A magnitude Md 2.1 earthquake occured in region: 5 km W Preci (PG), on
and geographic coordinates (lat, lon) 42.8760, 12.9830 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 | 5 | 1079 | 1803 |
Cerreto di Spoleto | PG | 8 | 1075 | 2878 |
Visso | MC | 11 | 1107 | 3985 |
Norcia | PG | 13 | 4957 | 8942 |
Monte Cavallo | MC | 13 | 145 | 9087 |
Castelsantangelo sul Nera | MC | 14 | 281 | 9368 |
Ussita | MC | 15 | 444 | 9812 |
Vallo di Nera | PG | 15 | 364 | 10176 |
Cascia | PG | 18 | 3217 | 13393 |
Campello sul Clitunno | PG | 18 | 2442 | 15835 |
Poggiodomo | PG | 19 | 117 | 15952 |
Trevi | PG | 19 | 8469 | 24421 |
Pieve Torina | MC | 20 | 1458 | 25879 |
Sant'Anatolia di Narco | PG | 20 | 564 | 26443 |
Fiordimonte | MC | 20 | 202 | 26645 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1
ML-VAX 1.5 |
1997-10-13 11:17:31 |
42.876 | 12.983 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 297729 |
Field | Value |
---|---|
Time (UTC) | 1997-10-13 11:17:31 ± 0.166 |
Latitude | 42.8760 ± 0.0060 |
Longitude | 12.9830 ± 0.0152 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 297729 |
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) | 1404.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 207 |
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) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00267 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00745 |
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 | 2 |
Type of magnitude | Md |
Reference to an origin | 297729 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:39:56 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 297729 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 13:07:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1997-10-13T11:17:54.40 | 10.0 | undecidable | manual | SG | 357 | 0.6216 | -0.29 | 0.2 | |
--.MNS.Z. | 1997-10-13T11:17:52.32 | 10.0 | undecidable | manual | SG | 204 | 0.5328 | 0.32 | 0.4 | |
--.FB9.Z. | 1997-10-13T11:17:49.40 | 10.0 | undecidable | manual | PG | 349 | 0.8214 | 0.55 | 0.4 | |
--.ARV.Z. | 1997-10-13T11:17:45.00 | 10.0 | undecidable | manual | PG | 357 | 0.6216 | -0.02 | 1.7 | |
--.MNS.Z. | 1997-10-13T11:17:43.31 | 10.0 | undecidable | manual | PG | 204 | 0.5328 | -0.16 | 1.4 | |
--.ASS.Z. | 1997-10-13T11:17:43.66 | 10.0 | undecidable | manual | SG | 307 | 0.2997 | -0.05 | 0.8 | |
--.ASS.Z. | 1997-10-13T11:17:38.70 | 10.0 | undecidable | manual | PG | 307 | 0.2997 | 0.01 | 2 |