A magnitude Md 2.2 earthquake occured in region: 9 km SE Valtopina (PG), on
and geographic coordinates (lat, lon) 43.0000, 12.8330 at 10 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 |
---|---|---|---|---|
Valtopina | PG | 9 | 1398 | 1398 |
Foligno | PG | 12 | 57155 | 58553 |
Serravalle di Chienti | MC | 13 | 1070 | 59623 |
Nocera Umbra | PG | 13 | 5839 | 65462 |
Spello | PG | 13 | 8645 | 74107 |
Monte Cavallo | MC | 14 | 145 | 74252 |
Sellano | PG | 15 | 1079 | 75331 |
Trevi | PG | 15 | 8469 | 83800 |
Pieve Torina | MC | 18 | 1458 | 85258 |
Montefalco | PG | 19 | 5679 | 90937 |
Sefro | MC | 19 | 422 | 91359 |
Assisi | PG | 19 | 28299 | 119658 |
Bevagna | PG | 20 | 5081 | 124739 |
Muccia | MC | 20 | 915 | 125654 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1997-11-08 09:11:59 |
43 | 12.833 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 310699 |
Field | Value |
---|---|
Time (UTC) | 1997-11-08 09:11:59 ± 0.088 |
Latitude | 43.0000 ± 0.0052 |
Longitude | 12.8330 ± 0.0091 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 310699 |
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) | 944.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 111 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
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) | 0.00130 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00623 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 310699 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:51:28 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.FB9.Z. | 1997-11-08T09:12:24.40 | 10.0 | undecidable | manual | SG | 356 | 0.6882 | 0.34 | 0.2 | |
--.MNS.Z. | 1997-11-08T09:12:22.50 | 10.0 | undecidable | manual | SG | 190 | 0.6216 | 0.18 | 0.4 | |
--.ARV.Z. | 1997-11-08T09:12:18.32 | 10.0 | undecidable | manual | SG | 9 | 0.4995 | 0.29 | 0.3 | |
--.FB9.Z. | 1997-11-08T09:12:14.70 | 10.0 | undecidable | manual | PG | 356 | 0.6882 | 0.23 | 0.9 | |
--.MNS.Z. | 1997-11-08T09:12:12.62 | 10.0 | undecidable | manual | PG | 190 | 0.6216 | 0.04 | 1.4 | |
--.NRCA.Z. | 1997-11-08T09:12:10.87 | 10.0 | undecidable | manual | SG | 128 | 0.2553 | 0.58 | 0 | |
--.SNTG.Z. | 1997-11-08T09:12:10.70 | 10.0 | undecidable | manual | SG | 16 | 0.2553 | -0.3 | 0.4 | |
--.ARV.Z. | 1997-11-08T09:12:09.95 | 10.0 | undecidable | manual | PG | 9 | 0.4995 | -0.41 | 0.4 | |
--.ASS.Z. | 1997-11-08T09:12:06.28 | 10.0 | undecidable | manual | SG | 295 | 0.1443 | -0.21 | 0.5 | |
--.NRCA.Z. | 1997-11-08T09:12:05.65 | 10.0 | negative | manual | PG | 128 | 0.2553 | -0.25 | 2.2 | |
--.SNTG.Z. | 1997-11-08T09:12:05.82 | 10.0 | undecidable | manual | PG | 16 | 0.2553 | -0.12 | 1.6 | |
--.ASS.Z. | 1997-11-08T09:12:03.68 | 10.0 | positive | manual | PG | 295 | 0.1443 | -0.02 | 3.6 |