A magnitude Md 2.2 earthquake occured in region: 6 km SE Nocera Umbra (PG), on
and geographic coordinates (lat, lon) 43.0690, 12.8310 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 |
---|---|---|---|---|
Nocera Umbra | PG | 6 | 5839 | 5839 |
Valtopina | PG | 6 | 1398 | 7237 |
Serravalle di Chienti | MC | 10 | 1070 | 8307 |
Sefro | MC | 13 | 422 | 8729 |
Spello | PG | 15 | 8645 | 17374 |
Fiuminata | MC | 16 | 1402 | 18776 |
Foligno | PG | 16 | 57155 | 75931 |
Monte Cavallo | MC | 16 | 145 | 76076 |
Assisi | PG | 17 | 28299 | 104375 |
Muccia | MC | 18 | 915 | 105290 |
Pioraco | MC | 18 | 1134 | 106424 |
Pieve Torina | MC | 18 | 1458 | 107882 |
Gualdo Tadino | PG | 19 | 15208 | 123090 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1997-10-07 20:50:42 |
43.069 | 12.831 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 292699 |
Field | Value |
---|---|
Time (UTC) | 1997-10-07 20:50:42 ± 0.133 |
Latitude | 43.0690 ± 0.0057 |
Longitude | 12.8310 ± 0.0125 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 292699 |
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) | 1192.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 178 |
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) | 0.00113 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00615 |
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 | 2.2 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 292699 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:35:30 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1997-10-07T20:51:07.90 | 10.0 | undecidable | manual | SG | 189 | 0.6882 | -0.05 | 0.7 | |
--.FB9.Z. | 1997-10-07T20:51:05.13 | 10.0 | undecidable | manual | SG | 356 | 0.6216 | 0.17 | 0.6 | |
--.ARV.Z. | 1997-10-07T20:50:59.58 | 10.0 | undecidable | manual | SG | 10 | 0.4329 | 0.61 | 0.1 | |
--.MNS.Z. | 1997-10-07T20:50:56.70 | 10.0 | undecidable | manual | PG | 189 | 0.6882 | 0.16 | 1.5 | |
--.FB9.Z. | 1997-10-07T20:50:55.22 | 10.0 | undecidable | manual | PG | 356 | 0.6216 | -0.05 | 1.9 | |
--.ARV.Z. | 1997-10-07T20:50:51.40 | 10.0 | undecidable | manual | PG | 10 | 0.4329 | -0.41 | 0.7 | |
--.ASS.Z. | 1997-10-07T20:50:47.59 | 10.0 | undecidable | manual | SG | 267 | 0.1221 | 0.21 | 0.7 | |
--.ASS.Z. | 1997-10-07T20:50:44.93 | 10.0 | undecidable | manual | PG | 267 | 0.1221 | -0.2 | 1.7 |