A magnitude Md 2.1 earthquake occured in region: 6 km W Nocera Umbra (PG), on
and geographic coordinates (lat, lon) 43.1180, 12.7240 at 19 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 |
---|---|---|---|---|
Nocera Umbra | PG | 6 | 5839 | 5839 |
Valtopina | PG | 7 | 1398 | 7237 |
Assisi | PG | 10 | 28299 | 35536 |
Valfabbrica | PG | 11 | 3389 | 38925 |
Gualdo Tadino | PG | 14 | 15208 | 54133 |
Spello | PG | 15 | 8645 | 62778 |
Bastia Umbra | PG | 15 | 21874 | 84652 |
Cannara | PG | 18 | 4305 | 88957 |
Foligno | PG | 18 | 57155 | 146112 |
Sefro | MC | 19 | 422 | 146534 |
Fiuminata | MC | 19 | 1402 | 147936 |
Serravalle di Chienti | MC | 19 | 1070 | 149006 |
Fossato di Vico | PG | 20 | 2840 | 151846 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 2002-07-20 23:22:04 |
43.118 | 12.724 | 19 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 445739 |
Field | Value |
---|---|
Time (UTC) | 2002-07-20 23:22:04 ± 0.463 |
Latitude | 43.1180 ± 0.0109 |
Longitude | 12.7240 ± 0.0310 |
Depth (km) | 19 ± 4 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 445739 |
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) | 2794.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 140 |
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) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00065 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00510 |
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 | 4 |
Type of magnitude | Md |
Reference to an origin | 445739 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 00:01:38 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 2002-07-20T23:22:20.61 | 10.0 | undecidable | manual | SG | 22 | 0.3996 | 0.33 | 0.2 | |
--.NRCA.Z. | 2002-07-20T23:22:19.84 | 10.0 | undecidable | manual | SG | 134 | 0.3996 | -0.11 | 0.6 | |
--.FSSB.Z. | 2002-07-20T23:22:16.40 | 10.0 | undecidable | manual | PG | 3 | 0.5661 | -0.23 | 0.7 | |
--.NRCA.Z. | 2002-07-20T23:22:13.51 | 10.0 | undecidable | manual | PG | 134 | 0.3996 | -0.01 | 1.6 | |
--.ARV.Z. | 2002-07-20T23:22:13.69 | 10.0 | undecidable | manual | PG | 22 | 0.3996 | -0.02 | 1.6 | |
--.ASS.Z. | 2002-07-20T23:22:10.87 | 10.0 | undecidable | manual | SG | 223 | 0.0666 | -0.59 | 0 | |
--.ASS.Z. | 2002-07-20T23:22:08.82 | 10.0 | positive | manual | PG | 223 | 0.0666 | 0.21 | 2.3 |