A magnitude Md 2.4 earthquake occured in region: 2 km E Pomarance (PI), on
and geographic coordinates (lat, lon) 43.3070, 10.8940 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 | 2 | 5897 | 5897 |
Volterra | PI | 11 | 10519 | 16416 |
Castelnuovo di Val di Cecina | PI | 11 | 2231 | 18647 |
Casole d'Elsa | SI | 13 | 3897 | 22544 |
Radicondoli | SI | 13 | 914 | 23458 |
Montecatini Val di Cecina | PI | 15 | 1749 | 25207 |
Monterotondo Marittimo | GR | 18 | 1371 | 26578 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4
ML-VAX 1.8 |
1993-03-21 12:36:52 |
43.307 | 10.894 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 182099 |
Field | Value |
---|---|
Time (UTC) | 1993-03-21 12:36:52 ± 1.128 |
Latitude | 43.3070 ± 0.0674 |
Longitude | 10.8940 ± 0.0430 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 182099 |
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) | 8259.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 259 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
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) | 0.00437 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00939 |
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 | 182099 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:50:53 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 182099 |
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. | 1993-03-21T12:37:25.87 | 10.0 | undecidable | manual | SG | 48 | 0.9102 | 1.01 | 0.1 | |
--.PGD.Z. | 1993-03-21T12:37:21.00 | 10.0 | undecidable | manual | SG | 45 | 0.8214 | -1.07 | 0.1 | |
--.BDI.Z. | 1993-03-21T12:37:20.21 | 10.0 | undecidable | manual | SG | 343 | 0.777 | -0.55 | 0.2 | |
--.ZC9.Z. | 1993-03-21T12:37:15.25 | 10.0 | undecidable | manual | PG | 3 | 1.0434 | 1.51 | 0 | |
--.SFI.Z. | 1993-03-21T12:37:11.13 | 10.0 | positive | manual | PG | 48 | 0.9102 | -0.14 | 1.9 | |
--.PII.Z. | 1993-03-21T12:37:11.17 | 10.0 | undecidable | manual | SG | 326 | 0.4884 | -0.23 | 0.4 | |
--.PGD.Z. | 1993-03-21T12:37:09.50 | 10.0 | positive | manual | PG | 45 | 0.8214 | -0.15 | 2 | |
--.CRE.Z. | 1993-03-21T12:37:09.74 | 10.0 | negative | manual | PG | 67 | 0.8214 | 0.04 | 2.1 | |
--.BDI.Z. | 1993-03-21T12:37:08.83 | 10.0 | negative | manual | PG | 343 | 0.777 | -0.07 | 2.2 | |
--.PII.Z. | 1993-03-21T12:37:03.24 | 10.0 | undecidable | manual | PG | 326 | 0.4884 | -0.25 | 1 |