A magnitude Md 2.2 earthquake occured in region: 3 km NW Preci (PG), on
and geographic coordinates (lat, lon) 42.8960, 13.0090 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 |
---|---|---|---|---|
Preci | PG | 3 | 724 | 724 |
Sellano | PG | 7 | 1079 | 1803 |
Visso | MC | 8 | 1107 | 2910 |
Monte Cavallo | MC | 11 | 145 | 3055 |
Cerreto di Spoleto | PG | 11 | 1075 | 4130 |
Castelsantangelo sul Nera | MC | 12 | 281 | 4411 |
Ussita | MC | 12 | 444 | 4855 |
Norcia | PG | 13 | 4957 | 9812 |
Pieve Torina | MC | 17 | 1458 | 11270 |
Fiordimonte | MC | 17 | 202 | 11472 |
Vallo di Nera | PG | 18 | 364 | 11836 |
Pievebovigliana | MC | 20 | 866 | 12702 |
Fiastra | MC | 20 | 559 | 13261 |
Cascia | PG | 20 | 3217 | 16478 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1987-02-08 19:49:55 |
42.896 | 13.009 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 40849 |
Field | Value |
---|---|
Time (UTC) | 1987-02-08 19:49:55 ± 0.147 |
Latitude | 42.8960 ± 0.0119 |
Longitude | 13.0090 ± 0.0111 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 40849 |
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) | 1600.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 197 |
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) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00275 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00542 |
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 | 40849 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:40:45 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1987-02-08T19:50:17.00 | 10.0 | undecidable | manual | SG | 355 | 0.5994 | 0.25 | 0.5 | |
--.ALP.Z. | 1987-02-08T19:50:11.26 | 10.0 | undecidable | manual | SG | 105 | 0.4218 | 0.27 | 0.8 | |
--.ASS.Z. | 1987-02-08T19:50:07.00 | 10.0 | undecidable | manual | SG | 302 | 0.3108 | -0.27 | 0.5 | |
--.ARV.Z. | 1987-02-08T19:50:07.50 | 10.0 | undecidable | manual | PG | 355 | 0.5994 | -0.23 | 1.3 | |
--.ALP.Z. | 1987-02-08T19:50:04.17 | 10.0 | undecidable | manual | PG | 105 | 0.4218 | -0.24 | 1.5 | |
--.ASS.Z. | 1987-02-08T19:50:02.50 | 10.0 | undecidable | manual | PG | 302 | 0.3108 | 0.23 | 1.5 |