A magnitude Md 1.8 earthquake occured in region: 2 km E Valtopina (PG), on
and geographic coordinates (lat, lon) 43.0540, 12.7790 at 7 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 | 2 | 1398 | 1398 |
Nocera Umbra | PG | 7 | 5839 | 7237 |
Spello | PG | 11 | 8645 | 15882 |
Foligno | PG | 12 | 57155 | 73037 |
Assisi | PG | 13 | 28299 | 101336 |
Serravalle di Chienti | MC | 14 | 1070 | 102406 |
Cannara | PG | 17 | 4305 | 106711 |
Sefro | MC | 17 | 422 | 107133 |
Valfabbrica | PG | 19 | 3389 | 110522 |
Bastia Umbra | PG | 19 | 21874 | 132396 |
Bevagna | PG | 19 | 5081 | 137477 |
Monte Cavallo | MC | 19 | 145 | 137622 |
Fiuminata | MC | 20 | 1402 | 139024 |
Trevi | PG | 20 | 8469 | 147493 |
Gualdo Tadino | PG | 20 | 15208 | 162701 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.8 | 1988-10-01 02:59:58 |
43.054 | 12.779 | 7 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 78089 |
Field | Value |
---|---|
Time (UTC) | 1988-10-01 02:59:58 ± 0.203 |
Latitude | 43.0540 ± 0.0146 |
Longitude | 12.7790 ± 0.0092 |
Depth (km) | 7 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 78089 |
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) | 1789.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 177 |
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) | 0.00081 |
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 | 1.8 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 78089 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:13:28 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1988-10-01T03:00:15.20 | 10.0 | undecidable | manual | SG | 14 | 0.4551 | -0.41 | 0.1 | |
--.SS8.Z. | 1988-10-01T03:00:11.45 | 10.0 | undecidable | manual | SG | 97 | 0.333 | 0.17 | 0.8 | |
--.CM8.Z. | 1988-10-01T03:00:10.31 | 10.0 | undecidable | manual | SG | 61 | 0.2997 | 0.23 | 0.5 | |
--.ARV.Z. | 1988-10-01T03:00:08.50 | 10.0 | undecidable | manual | PG | 14 | 0.4551 | 0.23 | 0.9 | |
--.SS8.Z. | 1988-10-01T03:00:05.64 | 10.0 | undecidable | manual | PG | 97 | 0.333 | -0.13 | 3 | |
--.CM8.Z. | 1988-10-01T03:00:04.99 | 10.0 | undecidable | manual | PG | 61 | 0.2997 | -0.09 | 1.7 | |
--.ASS.Z. | 1988-10-01T03:00:02.00 | 10.0 | undecidable | manual | SG | 275 | 0.0888 | -0.5 | 0.1 | |
--.ASS.Z. | 1988-10-01T03:00:01.00 | 10.0 | undecidable | manual | PG | 275 | 0.0888 | 0.3 | 0.9 |