A magnitude Md 2.3 earthquake occured in region: 4 km S Radicondoli (SI), on
and geographic coordinates (lat, lon) 43.2270, 11.0370 at 50 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 | 4 | 914 | 914 |
Chiusdino | SI | 9 | 1903 | 2817 |
Castelnuovo di Val di Cecina | PI | 11 | 2231 | 5048 |
Montieri | GR | 11 | 1204 | 6252 |
Casole d'Elsa | SI | 13 | 3897 | 10149 |
Monticiano | SI | 15 | 1571 | 11720 |
Pomarance | PI | 16 | 5897 | 17617 |
Sovicille | SI | 17 | 10116 | 27733 |
Monterotondo Marittimo | GR | 17 | 1371 | 29104 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3
ML-VAX 2.4 |
1991-06-17 07:35:19 |
43.227 | 11.037 | 50 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 143629 |
Field | Value |
---|---|
Time (UTC) | 1991-06-17 07:35:19 ± 0.73 |
Latitude | 43.2270 ± 0.0164 |
Longitude | 11.0370 ± 0.0372 |
Depth (km) | 50 ± 14 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 143629 |
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) | 3519.9 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 149 |
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) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.00550 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00801 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 143629 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:14:04 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 143629 |
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. | 1991-06-17T07:35:47.79 | 10.0 | undecidable | manual | S | 338 | 0.888 | 0.21 | 0.8 | |
--.MAO.Z. | 1991-06-17T07:35:45.29 | 10.0 | undecidable | manual | S | 173 | 0.8103 | -0.5 | 0.6 | |
--.CRE.Z. | 1991-06-17T07:35:44.00 | 10.0 | undecidable | manual | S | 58 | 0.7659 | -0.79 | 0.3 | |
--.PII.Z. | 1991-06-17T07:35:41.90 | 10.0 | undecidable | manual | S | 322 | 0.6105 | 0.46 | 0.6 | |
--.MAO.Z. | 1991-06-17T07:35:34.67 | 10.0 | undecidable | manual | P | 173 | 0.8103 | 0.14 | 2.1 | |
--.BDI.Z. | 1991-06-17T07:35:34.65 | 10.0 | undecidable | manual | P | 338 | 0.888 | -0.9 | 0.6 | |
--.CRE.Z. | 1991-06-17T07:35:34.62 | 10.0 | undecidable | manual | P | 58 | 0.7659 | 0.67 | 1.1 | |
--.PII.Z. | 1991-06-17T07:35:32.27 | 10.0 | undecidable | manual | P | 322 | 0.6105 | 0.26 | 2 |