A magnitude Md 2.0 earthquake occured in region: 6 km NE Nocera Umbra (PG), on
and geographic coordinates (lat, lon) 43.1660, 12.8200 at 7 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 |
---|---|---|---|---|
Nocera Umbra | PG | 7 | 5839 | 5839 |
Gualdo Tadino | PG | 8 | 15208 | 21047 |
Fiuminata | MC | 10 | 1402 | 22449 |
Sefro | MC | 11 | 422 | 22871 |
Valtopina | PG | 13 | 1398 | 24269 |
Pioraco | MC | 14 | 1134 | 25403 |
Esanatoglia | MC | 14 | 2034 | 27437 |
Serravalle di Chienti | MC | 15 | 1070 | 28507 |
Fossato di Vico | PG | 15 | 2840 | 31347 |
Valfabbrica | PG | 18 | 3389 | 34736 |
Matelica | MC | 19 | 9981 | 44717 |
Sigillo | PG | 20 | 2404 | 47121 |
Assisi | PG | 20 | 28299 | 75420 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.0 | 1998-04-06 00:17:52 |
43.166 | 12.82 | 7 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 332029 |
Field | Value |
---|---|
Time (UTC) | 1998-04-06 00:17:52 ± 0.198 |
Latitude | 43.1660 ± 0.0140 |
Longitude | 12.8200 ± 0.0216 |
Depth (km) | 7 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 332029 |
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) | 2340.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 145 |
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) | 0.00105 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00348 |
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 | 2.0 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 332029 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:11:07 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.NRCA.Z. | 1998-04-06T00:18:08.61 | 10.0 | undecidable | manual | SG | 147 | 0.3885 | 0.54 | 0.2 | |
--.ARV.Z. | 1998-04-06T00:18:06.00 | 10.0 | undecidable | manual | SG | 15 | 0.3441 | -0.29 | 0.4 | |
--.ARV.Z. | 1998-04-06T00:18:01.00 | 10.0 | undecidable | manual | PG | 15 | 0.3441 | 0.4 | 0.8 | |
--.NRCA.Z. | 1998-04-06T00:18:01.26 | 10.0 | undecidable | manual | PG | 147 | 0.3885 | -0.37 | 0.8 | |
--.ASS.Z. | 1998-04-06T00:17:59.78 | 10.0 | undecidable | manual | SG | 229 | 0.1554 | 0.37 | 0.4 | |
--.SNTG.Z. | 1998-04-06T00:17:57.73 | 10.0 | undecidable | manual | SG | 44 | 0.1221 | -0.42 | 0.3 | |
--.SNTG.Z. | 1998-04-06T00:17:56.10 | 10.0 | positive | manual | PG | 44 | 0.1221 | 0.11 | 3.7 | |
--.ASS.Z. | 1998-04-06T00:17:56.35 | 10.0 | undecidable | manual | PG | 229 | 0.1554 | -0.28 | 1.4 |