A magnitude ML 1.9 earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on
and geographic coordinates (lat, lon) 43.8940, 9.9180 at 10 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 |
---|---|---|---|---|
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 |
Md 2.2
ML 1.9 |
2007-04-04 11:26:31 |
43.894 | 9.918 | 10 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 622579 |
Field | Value |
---|---|
Time (UTC) | 2007-04-04 11:26:31 ± 0.33 |
Latitude | 43.8940 ± 0.0297 |
Longitude | 9.9180 ± 0.0337 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 622579 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 3421 |
Semi-minor axis of confidence ellipse (meter) | 2526 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 336 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 4263.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 109 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 1.04 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 1.26714 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.1 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 622579 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 11:51:43 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | 0.1 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 622579 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 11:51:43 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
GU.PZZ.SHZ. | 2007-04-04T11:27:07.13 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.DOI.SHZ. | 2007-04-04T11:27:05.44 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.CRE.SHZ. | 2007-04-04T11:26:58.75 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.FIN.SHZ. | 2007-04-04T11:26:54.50 | 0.1 | undecidable | manual | Pg | 285 | 140.6481 | 0.071 | 89 | |
IV.VMG.SHZ. | 2007-04-04T11:26:53.85 | 0.3 | undecidable | manual | Pg | 86 | 130.1697 | 1.041 | 49 | |
IV.GRFL.SHZ. | 2007-04-04T11:26:52.92 | 0.3 | undecidable | manual | Pg | 134 | 118.6923 | 1.868 | 31 | |
IV.SEI.SHZ. | 2007-04-04T11:26:51.53 | 0.6 | undecidable | manual | Pg | 81 | 116.3946 | 0.838 | 37 | |
GU.SC2M.HHE. | 2007-04-04T11:26:46.15 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.PZZT.HHE. | 2007-04-04T11:26:44.86 | 0.1 | undecidable | manual | Pg | 70 | 79.7646 | -0.192 | 98 | |
IV.ERBM.SHZ. | 2007-04-04T11:26:43.90 | 0.1 | undecidable | manual | Pg | 34 | 70.374 | 0.298 | 98 | |
IV.GROG.HHN. | 2007-04-04T11:26:40.40 | 0.1 | undecidable | manual | Pg | 182 | 51.9036 | -0.357 | 100 | |
IV.BDI.HHN. | 2007-04-04T11:26:40.90 | 0.1 | undecidable | manual | Pg | 71 | 57.3981 | -0.696 | 89 | |
GU.MAIM.HHE. | 2007-04-04T11:26:39.19 | 0.1 | undecidable | manual | Pg | 87 | 45.9207 | -0.64 | 93 |