A magnitude Md 2.0 earthquake occured in region: 1 km W Valtopina (PG), on
and geographic coordinates (lat, lon) 43.0610, 12.7470 at 18 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 | 1 | 1398 | 1398 |
Nocera Umbra | PG | 7 | 5839 | 7237 |
Spello | PG | 10 | 8645 | 15882 |
Assisi | PG | 11 | 28299 | 44181 |
Foligno | PG | 12 | 57155 | 101336 |
Cannara | PG | 15 | 4305 | 105641 |
Bastia Umbra | PG | 16 | 21874 | 127515 |
Valfabbrica | PG | 16 | 3389 | 130904 |
Serravalle di Chienti | MC | 17 | 1070 | 131974 |
Bevagna | PG | 18 | 5081 | 137055 |
Sefro | MC | 19 | 422 | 137477 |
Gualdo Tadino | PG | 19 | 15208 | 152685 |
Montefalco | PG | 20 | 5679 | 158364 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.0 | 1997-11-18 17:25:09 |
43.061 | 12.747 | 18 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 313199 |
Field | Value |
---|---|
Time (UTC) | 1997-11-18 17:25:09 ± 0.264 |
Latitude | 43.0610 ± 0.0060 |
Longitude | 12.7470 ± 0.0154 |
Depth (km) | 18 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 313199 |
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) | 1413.2 |
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 | 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) | 0.00057 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00413 |
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 | 2.0 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 313199 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:53:42 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1997-11-18T17:25:26.60 | 10.0 | undecidable | manual | SG | 17 | 0.4551 | -0.23 | 0.3 | |
--.NRCA.Z. | 1997-11-18T17:25:23.00 | 10.0 | undecidable | manual | SG | 130 | 0.3552 | 0.1 | 0.6 | |
--.ARV.Z. | 1997-11-18T17:25:19.00 | 10.0 | undecidable | manual | PG | 17 | 0.4551 | -0.14 | 1.2 | |
--.SNTG.Z. | 1997-11-18T17:25:19.57 | 10.0 | undecidable | manual | SG | 35 | 0.2331 | 0.02 | 0.8 | |
--.NRCA.Z. | 1997-11-18T17:25:17.00 | 10.0 | undecidable | manual | PG | 130 | 0.3552 | -0.18 | 1.2 | |
--.ASS.Z. | 1997-11-18T17:25:15.11 | 10.0 | undecidable | manual | SG | 271 | 0.0666 | -0.45 | 0.1 | |
--.SNTG.Z. | 1997-11-18T17:25:15.40 | 10.0 | positive | manual | PG | 35 | 0.2331 | 0.15 | 3 | |
--.ASS.Z. | 1997-11-18T17:25:13.21 | 10.0 | undecidable | manual | PG | 271 | 0.0666 | 0.27 | 0.8 |