A magnitude Md 1.3 earthquake occured in region: 1 km N Forte dei Marmi (LU), on
and geographic coordinates (lat, lon) 43.9690, 10.1710 at 9 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 |
---|---|---|---|---|
Forte dei Marmi | LU | 1 | 7510 | 7510 |
Pietrasanta | LU | 5 | 24007 | 31517 |
Montignoso | MS | 6 | 10323 | 41840 |
Seravezza | LU | 6 | 13073 | 54913 |
Massa | MS | 8 | 69479 | 124392 |
Stazzema | LU | 11 | 3193 | 127585 |
Camaiore | LU | 11 | 32513 | 160098 |
Viareggio | LU | 13 | 62467 | 222565 |
Carrara | MS | 14 | 63133 | 285698 |
Ortonovo | SP | 17 | 8277 | 293975 |
Massarosa | LU | 18 | 22471 | 316446 |
Vagli Sotto | LU | 19 | 939 | 317385 |
Castelnuovo Magra | SP | 19 | 8415 | 325800 |
Pescaglia | LU | 19 | 3526 | 329326 |
Fabbriche di Vergemoli | LU | 19 | 768 | 330094 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
Md 1.3 | 2018-10-04 18:11:39 |
43.9692 | 10.1707 | 9 | 2018-10-04 18:20:51 |
Sala Sismica INGV-Roma | 61623551 |
Field | Value |
---|---|
Time (UTC) | 2018-10-04 18:11:39 ± 0.25 |
Latitude | 43.9692 ± 0.0153 |
Longitude | 10.1707 ± 0.0112 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 61623551 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1716 |
Semi-minor axis of confidence ellipse (meter) | 200 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 6 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1720.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 187 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.44 |
Epicentral distance of station closest to the epicenter (degree) | 0.23113 |
Epicentral distance of station farthest from the epicenter (degree) | 0.31926 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 61623551 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-10-04 18:20:51 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.BDI.HHZ. | 2018-10-04T18:11:51.55 | 0.1 | undecidable | manual | S | 73 | 35.4423 | 50 | -0.37 | 93 |
MN.VLC.HHZ. | 2018-10-04T18:11:49.33 | 0.1 | undecidable | manual | S | 39 | 27.2505 | 108 | -0.11 | 100 |
IV.PLMA.HHZ. | 2018-10-04T18:11:48.77 | 0.3 | undecidable | manual | S | 290 | 26.8509 | 108 | -0.54 | 68 |
GU.CARD.HHZ. | 2018-10-04T18:11:48.73 | 0.1 | undecidable | manual | S | 76 | 25.6521 | 109 | -0.19 | 99 |
GU.MAIM.HHZ. | 2018-10-04T18:11:48.60 | 0.1 | undecidable | manual | S | 103 | 26.3514 | 109 | -0.55 | 91 |
IV.BDI.HHZ. | 2018-10-04T18:11:47.01 | 0.3 | undecidable | manual | P | 73 | 35.4423 | 50 | 0.34 | 70 |
GU.CARD.HHZ. | 2018-10-04T18:11:45.32 | 0.1 | undecidable | manual | P | 76 | 25.6521 | 109 | 0.38 | 95 |
GU.MAIM.HHZ. | 2018-10-04T18:11:45.53 | 0.1 | undecidable | manual | P | 103 | 26.3514 | 109 | 0.46 | 93 |
MN.VLC.HHZ. | 2018-10-04T18:11:45.68 | 0.1 | undecidable | manual | P | 39 | 27.2505 | 108 | 0.44 | 93 |
IV.PLMA.HHZ. | 2018-10-04T18:11:45.26 | 0.3 | undecidable | manual | P | 290 | 26.8509 | 108 | 0.1 | 75 |