A magnitude ML 1.5 earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on
and geographic coordinates (lat, lon) 43.6550, 10.1810 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 |
---|---|---|---|---|
Livorno | LI | 15 | 159219 | 159219 |
Pisa | PI | 19 | 89158 | 248377 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1
ML 1.5 |
2006-04-23 20:41:17 |
43.655 | 10.181 | 10 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 563679 |
Field | Value |
---|---|
Time (UTC) | 2006-04-23 20:41:17 ± 0.22 |
Latitude | 43.6550 ± 0.0171 |
Longitude | 10.1810 ± 0.0311 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 563679 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 2895 |
Semi-minor axis of confidence ellipse (meter) | 1211 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 56 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 3140.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 149 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.74 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.93709 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 563679 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 10:49:53 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | 0.2 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 563679 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 10:49:53 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ERBM.EHZ. | 2006-04-23T20:41:43.90 | 0.1 | undecidable | manual | Sg | 12 | 86.7465 | 0.913 | 35 | |
IV.PZZT.HHE. | 2006-04-23T20:41:38.86 | 0.3 | undecidable | manual | Sg | 46 | 75.7686 | -1.203 | 23 | |
IV.SEI.SHZ. | 2006-04-23T20:41:35.81 | 0.1 | undecidable | manual | Pg | 64 | 104.0181 | 1.092 | 62 | |
MN.VLC.HHN. | 2006-04-23T20:41:35.02 | 0.1 | undecidable | manual | Sg | 16 | 58.2972 | -0.351 | 45 | |
IV.BDI.HHZ. | 2006-04-23T20:41:34.83 | 0.1 | undecidable | manual | Sg | 36 | 56.0994 | 0.031 | 48 | |
IV.ERBM.EHZ. | 2006-04-23T20:41:32.79 | 0.1 | undecidable | manual | Pg | 12 | 86.7465 | 0.733 | 75 | |
IV.CSNT.SHZ. | 2006-04-23T20:41:32.82 | 0.3 | undecidable | manual | Pg | 102 | 91.4418 | 0.051 | 68 | |
IV.PZZT.HHE. | 2006-04-23T20:41:30.03 | 0.1 | undecidable | manual | Pg | 46 | 75.7686 | -0.337 | 88 | |
IV.GROG.HHZ. | 2006-04-23T20:41:28.94 | 0.1 | undecidable | manual | Sg | 223 | 34.4433 | -0.082 | 50 | |
MN.VLC.HHN. | 2006-04-23T20:41:27.28 | 0.1 | undecidable | manual | Pg | 16 | 58.2972 | -0.38 | 90 | |
IV.SSY.BHN. | 2006-04-23T20:41:27.65 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.BDI.HHZ. | 2006-04-23T20:41:26.59 | 0.3 | undecidable | manual | Pg | 36 | 56.0994 | -0.734 | 60 | |
IV.GROG.HHZ. | 2006-04-23T20:41:23.93 | 0.1 | undecidable | manual | Pg | 223 | 34.4433 | -0.063 | 100 |