A magnitude Md 2.3 earthquake occured in region: 2 km NW Preci (PG), on
and geographic coordinates (lat, lon) 42.8940, 13.0230 at 16 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 | 2 | 724 | 724 |
Visso | MC | 7 | 1107 | 1831 |
Sellano | PG | 8 | 1079 | 2910 |
Castelsantangelo sul Nera | MC | 11 | 281 | 3191 |
Ussita | MC | 11 | 444 | 3635 |
Monte Cavallo | MC | 11 | 145 | 3780 |
Cerreto di Spoleto | PG | 12 | 1075 | 4855 |
Norcia | PG | 13 | 4957 | 9812 |
Fiordimonte | MC | 17 | 202 | 10014 |
Pieve Torina | MC | 17 | 1458 | 11472 |
Vallo di Nera | PG | 19 | 364 | 11836 |
Fiastra | MC | 19 | 559 | 12395 |
Cascia | PG | 19 | 3217 | 15612 |
Pievebovigliana | MC | 20 | 866 | 16478 |
Acquacanina | MC | 20 | 121 | 16599 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 2001-06-20 15:46:37 |
42.894 | 13.023 | 16 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 420239 |
Field | Value |
---|---|
Time (UTC) | 2001-06-20 15:46:37 ± 0.234 |
Latitude | 42.8940 ± 0.0060 |
Longitude | 13.0230 ± 0.0168 |
Depth (km) | 16 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 420239 |
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) | 1518.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 138 |
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) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00081 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00542 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 420239 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 23:36:14 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 2001-06-20T15:46:59.72 | 10.0 | undecidable | manual | SG | 354 | 0.5994 | 0.49 | 0.2 | |
--.MNS.Z. | 2001-06-20T15:46:58.24 | 10.0 | undecidable | manual | SG | 206 | 0.5661 | 0.23 | 0.4 | |
--.SNTG.Z. | 2001-06-20T15:46:51.53 | 10.0 | undecidable | manual | SG | 350 | 0.3552 | -0.02 | 0.6 | |
--.MNS.Z. | 2001-06-20T15:46:49.31 | 10.0 | undecidable | manual | PG | 206 | 0.5661 | -0.14 | 0.8 | |
--.ASS.Z. | 2001-06-20T15:46:49.82 | 10.0 | undecidable | manual | SG | 301 | 0.3108 | -0.28 | 0.4 | |
--.ARV.Z. | 2001-06-20T15:46:49.95 | 10.0 | undecidable | manual | PG | 354 | 0.5994 | -0.2 | 0.5 | |
--.SNTG.Z. | 2001-06-20T15:46:45.69 | 10.0 | positive | manual | PG | 350 | 0.3552 | -0.03 | 2.9 | |
--.NRCA.Z. | 2001-06-20T15:46:44.28 | 10.0 | undecidable | manual | SG | 132 | 0.0888 | 0.47 | 0 | |
--.ASS.Z. | 2001-06-20T15:46:44.87 | 10.0 | undecidable | manual | PG | 301 | 0.3108 | -0.01 | 1.3 | |
--.NRCA.Z. | 2001-06-20T15:46:41.80 | 10.0 | positive | manual | PG | 132 | 0.0888 | -0.16 | 2.9 |