A magnitude Md 2.4 earthquake occured in region: 3 km E Preci (PG), on
and geographic coordinates (lat, lon) 42.8770, 13.0730 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 |
Visso | MC | 6 | 1107 | 1831 |
Castelsantangelo sul Nera | MC | 7 | 281 | 2112 |
Ussita | MC | 9 | 444 | 2556 |
Norcia | PG | 10 | 4957 | 7513 |
Sellano | PG | 12 | 1079 | 8592 |
Cerreto di Spoleto | PG | 14 | 1075 | 9667 |
Monte Cavallo | MC | 14 | 145 | 9812 |
Fiordimonte | MC | 18 | 202 | 10014 |
Cascia | PG | 18 | 3217 | 13231 |
Bolognola | MC | 18 | 142 | 13373 |
Pieve Torina | MC | 19 | 1458 | 14831 |
Acquacanina | MC | 19 | 121 | 14952 |
Fiastra | MC | 19 | 559 | 15511 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4
ML-VAX 1.7 |
1997-10-20 16:04:35 |
42.877 | 13.073 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 304019 |
Field | Value |
---|---|
Time (UTC) | 1997-10-20 16:04:35 ± 0.222 |
Latitude | 42.8770 ± 0.0083 |
Longitude | 13.0730 ± 0.0236 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 304019 |
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) | 2134.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 219 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
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) | 0.00316 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00753 |
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 | 3 |
Type of magnitude | Md |
Reference to an origin | 304019 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:45:30 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 304019 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1997-10-20T16:04:58.80 | 10.0 | undecidable | manual | SG | 351 | 0.6216 | -0.6 | 0.1 | |
--.MNS.Z. | 1997-10-20T16:04:56.34 | 10.0 | undecidable | manual | SG | 210 | 0.5661 | -0.49 | 0.2 | |
--.FB9.Z. | 1997-10-20T16:04:53.00 | 10.0 | undecidable | manual | PG | 345 | 0.8325 | 0.09 | 1.6 | |
--.ASS.Z. | 1997-10-20T16:04:49.23 | 10.0 | undecidable | manual | SG | 300 | 0.3552 | -0.34 | 0.4 | |
--.ARV.Z. | 1997-10-20T16:04:48.94 | 10.0 | undecidable | manual | PG | 351 | 0.6216 | 0 | 1.9 | |
--.MNS.Z. | 1997-10-20T16:04:47.96 | 10.0 | undecidable | manual | PG | 210 | 0.5661 | 0.08 | 2 | |
--.ASS.Z. | 1997-10-20T16:04:44.90 | 10.0 | undecidable | manual | PG | 300 | 0.3552 | 0.41 | 0.8 |