A magnitude Md 2.1 earthquake occured in region: 4 km SE Pomarance (PI), on
and geographic coordinates (lat, lon) 43.2690, 10.9020 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 |
---|---|---|---|---|
Pomarance | PI | 4 | 5897 | 5897 |
Castelnuovo di Val di Cecina | PI | 7 | 2231 | 8128 |
Radicondoli | SI | 11 | 914 | 9042 |
Casole d'Elsa | SI | 14 | 3897 | 12939 |
Monterotondo Marittimo | GR | 14 | 1371 | 14310 |
Volterra | PI | 15 | 10519 | 24829 |
Montieri | GR | 18 | 1204 | 26033 |
Monteverdi Marittimo | PI | 18 | 758 | 26791 |
Montecatini Val di Cecina | PI | 19 | 1749 | 28540 |
Chiusdino | SI | 20 | 1903 | 30443 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 2004-02-01 13:24:47 |
43.269 | 10.902 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 492669 |
Field | Value |
---|---|
Time (UTC) | 2004-02-01 13:24:47 ± 0.191 |
Latitude | 43.2690 ± 0.0108 |
Longitude | 10.9020 ± 0.0236 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 492669 |
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) | 2256.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 172 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
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) | 0.00113 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00834 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 492669 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 00:50:20 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SFI.Z. | 2004-02-01T13:25:05.44 | 10.0 | undecidable | manual | PG | 46 | 0.9213 | -0.04 | 1.4 | |
--.PII.Z. | 2004-02-01T13:25:05.21 | 10.0 | undecidable | manual | SG | 328 | 0.5217 | -0.75 | 0 | |
--.VMG.Z. | 2004-02-01T13:25:03.62 | 10.0 | undecidable | manual | PG | 33 | 0.8214 | 0 | 1.5 | |
--.BDI.Z. | 2004-02-01T13:25:03.51 | 10.0 | undecidable | manual | PG | 344 | 0.8214 | 0.08 | 1.4 | |
--.PII.Z. | 2004-02-01T13:24:58.26 | 10.0 | undecidable | manual | PG | 328 | 0.5217 | 0.29 | 1.1 | |
--.GRFL.Z. | 2004-02-01T13:24:52.69 | 10.0 | undecidable | manual | SG | 156 | 0.1221 | -0.55 | 0.1 | |
--.GRFL.Z. | 2004-02-01T13:24:50.84 | 10.0 | undecidable | manual | PG | 156 | 0.1221 | 0.21 | 1.4 |