A magnitude Md 2.1 earthquake occured in region: 8 km W Nocera Umbra (PG), on
and geographic coordinates (lat, lon) 43.1410, 12.7030 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 |
---|---|---|---|---|
Nocera Umbra | PG | 8 | 5839 | 5839 |
Valfabbrica | PG | 9 | 3389 | 9228 |
Valtopina | PG | 10 | 1398 | 10626 |
Assisi | PG | 10 | 28299 | 38925 |
Gualdo Tadino | PG | 12 | 15208 | 54133 |
Bastia Umbra | PG | 15 | 21874 | 76007 |
Spello | PG | 17 | 8645 | 84652 |
Fossato di Vico | PG | 18 | 2840 | 87492 |
Cannara | PG | 19 | 4305 | 91797 |
Fiuminata | MC | 19 | 1402 | 93199 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1997-10-07 08:21:45 |
43.141 | 12.703 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 292199 |
Field | Value |
---|---|
Time (UTC) | 1997-10-07 08:21:45 ± 0.219 |
Latitude | 43.1410 ± 0.0182 |
Longitude | 12.7030 ± 0.0646 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 292199 |
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) | 5621.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 160 |
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) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00073 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00680 |
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 | 292199 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:35:04 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1997-10-07T08:22:13.72 | 10.0 | undecidable | manual | SG | 181 | 0.7548 | 0.67 | 0.3 | |
--.FB9.Z. | 1997-10-07T08:22:07.67 | 10.0 | undecidable | manual | SG | 5 | 0.5439 | 1.09 | 0.1 | |
--.MNS.Z. | 1997-10-07T08:22:01.71 | 10.0 | undecidable | manual | PG | 181 | 0.7548 | 0.13 | 1.4 | |
--.ARV.Z. | 1997-10-07T08:22:01.50 | 10.0 | undecidable | manual | SG | 25 | 0.3996 | 0.13 | 0.7 | |
--.FB9.Z. | 1997-10-07T08:21:57.86 | 10.0 | undecidable | manual | PG | 5 | 0.5439 | 0.01 | 1.7 | |
--.ARV.Z. | 1997-10-07T08:21:53.85 | 10.0 | undecidable | manual | PG | 25 | 0.3996 | -0.99 | 0.4 | |
--.ASS.Z. | 1997-10-07T08:21:49.42 | 10.0 | undecidable | manual | SG | 205 | 0.0777 | -0.26 | 0.7 | |
--.ASS.Z. | 1997-10-07T08:21:47.68 | 10.0 | positive | manual | PG | 205 | 0.0777 | -0.41 | 2.8 |