A magnitude Md 2.4 earthquake occured in region: 1 km S Pomarance (PI), on
and geographic coordinates (lat, lon) 43.2910, 10.8750 at 5 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 | 1 | 5897 | 5897 |
Castelnuovo di Val di Cecina | PI | 10 | 2231 | 8128 |
Volterra | PI | 13 | 10519 | 18647 |
Radicondoli | SI | 14 | 914 | 19561 |
Casole d'Elsa | SI | 15 | 3897 | 23458 |
Montecatini Val di Cecina | PI | 15 | 1749 | 25207 |
Monterotondo Marittimo | GR | 16 | 1371 | 26578 |
Monteverdi Marittimo | PI | 18 | 758 | 27336 |
Guardistallo | PI | 20 | 1234 | 28570 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4
ML-VAX 1.7 |
1993-03-20 17:24:38 |
43.291 | 10.875 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 181959 |
Field | Value |
---|---|
Time (UTC) | 1993-03-20 17:24:38 ± 1.164 |
Latitude | 43.2910 ± 0.0695 |
Longitude | 10.8750 ± 0.0420 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 181959 |
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) | 8441.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 262 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00445 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00955 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 181959 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:50:46 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 181959 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 13:07:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SFI.Z. | 1993-03-20T17:25:13.00 | 10.0 | undecidable | manual | SG | 48 | 0.9213 | 1.59 | 0.1 | |
--.CRE.Z. | 1993-03-20T17:25:09.00 | 10.0 | undecidable | manual | SG | 66 | 0.8436 | 0.37 | 0.5 | |
--.PGD.Z. | 1993-03-20T17:25:07.50 | 10.0 | undecidable | manual | SG | 45 | 0.8436 | -1.12 | 0.2 | |
--.BDI.Z. | 1993-03-20T17:25:06.00 | 10.0 | undecidable | manual | SG | 345 | 0.7881 | -1.02 | 0.2 | |
--.ZC9.Z. | 1993-03-20T17:25:01.45 | 10.0 | undecidable | manual | PG | 3 | 1.0656 | 1.52 | 0.2 | |
--.SFI.Z. | 1993-03-20T17:24:57.10 | 10.0 | undecidable | manual | PG | 48 | 0.9213 | -0.43 | 1.2 | |
--.PII.Z. | 1993-03-20T17:24:56.77 | 10.0 | undecidable | manual | SG | 329 | 0.4995 | -0.71 | 0.4 | |
--.PGD.Z. | 1993-03-20T17:24:55.60 | 10.0 | positive | manual | PG | 45 | 0.8436 | -0.32 | 2.7 | |
--.CRE.Z. | 1993-03-20T17:24:55.87 | 10.0 | positive | manual | PG | 66 | 0.8436 | -0.05 | 3 | |
--.BDI.Z. | 1993-03-20T17:24:55.50 | 10.0 | undecidable | manual | PG | 345 | 0.7881 | 0.51 | 1.2 | |
--.PII.Z. | 1993-03-20T17:24:49.26 | 10.0 | undecidable | manual | PG | 329 | 0.4995 | -0.22 | 1.5 |