A magnitude ML 1.4 earthquake occured in region: Costa Toscana settentrionale (Massa Carrara, Lucca, Pisa), on
and geographic coordinates (lat, lon) 43.6350, 9.9780 at 11 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.
No Italian municipalities within 20 km distance.
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.0
ML 1.4 |
2009-08-20 18:23:46 |
43.635 | 9.978 | 11 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 951719 |
Field | Value |
---|---|
Time (UTC) | 2009-08-20 18:23:46 ± 0.33 |
Latitude | 43.6350 ± 0.0225 |
Longitude | 9.9780 ± 0.0398 |
Depth (km) | 11 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 951719 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 3947 |
Semi-minor axis of confidence ellipse (meter) | 895 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 307 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 4060.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 209 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.54 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.80669 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.1 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 951719 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 18:09:51 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | 0.1 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 951719 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 18:09:51 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.PZZT.HHE. | 2009-08-20T18:24:12.93 | 0.6 | undecidable | manual | Sg | 52 | 89.5437 | -0.133 | 43 | |
IV.BDI.HHZ. | 2009-08-20T18:24:06.53 | 0.6 | undecidable | manual | Sg | 46 | 68.5758 | -0.922 | 35 | |
IV.PZZT.HHE. | 2009-08-20T18:24:02.21 | 0.3 | undecidable | manual | Pg | 52 | 89.5437 | 0.319 | 63 | |
IV.PII.SHZ. | 2009-08-20T18:24:00.93 | 0.6 | undecidable | manual | Sg | 77 | 44.9217 | -0.213 | 46 | |
IV.TERO.HHN. | 2009-08-20T18:23:59.49 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.BDI.HHZ. | 2009-08-20T18:23:58.72 | 0.3 | undecidable | manual | Pg | 46 | 68.5758 | 0.065 | 69 | |
IV.GROG.HHN. | 2009-08-20T18:23:55.42 | 0.3 | undecidable | manual | Sg | 197 | 24.1536 | -0.186 | 73 | |
IV.PII.SHZ. | 2009-08-20T18:23:55.63 | 0.3 | undecidable | manual | Pg | 77 | 44.9217 | 0.623 | 62 | |
IV.MRB1.HHE. | 2009-08-20T18:23:53.34 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.FAGN.HHE. | 2009-08-20T18:23:52.88 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.T0104.EHN. | 2009-08-20T18:23:52.52 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.GROG.HHN. | 2009-08-20T18:23:51.79 | 0.1 | undecidable | manual | Pg | 197 | 24.1536 | -0.026 | 100 | |
MN.AQU.HHZ. | 2009-08-20T18:23:49.20 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.MSC.EHZ. | 2009-08-20T18:23:38.70 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 |