A magnitude Md 2.1 earthquake occured in region: 6 km NE San Marcello Pistoiese (PT), on
and geographic coordinates (lat, lon) 44.0880, 10.8580 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 |
---|---|---|---|---|
San Marcello Pistoiese | PT | 6 | 6416 | 6416 |
Cutigliano | PT | 8 | 1488 | 7904 |
Lizzano in Belvedere | BO | 9 | 2212 | 10116 |
Piteglio | PT | 10 | 1683 | 11799 |
Sambuca Pistoiese | PT | 12 | 1626 | 13425 |
Alto Reno Terme | BO | 12 | 6960 | 20385 |
Gaggio Montano | BO | 14 | 4878 | 25263 |
Fanano | MO | 14 | 2989 | 28252 |
Castel di Casio | BO | 17 | 3448 | 31700 |
Abetone | PT | 17 | 621 | 32321 |
Sestola | MO | 17 | 2508 | 34829 |
Pistoia | PT | 18 | 90315 | 125144 |
Marliana | PT | 18 | 3210 | 128354 |
Fiumalbo | MO | 20 | 1280 | 129634 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1991-07-17 21:54:18 |
44.088 | 10.858 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 145699 |
Field | Value |
---|---|
Time (UTC) | 1991-07-17 21:54:18 ± 0.441 |
Latitude | 44.0880 ± 0.0426 |
Longitude | 10.8580 ± 0.0197 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 145699 |
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) | 4991.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 201 |
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) | 0.00170 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00818 |
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 | 2.1 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 145699 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:16:01 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CRE.Z. | 1991-07-17T21:54:50.50 | 10.0 | undecidable | manual | SG | 120 | 0.9102 | 0.31 | 0.5 | |
--.CRE.Z. | 1991-07-17T21:54:36.50 | 10.0 | undecidable | manual | PG | 120 | 0.9102 | -0.45 | 1.4 | |
--.PII.Z. | 1991-07-17T21:54:35.50 | 10.0 | undecidable | manual | SG | 213 | 0.4329 | 0.64 | 0.5 | |
--.SFI.Z. | 1991-07-17T21:54:34.00 | 10.0 | undecidable | manual | PG | 103 | 0.7326 | 0.41 | 1.6 | |
--.BDI.Z. | 1991-07-17T21:54:27.50 | 10.0 | undecidable | manual | SG | 262 | 0.1887 | 0.65 | 0.7 | |
--.PII.Z. | 1991-07-17T21:54:26.50 | 10.0 | undecidable | manual | PG | 213 | 0.4329 | -1.59 | 0.3 | |
--.BDI.Z. | 1991-07-17T21:54:23.20 | 10.0 | undecidable | manual | PG | 262 | 0.1887 | -0.27 | 1.8 |