A magnitude Md 2.0 earthquake occured in region: 6 km S Valtopina (PG), on
and geographic coordinates (lat, lon) 43.0040, 12.7560 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 | 6 | 1398 | 1398 |
Foligno | PG | 7 | 57155 | 58553 |
Spello | PG | 7 | 8645 | 67198 |
Nocera Umbra | PG | 12 | 5839 | 73037 |
Assisi | PG | 14 | 28299 | 101336 |
Trevi | PG | 14 | 8469 | 109805 |
Cannara | PG | 14 | 4305 | 114110 |
Bevagna | PG | 14 | 5081 | 119191 |
Montefalco | PG | 15 | 5679 | 124870 |
Serravalle di Chienti | MC | 18 | 1070 | 125940 |
Bastia Umbra | PG | 18 | 21874 | 147814 |
Sellano | PG | 19 | 1079 | 148893 |
Gualdo Cattaneo | PG | 19 | 6155 | 155048 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.0 | 1986-04-02 10:39:00 |
43.004 | 12.756 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 25299 |
Field | Value |
---|---|
Time (UTC) | 1986-04-02 10:39:00 ± 0.687 |
Latitude | 43.0040 ± 0.0472 |
Longitude | 12.7560 ± 0.0334 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 25299 |
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) | 5914.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 234 |
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) | 0.00251 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00461 |
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 | 2.0 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 25299 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:27:07 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1986-04-02T10:39:19.00 | 10.0 | undecidable | manual | SG | 15 | 0.5106 | 0.23 | 0.7 | |
--.CM8.Z. | 1986-04-02T10:39:11.95 | 10.0 | undecidable | manual | SG | 55 | 0.333 | -1.3 | 0.1 | |
--.ARV.Z. | 1986-04-02T10:39:11.50 | 10.0 | undecidable | manual | PG | 15 | 0.5106 | 0.5 | 1.3 | |
--.PRG.Z. | 1986-04-02T10:39:10.00 | 10.0 | undecidable | manual | SG | 290 | 0.2775 | -1.26 | 0.1 | |
--.PRG.Z. | 1986-04-02T10:39:07.00 | 10.0 | undecidable | manual | PG | 290 | 0.2775 | 0.34 | 1.8 | |
--.CM8.Z. | 1986-04-02T10:39:07.90 | 10.0 | undecidable | manual | PG | 55 | 0.333 | 0.09 | 2 |