A magnitude Md 2.3 earthquake occured in region: 5 km SW Preci (PG), on
and geographic coordinates (lat, lon) 42.8440, 13.0040 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 | 5 | 724 | 724 |
Cerreto di Spoleto | PG | 8 | 1075 | 1799 |
Sellano | PG | 8 | 1079 | 2878 |
Norcia | PG | 9 | 4957 | 7835 |
Visso | MC | 12 | 1107 | 8942 |
Castelsantangelo sul Nera | MC | 14 | 281 | 9223 |
Cascia | PG | 14 | 3217 | 12440 |
Vallo di Nera | PG | 14 | 364 | 12804 |
Poggiodomo | PG | 16 | 117 | 12921 |
Ussita | MC | 16 | 444 | 13365 |
Monte Cavallo | MC | 17 | 145 | 13510 |
Sant'Anatolia di Narco | PG | 18 | 564 | 14074 |
Campello sul Clitunno | PG | 19 | 2442 | 16516 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1998-02-11 18:02:19 |
42.844 | 13.004 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 322759 |
Field | Value |
---|---|
Time (UTC) | 1998-02-11 18:02:19 ± 0.104 |
Latitude | 42.8440 ± 0.0060 |
Longitude | 13.0040 ± 0.0077 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 322759 |
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) | 919.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 109 |
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) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00065 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00461 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 322759 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:02:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1998-02-11T18:02:38.64 | 10.0 | undecidable | manual | SG | 207 | 0.5106 | -0.31 | 0.4 | |
--.SNTG.Z. | 1998-02-11T18:02:35.40 | 10.0 | undecidable | manual | SG | 353 | 0.3996 | -0.43 | 0.3 | |
--.ASS.Z. | 1998-02-11T18:02:32.78 | 10.0 | undecidable | manual | SG | 310 | 0.333 | 0.21 | 0.7 | |
--.MNS.Z. | 1998-02-11T18:02:30.58 | 10.0 | undecidable | manual | PG | 207 | 0.5106 | -0.14 | 1.7 | |
--.SNTG.Z. | 1998-02-11T18:02:28.40 | 10.0 | undecidable | manual | PG | 353 | 0.3996 | -0.31 | 1.3 | |
--.ASS.Z. | 1998-02-11T18:02:27.45 | 10.0 | undecidable | manual | PG | 310 | 0.333 | 0.41 | 0.9 | |
--.NRCA.Z. | 1998-02-11T18:02:23.30 | 10.0 | undecidable | manual | SG | 97 | 0.0666 | 0 | 1 | |
--.NRCA.Z. | 1998-02-11T18:02:21.78 | 10.0 | undecidable | manual | PG | 97 | 0.0666 | 0.25 | 1.7 |