A magnitude Md 2.5 earthquake occured in region: 5 km W Castelnuovo di Val di Cecina (PI), on
and geographic coordinates (lat, lon) 43.2200, 10.8520 at 4 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 |
Monterotondo Marittimo | GR | 8 | 1371 | 3602 |
Pomarance | PI | 9 | 5897 | 9499 |
Monteverdi Marittimo | PI | 12 | 758 | 10257 |
Radicondoli | SI | 16 | 914 | 11171 |
Montieri | GR | 17 | 1204 | 12375 |
Massa Marittima | GR | 19 | 8375 | 20750 |
Sassetta | LI | 20 | 514 | 21264 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 1998-11-09 01:58:01 |
43.22 | 10.852 | 4 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 354649 |
Field | Value |
---|---|
Time (UTC) | 1998-11-09 01:58:01 ± 0.38 |
Latitude | 43.2200 ± 0.0146 |
Longitude | 10.8520 ± 0.0141 |
Depth (km) | 4 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 354649 |
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) | 1987.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 232 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
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) | 0.00364 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01522 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 354649 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:32:24 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CRE.Z. | 1998-11-09T01:58:32.50 | 10.0 | undecidable | manual | SG | 63 | 0.888 | -0.45 | 0.3 | |
--.BDI.Z. | 1998-11-09T01:58:32.40 | 10.0 | undecidable | manual | SG | 348 | 0.8547 | 0.41 | 0.3 | |
--.NRCA.Z. | 1998-11-09T01:58:31.96 | 10.0 | undecidable | manual | PN | 102 | 1.6872 | 0.41 | 0.5 | |
--.ASS.Z. | 1998-11-09T01:58:25.81 | 10.0 | undecidable | manual | PN | 96 | 1.3098 | -0.6 | 0.2 | |
--.GU9.Z. | 1998-11-09T01:58:24.10 | 10.0 | undecidable | manual | PN | 350 | 1.1433 | 0.1 | 1.6 | |
--.PII.Z. | 1998-11-09T01:58:22.00 | 10.0 | undecidable | manual | SG | 334 | 0.5439 | -0.13 | 0.7 | |
--.SFI.Z. | 1998-11-09T01:58:21.63 | 10.0 | undecidable | manual | PG | 46 | 0.9879 | 0.15 | 1.6 | |
--.CRE.Z. | 1998-11-09T01:58:20.00 | 10.0 | undecidable | manual | PG | 63 | 0.888 | 0.41 | 0.8 | |
--.BDI.Z. | 1998-11-09T01:58:18.84 | 10.0 | undecidable | manual | PG | 348 | 0.8547 | -0.2 | 1.6 | |
--.CSNT.Z. | 1998-11-09T01:58:17.00 | 10.0 | undecidable | manual | SG | 51 | 0.3996 | -0.09 | 0.7 | |
--.PII.Z. | 1998-11-09T01:58:13.22 | 10.0 | undecidable | manual | PG | 334 | 0.5439 | -0.13 | 1.8 | |
--.CSNT.Z. | 1998-11-09T01:58:10.38 | 10.0 | undecidable | manual | PG | 51 | 0.3996 | -0.06 | 1.9 |