A magnitude ML 1.3 earthquake occured in region: 3 km N Forte dei Marmi (LU), on
and geographic coordinates (lat, lon) 43.9870, 10.1640 at 7 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 | 3 | 7510 | 7510 |
Montignoso | MS | 4 | 10323 | 17833 |
Seravezza | LU | 5 | 13073 | 30906 |
Massa | MS | 6 | 69479 | 100385 |
Pietrasanta | LU | 6 | 24007 | 124392 |
Stazzema | LU | 11 | 3193 | 127585 |
Carrara | MS | 12 | 63133 | 190718 |
Camaiore | LU | 13 | 32513 | 223231 |
Ortonovo | SP | 15 | 8277 | 231508 |
Viareggio | LU | 15 | 62467 | 293975 |
Castelnuovo Magra | SP | 17 | 8415 | 302390 |
Vagli Sotto | LU | 17 | 939 | 303329 |
Ameglia | SP | 19 | 4365 | 307694 |
Fabbriche di Vergemoli | LU | 19 | 768 | 308462 |
Massarosa | LU | 19 | 22471 | 330933 |
Careggine | LU | 20 | 564 | 331497 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.3 | 2018-07-20 23:38:26 |
43.9868 | 10.1637 | 7 | 2019-04-24 14:51:12 |
Bollettino Sismico Italiano INGV | 66650331 |
Reviewed Rev100 |
ML 1.3 | 2018-07-20 23:38:26 |
43.9875 | 10.164 | 7 | 2018-07-20 23:46:40 |
Sala Sismica INGV-Roma | 58922341 |
Field | Value |
---|---|
Time (UTC) | 2018-07-20 23:38:26 ± 0.15 |
Latitude | 43.9868 ± 0.0090 |
Longitude | 10.1637 ± 0.0075 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 66650331 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 805 |
Semi-minor axis of confidence ellipse (meter) | 671 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 209 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 810.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 179 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.32 |
Epicentral distance of station closest to the epicenter (degree) | 0.17897 |
Epicentral distance of station farthest from the epicenter (degree) | 0.60434 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 66650331 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2019-03-18 01:08:09 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 58922341 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-07-20 23:46:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MTCR.EHZ. | 2018-07-20T23:38:48.00 | 0.6 | undecidable | manual | S | 86 | 67.0773 | 50 | -0.11 | 46 |
GU.POPM.HHZ. | 2018-07-20T23:38:42.45 | 0.6 | undecidable | manual | S | 82 | 47.8188 | 50 | -0.5 | 44 |
IV.MTCR.EHZ. | 2018-07-20T23:38:39.37 | 0.3 | undecidable | manual | P | 86 | 67.0773 | 50 | 0.26 | 67 |
IV.BDI.HHZ. | 2018-07-20T23:38:38.64 | 0.6 | undecidable | manual | S | 76 | 35.4423 | 101 | -0.69 | 42 |
GU.SARM.EHZ. | 2018-07-20T23:38:37.01 | 0.6 | undecidable | manual | S | 41 | 28.9488 | 103 | -0.09 | 50 |
GU.FIVI.HNN. | 2018-07-20T23:38:36.34 | 0.6 | undecidable | manual | S | 354 | 28.1496 | 104 | -0.5 | 46 |
GU.POPM.HHZ. | 2018-07-20T23:38:36.10 | 0.1 | undecidable | manual | P | 82 | 47.8188 | 50 | -0.03 | 98 |
GU.MAIM.HHZ. | 2018-07-20T23:38:35.91 | 0.6 | undecidable | manual | S | 107 | 27.3504 | 104 | -0.69 | 43 |
IV.PLMA.HHZ. | 2018-07-20T23:38:35.27 | 0.3 | undecidable | manual | S | 286 | 25.6521 | 105 | -0.75 | 63 |
GU.CARD.HHZ. | 2018-07-20T23:38:35.84 | 0.6 | undecidable | manual | S | 80 | 25.752 | 105 | -0.2 | 49 |
IV.BDI.HHZ. | 2018-07-20T23:38:34.10 | 0.1 | positive | manual | P | 76 | 35.4423 | 101 | 0.07 | 99 |
GU.EQUI.HHE. | 2018-07-20T23:38:33.92 | 0.6 | undecidable | manual | S | 358 | 19.869 | 109 | -0.17 | 50 |
GU.SARM.EHZ. | 2018-07-20T23:38:33.06 | 0.1 | undecidable | manual | P | 41 | 28.9488 | 103 | 0.32 | 95 |
GU.CARD.HHZ. | 2018-07-20T23:38:32.43 | 0.1 | positive | manual | P | 80 | 25.752 | 105 | 0.29 | 96 |
GU.MAIM.HHZ. | 2018-07-20T23:38:32.73 | 0.1 | undecidable | manual | P | 107 | 27.3504 | 104 | 0.27 | 96 |
GU.FIVI.HNN. | 2018-07-20T23:38:32.91 | 0.1 | undecidable | manual | P | 354 | 28.1496 | 104 | 0.31 | 95 |
IV.PLMA.HHZ. | 2018-07-20T23:38:32.23 | 0.1 | undecidable | manual | P | 286 | 25.6521 | 105 | 0.1 | 100 |
GU.EQUI.HHE. | 2018-07-20T23:38:31.38 | 0.1 | undecidable | manual | P | 358 | 19.869 | 109 | 0.37 | 95 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.CARD.HHN. | ML:1.6 | 0.00023099999999999998 | 0.3 | AML | other | m | 2018-07-20T23:38:36.07 |
GU.CARD.HHE. | ML:1.3 | 0.0001325 | 0.26 | AML | other | m | 2018-07-20T23:38:36.22 |
GU.MAIM.HHE. | ML:1.1 | 0.0000706 | 0.28 | AML | other | m | 2018-07-20T23:38:36.72 |
GU.MAIM.HHN. | ML:1.0 | 0.00005165 | 0.86 | AML | other | m | 2018-07-20T23:38:36.90 |
IV.BDI.HHN. | ML:0.9 | 0.0000335 | 1.46 | AML | other | m | 2018-07-20T23:38:39.77 |
IV.BDI.HHE. | ML:1.0 | 0.000037900000000000006 | 1.62 | AML | other | m | 2018-07-20T23:38:39.88 |
GU.POPM.HHE. | ML:1.6 | 0.00012514999999999998 | 1.76 | AML | other | m | 2018-07-20T23:38:42.04 |
GU.POPM.HHN. | ML:1.6 | 0.00011899999999999999 | 0.12 | AML | other | m | 2018-07-20T23:38:43.22 |