A magnitude Md 2.5 earthquake occured in region: 5 km S Pomarance (PI), on
and geographic coordinates (lat, lon) 43.2560, 10.8620 at 6 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 |
---|---|---|---|---|
Pomarance | PI | 5 | 5897 | 5897 |
Castelnuovo di Val di Cecina | PI | 7 | 2231 | 8128 |
Monterotondo Marittimo | GR | 12 | 1371 | 9499 |
Radicondoli | SI | 15 | 914 | 10413 |
Monteverdi Marittimo | PI | 15 | 758 | 11171 |
Volterra | PI | 16 | 10519 | 21690 |
Casole d'Elsa | SI | 18 | 3897 | 25587 |
Montecatini Val di Cecina | PI | 18 | 1749 | 27336 |
Montieri | GR | 19 | 1204 | 28540 |
Guardistallo | PI | 20 | 1234 | 29774 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5
ML-VAX 1.9 |
1992-01-06 02:34:55 |
43.256 | 10.862 | 6 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 156439 |
Field | Value |
---|---|
Time (UTC) | 1992-01-06 02:34:55 ± 0.516 |
Latitude | 43.2560 ± 0.0153 |
Longitude | 10.8620 ± 0.0217 |
Depth (km) | 6 ± 4 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 156439 |
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) | 2446.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 248 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00745 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01376 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 156439 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:26:06 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 156439 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.ASS.Z. | 1992-01-06T02:35:37.50 | 10.0 | undecidable | manual | SN | 97 | 1.3098 | -0.79 | 0.1 | |
--.SFI.Z. | 1992-01-06T02:35:29.31 | 10.0 | undecidable | manual | SG | 47 | 0.9657 | 0.34 | 0.6 | |
--.MME.Z. | 1992-01-06T02:35:28.41 | 10.0 | undecidable | manual | SG | 352 | 0.9324 | 0.08 | 0.8 | |
--.PGD.Z. | 1992-01-06T02:35:25.98 | 10.0 | undecidable | manual | SG | 44 | 0.8769 | -0.22 | 0.7 | |
--.BDI.Z. | 1992-01-06T02:35:25.12 | 10.0 | undecidable | manual | SG | 346 | 0.8214 | 0.51 | 0.4 | |
--.ARV.Z. | 1992-01-06T02:35:23.71 | 10.0 | undecidable | manual | PN | 79 | 1.5318 | 0.65 | 0.4 | |
--.ASS.Z. | 1992-01-06T02:35:20.20 | 10.0 | undecidable | manual | PN | 97 | 1.3098 | 0.05 | 1.8 | |
--.MME.Z. | 1992-01-06T02:35:14.34 | 10.0 | undecidable | manual | PG | 352 | 0.9324 | -0.06 | 2 | |
--.SFI.Z. | 1992-01-06T02:35:14.36 | 10.0 | undecidable | manual | PG | 47 | 0.9657 | -0.4 | 1.2 | |
--.PGD.Z. | 1992-01-06T02:35:13.24 | 10.0 | undecidable | manual | PG | 44 | 0.8769 | 0.07 | 2 | |
--.BDI.Z. | 1992-01-06T02:35:11.76 | 10.0 | undecidable | manual | PG | 346 | 0.8214 | -0.49 | 1 |