A magnitude Md 2.2 earthquake occured in region: 3 km S Preci (PG), on
and geographic coordinates (lat, lon) 42.8530, 13.0400 at 4 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 |
Norcia | PG | 8 | 4957 | 5681 |
Visso | MC | 10 | 1107 | 6788 |
Sellano | PG | 10 | 1079 | 7867 |
Castelsantangelo sul Nera | MC | 10 | 281 | 8148 |
Cerreto di Spoleto | PG | 11 | 1075 | 9223 |
Ussita | MC | 13 | 444 | 9667 |
Cascia | PG | 15 | 3217 | 12884 |
Monte Cavallo | MC | 16 | 145 | 13029 |
Vallo di Nera | PG | 17 | 364 | 13393 |
Poggiodomo | PG | 18 | 117 | 13510 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1997-10-28 20:33:01 |
42.853 | 13.04 | 4 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 307689 |
Field | Value |
---|---|
Time (UTC) | 1997-10-28 20:33:01 ± 0.135 |
Latitude | 42.8530 ± 0.0091 |
Longitude | 13.0400 ± 0.0150 |
Depth (km) | 4 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 307689 |
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) | 1586.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 115 |
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) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00049 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00583 |
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 | 307689 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:48:46 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1997-10-28T20:33:20.93 | 10.0 | undecidable | manual | SG | 209 | 0.5328 | -0.39 | 0.3 | |
--.ASS.Z. | 1997-10-28T20:33:14.21 | 10.0 | undecidable | manual | SG | 306 | 0.3552 | -0.47 | 0.2 | |
--.ARV.Z. | 1997-10-28T20:33:14.58 | 10.0 | undecidable | manual | PG | 353 | 0.6438 | -0.25 | 1.1 | |
--.MNS.Z. | 1997-10-28T20:33:13.80 | 10.0 | undecidable | manual | PG | 209 | 0.5328 | 0.34 | 0.9 | |
--.SNTG.Z. | 1997-10-28T20:33:10.53 | 10.0 | undecidable | manual | PG | 349 | 0.3996 | 0.38 | 0.9 | |
--.ASS.Z. | 1997-10-28T20:33:08.96 | 10.0 | undecidable | manual | PG | 306 | 0.3552 | 0.05 | 2 | |
--.NRCA.Z. | 1997-10-28T20:33:02.30 | 10.0 | undecidable | manual | PG | 109 | 0.0555 | -0.23 | 1.5 |