A magnitude Md 2.1 earthquake occured in region: 5 km SE Casole d'Elsa (SI), on
and geographic coordinates (lat, lon) 43.3050, 11.0830 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 |
---|---|---|---|---|
Casole d'Elsa | SI | 5 | 3897 | 3897 |
Radicondoli | SI | 6 | 914 | 4811 |
Sovicille | SI | 12 | 10116 | 14927 |
Colle di Val d'Elsa | SI | 13 | 21620 | 36547 |
Monteriggioni | SI | 15 | 9810 | 46357 |
Chiusdino | SI | 17 | 1903 | 48260 |
Pomarance | PI | 17 | 5897 | 54157 |
Castelnuovo di Val di Cecina | PI | 18 | 2231 | 56388 |
San Gimignano | SI | 19 | 7820 | 64208 |
Poggibonsi | SI | 19 | 29196 | 93404 |
Monticiano | SI | 20 | 1571 | 94975 |
Montieri | GR | 20 | 1204 | 96179 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1
ML-VAX 1.7 |
1990-12-29 20:38:52 |
43.305 | 11.083 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 133209 |
Field | Value |
---|---|
Time (UTC) | 1990-12-29 20:38:52 ± 0.487 |
Latitude | 43.3050 ± 0.0306 |
Longitude | 11.0830 ± 0.0181 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 133209 |
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) | 3700.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 252 |
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) | 0.00518 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00745 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 133209 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:04:07 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 133209 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.BDI.Z. | 1990-12-29T20:39:21.00 | 10.0 | undecidable | manual | SG | 334 | 0.8214 | 0.04 | 0.7 | |
--.CRE.Z. | 1990-12-29T20:39:16.40 | 10.0 | undecidable | manual | SG | 62 | 0.6993 | -0.72 | 0 | |
--.PII.Z. | 1990-12-29T20:39:13.00 | 10.0 | undecidable | manual | SG | 315 | 0.5772 | 0.18 | 0.7 | |
--.BDI.Z. | 1990-12-29T20:39:08.95 | 10.0 | undecidable | manual | PG | 334 | 0.8214 | 0.13 | 1.7 | |
--.SFI.Z. | 1990-12-29T20:39:08.71 | 10.0 | undecidable | manual | PG | 42 | 0.8103 | 0.23 | 1.4 | |
--.CRE.Z. | 1990-12-29T20:39:06.62 | 10.0 | undecidable | manual | PG | 62 | 0.6993 | 0.21 | 1.5 | |
--.PII.Z. | 1990-12-29T20:39:03.78 | 10.0 | undecidable | manual | PG | 315 | 0.5772 | -0.34 | 1 |