A magnitude ML 1.3 (controlled explosion) earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on
and geographic coordinates (lat, lon) 43.8940, 9.8870 at 0 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
Event type: controlled explosion.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 |
---|---|---|---|---|
Portovenere | SP | 19 | 3630 | 3630 |
Ameglia | SP | 20 | 4365 | 7995 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.3 | 2015-11-04 11:19:49 |
43.8942 | 9.8868 | 1 | 2016-02-19 13:22:41 |
Bollettino Sismico Italiano INGV | 22501131 |
Reviewed Rev100 |
ML 1.0 | 2015-11-04 11:19:50 |
44.0127 | 9.9272 | 8 | 2015-11-04 11:30:14 |
Sala Sismica INGV-Roma | 22080111 |
Field | Value |
---|---|
Time (UTC) | 2015-11-04 11:19:49 ± 0.2 |
Latitude | 43.8942 ± 0.0099 |
Longitude | 9.8868 ± 0.0162 |
Depth (km) | 1 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | controlled explosion |
Origin ID | 22501131 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1310 |
Semi-minor axis of confidence ellipse (meter) | 1120 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 249 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1310.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 148 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.33 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 3.66024 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 22080111 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2015-11-04 11:30:14 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 22501131 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-12-01 11:12:15 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LPEL.HHZ. | 2015-11-04T11:21:35.99 | 3.0 | undecidable | manual | Sn | 406.2822 | 3.94 | 0 | ||
GE.MATE.HHZ. | 2015-11-04T11:21:19.39 | 3.0 | undecidable | manual | Pn | -0.54 | 0 | |||
CR.STON.BHZ. | 2015-11-04T11:21:18.20 | 3.0 | positive | manual | Pn | 1.73 | 0 | |||
IV.MRB1.HNZ. | 2015-11-04T11:21:12.99 | 3.0 | negative | manual | Pg | 11.44 | 0 | |||
IV.TRE1.HNZ. | 2015-11-04T11:21:09.99 | 3.0 | undecidable | manual | Sn | 5.42 | 0 | |||
IV.LPEL.HHZ. | 2015-11-04T11:20:47.44 | 3.0 | undecidable | manual | Pn | 406.2822 | -0.08 | 0 | ||
IV.SBPO.HNZ. | 2015-11-04T11:20:34.99 | 3.0 | undecidable | manual | S | -0.15 | 0 | |||
IV.NDIM.HNZ. | 2015-11-04T11:20:30.99 | 3.0 | undecidable | manual | S | 0.25 | 0 | |||
IV.BDI.HHE. | 2015-11-04T11:20:01.49 | 0.3 | undecidable | manual | P | 71 | 59.5959 | 90 | 0.42 | 66 |
GU.GRAM.HHZ. | 2015-11-04T11:20:01.66 | 0.3 | undecidable | manual | P | 12 | 67.7766 | 50 | -0.69 | 60 |
IV.MSSA.HHE. | 2015-11-04T11:20:00.07 | 0.3 | undecidable | manual | P | 328 | 55.3002 | 91 | -0.14 | 71 |
GU.SARM.HHZ. | 2015-11-04T11:19:59.36 | 0.1 | undecidable | manual | P | 52 | 52.1034 | 91 | -0.21 | 94 |
IV.GROG.HHN. | 2015-11-04T11:19:59.53 | 0.3 | undecidable | manual | P | 180 | 51.9036 | 91 | 0 | 73 |
MN.VLC.HHZ. | 2015-11-04T11:19:58.92 | 0.3 | undecidable | manual | P | 53 | 49.5171 | 91 | -0.14 | 72 |
GU.MAIM.HHZ. | 2015-11-04T11:19:58.89 | 0.3 | undecidable | manual | P | 87 | 48.4182 | 91 | 0.06 | 73 |
GU.EQUI.HHZ. | 2015-11-04T11:19:56.54 | 0.1 | undecidable | manual | P | 35 | 36.8298 | 91 | 0.02 | 100 |
IV.PLMA.HHZ. | 2015-11-04T11:19:53.14 | 0.1 | positive | manual | P | 351 | 17.4714 | 92 | 0.51 | 93 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
GU.EQUI.HHE. | ML:1.1 | 0.000048100000000000004 | 1.38 | AML | other | m | 2015-11-04T11:20:01.22 |
GU.EQUI.HHN. | ML:1.1 | 0.00004795 | 0.54 | AML | other | m | 2015-11-04T11:20:03.59 |
IV.PLMA.HHE. | ML:1.4 | 0.000219 | 0.6 | AML | other | m | 2015-11-04T11:20:08.72 |
IV.PLMA.HHN. | ML:1.5 | 0.0002925 | 0.58 | AML | other | m | 2015-11-04T11:20:09.03 |