A magnitude Md 2.2 earthquake occured in region: 6 km E Valfabbrica (PG), on
and geographic coordinates (lat, lon) 43.1790, 12.6770 at 3 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 |
---|---|---|---|---|
Valfabbrica | PG | 6 | 3389 | 3389 |
Gualdo Tadino | PG | 11 | 15208 | 18597 |
Nocera Umbra | PG | 12 | 5839 | 24436 |
Assisi | PG | 13 | 28299 | 52735 |
Valtopina | PG | 15 | 1398 | 54133 |
Fossato di Vico | PG | 15 | 2840 | 56973 |
Bastia Umbra | PG | 16 | 21874 | 78847 |
Sigillo | PG | 18 | 2404 | 81251 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2
ML-VAX 1.8 |
1997-10-07 09:16:47 |
43.179 | 12.677 | 3 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 292259 |
Field | Value |
---|---|
Time (UTC) | 1997-10-07 09:16:47 ± 0.062 |
Latitude | 43.1790 ± 0.0038 |
Longitude | 12.6770 ± 0.0172 |
Depth (km) | 3 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 292259 |
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) | 1458.9 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 179 |
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) | 0.00105 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00712 |
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 | 4 |
Type of magnitude | Md |
Reference to an origin | 292259 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:35:07 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 292259 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 13:07:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1997-10-07T09:17:16.25 | 10.0 | undecidable | manual | SG | 179 | 0.7881 | -0.02 | 0.4 | |
--.MNS.Z. | 1997-10-07T09:17:04.16 | 10.0 | undecidable | manual | PG | 179 | 0.7881 | 0.01 | 0.9 | |
--.ARV.Z. | 1997-10-07T09:17:02.27 | 10.0 | undecidable | manual | SG | 31 | 0.3663 | 0.22 | 0 | |
--.FB9.Z. | 1997-10-07T09:16:59.50 | 10.0 | undecidable | manual | PG | 7 | 0.5106 | 0.01 | 1.2 | |
--.ARV.Z. | 1997-10-07T09:16:55.87 | 10.0 | positive | manual | PG | 31 | 0.3663 | -0.07 | 2.1 | |
--.ASS.Z. | 1997-10-07T09:16:52.14 | 10.0 | undecidable | manual | SG | 188 | 0.1221 | -0.15 | 0.2 | |
--.ASS.Z. | 1997-10-07T09:16:50.37 | 10.0 | positive | manual | PG | 188 | 0.1221 | 0.06 | 2.2 |