A magnitude Md 2.2 earthquake occured in region: 6 km W Verghereto (FC), on
and geographic coordinates (lat, lon) 43.7930, 11.9280 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 |
---|---|---|---|---|
Verghereto | FC | 6 | 1907 | 1907 |
Bagno di Romagna | FC | 8 | 6026 | 7933 |
Chiusi della Verna | AR | 10 | 2023 | 9956 |
Bibbiena | AR | 14 | 12241 | 22197 |
Chitignano | AR | 15 | 899 | 23096 |
Poppi | AR | 15 | 6160 | 29256 |
Pieve Santo Stefano | AR | 17 | 3183 | 32439 |
Pratovecchio Stia | AR | 17 | 5845 | 38284 |
Caprese Michelangelo | AR | 17 | 1426 | 39710 |
Santa Sofia | FC | 17 | 4136 | 43846 |
Castel Focognano | AR | 17 | 3149 | 46995 |
Casteldelci | RN | 18 | 407 | 47402 |
Ortignano Raggiolo | AR | 19 | 878 | 48280 |
Castel San Niccolò | AR | 19 | 2707 | 50987 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1991-01-22 02:36:53 |
43.793 | 11.928 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 134779 |
Field | Value |
---|---|
Time (UTC) | 1991-01-22 02:36:53 ± 0.128 |
Latitude | 43.7930 ± 0.0096 |
Longitude | 11.9280 ± 0.0207 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 134779 |
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) | 1975.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 158 |
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) | 0.00105 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00809 |
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 | 2.2 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 134779 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:05:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ASS.Z. | 1991-01-22T02:37:23.69 | 10.0 | undecidable | manual | SG | 143 | 0.8991 | -0.26 | 0.2 | |
--.ARV.Z. | 1991-01-22T02:37:20.52 | 10.0 | undecidable | manual | SG | 111 | 0.7881 | 0.04 | 0.4 | |
--.ASS.Z. | 1991-01-22T02:37:11.74 | 10.0 | undecidable | manual | PG | 143 | 0.8991 | 0.8 | 0.1 | |
--.ARV.Z. | 1991-01-22T02:37:08.85 | 10.0 | undecidable | manual | PG | 111 | 0.7881 | -0.08 | 0.9 | |
--.CRE.Z. | 1991-01-22T02:37:00.10 | 10.0 | undecidable | manual | SG | 174 | 0.1665 | -0.55 | 0.1 | |
--.SFI.Z. | 1991-01-22T02:36:59.30 | 10.0 | undecidable | manual | SG | 332 | 0.1221 | -0.07 | 0.6 | |
--.CRE.Z. | 1991-01-22T02:36:57.52 | 10.0 | positive | manual | PG | 174 | 0.1665 | 0.04 | 2.9 | |
--.SFI.Z. | 1991-01-22T02:36:56.58 | 10.0 | positive | manual | PG | 332 | 0.1221 | 0 | 2.9 |