A magnitude ML 1.1 earthquake occured in region: 7 km E Castelnuovo di Val di Cecina (PI), on
and geographic coordinates (lat, lon) 43.2050, 10.9880 at 2 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 | 7 | 2231 | 2231 |
Radicondoli | SI | 8 | 914 | 3145 |
Montieri | GR | 9 | 1204 | 4349 |
Chiusdino | SI | 10 | 1903 | 6252 |
Monterotondo Marittimo | GR | 13 | 1371 | 7623 |
Pomarance | PI | 14 | 5897 | 13520 |
Casole d'Elsa | SI | 16 | 3897 | 17417 |
Monticiano | SI | 17 | 1571 | 18988 |
Massa Marittima | GR | 19 | 8375 | 27363 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.5
ML 1.1 |
2011-11-15 23:32:55 |
43.205 | 10.988 | 2 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 1309089 |
Field | Value |
---|---|
Time (UTC) | 2011-11-15 23:32:55 ± 0.08 |
Latitude | 43.2050 ± 0.0054 |
Longitude | 10.9880 ± 0.0037 |
Depth (km) | 2 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 1309089 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 579 |
Semi-minor axis of confidence ellipse (meter) | 316 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 349 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 670.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 164 |
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) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.10972 |
Epicentral distance of station farthest from the epicenter (degree) | 0.22393 |
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 | 1.1 |
Uncertainty | 0.3 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 1309089 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-06 01:59:10 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.2 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 1309089 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-06 01:59:10 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SASS.HHE. | 2011-11-15T23:33:04.14 | 0.3 | undecidable | manual | Sg | 284 | 24.8529 | -0.212 | 71 | |
IV.FROS.HHZ. | 2011-11-15T23:33:00.40 | 0.1 | undecidable | manual | Sg | 88 | 13.5753 | -0.069 | 99 | |
IV.SASS.HHE. | 2011-11-15T23:33:00.96 | 0.3 | undecidable | manual | Pg | 284 | 24.8529 | 0.264 | 70 | |
IV.TRIF.HHE. | 2011-11-15T23:32:59.94 | 0.1 | undecidable | manual | Sg | 215 | 12.1767 | -0.037 | 100 | |
IV.TRIF.HHE. | 2011-11-15T23:32:58.20 | 0.1 | undecidable | manual | Pg | 215 | 12.1767 | 0.034 | 100 | |
IV.FROS.HHZ. | 2011-11-15T23:32:58.49 | 0.3 | undecidable | manual | Pg | 88 | 13.5753 | 0.039 | 75 |