A magnitude Md 2.2 earthquake occured in region: 1 km NW Sellano (PG), on
and geographic coordinates (lat, lon) 42.8960, 12.9140 at 5 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 | 1 | 1079 | 1079 |
Cerreto di Spoleto | PG | 8 | 1075 | 2154 |
Preci | PG | 10 | 724 | 2878 |
Monte Cavallo | MC | 13 | 145 | 3023 |
Trevi | PG | 14 | 8469 | 11492 |
Campello sul Clitunno | PG | 14 | 2442 | 13934 |
Vallo di Nera | PG | 15 | 364 | 14298 |
Visso | MC | 15 | 1107 | 15405 |
Foligno | PG | 18 | 57155 | 72560 |
Norcia | PG | 19 | 4957 | 77517 |
Sant'Anatolia di Narco | PG | 19 | 564 | 78081 |
Ussita | MC | 19 | 444 | 78525 |
Castelsantangelo sul Nera | MC | 20 | 281 | 78806 |
Serravalle di Chienti | MC | 20 | 1070 | 79876 |
Pieve Torina | MC | 20 | 1458 | 81334 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1997-10-20 10:05:17 |
42.896 | 12.914 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 303869 |
Field | Value |
---|---|
Time (UTC) | 1997-10-20 10:05:17 ± 0.486 |
Latitude | 42.8960 ± 0.0172 |
Longitude | 12.9140 ± 0.0503 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 303869 |
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) | 4522.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 196 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.6 |
Epicentral distance of station closest to the epicenter (degree) | 0.00227 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00720 |
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 | 2.2 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 303869 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:45:22 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1997-10-20T10:05:39.32 | 10.0 | undecidable | manual | SG | 1 | 0.5994 | -0.68 | 0.4 | |
--.FB9.Z. | 1997-10-20T10:05:36.00 | 10.0 | undecidable | manual | PG | 352 | 0.7992 | 1.7 | 0.4 | |
--.MNS.Z. | 1997-10-20T10:05:36.91 | 10.0 | undecidable | manual | SG | 198 | 0.5328 | -1.03 | 0.5 | |
--.MNS.Z. | 1997-10-20T10:05:29.67 | 10.0 | undecidable | manual | PG | 198 | 0.5328 | 0.25 | 1.9 | |
--.ARV.Z. | 1997-10-20T10:05:29.95 | 10.0 | undecidable | manual | PG | 1 | 0.5994 | -0.66 | 1.1 | |
--.ASS.Z. | 1997-10-20T10:05:27.36 | 10.0 | undecidable | manual | SG | 310 | 0.2553 | -0.33 | 0.7 | |
--.ASS.Z. | 1997-10-20T10:05:23.72 | 10.0 | undecidable | manual | PG | 310 | 0.2553 | 0.22 | 2 |