A magnitude Md 2.4 earthquake occured in region: 4 km E Montefalco (PG), on
and geographic coordinates (lat, lon) 42.9100, 12.6970 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 |
---|---|---|---|---|
Montefalco | PG | 4 | 5679 | 5679 |
Foligno | PG | 5 | 57155 | 62834 |
Trevi | PG | 6 | 8469 | 71303 |
Bevagna | PG | 8 | 5081 | 76384 |
Spello | PG | 10 | 8645 | 85029 |
Castel Ritaldi | PG | 10 | 3278 | 88307 |
Gualdo Cattaneo | PG | 11 | 6155 | 94462 |
Campello sul Clitunno | PG | 12 | 2442 | 96904 |
Giano dell'Umbria | PG | 13 | 3846 | 100750 |
Cannara | PG | 13 | 4305 | 105055 |
Valtopina | PG | 17 | 1398 | 106453 |
Sellano | PG | 19 | 1079 | 107532 |
Assisi | PG | 19 | 28299 | 135831 |
Spoleto | PG | 20 | 38218 | 174049 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4 | 1985-05-31 12:53:14 |
42.91 | 12.697 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 7719 |
Field | Value |
---|---|
Time (UTC) | 1985-05-31 12:53:14 ± 0.361 |
Latitude | 42.9100 ± 0.0176 |
Longitude | 12.6970 ± 0.0299 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 7719 |
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) | 3123.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 196 |
Number of associated phases, regardless of their use for origin computation | 5 |
Number of defining phases | 5 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00138 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00380 |
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 | 7719 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:11:52 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.PO9.Z. | 1985-05-31T12:53:30.00 | 10.0 | undecidable | manual | SG | 151 | 0.3774 | 0.98 | 0 | |
--.CM2.Z. | 1985-05-31T12:53:30.60 | 10.0 | undecidable | manual | SG | 48 | 0.4218 | -0.01 | 1 | |
--.CM2.Z. | 1985-05-31T12:53:23.80 | 10.0 | undecidable | manual | PG | 48 | 0.4218 | -0.16 | 1.5 | |
--.PO9.Z. | 1985-05-31T12:53:22.50 | 10.0 | undecidable | manual | PG | 151 | 0.3774 | -0.54 | 0.8 | |
--.AS1.Z. | 1985-05-31T12:53:19.00 | 10.0 | undecidable | manual | PG | 347 | 0.1554 | 0.14 | 1.7 |