A magnitude Md 2.2 earthquake occured in region: 4 km NW Castelnuovo di Val di Cecina (PI), on
and geographic coordinates (lat, lon) 43.2430, 10.8800 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 |
---|---|---|---|---|
Castelnuovo di Val di Cecina | PI | 5 | 2231 | 2231 |
Pomarance | PI | 7 | 5897 | 8128 |
Monterotondo Marittimo | GR | 11 | 1371 | 9499 |
Radicondoli | SI | 13 | 914 | 10413 |
Monteverdi Marittimo | PI | 15 | 758 | 11171 |
Montieri | GR | 17 | 1204 | 12375 |
Casole d'Elsa | SI | 17 | 3897 | 16272 |
Volterra | PI | 18 | 10519 | 26791 |
Chiusdino | SI | 20 | 1903 | 28694 |
Montecatini Val di Cecina | PI | 20 | 1749 | 30443 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1992-05-09 01:19:50 |
43.243 | 10.88 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 164109 |
Field | Value |
---|---|
Time (UTC) | 1992-05-09 01:19:50 ± 0.503 |
Latitude | 43.2430 ± 0.0265 |
Longitude | 10.8800 ± 0.0202 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 164109 |
Field | Value |
---|---|
Preferred uncertainty description | horizontal uncertainty |
Semi-major axis of confidence ellipse (meter) | |
Semi-minor axis of confidence ellipse (meter) | |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 3371.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 282 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00753 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00866 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 164109 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:33:24 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SFI.Z. | 1992-05-09T01:20:24.50 | 10.0 | undecidable | manual | SG | 46 | 0.9657 | 0.76 | 0.1 | |
--.CRE.Z. | 1992-05-09T01:20:20.38 | 10.0 | undecidable | manual | SG | 63 | 0.8547 | -0.16 | 0.7 | |
--.PGD.Z. | 1992-05-09T01:20:20.89 | 10.0 | undecidable | manual | SG | 43 | 0.8769 | -0.11 | 0.8 | |
--.BDI.Z. | 1992-05-09T01:20:19.41 | 10.0 | undecidable | manual | SG | 345 | 0.8325 | -0.5 | 0.3 | |
--.SFI.Z. | 1992-05-09T01:20:09.45 | 10.0 | undecidable | manual | PG | 46 | 0.9657 | -0.42 | 0.9 | |
--.BDI.Z. | 1992-05-09T01:20:08.00 | 10.0 | undecidable | manual | PG | 345 | 0.8325 | 0.34 | 1.2 | |
--.CRE.Z. | 1992-05-09T01:20:08.10 | 10.0 | undecidable | manual | PG | 63 | 0.8547 | 0.08 | 2 | |
--.PGD.Z. | 1992-05-09T01:20:08.23 | 10.0 | undecidable | manual | PG | 43 | 0.8769 | -0.05 | 2 |