A magnitude Md 2.5 earthquake occured in region: 4 km NW Colle di Val d'Elsa (SI), on
and geographic coordinates (lat, lon) 43.4530, 11.0950 at 10 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 |
---|---|---|---|---|
Colle di Val d'Elsa | SI | 4 | 21620 | 21620 |
San Gimignano | SI | 5 | 7820 | 29440 |
Poggibonsi | SI | 5 | 29196 | 58636 |
Certaldo | FI | 12 | 16121 | 74757 |
Barberino Val d'Elsa | FI | 12 | 4386 | 79143 |
Monteriggioni | SI | 12 | 9810 | 88953 |
Casole d'Elsa | SI | 13 | 3897 | 92850 |
Tavarnelle Val di Pesa | FI | 14 | 7800 | 100650 |
Gambassi Terme | FI | 15 | 4870 | 105520 |
Castellina in Chianti | SI | 16 | 2859 | 108379 |
Montaione | FI | 18 | 3700 | 112079 |
Castelfiorentino | FI | 20 | 17504 | 129583 |
Volterra | PI | 20 | 10519 | 140102 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 1985-06-23 01:24:14 |
43.453 | 11.095 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 8969 |
Field | Value |
---|---|
Time (UTC) | 1985-06-23 01:24:14 ± 0.86 |
Latitude | 43.4530 ± 0.0637 |
Longitude | 11.0950 ± 0.0358 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 8969 |
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) | 7645.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 229 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.6 |
Epicentral distance of station closest to the epicenter (degree) | 0.00437 |
Epicentral distance of station farthest from the epicenter (degree) | 0.02356 |
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 | 2.5 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 8969 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:12:52 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CTI.Z. | 1985-06-23T01:24:58.50 | 10.0 | undecidable | manual | PN | 8 | 2.6196 | 1.7 | 0.2 | |
--.BD1.Z. | 1985-06-23T01:24:39.00 | 10.0 | undecidable | manual | SG | 329 | 0.6993 | -0.35 | 1 | |
--.CH1.Z. | 1985-06-23T01:24:36.50 | 10.0 | undecidable | manual | SG | 73 | 0.6327 | -0.75 | 0.6 | |
--.PS9.Z. | 1985-06-23T01:24:31.00 | 10.0 | undecidable | manual | SG | 302 | 0.4884 | -1.47 | 0.3 | |
--.BD1.Z. | 1985-06-23T01:24:29.50 | 10.0 | undecidable | manual | PG | 329 | 0.6993 | 0.55 | 1.5 | |
--.CH1.Z. | 1985-06-23T01:24:27.50 | 10.0 | undecidable | manual | PG | 73 | 0.6327 | -0.23 | 1.6 | |
--.PS9.Z. | 1985-06-23T01:24:25.00 | 10.0 | undecidable | manual | PG | 302 | 0.4884 | 0.02 | 1.8 |