A magnitude Md 2.2 earthquake occured in region: 4 km NE Foligno (PG), on
and geographic coordinates (lat, lon) 42.9880, 12.7260 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 |
---|---|---|---|---|
Foligno | PG | 4 | 57155 | 57155 |
Spello | PG | 4 | 8645 | 65800 |
Valtopina | PG | 8 | 1398 | 67198 |
Bevagna | PG | 11 | 5081 | 72279 |
Cannara | PG | 12 | 4305 | 76584 |
Montefalco | PG | 12 | 5679 | 82263 |
Trevi | PG | 12 | 8469 | 90732 |
Assisi | PG | 13 | 28299 | 119031 |
Nocera Umbra | PG | 15 | 5839 | 124870 |
Gualdo Cattaneo | PG | 16 | 6155 | 131025 |
Bastia Umbra | PG | 17 | 21874 | 152899 |
Castel Ritaldi | PG | 19 | 3278 | 156177 |
Campello sul Clitunno | PG | 19 | 2442 | 158619 |
Bettona | PG | 20 | 4367 | 162986 |
Sellano | PG | 20 | 1079 | 164065 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1997-12-20 15:45:27 |
42.988 | 12.726 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 317469 |
Field | Value |
---|---|
Time (UTC) | 1997-12-20 15:45:27 ± 0.31 |
Latitude | 42.9880 ± 0.0157 |
Longitude | 12.7260 ± 0.0242 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 317469 |
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) | 2628.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 205 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
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) | 0.00081 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00631 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 317469 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:57:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.FB9.Z. | 1997-12-20T15:45:53.40 | 10.0 | undecidable | manual | SG | 2 | 0.6993 | 0.09 | 0.6 | |
--.ARV.Z. | 1997-12-20T15:45:47.80 | 10.0 | undecidable | manual | SG | 17 | 0.5328 | -0.77 | 0.1 | |
--.FB9.Z. | 1997-12-20T15:45:43.16 | 10.0 | undecidable | manual | PG | 2 | 0.6993 | 0.63 | 0.5 | |
--.NRCA.Z. | 1997-12-20T15:45:39.62 | 10.0 | undecidable | manual | SG | 118 | 0.3108 | -0.72 | 0.2 | |
--.ARV.Z. | 1997-12-20T15:45:39.32 | 10.0 | undecidable | manual | PG | 17 | 0.5328 | -0.05 | 1.7 | |
--.NRCA.Z. | 1997-12-20T15:45:35.21 | 10.0 | undecidable | manual | PG | 118 | 0.3108 | 0.17 | 1.9 | |
--.SNTG.Z. | 1997-12-20T15:45:34.95 | 10.0 | undecidable | manual | PG | 30 | 0.3108 | 0.2 | 1.8 | |
--.ASS.Z. | 1997-12-20T15:45:31.10 | 10.0 | undecidable | manual | SG | 324 | 0.0888 | -0.73 | 0.2 | |
--.ASS.Z. | 1997-12-20T15:45:30.00 | 10.0 | undecidable | manual | PG | 324 | 0.0888 | -0.08 | 2 |