A magnitude ML 0.8 earthquake occured in region: 5 km S Viareggio (LU), on
and geographic coordinates (lat, lon) 43.8260, 10.2580 at 8 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 |
---|---|---|---|---|
Viareggio | LU | 5 | 62467 | 62467 |
Massarosa | LU | 8 | 22471 | 84938 |
Vecchiano | PI | 11 | 12189 | 97127 |
Camaiore | LU | 13 | 32513 | 129640 |
Pietrasanta | LU | 15 | 24007 | 153647 |
San Giuliano Terme | PI | 16 | 31399 | 185046 |
Forte dei Marmi | LU | 17 | 7510 | 192556 |
Pisa | PI | 17 | 89158 | 281714 |
Seravezza | LU | 19 | 13073 | 294787 |
Stazzema | LU | 19 | 3193 | 297980 |
Lucca | LU | 20 | 89046 | 387026 |
Pescaglia | LU | 20 | 3526 | 390552 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2023-12-15 03:44:50 |
43.8263 | 10.2585 | 8 | 2023-12-15 03:51:55 |
Sala Sismica INGV-Roma | 124030671 |
Field | Value |
---|---|
Time (UTC) | 2023-12-15 03:44:50 ± 0.21 |
Latitude | 43.8263 ± 0.0063 |
Longitude | 10.2585 ± 0.0112 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 124030671 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 985 |
Semi-minor axis of confidence ellipse (meter) | 521 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 67 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 980.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 229 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.18886 |
Epicentral distance of station farthest from the epicenter (degree) | 0.52071 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 124030671 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2023-12-15 03:51:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CRMI.HNN. | 2023-12-15T03:45:08.53 | 0.1 | undecidable | manual | S | 93 | 57.7977 | 50 | 0.02 | 94 |
GU.EQUI.HHZ. | 2023-12-15T03:45:03.18 | 0.1 | undecidable | manual | S | 347 | 38.628 | 50 | -0.21 | 93 |
GU.SARM.EHE. | 2023-12-15T03:45:03.68 | 0.1 | undecidable | manual | S | 16 | 41.2254 | 50 | -0.42 | 89 |
IV.BDI.HHZ. | 2023-12-15T03:45:03.26 | 0.1 | undecidable | manual | S | 46 | 37.629 | 50 | 0.14 | 95 |
IV.CRMI.HNN. | 2023-12-15T03:45:01.03 | 0.1 | undecidable | manual | P | 93 | 57.7977 | 50 | 0.33 | 88 |
GU.CARD.HHZ. | 2023-12-15T03:45:00.28 | 0.1 | undecidable | manual | S | 39 | 28.4493 | 106 | -0.04 | 98 |
IV.PII.HHZ. | 2023-12-15T03:44:58.42 | 0.3 | undecidable | manual | S | 118 | 24.2535 | 109 | -0.52 | 67 |
GU.SARM.EHE. | 2023-12-15T03:44:58.42 | 0.1 | undecidable | manual | P | 16 | 41.2254 | 50 | 0.27 | 92 |
GU.MAIM.HHZ. | 2023-12-15T03:44:57.84 | 0.1 | undecidable | manual | S | 63 | 20.9679 | 112 | -0.02 | 100 |
IV.BDI.HHZ. | 2023-12-15T03:44:57.58 | 1.0 | positive | manual | P | 46 | 37.629 | 50 | 0 | 24 |
GU.EQUI.HHZ. | 2023-12-15T03:44:57.70 | 0.6 | undecidable | manual | P | 347 | 38.628 | 50 | -0.04 | 48 |
GU.CARD.HHZ. | 2023-12-15T03:44:56.08 | 0.1 | negative | manual | P | 39 | 28.4493 | 106 | 0.11 | 97 |
IV.PII.HHZ. | 2023-12-15T03:44:55.08 | 0.1 | positive | manual | P | 118 | 24.2535 | 109 | -0.09 | 98 |
GU.MAIM.HHZ. | 2023-12-15T03:44:54.85 | 0.1 | positive | manual | P | 63 | 20.9679 | 112 | 0.3 | 94 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.CARD.HHN. | ML:1.2 | 0.00009169313500000001 | 0.0992 | AML | other | m | 2023-12-15T03:45:00.64 |
GU.CARD.HHE. | ML:1.3 | 0.000096701225 | 0.08 | AML | other | m | 2023-12-15T03:45:00.65 |
GU.MAIM.HHE. | ML:0.5 | 0.000024423415000000002 | 0.16 | AML | other | m | 2023-12-15T03:44:58.39 |
GU.MAIM.HHN. | ML:0.6 | 0.00002820083 | 0.32 | AML | other | m | 2023-12-15T03:44:58.51 |
IV.PII.HHE. | ML:0.6 | 0.000025332460000000002 | 0.24 | AML | other | m | 2023-12-15T03:44:58.49 |
IV.PII.HHN. | ML:0.6 | 0.000026245154999999998 | 0.32 | AML | other | m | 2023-12-15T03:44:58.33 |
IV.BDI.HHE. | ML:0.8 | 0.000023862870000000003 | 0.1792 | AML | other | m | 2023-12-15T03:45:03.36 |
IV.BDI.HHN. | ML:0.7 | 0.000022007660499999998 | 0.1216 | AML | other | m | 2023-12-15T03:45:04.46 |