A magnitude ML 0.9 earthquake occured in region: 5 km NW Viareggio (LU), on
and geographic coordinates (lat, lon) 43.9070, 10.2170 at 10 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 |
Pietrasanta | LU | 6 | 24007 | 86474 |
Forte dei Marmi | LU | 7 | 7510 | 93984 |
Camaiore | LU | 8 | 32513 | 126497 |
Seravezza | LU | 10 | 13073 | 139570 |
Massarosa | LU | 11 | 22471 | 162041 |
Stazzema | LU | 12 | 3193 | 165234 |
Montignoso | MS | 13 | 10323 | 175557 |
Massa | MS | 16 | 69479 | 245036 |
Pescaglia | LU | 17 | 3526 | 248562 |
Vecchiano | PI | 20 | 12189 | 260751 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2024-04-07 00:04:38 |
43.9072 | 10.2168 | 10 | 2024-04-07 00:11:37 |
Sala Sismica INGV-Roma | 126534761 |
Field | Value |
---|---|
Time (UTC) | 2024-04-07 00:04:38 ± 0.22 |
Latitude | 43.9072 ± 0.0081 |
Longitude | 10.2168 ± 0.0125 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 126534761 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 934 |
Semi-minor axis of confidence ellipse (meter) | 812 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 72 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 930.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 169 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.29 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31386 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 126534761 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2024-04-07 00:11:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.SARM.EHE. | 2024-04-07T00:04:50.19 | 0.3 | undecidable | manual | S | 25 | 34.0437 | 50 | -0.17 | 75 |
IV.BDI.HHZ. | 2024-04-07T00:04:50.86 | 0.3 | undecidable | manual | S | 60 | 34.8429 | 50 | 0.29 | 73 |
IV.PII.HHZ. | 2024-04-07T00:04:49.41 | 0.3 | undecidable | manual | S | 130 | 32.1456 | 50 | -0.44 | 71 |
MN.VLC.HHZ. | 2024-04-07T00:04:49.32 | 0.3 | undecidable | manual | S | 26 | 31.0467 | 50 | -0.25 | 74 |
GU.CARD.HHZ. | 2024-04-07T00:04:47.44 | 0.3 | undecidable | manual | S | 58 | 24.9528 | 112 | -0.42 | 72 |
GU.POPM.HHZ. | 2024-04-07T00:04:47.80 | 3.0 | negative | manual | P | -0.27 | 0 | |||
GU.MAIM.HHZ. | 2024-04-07T00:04:46.66 | 0.3 | undecidable | manual | S | 88 | 21.9669 | 114 | -0.24 | 75 |
MN.VLC.HHZ. | 2024-04-07T00:04:45.25 | 0.3 | undecidable | manual | P | 26 | 31.0467 | 50 | 0.34 | 73 |
IV.PII.HHZ. | 2024-04-07T00:04:45.29 | 0.3 | undecidable | manual | P | 130 | 32.1456 | 50 | 0.22 | 75 |
GU.SARM.EHE. | 2024-04-07T00:04:45.72 | 1.0 | undecidable | manual | P | 25 | 34.0437 | 50 | 0.35 | 24 |
IV.BDI.HHZ. | 2024-04-07T00:04:45.92 | 0.3 | undecidable | manual | P | 60 | 34.8429 | 50 | 0.43 | 71 |
GU.CARD.HHZ. | 2024-04-07T00:04:44.17 | 0.1 | undecidable | manual | P | 58 | 24.9528 | 112 | 0.25 | 100 |
GU.EQUI.HHZ. | 2024-04-07T00:04:44.50 | 0.3 | undecidable | manual | P | 350 | 29.1486 | 50 | -0.12 | 77 |
IV.PLMA.HHZ. | 2024-04-07T00:04:44.87 | 0.3 | undecidable | manual | P | 299 | 33.0447 | 50 | -0.34 | 72 |
GU.MAIM.HHZ. | 2024-04-07T00:04:43.74 | 0.6 | undecidable | manual | P | 88 | 21.9669 | 114 | 0.37 | 49 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.CARD.HHN. | ML:1.1 | 0.00007364999999999999 | 0.28 | AML | other | m | 2024-04-07T00:04:48.21 |
GU.CARD.HHE. | ML:1.0 | 0.00006175 | 0.42 | AML | other | m | 2024-04-07T00:04:49.36 |
IV.BDI.HHE. | ML:1.0 | 0.00003895 | 0.32 | AML | other | m | 2024-04-07T00:04:51.22 |
IV.BDI.HHN. | ML:0.8 | 0.0000262 | 0.56 | AML | other | m | 2024-04-07T00:04:53.04 |
MN.VLC.HHE. | ML:0.6 | 0.000018553960000000003 | 0.1 | AML | other | m | 2024-04-07T00:04:49.59 |
MN.VLC.HHN. | ML:0.8 | 0.00002816031 | 0.14 | AML | other | m | 2024-04-07T00:04:49.52 |
IV.PII.HHE. | ML:0.9 | 0.000036271495 | 0.32 | AML | other | m | 2024-04-07T00:04:49.85 |
IV.PII.HHN. | ML:0.6 | 0.000020463354500000004 | 0.2 | AML | other | m | 2024-04-07T00:04:50.30 |