A magnitude Md 2.0 earthquake occured in region: 3 km S Sellano (PG), on
and geographic coordinates (lat, lon) 42.8660, 12.9260 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 |
---|---|---|---|---|
Sellano | PG | 3 | 1079 | 1079 |
Cerreto di Spoleto | PG | 5 | 1075 | 2154 |
Preci | PG | 9 | 724 | 2878 |
Vallo di Nera | PG | 12 | 364 | 3242 |
Campello sul Clitunno | PG | 13 | 2442 | 5684 |
Trevi | PG | 15 | 8469 | 14153 |
Visso | MC | 15 | 1107 | 15260 |
Monte Cavallo | MC | 16 | 145 | 15405 |
Norcia | PG | 16 | 4957 | 20362 |
Sant'Anatolia di Narco | PG | 16 | 564 | 20926 |
Poggiodomo | PG | 17 | 117 | 21043 |
Cascia | PG | 18 | 3217 | 24260 |
Scheggino | PG | 19 | 461 | 24721 |
Castelsantangelo sul Nera | MC | 19 | 281 | 25002 |
Ussita | MC | 20 | 444 | 25446 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.0 | 1991-07-04 23:47:42 |
42.866 | 12.926 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 144659 |
Field | Value |
---|---|
Time (UTC) | 1991-07-04 23:47:42 ± 0.167 |
Latitude | 42.8660 ± 0.0095 |
Longitude | 12.9260 ± 0.0059 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 144659 |
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) | 1161.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 247 |
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) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00202 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00567 |
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 | 2.0 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 144659 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:15:04 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1991-07-04T23:48:04.40 | 10.0 | undecidable | manual | SG | 1 | 0.6327 | 0.05 | 0.6 | |
--.CIO.Z. | 1991-07-04T23:47:56.20 | 10.0 | undecidable | manual | SG | 26 | 0.3552 | 0.26 | 0.2 | |
--.ARV.Z. | 1991-07-04T23:47:54.62 | 10.0 | undecidable | manual | PG | 1 | 0.6327 | -0.34 | 0.3 | |
--.ASS.Z. | 1991-07-04T23:47:52.97 | 10.0 | undecidable | manual | SG | 314 | 0.2775 | -0.07 | 0.8 | |
--.RMF.Z. | 1991-07-04T23:47:51.13 | 10.0 | undecidable | manual | SG | 67 | 0.222 | -0.15 | 0.6 | |
--.CIO.Z. | 1991-07-04T23:47:49.98 | 10.0 | undecidable | manual | PG | 26 | 0.3552 | -0.03 | 2.1 | |
--.ASS.Z. | 1991-07-04T23:47:48.55 | 10.0 | undecidable | manual | PG | 314 | 0.2775 | 0.11 | 1.5 | |
--.RMF.Z. | 1991-07-04T23:47:47.50 | 10.0 | undecidable | manual | PG | 67 | 0.222 | 0.09 | 1.8 |