A magnitude Md 2.2 earthquake occured in region: 2 km N Sellano (PG), on
and geographic coordinates (lat, lon) 42.9110, 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 | 2 | 1079 | 1079 |
Preci | PG | 10 | 724 | 1803 |
Cerreto di Spoleto | PG | 10 | 1075 | 2878 |
Monte Cavallo | MC | 11 | 145 | 3023 |
Visso | MC | 14 | 1107 | 4130 |
Trevi | PG | 15 | 8469 | 12599 |
Campello sul Clitunno | PG | 16 | 2442 | 15041 |
Vallo di Nera | PG | 17 | 364 | 15405 |
Ussita | MC | 18 | 444 | 15849 |
Pieve Torina | MC | 18 | 1458 | 17307 |
Serravalle di Chienti | MC | 18 | 1070 | 18377 |
Castelsantangelo sul Nera | MC | 19 | 281 | 18658 |
Foligno | PG | 19 | 57155 | 75813 |
Norcia | PG | 19 | 4957 | 80770 |
Fiordimonte | MC | 19 | 202 | 80972 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1987-02-04 06:13:25 |
42.911 | 12.926 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 40519 |
Field | Value |
---|---|
Time (UTC) | 1987-02-04 06:13:25 ± 0.342 |
Latitude | 42.9110 ± 0.0188 |
Longitude | 12.9260 ± 0.0230 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 40519 |
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) | 2811.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 201 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00219 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00720 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 40519 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:40:27 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.AM8.Z. | 1987-02-04T06:13:54.16 | 10.0 | undecidable | manual | SG | 37 | 0.7992 | 0.96 | 0.1 | |
--.ARV.Z. | 1987-02-04T06:13:46.00 | 10.0 | undecidable | manual | SG | 1 | 0.5883 | -0.23 | 0.6 | |
--.ALP.Z. | 1987-02-04T06:13:42.86 | 10.0 | undecidable | manual | SG | 105 | 0.4884 | -0.16 | 1 | |
--.AM8.Z. | 1987-02-04T06:13:41.86 | 10.0 | undecidable | manual | PG | 37 | 0.7992 | 0.38 | 0.9 | |
--.CM8.Z. | 1987-02-04T06:13:37.68 | 10.0 | undecidable | manual | SG | 29 | 0.3219 | -0.12 | 1 | |
--.ARV.Z. | 1987-02-04T06:13:37.50 | 10.0 | undecidable | manual | PG | 1 | 0.5883 | 0.05 | 1.4 | |
--.ASS.Z. | 1987-02-04T06:13:36.00 | 10.0 | undecidable | manual | SG | 307 | 0.2442 | 0.58 | 0.4 | |
--.ALP.Z. | 1987-02-04T06:13:35.65 | 10.0 | negative | manual | PG | 105 | 0.4884 | 0.05 | 3.1 | |
--.ASS.Z. | 1987-02-04T06:13:31.00 | 10.0 | undecidable | manual | PG | 307 | 0.2442 | -0.21 | 1.6 | |
--.CM8.Z. | 1987-02-04T06:13:30.83 | 10.0 | undecidable | manual | PG | 29 | 0.3219 | -1.75 | 0.1 |