A magnitude Md 2.5 earthquake occured in region: 5 km SE Preci (PG), on
and geographic coordinates (lat, lon) 42.8410, 13.0790 at 10 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 |
---|---|---|---|---|
Norcia | PG | 5 | 4957 | 4957 |
Preci | PG | 5 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 9 | 281 | 5962 |
Visso | MC | 10 | 1107 | 7069 |
Ussita | MC | 13 | 444 | 7513 |
Sellano | PG | 13 | 1079 | 8592 |
Cerreto di Spoleto | PG | 13 | 1075 | 9667 |
Cascia | PG | 15 | 3217 | 12884 |
Monte Cavallo | MC | 18 | 145 | 13029 |
Poggiodomo | PG | 19 | 117 | 13146 |
Vallo di Nera | PG | 19 | 364 | 13510 |
Arquata del Tronto | AP | 19 | 1178 | 14688 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 1997-10-26 23:36:10 |
42.841 | 13.079 | 10 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 306579 |
Field | Value |
---|---|
Time (UTC) | 1997-10-26 23:36:10 ± 0.354 |
Latitude | 42.8410 ± 0.0088 |
Longitude | 13.0790 ± 0.0407 |
Depth (km) | 10 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 306579 |
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) | 3456.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 120 |
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) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00016 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00486 |
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 | 2.5 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 306579 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:47:47 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1997-10-26T23:36:30.42 | 10.0 | undecidable | manual | SG | 212 | 0.5439 | 0.13 | 0.5 | |
--.SNTG.Z. | 1997-10-26T23:36:26.71 | 10.0 | undecidable | manual | SG | 346 | 0.4218 | 0.16 | 0.6 | |
--.ASS.Z. | 1997-10-26T23:36:24.62 | 10.0 | undecidable | manual | SG | 305 | 0.3774 | -0.55 | 0.2 | |
--.MNS.Z. | 1997-10-26T23:36:21.91 | 10.0 | undecidable | manual | PG | 212 | 0.5439 | -0.21 | 1.1 | |
--.SNTG.Z. | 1997-10-26T23:36:19.65 | 10.0 | undecidable | manual | PG | 346 | 0.4218 | -0.31 | 0.9 | |
--.ASS.Z. | 1997-10-26T23:36:19.74 | 10.0 | undecidable | manual | PG | 305 | 0.3774 | 0.58 | 0.4 | |
--.NRCA.Z. | 1997-10-26T23:36:14.42 | 10.0 | undecidable | manual | SG | 107 | 0.0222 | -0.18 | 0.6 | |
--.NRCA.Z. | 1997-10-26T23:36:13.12 | 10.0 | negative | manual | PG | 107 | 0.0222 | 0.05 | 3.8 |