A magnitude Md 2.1 earthquake occured in region: 5 km NE Nocera Umbra (PG), on
and geographic coordinates (lat, lon) 43.1500, 12.8180 at 18 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 | 5 | 5839 | 5839 |
Gualdo Tadino | PG | 10 | 15208 | 21047 |
Fiuminata | MC | 10 | 1402 | 22449 |
Sefro | MC | 11 | 422 | 22871 |
Valtopina | PG | 11 | 1398 | 24269 |
Serravalle di Chienti | MC | 14 | 1070 | 25339 |
Pioraco | MC | 14 | 1134 | 26473 |
Esanatoglia | MC | 16 | 2034 | 28507 |
Fossato di Vico | PG | 17 | 2840 | 31347 |
Valfabbrica | PG | 18 | 3389 | 34736 |
Assisi | PG | 19 | 28299 | 63035 |
Matelica | MC | 20 | 9981 | 73016 |
Muccia | MC | 20 | 915 | 73931 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1998-04-03 07:48:25 |
43.15 | 12.818 | 18 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 329769 |
Field | Value |
---|---|
Time (UTC) | 1998-04-03 07:48:25 ± 0.591 |
Latitude | 43.1500 ± 0.0213 |
Longitude | 12.8180 ± 0.0349 |
Depth (km) | 18 ± 4 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 329769 |
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) | 3697.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 193 |
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) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00121 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00486 |
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 | 1 |
Type of magnitude | Md |
Reference to an origin | 329769 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:09:05 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.FB9.Z. | 1998-04-03T07:48:45.20 | 10.0 | undecidable | manual | SG | 356 | 0.5439 | -0.06 | 0.6 | |
--.ARV.Z. | 1998-04-03T07:48:39.00 | 10.0 | undecidable | manual | SG | 14 | 0.3552 | -0.55 | 0.4 | |
--.FB9.Z. | 1998-04-03T07:48:37.81 | 10.0 | undecidable | manual | PG | 356 | 0.5439 | 0.79 | 0.5 | |
--.ARV.Z. | 1998-04-03T07:48:33.00 | 10.0 | undecidable | manual | PG | 14 | 0.3552 | -0.72 | 0.7 | |
--.ASS.Z. | 1998-04-03T07:48:33.54 | 10.0 | undecidable | manual | SG | 233 | 0.1443 | 0 | 0.9 | |
--.SNTG.Z. | 1998-04-03T07:48:33.44 | 10.0 | undecidable | manual | SG | 40 | 0.1332 | 0.19 | 0.8 | |
--.SNTG.Z. | 1998-04-03T07:48:30.38 | 10.0 | undecidable | manual | PG | 40 | 0.1332 | 0.3 | 1.9 | |
--.ASS.Z. | 1998-04-03T07:48:30.70 | 10.0 | undecidable | manual | PG | 233 | 0.1443 | -0.18 | 2.1 |