A magnitude Md 2.0 earthquake occured in region: 8 km SE Valtopina (PG), on
and geographic coordinates (lat, lon) 43.0140, 12.8350 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 | 8 | 1398 | 1398 |
Nocera Umbra | PG | 12 | 5839 | 7237 |
Serravalle di Chienti | MC | 12 | 1070 | 8307 |
Foligno | PG | 12 | 57155 | 65462 |
Spello | PG | 13 | 8645 | 74107 |
Monte Cavallo | MC | 14 | 145 | 74252 |
Sellano | PG | 16 | 1079 | 75331 |
Trevi | PG | 17 | 8469 | 83800 |
Sefro | MC | 18 | 422 | 84222 |
Pieve Torina | MC | 18 | 1458 | 85680 |
Muccia | MC | 19 | 915 | 86595 |
Assisi | PG | 19 | 28299 | 114894 |
Montefalco | PG | 20 | 5679 | 120573 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.0 | 1997-10-27 20:48:23 |
43.014 | 12.835 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 307139 |
Field | Value |
---|---|
Time (UTC) | 1997-10-27 20:48:23 ± 0.174 |
Latitude | 43.0140 ± 0.0091 |
Longitude | 12.8350 ± 0.0135 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 307139 |
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) | 1493.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 113 |
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) | 0.00121 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00575 |
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 | 2.0 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 307139 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:48:17 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1997-10-27T20:48:46.50 | 10.0 | undecidable | manual | SG | 190 | 0.6327 | -0.8 | 0.1 | |
--.MNS.Z. | 1997-10-27T20:48:37.00 | 10.0 | undecidable | manual | PG | 190 | 0.6327 | -0.43 | 1 | |
--.NRCA.Z. | 1997-10-27T20:48:35.17 | 10.0 | undecidable | manual | SG | 131 | 0.2664 | 0.63 | 0.4 | |
--.SNTG.Z. | 1997-10-27T20:48:33.48 | 10.0 | undecidable | manual | SG | 17 | 0.2553 | -0.34 | 0.7 | |
--.NRCA.Z. | 1997-10-27T20:48:30.41 | 10.0 | undecidable | manual | PG | 131 | 0.2664 | 0.34 | 1.8 | |
--.SNTG.Z. | 1997-10-27T20:48:29.33 | 10.0 | undecidable | manual | PG | 17 | 0.2553 | -0.31 | 1.9 | |
--.ASS.Z. | 1997-10-27T20:48:29.75 | 10.0 | undecidable | manual | SG | 289 | 0.1332 | 0.09 | 0.9 | |
--.ASS.Z. | 1997-10-27T20:48:27.80 | 10.0 | undecidable | manual | PG | 289 | 0.1332 | 0.55 | 1.1 |