A magnitude Md 2.4 earthquake occured in region: 10 km SE Valtopina (PG), on
and geographic coordinates (lat, lon) 42.9940, 12.8470 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 | 11 | 1398 | 1398 |
Serravalle di Chienti | MC | 12 | 1070 | 2468 |
Foligno | PG | 12 | 57155 | 59623 |
Monte Cavallo | MC | 13 | 145 | 59768 |
Sellano | PG | 13 | 1079 | 60847 |
Nocera Umbra | PG | 14 | 5839 | 66686 |
Spello | PG | 14 | 8645 | 75331 |
Trevi | PG | 15 | 8469 | 83800 |
Pieve Torina | MC | 18 | 1458 | 85258 |
Muccia | MC | 19 | 915 | 86173 |
Sefro | MC | 19 | 422 | 86595 |
Montefalco | PG | 19 | 5679 | 92274 |
Campello sul Clitunno | PG | 20 | 2442 | 94716 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4 | 1985-04-29 03:56:30 |
42.994 | 12.847 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 5609 |
Field | Value |
---|---|
Time (UTC) | 1985-04-29 03:56:30 ± 0.704 |
Latitude | 42.9940 ± 0.0288 |
Longitude | 12.8470 ± 0.0930 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 5609 |
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) | 8211.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 215 |
Number of associated phases, regardless of their use for origin computation | 6 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00259 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00559 |
Number of stations at which the event was observed | 3 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 5609 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:10:03 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1985-04-29T03:56:53.50 | 10.0 | undecidable | manual | SG | 191 | 0.6216 | 1.06 | 0.1 | |
--.PO9.Z. | 1985-04-29T03:56:46.00 | 10.0 | undecidable | manual | SG | 170 | 0.4218 | -0.15 | 0.9 | |
--.MNS.Z. | 1985-04-29T03:56:43.50 | 10.0 | undecidable | manual | PG | 191 | 0.6216 | 0.3 | 1.2 | |
--.CM2.Z. | 1985-04-29T03:56:42.80 | 10.0 | undecidable | manual | SG | 47 | 0.2886 | 0.9 | 0.4 | |
--.PO9.Z. | 1985-04-29T03:56:38.50 | 10.0 | undecidable | manual | PG | 170 | 0.4218 | -1.07 | 0.4 | |
--.CM2.Z. | 1985-04-29T03:56:36.90 | 10.0 | negative | manual | PG | 47 | 0.2886 | -0.22 | 3 |