A magnitude Md 2.1 earthquake occured in region: 6 km SW Badia Tedalda (AR), on
and geographic coordinates (lat, lon) 43.6760, 12.1240 at 5 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 |
---|---|---|---|---|
Badia Tedalda | AR | 6 | 1087 | 1087 |
Pieve Santo Stefano | AR | 7 | 3183 | 4270 |
Caprese Michelangelo | AR | 12 | 1426 | 5696 |
Sansepolcro | AR | 12 | 15884 | 21580 |
Casteldelci | RN | 13 | 407 | 21987 |
Borgo Pace | PU | 14 | 606 | 22593 |
Sestino | AR | 15 | 1355 | 23948 |
San Giustino | PG | 15 | 11297 | 35245 |
Chiusi della Verna | AR | 15 | 2023 | 37268 |
Anghiari | AR | 16 | 5638 | 42906 |
Verghereto | FC | 16 | 1907 | 44813 |
Mercatello sul Metauro | PU | 18 | 1378 | 46191 |
Pennabilli | RN | 20 | 2869 | 49060 |
Chitignano | AR | 20 | 899 | 49959 |
Citerna | PG | 20 | 3531 | 53490 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1991-07-08 22:03:21 |
43.676 | 12.124 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 144879 |
Field | Value |
---|---|
Time (UTC) | 1991-07-08 22:03:21 ± 0.099 |
Latitude | 43.6760 ± 0.0082 |
Longitude | 12.1240 ± 0.0061 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 144879 |
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) | 1034.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 147 |
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) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00121 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00550 |
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 | 3 |
Type of magnitude | Md |
Reference to an origin | 144879 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:15:16 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1991-07-08T22:03:44.58 | 10.0 | undecidable | manual | SG | 106 | 0.6105 | 0 | 0.4 | |
--.SFI.Z. | 1991-07-08T22:03:34.00 | 10.0 | undecidable | manual | SG | 318 | 0.2997 | 0.39 | 0 | |
--.ARV.Z. | 1991-07-08T22:03:34.98 | 10.0 | undecidable | manual | PG | 106 | 0.6105 | 0.02 | 1.1 | |
--.PGD.Z. | 1991-07-08T22:03:29.78 | 10.0 | undecidable | manual | PG | 304 | 0.3552 | 0.06 | 1.4 | |
--.SFI.Z. | 1991-07-08T22:03:28.24 | 10.0 | undecidable | manual | PG | 318 | 0.2997 | -0.38 | 0.3 | |
--.CRE.Z. | 1991-07-08T22:03:27.39 | 10.0 | undecidable | manual | SG | 245 | 0.1332 | 0.02 | 0.6 | |
--.CRE.Z. | 1991-07-08T22:03:25.10 | 10.0 | positive | manual | PG | 245 | 0.1332 | -0.02 | 3.2 |