A magnitude ML 1.0 earthquake occured in region: 1 km E Forte dei Marmi (LU), on
and geographic coordinates (lat, lon) 43.9620, 10.1820 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 |
---|---|---|---|---|
Forte dei Marmi | LU | 1 | 7510 | 7510 |
Pietrasanta | LU | 4 | 24007 | 31517 |
Seravezza | LU | 5 | 13073 | 44590 |
Montignoso | MS | 6 | 10323 | 54913 |
Massa | MS | 9 | 69479 | 124392 |
Stazzema | LU | 10 | 3193 | 127585 |
Camaiore | LU | 10 | 32513 | 160098 |
Viareggio | LU | 12 | 62467 | 222565 |
Carrara | MS | 15 | 63133 | 285698 |
Massarosa | LU | 17 | 22471 | 308169 |
Ortonovo | SP | 18 | 8277 | 316446 |
Pescaglia | LU | 19 | 3526 | 319972 |
Vagli Sotto | LU | 19 | 939 | 320911 |
Fabbriche di Vergemoli | LU | 19 | 768 | 321679 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.0 | 2017-12-05 18:31:33 |
43.9615 | 10.1815 | 8 | 2018-09-04 09:10:45 |
Bollettino Sismico Italiano INGV | 58486391 |
Reviewed Rev100 |
ML 1.0 | 2017-12-05 18:31:33 |
43.9582 | 10.1743 | 7 | 2017-12-05 18:35:17 |
Sala Sismica INGV-Roma | 52358541 |
Field | Value |
---|---|
Time (UTC) | 2017-12-05 18:31:33 ± 0.17 |
Latitude | 43.9615 ± 0.0090 |
Longitude | 10.1815 ± 0.0087 |
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 | 58486391 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 848 |
Semi-minor axis of confidence ellipse (meter) | 684 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 359 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 850.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 189 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.31 |
Epicentral distance of station closest to the epicenter (degree) | 0.20505 |
Epicentral distance of station farthest from the epicenter (degree) | 0.42178 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 58486391 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2018-07-05 16:02:10 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 52358541 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2017-12-05 18:35:17 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.POPM.HHZ. | 2017-12-05T18:31:49.36 | 0.6 | undecidable | manual | S | 78 | 46.8198 | 50 | -0.14 | 48 |
IV.BDI.HNZ. | 2017-12-05T18:31:45.67 | 0.6 | undecidable | manual | S | 71 | 34.9428 | 50 | -0.64 | 43 |
GU.SARM.EHN. | 2017-12-05T18:31:44.62 | 0.6 | undecidable | manual | S | 35 | 30.2475 | 105 | -0.16 | 49 |
IV.PLMA.HHZ. | 2017-12-05T18:31:43.10 | 0.6 | undecidable | manual | S | 291 | 27.9498 | 106 | -0.91 | 39 |
MN.VLC.HHZ. | 2017-12-05T18:31:43.80 | 0.6 | undecidable | manual | S | 37 | 27.3504 | 107 | -0.02 | 50 |
GU.POPM.HHZ. | 2017-12-05T18:31:43.20 | 0.3 | undecidable | manual | P | 78 | 46.8198 | 50 | 0.29 | 69 |
GU.EQUI.HHZ. | 2017-12-05T18:31:42.03 | 0.6 | undecidable | manual | S | 354 | 22.755 | 110 | -0.28 | 48 |
GU.CARD.HHZ. | 2017-12-05T18:31:42.66 | 0.6 | undecidable | manual | S | 73 | 25.0527 | 108 | -0.39 | 47 |
GU.MAIM.HHZ. | 2017-12-05T18:31:42.39 | 0.6 | undecidable | manual | S | 102 | 25.3524 | 108 | -0.75 | 41 |
IV.BDI.HNZ. | 2017-12-05T18:31:41.15 | 0.3 | undecidable | manual | P | 71 | 34.9428 | 50 | 0.08 | 74 |
GU.SARM.EHN. | 2017-12-05T18:31:40.38 | 0.1 | undecidable | manual | P | 35 | 30.2475 | 105 | 0.2 | 97 |
GU.MAIM.HHZ. | 2017-12-05T18:31:39.44 | 0.1 | undecidable | manual | P | 102 | 25.3524 | 108 | 0.2 | 98 |
IV.PLMA.HHZ. | 2017-12-05T18:31:39.80 | 0.1 | undecidable | manual | P | 291 | 27.9498 | 106 | 0.06 | 100 |
GU.EQUI.HHZ. | 2017-12-05T18:31:39.00 | 0.1 | undecidable | manual | P | 354 | 22.755 | 110 | 0.24 | 97 |
MN.VLC.HHZ. | 2017-12-05T18:31:39.94 | 0.1 | undecidable | manual | P | 37 | 27.3504 | 107 | 0.31 | 95 |
GU.CARD.HHZ. | 2017-12-05T18:31:39.38 | 0.1 | positive | manual | P | 73 | 25.0527 | 108 | 0.2 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.CARD.HHN. | ML:1.1 | 0.00006970000000000001 | 0.1 | AML | other | m | 2017-12-05T18:31:42.93 |
GU.CARD.HHE. | ML:1.0 | 0.0000526 | 0.6 | AML | other | m | 2017-12-05T18:31:43.02 |