A magnitude Md 2.5 earthquake occured in region: 4 km W Preci (PG), on
and geographic coordinates (lat, lon) 42.8940, 12.9940 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 | 5 | 1079 | 1803 |
Visso | MC | 9 | 1107 | 2910 |
Cerreto di Spoleto | PG | 10 | 1075 | 3985 |
Monte Cavallo | MC | 11 | 145 | 4130 |
Castelsantangelo sul Nera | MC | 13 | 281 | 4411 |
Ussita | MC | 13 | 444 | 4855 |
Norcia | PG | 14 | 4957 | 9812 |
Vallo di Nera | PG | 17 | 364 | 10176 |
Pieve Torina | MC | 18 | 1458 | 11634 |
Fiordimonte | MC | 18 | 202 | 11836 |
Campello sul Clitunno | PG | 19 | 2442 | 14278 |
Cascia | PG | 20 | 3217 | 17495 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5
ML-VAX 2.0 |
1997-09-28 16:55:42 |
42.894 | 12.994 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 283479 |
Field | Value |
---|---|
Time (UTC) | 1997-09-28 16:55:42 ± 0.413 |
Latitude | 42.8940 ± 0.0134 |
Longitude | 12.9940 ± 0.0443 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 283479 |
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) | 3904.4 |
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 | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.00267 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00939 |
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 | 2.5 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 283479 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:27:23 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 283479 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.CRE.Z. | 1997-09-28T16:56:19.87 | 10.0 | undecidable | manual | SG | 313 | 1.0434 | 0.63 | 0.5 | |
--.FB9.Z. | 1997-09-28T16:56:12.18 | 10.0 | undecidable | manual | SG | 348 | 0.8103 | 0.55 | 0.6 | |
--.CRE.Z. | 1997-09-28T16:56:05.64 | 10.0 | undecidable | manual | PG | 313 | 1.0434 | 1.86 | 0.2 | |
--.ARV.Z. | 1997-09-28T16:56:04.56 | 10.0 | undecidable | manual | SG | 356 | 0.5994 | -0.41 | 0.7 | |
--.MNS.Z. | 1997-09-28T16:56:03.70 | 10.0 | undecidable | manual | SG | 204 | 0.555 | -0.42 | 0.7 | |
--.FB9.Z. | 1997-09-28T16:55:59.13 | 10.0 | undecidable | manual | PG | 348 | 0.8103 | -0.26 | 1.7 | |
--.ARV.Z. | 1997-09-28T16:55:55.90 | 10.0 | undecidable | manual | PG | 356 | 0.5994 | -0.45 | 1.7 | |
--.MNS.Z. | 1997-09-28T16:55:54.77 | 10.0 | undecidable | manual | PG | 204 | 0.555 | 0.08 | 2 | |
--.ASS.Z. | 1997-09-28T16:55:53.30 | 10.0 | undecidable | manual | SG | 303 | 0.2997 | -1.1 | 0.3 | |
--.ASS.Z. | 1997-09-28T16:55:49.00 | 10.0 | undecidable | manual | PG | 303 | 0.2997 | -0.44 | 1.7 |