A magnitude Md 2.2 earthquake occured in region: 1 km E Sellano (PG), on
and geographic coordinates (lat, lon) 42.8910, 12.9460 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 | 2 | 1079 | 1079 |
Preci | PG | 8 | 724 | 1803 |
Cerreto di Spoleto | PG | 8 | 1075 | 2878 |
Monte Cavallo | MC | 12 | 145 | 3023 |
Visso | MC | 13 | 1107 | 4130 |
Vallo di Nera | PG | 15 | 364 | 4494 |
Campello sul Clitunno | PG | 16 | 2442 | 6936 |
Trevi | PG | 16 | 8469 | 15405 |
Norcia | PG | 16 | 4957 | 20362 |
Ussita | MC | 17 | 444 | 20806 |
Castelsantangelo sul Nera | MC | 17 | 281 | 21087 |
Pieve Torina | MC | 19 | 1458 | 22545 |
Sant'Anatolia di Narco | PG | 20 | 564 | 23109 |
Cascia | PG | 20 | 3217 | 26326 |
Poggiodomo | PG | 20 | 117 | 26443 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1987-01-21 23:11:59 |
42.891 | 12.946 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 39609 |
Field | Value |
---|---|
Time (UTC) | 1987-01-21 23:11:59 ± 0.63 |
Latitude | 42.8910 ± 0.0320 |
Longitude | 12.9460 ± 0.0210 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 39609 |
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) | 3945.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 272 |
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) | 0.00243 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00729 |
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 | 2.2 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 39609 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:39:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.AM8.Z. | 1987-01-21T23:12:28.64 | 10.0 | undecidable | manual | SG | 35 | 0.8103 | 0.84 | 0.3 | |
--.ARV.Z. | 1987-01-21T23:12:21.00 | 10.0 | undecidable | manual | SG | 359 | 0.5994 | -0.21 | 0.8 | |
--.AM8.Z. | 1987-01-21T23:12:15.73 | 10.0 | undecidable | manual | PG | 35 | 0.8103 | -0.24 | 1.6 | |
--.ARV.Z. | 1987-01-21T23:12:11.50 | 10.0 | undecidable | manual | PG | 359 | 0.5994 | -0.67 | 0.9 | |
--.ASS.Z. | 1987-01-21T23:12:10.50 | 10.0 | undecidable | manual | SG | 308 | 0.2664 | -0.03 | 0.9 | |
--.ASS.Z. | 1987-01-21T23:12:06.50 | 10.0 | undecidable | manual | PG | 308 | 0.2664 | 0.5 | 1.4 |