A magnitude Md 2.1 earthquake occured in region: 7 km E Radicondoli (SI), on
and geographic coordinates (lat, lon) 43.2570, 11.1300 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 |
---|---|---|---|---|
Radicondoli | SI | 7 | 914 | 914 |
Sovicille | SI | 9 | 10116 | 11030 |
Chiusdino | SI | 12 | 1903 | 12933 |
Casole d'Elsa | SI | 12 | 3897 | 16830 |
Monticiano | SI | 14 | 1571 | 18401 |
Montieri | GR | 17 | 1204 | 19605 |
Monteriggioni | SI | 17 | 9810 | 29415 |
Siena | SI | 18 | 53903 | 83318 |
Colle di Val d'Elsa | SI | 18 | 21620 | 104938 |
Castelnuovo di Val di Cecina | PI | 19 | 2231 | 107169 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1990-04-03 21:31:43 |
43.257 | 11.13 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 113359 |
Field | Value |
---|---|
Time (UTC) | 1990-04-03 21:31:43 ± 0.331 |
Latitude | 43.2570 ± 0.0189 |
Longitude | 11.1300 ± 0.0295 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 113359 |
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) | 3184.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 137 |
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) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.00575 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00801 |
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 | 2.1 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 113359 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:45:20 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.BDI.Z. | 1990-04-03T21:32:14.00 | 10.0 | undecidable | manual | SG | 334 | 0.888 | -0.4 | 0.6 | |
--.PGD.Z. | 1990-04-03T21:32:09.00 | 10.0 | undecidable | manual | SG | 34 | 0.7437 | -0.89 | 0.4 | |
--.CRE.Z. | 1990-04-03T21:32:09.00 | 10.0 | undecidable | manual | SG | 57 | 0.6882 | 0.86 | 0.5 | |
--.PII.Z. | 1990-04-03T21:32:05.00 | 10.0 | undecidable | manual | SG | 316 | 0.6327 | -1.26 | 0.2 | |
--.BDI.Z. | 1990-04-03T21:32:03.00 | 10.0 | undecidable | manual | PG | 334 | 0.888 | 1.52 | 0.4 | |
--.MAO.Z. | 1990-04-03T21:32:00.34 | 10.0 | undecidable | manual | PG | 178 | 0.8325 | -0.16 | 1.7 | |
--.CRE.Z. | 1990-04-03T21:31:58.00 | 10.0 | undecidable | manual | PG | 57 | 0.6882 | 0.13 | 2 | |
--.PGD.Z. | 1990-04-03T21:31:58.50 | 10.0 | undecidable | manual | PG | 34 | 0.7437 | -0.38 | 1.6 | |
--.PII.Z. | 1990-04-03T21:31:57.10 | 10.0 | undecidable | manual | PG | 316 | 0.6327 | 0.32 | 1.4 |