A magnitude Md 2.3 earthquake occured in region: 4 km W Preci (PG), on
and geographic coordinates (lat, lon) 42.8800, 12.9950 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 | 4 | 724 | 724 |
Sellano | PG | 6 | 1079 | 1803 |
Cerreto di Spoleto | PG | 9 | 1075 | 2878 |
Visso | MC | 10 | 1107 | 3985 |
Norcia | PG | 13 | 4957 | 8942 |
Monte Cavallo | MC | 13 | 145 | 9087 |
Castelsantangelo sul Nera | MC | 13 | 281 | 9368 |
Ussita | MC | 14 | 444 | 9812 |
Vallo di Nera | PG | 16 | 364 | 10176 |
Cascia | PG | 18 | 3217 | 13393 |
Pieve Torina | MC | 19 | 1458 | 14851 |
Campello sul Clitunno | PG | 19 | 2442 | 17293 |
Fiordimonte | MC | 19 | 202 | 17495 |
Poggiodomo | PG | 19 | 117 | 17612 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3
ML-VAX 1.7 |
1997-10-12 23:40:36 |
42.88 | 12.995 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 297029 |
Field | Value |
---|---|
Time (UTC) | 1997-10-12 23:40:36 ± 0.118 |
Latitude | 42.8800 ± 0.0033 |
Longitude | 12.9950 ± 0.0209 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 297029 |
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) | 1738.5 |
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 | 8 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00275 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 297029 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:39:19 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 297029 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.FB9.Z. | 1997-10-12T23:41:06.26 | 10.0 | undecidable | manual | SG | 348 | 0.8214 | 0.05 | 0.5 | |
--.ARV.Z. | 1997-10-12T23:40:59.66 | 10.0 | undecidable | manual | SG | 356 | 0.6105 | 0.1 | 0.5 | |
--.MNS.Z. | 1997-10-12T23:40:57.20 | 10.0 | undecidable | manual | SG | 204 | 0.5439 | 0.03 | 0.7 | |
--.FB9.Z. | 1997-10-12T23:40:53.73 | 10.0 | undecidable | manual | PG | 348 | 0.8214 | -0.05 | 1.3 | |
--.ARV.Z. | 1997-10-12T23:40:49.83 | 10.0 | undecidable | manual | PG | 356 | 0.6105 | -0.1 | 1.3 | |
--.ASS.Z. | 1997-10-12T23:40:48.50 | 10.0 | undecidable | manual | SG | 305 | 0.3108 | -0.34 | 0 | |
--.MNS.Z. | 1997-10-12T23:40:48.52 | 10.0 | positive | manual | PG | 204 | 0.5439 | -0.03 | 3.3 | |
--.ASS.Z. | 1997-10-12T23:40:44.00 | 10.0 | undecidable | manual | PG | 305 | 0.3108 | 0.25 | 0.3 |