A magnitude Md 2.5 earthquake occured in region: 2 km E Preci (PG), on
and geographic coordinates (lat, lon) 42.8870, 13.0620 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 | 2 | 724 | 724 |
Visso | MC | 5 | 1107 | 1831 |
Castelsantangelo sul Nera | MC | 8 | 281 | 2112 |
Ussita | MC | 9 | 444 | 2556 |
Norcia | PG | 11 | 4957 | 7513 |
Sellano | PG | 11 | 1079 | 8592 |
Monte Cavallo | MC | 13 | 145 | 8737 |
Cerreto di Spoleto | PG | 14 | 1075 | 9812 |
Fiordimonte | MC | 17 | 202 | 10014 |
Pieve Torina | MC | 18 | 1458 | 11472 |
Bolognola | MC | 18 | 142 | 11614 |
Fiastra | MC | 18 | 559 | 12173 |
Acquacanina | MC | 19 | 121 | 12294 |
Cascia | PG | 19 | 3217 | 15511 |
Pievebovigliana | MC | 20 | 866 | 16377 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5
ML-VAX 1.5 |
1997-12-18 20:39:22 |
42.887 | 13.062 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 317339 |
Field | Value |
---|---|
Time (UTC) | 1997-12-18 20:39:22 ± 0.178 |
Latitude | 42.8870 ± 0.0132 |
Longitude | 13.0620 ± 0.0274 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 317339 |
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) | 2673.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 153 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00057 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01166 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 317339 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:57:32 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 317339 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.SDI.Z. | 1997-12-18T20:39:47.00 | 10.0 | undecidable | manual | PN | 154 | 1.2987 | -0.33 | 1 | |
--.ARV.Z. | 1997-12-18T20:39:46.20 | 10.0 | undecidable | manual | SG | 352 | 0.6105 | 0.68 | 0.2 | |
--.AQU.Z. | 1997-12-18T20:39:41.15 | 10.0 | undecidable | manual | SG! | 154 | 0.5883 | -3.25 | 0 | |
--.FB9.Z. | 1997-12-18T20:39:38.72 | 10.0 | undecidable | manual | PG | 345 | 0.8214 | -0.98 | 0.3 | |
--.SNTG.Z. | 1997-12-18T20:39:37.70 | 10.0 | undecidable | manual | SG | 346 | 0.3774 | 0.38 | 0.5 | |
--.ASS.Z. | 1997-12-18T20:39:36.86 | 10.0 | undecidable | manual | SG | 300 | 0.3441 | 0.73 | 0.4 | |
--.ARV.Z. | 1997-12-18T20:39:36.80 | 10.0 | undecidable | manual | PG | 352 | 0.6105 | 0.33 | 1.3 | |
--.AQU.Z. | 1997-12-18T20:39:35.78 | 10.0 | undecidable | manual | PG | 154 | 0.5883 | 0.58 | 1 | |
--.ASS.Z. | 1997-12-18T20:39:30.23 | 10.0 | undecidable | manual | PG | 300 | 0.3441 | -0.2 | 1.7 | |
--.SNTG.Z. | 1997-12-18T20:39:30.79 | 10.0 | undecidable | manual | PG | 346 | 0.3774 | -0.33 | 1.7 | |
--.NRCA.Z. | 1997-12-18T20:39:24.34 | 10.0 | undecidable | manual | PG | 145 | 0.0666 | -0.05 | 1.9 |