A magnitude Md 2.1 earthquake occured in region: 1 km SE Preci (PG), on
and geographic coordinates (lat, lon) 42.8710, 13.0470 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 | 1 | 724 | 724 |
Visso | MC | 8 | 1107 | 1831 |
Castelsantangelo sul Nera | MC | 9 | 281 | 2112 |
Norcia | PG | 9 | 4957 | 7069 |
Sellano | PG | 10 | 1079 | 8148 |
Ussita | MC | 11 | 444 | 8592 |
Cerreto di Spoleto | PG | 12 | 1075 | 9667 |
Monte Cavallo | MC | 14 | 145 | 9812 |
Cascia | PG | 17 | 3217 | 13029 |
Vallo di Nera | PG | 19 | 364 | 13393 |
Fiordimonte | MC | 19 | 202 | 13595 |
Pieve Torina | MC | 19 | 1458 | 15053 |
Poggiodomo | PG | 20 | 117 | 15170 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1998-05-11 05:44:39 |
42.871 | 13.047 | 16 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 338249 |
Field | Value |
---|---|
Time (UTC) | 1998-05-11 05:44:39 ± 0.281 |
Latitude | 42.8710 ± 0.0076 |
Longitude | 13.0470 ± 0.0233 |
Depth (km) | 16 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 338249 |
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) | 2077.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 139 |
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) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00049 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00494 |
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 | 2.1 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 338249 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:16:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1998-05-11T05:44:59.47 | 10.0 | undecidable | manual | SG | 209 | 0.5439 | -0.14 | 0.4 | |
--.SNTG.Z. | 1998-05-11T05:44:54.28 | 10.0 | undecidable | manual | SG | 348 | 0.3885 | -0.14 | 0.3 | |
--.ASS.Z. | 1998-05-11T05:44:52.90 | 10.0 | undecidable | manual | SG | 303 | 0.3441 | -0.11 | 0.4 | |
--.MNS.Z. | 1998-05-11T05:44:51.22 | 10.0 | undecidable | manual | PG | 209 | 0.5439 | 0 | 1.2 | |
--.ASS.Z. | 1998-05-11T05:44:48.19 | 10.0 | undecidable | manual | PG | 303 | 0.3441 | 0.78 | 0.2 | |
--.SNTG.Z. | 1998-05-11T05:44:48.15 | 10.0 | undecidable | manual | PG | 348 | 0.3885 | -0.07 | 1.1 | |
--.NRCA.Z. | 1998-05-11T05:44:45.44 | 10.0 | undecidable | manual | SG | 128 | 0.0555 | -0.04 | 0.7 | |
--.NRCA.Z. | 1998-05-11T05:44:43.80 | 10.0 | positive | manual | PG | 128 | 0.0555 | 0.02 | 3.6 |