A magnitude Md 2.2 earthquake occured in region: 9 km E Volterra (PI), on
and geographic coordinates (lat, lon) 43.4120, 10.9670 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 |
---|---|---|---|---|
Volterra | PI | 9 | 10519 | 10519 |
San Gimignano | SI | 9 | 7820 | 18339 |
Casole d'Elsa | SI | 10 | 3897 | 22236 |
Colle di Val d'Elsa | SI | 12 | 21620 | 43856 |
Gambassi Terme | FI | 14 | 4870 | 48726 |
Pomarance | PI | 14 | 5897 | 54623 |
Poggibonsi | SI | 16 | 29196 | 83819 |
Montaione | FI | 16 | 3700 | 87519 |
Certaldo | FI | 16 | 16121 | 103640 |
Montecatini Val di Cecina | PI | 18 | 1749 | 105389 |
Radicondoli | SI | 18 | 914 | 106303 |
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 |
1993-03-20 19:19:30 |
43.412 | 10.967 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 181969 |
Field | Value |
---|---|
Time (UTC) | 1993-03-20 19:19:30 ± 0.5 |
Latitude | 43.4120 ± 0.0342 |
Longitude | 10.9670 ± 0.0183 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 181969 |
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) | 4077.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 240 |
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) | 0.00397 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00720 |
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 | 2 |
Type of magnitude | Md |
Reference to an origin | 181969 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:50:46 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 181969 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.PGD.Z. | 1993-03-20T19:19:55.50 | 10.0 | undecidable | manual | SG | 49 | 0.7104 | 0.31 | 0.5 | |
--.CRE.Z. | 1993-03-20T19:19:55.00 | 10.0 | undecidable | manual | SG | 73 | 0.7326 | -1.05 | 0 | |
--.BDI.Z. | 1993-03-20T19:19:54.25 | 10.0 | undecidable | manual | SG | 337 | 0.6993 | -0.52 | 0.3 | |
--.SFI.Z. | 1993-03-20T19:19:46.57 | 10.0 | undecidable | manual | PG | 51 | 0.7992 | 0.25 | 1.3 | |
--.CRE.Z. | 1993-03-20T19:19:45.70 | 10.0 | undecidable | manual | PG | 73 | 0.7326 | -0.1 | 1.6 | |
--.PGD.Z. | 1993-03-20T19:19:45.00 | 10.0 | undecidable | manual | PG | 49 | 0.7104 | 0.33 | 1.2 | |
--.BDI.Z. | 1993-03-20T19:19:44.60 | 10.0 | undecidable | manual | PG | 337 | 0.6993 | 0.17 | 1.6 | |
--.PII.Z. | 1993-03-20T19:19:39.50 | 10.0 | undecidable | manual | PG | 313 | 0.444 | -0.16 | 1.6 |