A magnitude ML 1.2 earthquake occured in region: 5 km NW Castelnuovo di Val di Cecina (PI), on
and geographic coordinates (lat, lon) 43.2350, 10.8650 at 1 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 |
---|---|---|---|---|
Castelnuovo di Val di Cecina | PI | 5 | 2231 | 2231 |
Pomarance | PI | 7 | 5897 | 8128 |
Monterotondo Marittimo | GR | 10 | 1371 | 9499 |
Monteverdi Marittimo | PI | 14 | 758 | 10257 |
Radicondoli | SI | 15 | 914 | 11171 |
Montieri | GR | 17 | 1204 | 12375 |
Volterra | PI | 19 | 10519 | 22894 |
Casole d'Elsa | SI | 19 | 3897 | 26791 |
Montecatini Val di Cecina | PI | 20 | 1749 | 28540 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.9
ML 1.2 |
2011-06-26 21:37:20 |
43.235 | 10.865 | 1 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 1247089 |
Field | Value |
---|---|
Time (UTC) | 2011-06-26 21:37:20 ± 0.05 |
Latitude | 43.2350 ± 0.0027 |
Longitude | 10.8650 ± 0.0025 |
Depth (km) | 1 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 1247089 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 421 |
Semi-minor axis of confidence ellipse (meter) | 210 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 21 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 360.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 177 |
Number of associated phases, regardless of their use for origin computation | 6 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.11 |
Epicentral distance of station closest to the epicenter (degree) | 0.12321 |
Epicentral distance of station farthest from the epicenter (degree) | 0.21314 |
Number of stations at which the event was observed | 3 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.1 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 1247089 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-06 00:32:39 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | 0.1 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 1247089 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-06 00:32:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FROS.HHZ. | 2011-06-26T21:37:29.27 | 0.3 | undecidable | manual | Sg | 97 | 23.6541 | 0.075 | 73 | |
IV.FROS.HHZ. | 2011-06-26T21:37:25.62 | 0.1 | undecidable | manual | Pg | 97 | 23.6541 | -0.103 | 97 | |
IV.TRIF.HHZ. | 2011-06-26T21:37:25.67 | 0.1 | undecidable | manual | Sg | 167 | 13.6752 | -0.042 | 100 | |
IV.SASS.HHZ. | 2011-06-26T21:37:25.95 | 0.1 | undecidable | manual | Sg | 280 | 14.3745 | -0.024 | 100 | |
IV.TRIF.HHZ. | 2011-06-26T21:37:23.78 | 0.1 | undecidable | manual | Pg | 167 | 13.6752 | 0.073 | 99 | |
IV.SASS.HHZ. | 2011-06-26T21:37:23.90 | 0.1 | undecidable | manual | Pg | 280 | 14.3745 | 0.038 | 100 |