A magnitude ML 1.3 earthquake occured in region: 8 km SE Viareggio (LU), on
and geographic coordinates (lat, lon) 43.8020, 10.2900 at 8 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 | 8 | 12189 | 74656 |
Massarosa | LU | 9 | 22471 | 97127 |
San Giuliano Terme | PI | 13 | 31399 | 128526 |
Pisa | PI | 13 | 89158 | 217684 |
Camaiore | LU | 15 | 32513 | 250197 |
Lucca | LU | 18 | 89046 | 339243 |
Pietrasanta | LU | 18 | 24007 | 363250 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.3 | 2022-02-06 05:51:55 |
43.8017 | 10.2897 | 8 | 2022-07-08 12:33:51 |
Bollettino Sismico Italiano INGV | 103931491 |
Reviewed Rev100 |
ML 1.3 | 2022-02-06 05:51:55 |
43.8012 | 10.3007 | 10 | 2022-02-06 06:08:25 |
Sala Sismica INGV-Roma | 100644701 |
Field | Value |
---|---|
Time (UTC) | 2022-02-06 05:51:55 ± 0.25 |
Latitude | 43.8017 ± 0.0090 |
Longitude | 10.2897 ± 0.0162 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 103931491 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1253 |
Semi-minor axis of confidence ellipse (meter) | 943 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 90 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1250.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 155 |
Number of associated phases, regardless of their use for origin computation | 21 |
Number of defining phases | 21 |
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) | 0.18346 |
Epicentral distance of station farthest from the epicenter (degree) | 0.62413 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 100644701 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2022-02-06 06:08:25 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 103931491 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2022-04-29 09:50:23 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ERBM.EHE. | 2022-02-06T05:52:17.94 | 0.6 | undecidable | manual | S | 8 | 69.2751 | 50 | 0.74 | 38 |
GU.GSCL.HHN. | 2022-02-06T05:52:16.48 | 0.6 | undecidable | manual | S | 21 | 65.3901 | 50 | 0.31 | 44 |
GU.POPM.HHZ. | 2022-02-06T05:52:11.11 | 0.6 | undecidable | manual | S | 54 | 46.1205 | 50 | 0.09 | 47 |
GU.SARM.EHN. | 2022-02-06T05:52:09.92 | 0.6 | undecidable | manual | S | 12 | 43.3233 | 50 | -0.37 | 45 |
IV.ERBM.EHE. | 2022-02-06T05:52:09.04 | 0.3 | undecidable | manual | P | 8 | 69.2751 | 50 | 1 | 51 |
GU.GSCL.HHN. | 2022-02-06T05:52:08.16 | 0.3 | undecidable | manual | P | 21 | 65.3901 | 50 | 0.71 | 58 |
IV.BDI.HHZ. | 2022-02-06T05:52:08.31 | 0.3 | undecidable | manual | S | 40 | 37.9287 | 50 | -0.53 | 65 |
GU.EQUI.HHZ. | 2022-02-06T05:52:08.50 | 0.3 | undecidable | manual | S | 345 | 41.8248 | 50 | -1.4 | 43 |
IV.MAGO.CHE. | 2022-02-06T05:52:07.41 | 0.3 | undecidable | manual | P | 153 | 65.6898 | 50 | -0.08 | 69 |
IV.CRMI.HNN. | 2022-02-06T05:52:06.41 | 0.3 | undecidable | manual | P | 90 | 55.2003 | 50 | 0.53 | 64 |
GU.CARD.HHZ. | 2022-02-06T05:52:05.79 | 0.3 | undecidable | manual | S | 32 | 29.2485 | 105 | -0.24 | 71 |
IV.PLMA.HHZ. | 2022-02-06T05:52:04.25 | 0.3 | undecidable | manual | P | 308 | 44.4222 | 50 | 0.04 | 72 |
GU.SARM.EHN. | 2022-02-06T05:52:04.24 | 0.3 | undecidable | manual | P | 12 | 43.3233 | 50 | 0.19 | 70 |
GU.POPM.HHZ. | 2022-02-06T05:52:04.53 | 0.3 | undecidable | manual | P | 54 | 46.1205 | 50 | 0.06 | 72 |
GU.EQUI.HHZ. | 2022-02-06T05:52:03.42 | 0.1 | undecidable | manual | P | 345 | 41.8248 | 50 | -0.4 | 90 |
IV.BDI.HHZ. | 2022-02-06T05:52:03.03 | 0.1 | undecidable | manual | P | 40 | 37.9287 | 50 | -0.18 | 95 |
GU.MAIM.HHZ. | 2022-02-06T05:52:03.13 | 0.3 | undecidable | manual | S | 52 | 20.3685 | 111 | 0.05 | 75 |
IV.PII.HHZ. | 2022-02-06T05:52:02.64 | 0.3 | undecidable | manual | S | 115 | 20.868 | 110 | -0.59 | 66 |
GU.CARD.HHZ. | 2022-02-06T05:52:01.63 | 0.1 | undecidable | manual | P | 32 | 29.2485 | 105 | 0.04 | 99 |
GU.MAIM.HHZ. | 2022-02-06T05:52:00.25 | 0.1 | undecidable | manual | P | 52 | 20.3685 | 111 | 0.36 | 94 |
IV.PII.HHZ. | 2022-02-06T05:51:59.92 | 0.1 | undecidable | manual | P | 115 | 20.868 | 110 | -0.05 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.PII.HHN. | ML:1.1 | 0.00009645000000000001 | 1.78 | AML | other | m | 2022-02-06T05:52:03.90 |
IV.PII.HHE. | ML:1.1 | 0.00008555 | 1.36 | AML | other | m | 2022-02-06T05:52:03.94 |
GU.CARD.HHN. | ML:1.7 | 0.000275 | 0.58 | AML | other | m | 2022-02-06T05:52:06.61 |
GU.CARD.HHE. | ML:1.6 | 0.0001825 | 0.48 | AML | other | m | 2022-02-06T05:52:06.96 |
IV.BDI.HHN. | ML:1.2 | 0.00006185 | 1.54 | AML | other | m | 2022-02-06T05:52:09.92 |
IV.BDI.HHE. | ML:1.2 | 0.00005405 | 1.52 | AML | other | m | 2022-02-06T05:52:09.93 |
GU.POPM.HHN. | ML:1.3 | 0.00005255 | 0.44 | AML | other | m | 2022-02-06T05:52:12.41 |
GU.POPM.HHE. | ML:1.1 | 0.000041800000000000006 | 0.54 | AML | other | m | 2022-02-06T05:52:13.08 |