A magnitude Md 2.1 earthquake occured in region: N Norcia (PG), on
and geographic coordinates (lat, lon) 42.7970, 13.0930 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 |
---|---|---|---|---|
Norcia | PG | 0 | 4957 | 4957 |
Preci | PG | 10 | 724 | 5681 |
Cascia | PG | 11 | 3217 | 8898 |
Castelsantangelo sul Nera | MC | 12 | 281 | 9179 |
Cerreto di Spoleto | PG | 15 | 1075 | 10254 |
Visso | MC | 15 | 1107 | 11361 |
Poggiodomo | PG | 16 | 117 | 11478 |
Ussita | MC | 17 | 444 | 11922 |
Arquata del Tronto | AP | 17 | 1178 | 13100 |
Sellano | PG | 17 | 1079 | 14179 |
Accumoli | RI | 17 | 667 | 14846 |
Vallo di Nera | PG | 19 | 364 | 15210 |
Monteleone di Spoleto | PG | 20 | 599 | 15809 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1
ML-VAX 1.7 |
2004-03-07 06:16:30 |
42.797 | 13.093 | 16 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 494549 |
Field | Value |
---|---|
Time (UTC) | 2004-03-07 06:16:30 ± 0.086 |
Latitude | 42.7970 ± 0.0071 |
Longitude | 13.0930 ± 0.0084 |
Depth (km) | 16 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 494549 |
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) | 1047.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 194 |
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) | 0.00032 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00421 |
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 | 494549 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 00:52:14 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 494549 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.SNTG.Z. | 2004-03-07T06:16:47.69 | 10.0 | undecidable | manual | SG | 346 | 0.4662 | 0.08 | 0.5 | |
--.ASS.Z. | 2004-03-07T06:16:46.30 | 10.0 | undecidable | manual | SG | 309 | 0.4107 | 0.1 | 0.5 | |
--.TERO.E. | 2004-03-07T06:16:45.99 | 10.0 | undecidable | manual | SG | 114 | 0.3996 | 0.19 | 0.2 | |
--.SNTG.Z. | 2004-03-07T06:16:40.22 | 10.0 | undecidable | manual | PG | 346 | 0.4662 | -0.14 | 0.8 | |
--.ASS.Z. | 2004-03-07T06:16:39.42 | 10.0 | undecidable | manual | PG | 309 | 0.4107 | 0.03 | 1.7 | |
--.TERO.E. | 2004-03-07T06:16:39.23 | 10.0 | undecidable | manual | PG | 114 | 0.3996 | -0.09 | 1.3 | |
--.NRCA.Z. | 2004-03-07T06:16:35.96 | 10.0 | undecidable | manual | SG | 21 | 0.0333 | 0.18 | 0.2 | |
--.NRCA.Z. | 2004-03-07T06:16:33.43 | 10.0 | negative | manual | PG | 21 | 0.0333 | -0.1 | 2.8 |