A magnitude Md 2.5 earthquake occured in region: 3 km SE Valtopina (PG), on
and geographic coordinates (lat, lon) 43.0460, 12.7800 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 |
---|---|---|---|---|
Valtopina | PG | 3 | 1398 | 1398 |
Nocera Umbra | PG | 7 | 5839 | 7237 |
Spello | PG | 11 | 8645 | 15882 |
Foligno | PG | 12 | 57155 | 73037 |
Assisi | PG | 14 | 28299 | 101336 |
Serravalle di Chienti | MC | 14 | 1070 | 102406 |
Cannara | PG | 17 | 4305 | 106711 |
Sefro | MC | 18 | 422 | 107133 |
Bevagna | PG | 19 | 5081 | 112214 |
Trevi | PG | 19 | 8469 | 120683 |
Bastia Umbra | PG | 19 | 21874 | 142557 |
Monte Cavallo | MC | 19 | 145 | 142702 |
Valfabbrica | PG | 19 | 3389 | 146091 |
Montefalco | PG | 20 | 5679 | 151770 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 1997-10-07 11:32:23 |
43.046 | 12.78 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 292399 |
Field | Value |
---|---|
Time (UTC) | 1997-10-07 11:32:23 ± 0.258 |
Latitude | 43.0460 ± 0.0149 |
Longitude | 12.7800 ± 0.0241 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 292399 |
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) | 2567.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 131 |
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) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.00081 |
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 | 2.5 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 292399 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:35:14 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1997-10-07T11:32:49.00 | 10.0 | undecidable | manual | SG | 186 | 0.6549 | 0.88 | 0.3 | |
--.ARV.Z. | 1997-10-07T11:32:42.56 | 10.0 | undecidable | manual | SG | 14 | 0.4662 | 0.74 | 0.5 | |
--.CRE.Z. | 1997-10-07T11:32:42.00 | 10.0 | undecidable | manual | PG | 313 | 0.8214 | 1.01 | 0.5 | |
--.AQU.Z. | 1997-10-07T11:32:41.00 | 10.0 | undecidable | manual | PG | 146 | 0.8214 | 0.06 | 1.7 | |
--.MNS.Z. | 1997-10-07T11:32:37.50 | 10.0 | undecidable | manual | PG | 186 | 0.6549 | -0.39 | 1.6 | |
--.ARV.Z. | 1997-10-07T11:32:33.46 | 10.0 | undecidable | manual | PG | 14 | 0.4662 | -0.79 | 1 | |
--.ASS.Z. | 1997-10-07T11:32:27.35 | 10.0 | undecidable | manual | SG | 280 | 0.0888 | -0.6 | 0.5 | |
--.ASS.Z. | 1997-10-07T11:32:26.00 | 10.0 | undecidable | manual | PG | 280 | 0.0888 | -0.25 | 2 |