A magnitude Md 2.1 earthquake occured in region: 6 km SW Gualdo Tadino (PG), on
and geographic coordinates (lat, lon) 43.1790, 12.7620 at 13 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 |
---|---|---|---|---|
Gualdo Tadino | PG | 6 | 15208 | 15208 |
Nocera Umbra | PG | 8 | 5839 | 21047 |
Fossato di Vico | PG | 13 | 2840 | 23887 |
Valfabbrica | PG | 13 | 3389 | 27276 |
Valtopina | PG | 13 | 1398 | 28674 |
Fiuminata | MC | 14 | 1402 | 30076 |
Sefro | MC | 16 | 422 | 30498 |
Assisi | PG | 17 | 28299 | 58797 |
Esanatoglia | MC | 17 | 2034 | 60831 |
Sigillo | PG | 17 | 2404 | 63235 |
Pioraco | MC | 18 | 1134 | 64369 |
Serravalle di Chienti | MC | 20 | 1070 | 65439 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1998-04-04 11:34:03 |
43.179 | 12.762 | 13 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 331349 |
Field | Value |
---|---|
Time (UTC) | 1998-04-04 11:34:03 ± 0.08 |
Latitude | 43.1790 ± 0.0026 |
Longitude | 12.7620 ± 0.0062 |
Depth (km) | 13 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 331349 |
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) | 576.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 146 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
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) | 0.00121 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00712 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 331349 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:10:30 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1998-04-04T11:34:31.32 | 10.0 | undecidable | manual | SG | 184 | 0.7881 | 0.22 | 0.1 | |
--.FB9.Z. | 1998-04-04T11:34:22.13 | 10.0 | undecidable | manual | SG | 1 | 0.5106 | 0.07 | 0.6 | |
--.MNS.Z. | 1998-04-04T11:34:19.26 | 10.0 | undecidable | manual | PG | 184 | 0.7881 | -0.23 | 0.3 | |
--.NRCA.Z. | 1998-04-04T11:34:19.51 | 10.0 | undecidable | manual | SG | 143 | 0.4218 | 0.12 | 0.5 | |
--.ARV.Z. | 1998-04-04T11:34:16.50 | 10.0 | undecidable | manual | SG | 22 | 0.3441 | -0.21 | 0.2 | |
--.FB9.Z. | 1998-04-04T11:34:14.37 | 10.0 | undecidable | manual | PG | 1 | 0.5106 | 0.1 | 1.2 | |
--.NRCA.Z. | 1998-04-04T11:34:12.72 | 10.0 | undecidable | manual | PG | 143 | 0.4218 | -0.01 | 1.9 | |
--.ARV.Z. | 1998-04-04T11:34:11.10 | 10.0 | undecidable | manual | PG | 22 | 0.3441 | -0.07 | 1.6 | |
--.ASS.Z. | 1998-04-04T11:34:10.31 | 10.0 | undecidable | manual | SG | 214 | 0.1332 | -0.1 | 0.6 | |
--.SNTG.Z. | 1998-04-04T11:34:10.44 | 10.0 | undecidable | manual | SG | 59 | 0.1443 | -0.22 | 0.2 | |
--.ASS.Z. | 1998-04-04T11:34:07.61 | 10.0 | undecidable | manual | PG | 214 | 0.1332 | 0.07 | 1.7 | |
--.SNTG.Z. | 1998-04-04T11:34:07.77 | 10.0 | positive | manual | PG | 59 | 0.1443 | 0.08 | 3.1 |