A magnitude Md 2.1 earthquake occured in region: 7 km W Monte Cavallo (MC), on
and geographic coordinates (lat, lon) 42.9690, 12.9260 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 |
---|---|---|---|---|
Monte Cavallo | MC | 7 | 145 | 145 |
Sellano | PG | 9 | 1079 | 1224 |
Serravalle di Chienti | MC | 12 | 1070 | 2294 |
Pieve Torina | MC | 13 | 1458 | 3752 |
Preci | PG | 14 | 724 | 4476 |
Visso | MC | 14 | 1107 | 5583 |
Fiordimonte | MC | 15 | 202 | 5785 |
Muccia | MC | 16 | 915 | 6700 |
Cerreto di Spoleto | PG | 17 | 1075 | 7775 |
Pievebovigliana | MC | 17 | 866 | 8641 |
Valtopina | PG | 17 | 1398 | 10039 |
Trevi | PG | 18 | 8469 | 18508 |
Ussita | MC | 18 | 444 | 18952 |
Foligno | PG | 18 | 57155 | 76107 |
Nocera Umbra | PG | 19 | 5839 | 81946 |
Sefro | MC | 20 | 422 | 82368 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1997-10-08 23:14:50 |
42.969 | 12.926 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 293939 |
Field | Value |
---|---|
Time (UTC) | 1997-10-08 23:14:50 ± 0.101 |
Latitude | 42.9690 ± 0.0037 |
Longitude | 12.9260 ± 0.0099 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 293939 |
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) | 900.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 195 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00194 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00656 |
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 | 2 |
Type of magnitude | Md |
Reference to an origin | 293939 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:36:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1997-10-08T23:15:12.58 | 10.0 | undecidable | manual | SG | 197 | 0.5994 | 0.1 | 0.7 | |
--.ARV.Z. | 1997-10-08T23:15:10.50 | 10.0 | undecidable | manual | SG | 1 | 0.5217 | 0.15 | 0.4 | |
--.FB9.Z. | 1997-10-08T23:15:05.35 | 10.0 | undecidable | manual | PG | 351 | 0.7326 | 0.13 | 1.1 | |
--.MNS.Z. | 1997-10-08T23:15:02.93 | 10.0 | undecidable | manual | PG | 197 | 0.5994 | -0.05 | 1.9 | |
--.ARV.Z. | 1997-10-08T23:15:01.14 | 10.0 | undecidable | manual | PG | 1 | 0.5217 | -0.35 | 0.6 | |
--.ASS.Z. | 1997-10-08T23:14:58.45 | 10.0 | undecidable | manual | SG | 295 | 0.2109 | -0.23 | 0.5 | |
--.ASS.Z. | 1997-10-08T23:14:55.10 | 10.0 | undecidable | manual | PG | 295 | 0.2109 | 0.09 | 1.8 |