A magnitude Md 2.1 earthquake occured in region: 8 km E Foligno (PG), on
and geographic coordinates (lat, lon) 42.9790, 12.8000 at 13 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 |
---|---|---|---|---|
Foligno | PG | 8 | 57155 | 57155 |
Valtopina | PG | 10 | 1398 | 58553 |
Spello | PG | 11 | 8645 | 67198 |
Trevi | PG | 12 | 8469 | 75667 |
Sellano | PG | 14 | 1079 | 76746 |
Nocera Umbra | PG | 15 | 5839 | 82585 |
Montefalco | PG | 15 | 5679 | 88264 |
Serravalle di Chienti | MC | 16 | 1070 | 89334 |
Bevagna | PG | 16 | 5081 | 94415 |
Monte Cavallo | MC | 17 | 145 | 94560 |
Cannara | PG | 18 | 4305 | 98865 |
Campello sul Clitunno | PG | 18 | 2442 | 101307 |
Assisi | PG | 18 | 28299 | 129606 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1985-06-20 22:11:25 |
42.979 | 12.8 | 13 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 8799 |
Field | Value |
---|---|
Time (UTC) | 1985-06-20 22:11:25 ± 0.557 |
Latitude | 42.9790 ± 0.0192 |
Longitude | 12.8000 ± 0.0287 |
Depth (km) | 13 ± 9 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 8799 |
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) | 3163.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 198 |
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) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00121 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00729 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 8799 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:12:45 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.AM1.Z. | 1985-06-20T22:11:55.30 | 10.0 | undecidable | manual | SG | 45 | 0.8103 | 1.2 | 0 | |
--.ALP.Z. | 1985-06-20T22:11:46.90 | 10.0 | undecidable | manual | SG | 109 | 0.5883 | -0.09 | 0.8 | |
--.AM1.Z. | 1985-06-20T22:11:42.40 | 10.0 | undecidable | manual | PG | 45 | 0.8103 | 0.21 | 1.1 | |
--.CM2.Z. | 1985-06-20T22:11:38.20 | 10.0 | undecidable | manual | SG | 49 | 0.3219 | -0.23 | 0.8 | |
--.ALP.Z. | 1985-06-20T22:11:38.30 | 10.0 | undecidable | manual | PG | 109 | 0.5883 | 0.21 | 1.3 | |
--.AR1.Z. | 1985-06-20T22:11:36.50 | 10.0 | undecidable | manual | PG | 11 | 0.5217 | -0.36 | 1.2 | |
--.CM2.Z. | 1985-06-20T22:11:32.50 | 10.0 | positive | manual | PG | 49 | 0.3219 | -0.65 | 1.4 | |
--.AS1.Z. | 1985-06-20T22:11:30.00 | 10.0 | undecidable | manual | PG | 307 | 0.1332 | 0.24 | 1.4 |