A magnitude Md 2.2 earthquake occured in region: 2 km SE Pomarance (PI), on
and geographic coordinates (lat, lon) 43.2840, 10.8830 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 | 2 | 5897 | 5897 |
Castelnuovo di Val di Cecina | PI | 9 | 2231 | 8128 |
Radicondoli | SI | 13 | 914 | 9042 |
Volterra | PI | 13 | 10519 | 19561 |
Casole d'Elsa | SI | 15 | 3897 | 23458 |
Monterotondo Marittimo | GR | 15 | 1371 | 24829 |
Montecatini Val di Cecina | PI | 16 | 1749 | 26578 |
Monteverdi Marittimo | PI | 18 | 758 | 27336 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2
ML-VAX 1.5 |
1993-03-21 13:16:41 |
43.284 | 10.883 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 182139 |
Field | Value |
---|---|
Time (UTC) | 1993-03-21 13:16:41 ± 0.942 |
Latitude | 43.2840 ± 0.0540 |
Longitude | 10.8830 ± 0.0360 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 182139 |
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) | 6680.9 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 263 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00453 |
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 | 2.2 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 182139 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:50:55 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 182139 |
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. | 1993-03-21T13:17:14.99 | 10.0 | undecidable | manual | SG | 47 | 0.9213 | 1.3 | 0 | |
--.PGD.Z. | 1993-03-21T13:17:10.00 | 10.0 | undecidable | manual | SG | 45 | 0.8436 | -0.91 | 0 | |
--.BDI.Z. | 1993-03-21T13:17:09.48 | 10.0 | undecidable | manual | SG | 344 | 0.7992 | -0.07 | 0.4 | |
--.SFI.Z. | 1993-03-21T13:17:00.50 | 10.0 | positive | manual | PG | 47 | 0.9213 | -0.17 | 1.9 | |
--.PII.Z. | 1993-03-21T13:17:00.10 | 10.0 | undecidable | manual | SG | 329 | 0.4995 | 0.06 | 0.4 | |
--.PGD.Z. | 1993-03-21T13:16:58.50 | 10.0 | positive | manual | PG | 45 | 0.8436 | -0.11 | 2.1 | |
--.CRE.Z. | 1993-03-21T13:16:58.84 | 10.0 | undecidable | manual | PG | 65 | 0.8325 | 0.28 | 0.8 | |
--.BDI.Z. | 1993-03-21T13:16:57.87 | 10.0 | negative | manual | PG | 344 | 0.7992 | 0.04 | 2.2 | |
--.PII.Z. | 1993-03-21T13:16:52.39 | 10.0 | undecidable | manual | PG | 329 | 0.4995 | 0.05 | 1.1 |