A magnitude Md 2.3 earthquake occured in region: 7 km W Monte Cavallo (MC), on
and geographic coordinates (lat, lon) 42.9860, 12.9130 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 |
Serravalle di Chienti | MC | 10 | 1070 | 1215 |
Sellano | PG | 11 | 1079 | 2294 |
Pieve Torina | MC | 13 | 1458 | 3752 |
Muccia | MC | 15 | 915 | 4667 |
Valtopina | PG | 15 | 1398 | 6065 |
Fiordimonte | MC | 16 | 202 | 6267 |
Visso | MC | 16 | 1107 | 7374 |
Preci | PG | 16 | 724 | 8098 |
Pievebovigliana | MC | 16 | 866 | 8964 |
Nocera Umbra | PG | 17 | 5839 | 14803 |
Foligno | PG | 17 | 57155 | 71958 |
Trevi | PG | 18 | 8469 | 80427 |
Sefro | MC | 18 | 422 | 80849 |
Cerreto di Spoleto | PG | 18 | 1075 | 81924 |
Ussita | MC | 19 | 444 | 82368 |
Spello | PG | 20 | 8645 | 91013 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1997-10-20 01:45:24 |
42.986 | 12.913 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 303679 |
Field | Value |
---|---|
Time (UTC) | 1997-10-20 01:45:24 ± 0.156 |
Latitude | 42.9860 ± 0.0057 |
Longitude | 12.9130 ± 0.0152 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 303679 |
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) | 1387.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 193 |
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) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00178 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00639 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 303679 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:45:12 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.FB9.Z. | 1997-10-20T01:45:50.46 | 10.0 | undecidable | manual | SG | 351 | 0.7104 | 0.56 | 0.1 | |
--.MNS.Z. | 1997-10-20T01:45:47.00 | 10.0 | undecidable | manual | SG | 195 | 0.6216 | -0.07 | 0.8 | |
--.ARV.Z. | 1997-10-20T01:45:43.43 | 10.0 | undecidable | manual | SG | 2 | 0.5106 | -0.06 | 0.9 | |
--.FB9.Z. | 1997-10-20T01:45:39.19 | 10.0 | undecidable | manual | PG | 351 | 0.7104 | 0.18 | 1.4 | |
--.MNS.Z. | 1997-10-20T01:45:37.40 | 10.0 | undecidable | manual | PG | 195 | 0.6216 | 0.02 | 1.9 | |
--.ARV.Z. | 1997-10-20T01:45:34.73 | 10.0 | undecidable | manual | PG | 2 | 0.5106 | -0.59 | 0.5 | |
--.ASS.Z. | 1997-10-20T01:45:31.95 | 10.0 | undecidable | manual | SG | 291 | 0.1998 | -0.29 | 0.5 | |
--.ASS.Z. | 1997-10-20T01:45:28.92 | 10.0 | undecidable | manual | PG | 291 | 0.1998 | 0.1 | 2 |