A magnitude Md 2.1 earthquake occured in region: 6 km SW Bagno di Romagna (FC), on
and geographic coordinates (lat, lon) 43.8150, 11.9340 at 9 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 |
---|---|---|---|---|
Bagno di Romagna | FC | 6 | 6026 | 6026 |
Verghereto | FC | 6 | 1907 | 7933 |
Chiusi della Verna | AR | 13 | 2023 | 9956 |
Santa Sofia | FC | 15 | 4136 | 14092 |
Bibbiena | AR | 16 | 12241 | 26333 |
Poppi | AR | 17 | 6160 | 32493 |
Pratovecchio Stia | AR | 17 | 5845 | 38338 |
Chitignano | AR | 18 | 899 | 39237 |
Casteldelci | RN | 18 | 407 | 39644 |
Pieve Santo Stefano | AR | 18 | 3183 | 42827 |
Caprese Michelangelo | AR | 19 | 1426 | 44253 |
Castel Focognano | AR | 20 | 3149 | 47402 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1997-02-02 17:18:39 |
43.815 | 11.934 | 9 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 260339 |
Field | Value |
---|---|
Time (UTC) | 1997-02-02 17:18:39 ± 0.187 |
Latitude | 43.8150 ± 0.0094 |
Longitude | 11.9340 ± 0.0221 |
Depth (km) | 9 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 260339 |
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) | 2062.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 107 |
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) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00097 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00518 |
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 | 260339 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:06:16 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CSNT.Z. | 1997-02-02T17:18:58.72 | 10.0 | undecidable | manual | SG | 233 | 0.5772 | -0.93 | 0 | |
--.CSNT.Z. | 1997-02-02T17:18:51.48 | 10.0 | negative | manual | PG | 233 | 0.5772 | 0.52 | 0.9 | |
--.RSM.Z. | 1997-02-02T17:18:47.64 | 10.0 | undecidable | manual | PG | 72 | 0.3885 | 0.15 | 1.3 | |
--.CRE.Z. | 1997-02-02T17:18:47.33 | 10.0 | undecidable | manual | SG | 176 | 0.1887 | 0.04 | 0.6 | |
--.SFI.Z. | 1997-02-02T17:18:44.32 | 10.0 | undecidable | manual | SG | 325 | 0.111 | -0.09 | 0.6 | |
--.CRE.Z. | 1997-02-02T17:18:43.54 | 10.0 | positive | manual | PG | 176 | 0.1887 | -0.29 | 2.4 | |
--.SFI.Z. | 1997-02-02T17:18:41.86 | 10.0 | undecidable | manual | PG | 325 | 0.111 | -0.3 | 1.1 |