A magnitude ML 1.0 earthquake occured in region: 2 km SE Forte dei Marmi (LU), on
and geographic coordinates (lat, lon) 43.9480, 10.1830 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 | 2 | 7510 | 7510 |
Pietrasanta | LU | 4 | 24007 | 31517 |
Seravezza | LU | 7 | 13073 | 44590 |
Montignoso | MS | 8 | 10323 | 54913 |
Camaiore | LU | 10 | 32513 | 87426 |
Viareggio | LU | 10 | 62467 | 149893 |
Massa | MS | 11 | 69479 | 219372 |
Stazzema | LU | 11 | 3193 | 222565 |
Massarosa | LU | 16 | 22471 | 245036 |
Carrara | MS | 16 | 63133 | 308169 |
Pescaglia | LU | 19 | 3526 | 311695 |
Ortonovo | SP | 19 | 8277 | 319972 |
Fabbriche di Vergemoli | LU | 20 | 768 | 320740 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2018-08-07 10:27:07 |
43.9478 | 10.1833 | 9 | 2018-08-07 10:35:37 |
Sala Sismica INGV-Roma | 59472581 |
Field | Value |
---|---|
Time (UTC) | 2018-08-07 10:27:07 ± 0.17 |
Latitude | 43.9478 ± 0.0099 |
Longitude | 10.1833 ± 0.0075 |
Depth (km) | 9 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 59472581 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1130 |
Semi-minor axis of confidence ellipse (meter) | 560 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 4 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1130.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 194 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.28329 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 59472581 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-08-07 10:35:37 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.GSCL.HHZ. | 2018-08-07T10:27:26.56 | 3.0 | undecidable | manual | S | 0 | ||||
GU.GSCL.HHZ. | 2018-08-07T10:27:23.59 | 3.0 | undecidable | manual | P | 0 | ||||
GU.SARM.EHZ. | 2018-08-07T10:27:18.98 | 0.3 | undecidable | manual | S | 33 | 31.4463 | 50 | -0.07 | 75 |
MN.VLC.HHZ. | 2018-08-07T10:27:18.02 | 0.3 | undecidable | manual | S | 35 | 28.5492 | 108 | -0.1 | 75 |
IV.PLMA.HHZ. | 2018-08-07T10:27:17.71 | 0.3 | undecidable | manual | S | 293 | 28.6491 | 107 | -0.46 | 69 |
GU.MAIM.HHZ. | 2018-08-07T10:27:16.34 | 0.6 | undecidable | manual | S | 99 | 24.8529 | 110 | -0.6 | 44 |
GU.CARD.HHZ. | 2018-08-07T10:27:16.85 | 0.3 | undecidable | manual | S | 70 | 25.3524 | 110 | -0.24 | 73 |
MN.VLC.HHZ. | 2018-08-07T10:27:14.07 | 0.6 | negative | manual | P | 35 | 28.5492 | 108 | 0.33 | 48 |
GU.SARM.EHZ. | 2018-08-07T10:27:14.58 | 0.1 | undecidable | manual | P | 33 | 31.4463 | 50 | 0.3 | 95 |
IV.PLMA.HHZ. | 2018-08-07T10:27:13.92 | 0.1 | undecidable | manual | P | 293 | 28.6491 | 107 | 0.16 | 99 |
GU.MAIM.HHZ. | 2018-08-07T10:27:13.17 | 0.1 | undecidable | manual | P | 99 | 24.8529 | 110 | 0.12 | 100 |
GU.CARD.HHZ. | 2018-08-07T10:27:13.32 | 0.1 | undecidable | manual | P | 70 | 25.3524 | 110 | 0.18 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.MAIM.HHN. | ML:0.9 | 0.0000443 | 1.68 | AML | other | m | 2018-08-07T10:27:16.10 |
GU.CARD.HHN. | ML:1.0 | 0.00005915 | 0.2 | AML | other | m | 2018-08-07T10:27:17.09 |
GU.MAIM.HHE. | ML:1.0 | 0.000057499999999999995 | 0.42 | AML | other | m | 2018-08-07T10:27:17.05 |
GU.CARD.HHE. | ML:1.1 | 0.00006839999999999998 | 0.22 | AML | other | m | 2018-08-07T10:27:17.23 |