:53.24 | 0.1 | undecidable | manual | P | 90 | 55.8996 | 50 | 0.05 | 94 |
GU.CARD.HHZ. | 2022-02-06T04:40:52.86 | 0.6 | undecidable | manual | S | 33 | 29.748 | 102 | -0.24 | 47 |
GU.SARM.EHZ. | 2022-02-06T04:40:51.09 | 0.3 | undecidable | manual | P | 13 | 43.623 | 50 | -0.2 | 70 |
GU.POPM.HHZ. | 2022-02-06T04:40:51.74 | 0.1 | undecidable | manual | P | 54 | 46.7199 | 50 | -0.03 | 96 |
IV.PLMA.HHZ. | 2022-02-06T04:40:51.01 | 0.3 | undecidable | manual | P | 309 | 43.9227 | 50 | -0.34 | 68 |
IV.BDI.HHZ. | 2022-02-06T04:40:50.21 | 0.3 | undecidable | manual | P | 41 | 38.4282 | 99 | -0.15 | 71 |
GU.MAIM.HHZ. | 2022-02-06T04:40:50.35 | 0.6 | undecidable | manual | S | 53 | 20.9679 | 107 | 0.2 | 49 |
GU.EQUI.HHZ. | 2022-02-06T04:40:50.50 | 0.1 | undecidable | manual | P | 346 | 41.8248 | 50 | -0.52 | 87 |
IV.PII.HHZ. | 2022-02-06T04:40:49.81 | 0.6 | undecidable | manual | S | 114 | 21.3675 | 107 | -0.49 | 46 |
GU.CARD.HHZ. | 2022-02-06T04:40:48.75 | 0.1 | undecidable | manual | P | 33 | 29.748 | 102 | 0.1 | 98 |
GU.MAIM.HHZ. | 2022-02-06T04:40:47.39 | 0.1 | undecidable | manual | P | 53 | 20.9679 | 107 | 0.45 | 92 |
IV.PII.HHZ. | 2022-02-06T04:40:46.97 | 0.1 | undecidable | manual | P | 114 | 21.3675 | 107 | -0.06 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.PII.HHN. | ML:1.6 | 0.0003085 | 1.8 | AML | other | m | 2022-02-06T04:40:50.99 |
IV.PII.HHE. | ML:1.6 | 0.00032 | 0.32 | AML | other | m | 2022-02-06T04:40:50.03 |
GU.MAIM.HHE. | ML:1.1 | 0.0001008 | 0.28 | AML | other | m | 2022-02-06T04:40:50.93 |
GU.MAIM.HHN. | ML:1.3 | 0.00015 | 0.56 | AML | other | m | 2022-02-06T04:40:51.02 |
GU.CARD.HHE. | ML:1.6 | 0.00020400000000000003 | 1.16 | AML | other | m | 2022-02-06T04:40:53.03 |
GU.CARD.HHN. | ML:1.7 | 0.000262 | 0.14 | AML | other | m | 2022-02-06T04:40:53.27 |
IV.CRMI.HHE. | ML:0.6 | 0.000007984206499999998 | 1.7376 | AML | other | m | 2022-02-06T04:40:56.05 |
IV.BDI.HHN. | ML:1.4 | 0.0000848 | 0.48 | AML | other | m | 2022-02-06T04:40:56.33 |
IV.BDI.HHE. | ML:1.2 | 0.0000589 | 0.44 | AML | other | m | 2022-02-06T04:40:57.99 |
GU.EQUI.HHN. | ML:0.9 | 0.0000249 | 1.08 | AML | other | m | 2022-02-06T04:40:58.22 |
GU.POPM.HHN. | ML:1.5 | 0.0000858 | 0.14 | AML | other | m | 2022-02-06T04:40:58.60 |
GU.POPM.HHE. | ML:1.3 | 0.0000599 | 0.28 | AML | other | m | 2022-02-06T04:41:00.24 |
GU.EQUI.HHE. | ML:0.9 | 0.00002525 | 0.58 | AML | other | m | 2022-02-06T04:41:00.96 |
GU.GRAM.HHE. | ML:1.6 | 0.000053829459999999994 | 0.2208 | AML | other | m | 2022-02-06T04:41:10.19 |
GU.GRAM.HHN. | ML:1.3 | 0.000027945315 | 1.76 | AML | other | m | 2022-02-06T04:41:11.96 |
IV.CRMI.HHN. | ML:0.8 | 0.000016682595 | 0.64 | AML | other | m | 2022-02-06T04:41:17.80 |