A magnitude ML 1.0 earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on
and geographic coordinates (lat, lon) 43.8490, 10.1870 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 |
---|---|---|---|---|
Viareggio | LU | 6 | 62467 | 62467 |
Forte dei Marmi | LU | 13 | 7510 | 69977 |
Massarosa | LU | 13 | 22471 | 92448 |
Pietrasanta | LU | 13 | 24007 | 116455 |
Camaiore | LU | 14 | 32513 | 148968 |
Seravezza | LU | 17 | 13073 | 162041 |
Vecchiano | PI | 18 | 12189 | 174230 |
Stazzema | LU | 19 | 3193 | 177423 |
Montignoso | MS | 19 | 10323 | 187746 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.0 | 2018-01-07 02:40:12 |
43.849 | 10.1873 | 7 | 2019-04-24 14:49:16 |
Bollettino Sismico Italiano INGV | 53575771 |
Reviewed Rev100 |
ML 0.9 | 2018-01-07 02:40:13 |
43.8685 | 10.1932 | 8 | 2018-01-07 02:52:11 |
Sala Sismica INGV-Roma | 53061541 |
Field | Value |
---|---|
Time (UTC) | 2018-01-07 02:40:12 ± 0.27 |
Latitude | 43.8490 ± 0.0081 |
Longitude | 10.1873 ± 0.0150 |
Depth (km) | 7 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 53575771 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1240 |
Semi-minor axis of confidence ellipse (meter) | 466 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 242 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1240.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 239 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.27 |
Epicentral distance of station closest to the epicenter (degree) | 0.22843 |
Epicentral distance of station farthest from the epicenter (degree) | 0.45416 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 53061541 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-01-07 02:52:11 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 53575771 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2019-02-18 13:37:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.POPM.HHZ. | 2018-01-07T02:40:29.16 | 1.0 | undecidable | manual | S | 64 | 50.4162 | 50 | -0.49 | 21 |
GU.SARM.EHZ. | 2018-01-07T02:40:27.07 | 0.6 | undecidable | manual | S | 25 | 40.8258 | 50 | -0.03 | 49 |
MN.VLC.HHZ. | 2018-01-07T02:40:25.97 | 0.6 | undecidable | manual | S | 25 | 37.9287 | 100 | -0.22 | 49 |
GU.EQUI.HHZ. | 2018-01-07T02:40:24.82 | 0.3 | undecidable | manual | S | 356 | 35.2425 | 101 | -0.46 | 69 |
GU.CARD.HHZ. | 2018-01-07T02:40:23.77 | 0.6 | undecidable | manual | S | 50 | 30.6471 | 103 | 0.05 | 52 |
IV.PII.HHZ. | 2018-01-07T02:40:22.84 | 0.6 | undecidable | manual | S | 117 | 30.4473 | 103 | -0.82 | 38 |
GU.POPM.HHZ. | 2018-01-07T02:40:22.66 | 0.6 | undecidable | manual | P | 64 | 50.4162 | 50 | 0.13 | 50 |
GU.SARM.EHZ. | 2018-01-07T02:40:21.13 | 0.6 | undecidable | manual | P | 25 | 40.8258 | 50 | 0.07 | 50 |
GU.MAIM.HHZ. | 2018-01-07T02:40:21.95 | 0.6 | undecidable | manual | S | 73 | 25.3524 | 105 | 0.02 | 52 |
MN.VLC.HHZ. | 2018-01-07T02:40:20.72 | 0.3 | undecidable | manual | P | 25 | 37.9287 | 100 | 0.19 | 76 |
GU.EQUI.HHZ. | 2018-01-07T02:40:20.07 | 0.3 | undecidable | manual | P | 356 | 35.2425 | 101 | 0.06 | 77 |
GU.CARD.HHZ. | 2018-01-07T02:40:19.41 | 0.1 | undecidable | manual | P | 50 | 30.6471 | 103 | 0.3 | 100 |
IV.PII.HHZ. | 2018-01-07T02:40:18.93 | 0.1 | undecidable | manual | P | 117 | 30.4473 | 103 | -0.14 | 98 |
GU.MAIM.HHZ. | 2018-01-07T02:40:18.52 | 0.1 | undecidable | manual | P | 73 | 25.3524 | 105 | 0.44 | 98 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.MAIM.HHN. | ML:0.8 | 0.000038953715 | 1.3808 | AML | other | m | 2018-01-07T02:40:22.80 |
GU.MAIM.HHE. | ML:1.0 | 0.00005448812 | 1.8192 | AML | other | m | 2018-01-07T02:40:23.08 |
IV.PII.HHE. | ML:0.8 | 0.000036028015 | 0.8192 | AML | other | m | 2018-01-07T02:40:23.22 |
IV.PII.HHN. | ML:1.0 | 0.000045722615 | 1.24 | AML | other | m | 2018-01-07T02:40:22.95 |
GU.CARD.HHN. | ML:1.2 | 0.00007844240499999999 | 0.1808 | AML | other | m | 2018-01-07T02:40:24.54 |
GU.CARD.HHE. | ML:1.2 | 0.00006978330500000001 | 0.12 | AML | other | m | 2018-01-07T02:40:25.07 |
MN.VLC.HHE. | ML:1.1 | 0.000046094184999999995 | 1.5008 | AML | other | m | 2018-01-07T02:40:25.82 |
MN.VLC.HNE. | ML:1.1 | 0.00004570519 | 1.3808 | AML | other | m | 2018-01-07T02:40:26.64 |
MN.VLC.HHN. | ML:0.8 | 0.000024371500000000002 | 0.9616 | AML | other | m | 2018-01-07T02:40:26.68 |
MN.VLC.HNN. | ML:1.2 | 0.000067182125 | 1.12 | AML | other | m | 2018-01-07T02:40:27.94 |
GU.POPM.HHN. | ML:0.8 | 0.00001656686 | 0.1408 | AML | other | m | 2018-01-07T02:40:30.45 |
GU.POPM.HHE. | ML:0.8 | 0.000016614815 | 0.1792 | AML | other | m | 2018-01-07T02:40:30.65 |