A magnitude Md 2.3 earthquake occured in region: 8 km NE Volterra (PI), on
and geographic coordinates (lat, lon) 43.4630, 10.9150 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 |
---|---|---|---|---|
Volterra | PI | 8 | 10519 | 10519 |
Gambassi Terme | FI | 9 | 4870 | 15389 |
Montaione | FI | 10 | 3700 | 19089 |
San Gimignano | SI | 10 | 7820 | 26909 |
Certaldo | FI | 14 | 16121 | 43030 |
Lajatico | PI | 15 | 1336 | 44366 |
Montecatini Val di Cecina | PI | 16 | 1749 | 46115 |
Castelfiorentino | FI | 17 | 17504 | 63619 |
Casole d'Elsa | SI | 17 | 3897 | 67516 |
Colle di Val d'Elsa | SI | 17 | 21620 | 89136 |
Peccioli | PI | 18 | 4807 | 93943 |
Pomarance | PI | 18 | 5897 | 99840 |
Poggibonsi | SI | 19 | 29196 | 129036 |
Palaia | PI | 20 | 4612 | 133648 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3
ML-VAX 1.5 |
1996-07-24 02:46:27 |
43.463 | 10.915 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 249829 |
Field | Value |
---|---|
Time (UTC) | 1996-07-24 02:46:27 ± 0.114 |
Latitude | 43.4630 ± 0.0079 |
Longitude | 10.9150 ± 0.0045 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 249829 |
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) | 948.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 234 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00340 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00826 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 249829 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 20:56:20 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 249829 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.GU9.Z. | 1996-07-24T02:46:58.37 | 10.0 | undecidable | manual | SG | 344 | 0.9213 | -0.04 | 0.6 | |
--.SFI.Z. | 1996-07-24T02:46:54.92 | 10.0 | undecidable | manual | SG | 56 | 0.7992 | 0.11 | 0.5 | |
--.CRE.Z. | 1996-07-24T02:46:53.39 | 10.0 | undecidable | manual | SG | 77 | 0.7659 | -0.18 | 0.3 | |
--.GU9.Z. | 1996-07-24T02:46:45.34 | 10.0 | undecidable | manual | PG | 344 | 0.9213 | 0.19 | 0.6 | |
--.CRE.Z. | 1996-07-24T02:46:42.47 | 10.0 | undecidable | manual | PG | 77 | 0.7659 | 0.12 | 1.2 | |
--.SFI.Z. | 1996-07-24T02:46:42.89 | 10.0 | undecidable | manual | PG | 56 | 0.7992 | -0.19 | 0.7 | |
--.PII.Z. | 1996-07-24T02:46:41.90 | 10.0 | undecidable | manual | SG | 312 | 0.3774 | -0.15 | 0.3 | |
--.PII.Z. | 1996-07-24T02:46:35.23 | 10.0 | negative | manual | PG | 312 | 0.3774 | -0.01 | 3.8 |