A magnitude Md 2.2 earthquake occured in region: 4 km SW Valtopina (PG), on
and geographic coordinates (lat, lon) 43.0280, 12.7390 at 17 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 |
---|---|---|---|---|
Valtopina | PG | 4 | 1398 | 1398 |
Spello | PG | 7 | 8645 | 10043 |
Foligno | PG | 8 | 57155 | 67198 |
Nocera Umbra | PG | 10 | 5839 | 73037 |
Assisi | PG | 11 | 28299 | 101336 |
Cannara | PG | 13 | 4305 | 105641 |
Bevagna | PG | 15 | 5081 | 110722 |
Bastia Umbra | PG | 16 | 21874 | 132596 |
Montefalco | PG | 16 | 5679 | 138275 |
Trevi | PG | 17 | 8469 | 146744 |
Serravalle di Chienti | MC | 18 | 1070 | 147814 |
Valfabbrica | PG | 18 | 3389 | 151203 |
Gualdo Cattaneo | PG | 20 | 6155 | 157358 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1997-10-07 00:54:03 |
43.028 | 12.739 | 17 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 291469 |
Field | Value |
---|---|
Time (UTC) | 1997-10-07 00:54:03 ± 0.231 |
Latitude | 43.0280 ± 0.0070 |
Longitude | 12.7390 ± 0.0429 |
Depth (km) | 17 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 291469 |
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) | 3575.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 126 |
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) | 0.00057 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00745 |
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 | 291469 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:34:26 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.FB9.Z. | 1997-10-07T00:54:26.85 | 10.0 | undecidable | manual | SG | 2 | 0.6549 | 0.4 | 0.5 | |
--.MNS.Z. | 1997-10-07T00:54:25.96 | 10.0 | undecidable | manual | SG | 183 | 0.6327 | 0.17 | 0.7 | |
--.ARV.Z. | 1997-10-07T00:54:20.67 | 10.0 | undecidable | manual | SG | 17 | 0.4884 | -0.34 | 0.6 | |
--.AQU.Z. | 1997-10-07T00:54:20.90 | 10.0 | undecidable | manual | PG | 143 | 0.8214 | 0.44 | 0.9 | |
--.FB9.Z. | 1997-10-07T00:54:16.93 | 10.0 | undecidable | manual | PG | 2 | 0.6549 | 0.35 | 1.3 | |
--.MNS.Z. | 1997-10-07T00:54:15.70 | 10.0 | undecidable | manual | PG | 183 | 0.6327 | -0.5 | 0.9 | |
--.ARV.Z. | 1997-10-07T00:54:12.89 | 10.0 | undecidable | manual | PG | 17 | 0.4884 | -0.55 | 0.8 | |
--.ASS.Z. | 1997-10-07T00:54:09.20 | 10.0 | undecidable | manual | SG | 298 | 0.0666 | -0.04 | 0.9 | |
--.ASS.Z. | 1997-10-07T00:54:06.56 | 10.0 | undecidable | manual | PG | 298 | 0.0666 | 0.02 | 2.3 |