A magnitude Md 2.1 earthquake occured in region: 5 km W Preci (PG), on
and geographic coordinates (lat, lon) 42.8600, 12.9850 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 |
---|---|---|---|---|
Preci | PG | 5 | 724 | 724 |
Sellano | PG | 6 | 1079 | 1803 |
Cerreto di Spoleto | PG | 7 | 1075 | 2878 |
Norcia | PG | 12 | 4957 | 7835 |
Visso | MC | 12 | 1107 | 8942 |
Vallo di Nera | PG | 14 | 364 | 9306 |
Castelsantangelo sul Nera | MC | 14 | 281 | 9587 |
Monte Cavallo | MC | 15 | 145 | 9732 |
Ussita | MC | 16 | 444 | 10176 |
Cascia | PG | 16 | 3217 | 13393 |
Poggiodomo | PG | 17 | 117 | 13510 |
Campello sul Clitunno | PG | 17 | 2442 | 15952 |
Sant'Anatolia di Narco | PG | 19 | 564 | 16516 |
Trevi | PG | 19 | 8469 | 24985 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1997-10-12 21:55:34 |
42.86 | 12.985 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 296899 |
Field | Value |
---|---|
Time (UTC) | 1997-10-12 21:55:34 ± 0.33 |
Latitude | 42.8600 ± 0.0113 |
Longitude | 12.9850 ± 0.0429 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 296899 |
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) | 3718.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 208 |
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) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00283 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00761 |
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 | 2.1 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 296899 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:39:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.FB9.Z. | 1997-10-12T21:56:04.75 | 10.0 | undecidable | manual | SG | 349 | 0.8436 | 0.55 | 0.4 | |
--.ARV.Z. | 1997-10-12T21:55:57.15 | 10.0 | undecidable | manual | SG | 357 | 0.6327 | -0.44 | 0.6 | |
--.FB9.Z. | 1997-10-12T21:55:51.90 | 10.0 | undecidable | manual | PG | 349 | 0.8436 | 0.38 | 1.3 | |
--.ARV.Z. | 1997-10-12T21:55:47.19 | 10.0 | undecidable | manual | PG | 357 | 0.6327 | -0.51 | 1.2 | |
--.ASS.Z. | 1997-10-12T21:55:45.65 | 10.0 | undecidable | manual | SG | 309 | 0.3108 | -0.86 | 0.2 | |
--.MNS.Z. | 1997-10-12T21:55:45.46 | 10.0 | undecidable | manual | PG | 205 | 0.5217 | -0.12 | 2.2 | |
--.ASS.Z. | 1997-10-12T21:55:41.84 | 10.0 | undecidable | manual | PG | 309 | 0.3108 | 0.54 | 1.2 |