A magnitude Md 2.4 earthquake occured in region: 3 km SW Preci (PG), on
and geographic coordinates (lat, lon) 42.8540, 13.0240 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 | 3 | 724 | 724 |
Norcia | PG | 9 | 4957 | 5681 |
Sellano | PG | 9 | 1079 | 6760 |
Cerreto di Spoleto | PG | 10 | 1075 | 7835 |
Visso | MC | 10 | 1107 | 8942 |
Castelsantangelo sul Nera | MC | 12 | 281 | 9223 |
Ussita | MC | 14 | 444 | 9667 |
Cascia | PG | 15 | 3217 | 12884 |
Monte Cavallo | MC | 16 | 145 | 13029 |
Vallo di Nera | PG | 16 | 364 | 13393 |
Poggiodomo | PG | 17 | 117 | 13510 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4
ML-VAX 1.5 |
1997-10-20 11:39:15 |
42.854 | 13.024 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 303919 |
Field | Value |
---|---|
Time (UTC) | 1997-10-20 11:39:15 ± 0.198 |
Latitude | 42.8540 ± 0.0061 |
Longitude | 13.0240 ± 0.0179 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 303919 |
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) | 1608.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 213 |
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) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00308 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00769 |
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 | 2.4 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 303919 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:45:25 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 303919 |
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. | 1997-10-20T11:39:46.00 | 10.0 | undecidable | manual | SG | 347 | 0.8547 | -0.28 | 0.5 | |
--.ARV.Z. | 1997-10-20T11:39:39.50 | 10.0 | undecidable | manual | SG | 354 | 0.6327 | -0.05 | 0.9 | |
--.MNS.Z. | 1997-10-20T11:39:35.40 | 10.0 | undecidable | manual | SG | 208 | 0.5328 | -0.47 | 0.3 | |
--.FB9.Z. | 1997-10-20T11:39:33.00 | 10.0 | undecidable | manual | PG | 347 | 0.8547 | -0.44 | 0.7 | |
--.ARV.Z. | 1997-10-20T11:39:30.00 | 10.0 | undecidable | manual | PG | 354 | 0.6327 | 0.45 | 0.8 | |
--.ASS.Z. | 1997-10-20T11:39:29.40 | 10.0 | undecidable | manual | SG | 307 | 0.3441 | 0.18 | 0.8 | |
--.MNS.Z. | 1997-10-20T11:39:27.65 | 10.0 | undecidable | manual | PG | 208 | 0.5328 | 0.21 | 1.8 | |
--.ASS.Z. | 1997-10-20T11:39:23.62 | 10.0 | undecidable | manual | PG | 307 | 0.3441 | 0.03 | 2.2 |