A magnitude Md 2.1 earthquake occured in region: 5 km SW Gualdo Tadino (PG), on
and geographic coordinates (lat, lon) 43.1900, 12.7570 at 15 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 | 5 | 15208 | 15208 |
Nocera Umbra | PG | 9 | 5839 | 21047 |
Fossato di Vico | PG | 12 | 2840 | 23887 |
Valfabbrica | PG | 13 | 3389 | 27276 |
Fiuminata | MC | 14 | 1402 | 28678 |
Valtopina | PG | 15 | 1398 | 30076 |
Sigillo | PG | 16 | 2404 | 32480 |
Sefro | MC | 16 | 422 | 32902 |
Esanatoglia | MC | 17 | 2034 | 34936 |
Assisi | PG | 17 | 28299 | 63235 |
Pioraco | MC | 19 | 1134 | 64369 |
Costacciaro | PG | 19 | 1216 | 65585 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1998-04-04 19:02:27 |
43.19 | 12.757 | 15 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 331489 |
Field | Value |
---|---|
Time (UTC) | 1998-04-04 19:02:27 ± 0.078 |
Latitude | 43.1900 ± 0.0025 |
Longitude | 12.7570 ± 0.0054 |
Depth (km) | 15 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 331489 |
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) | 517.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 150 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0 |
Epicentral distance of station closest to the epicenter (degree) | 0.00130 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00720 |
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 | 3 |
Type of magnitude | Md |
Reference to an origin | 331489 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:10:38 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.FB9.Z. | 1998-04-04T19:02:45.14 | 10.0 | undecidable | manual | SG | 1 | 0.4995 | -0.16 | 0.1 | |
--.NRCA.Z. | 1998-04-04T19:02:43.36 | 10.0 | undecidable | manual | SG | 143 | 0.444 | -0.03 | 0.5 | |
--.MNS.Z. | 1998-04-04T19:02:43.16 | 10.0 | undecidable | manual | PG | 183 | 0.7992 | -0.12 | 0.5 | |
--.ARV.Z. | 1998-04-04T19:02:40.27 | 10.0 | undecidable | manual | SG | 23 | 0.333 | 0.17 | 0.1 | |
--.FB9.Z. | 1998-04-04T19:02:37.64 | 10.0 | undecidable | manual | PG | 1 | 0.4995 | -0.01 | 1.2 | |
--.NRCA.Z. | 1998-04-04T19:02:36.61 | 10.0 | undecidable | manual | PG | 143 | 0.444 | 0.06 | 1.1 | |
--.ARV.Z. | 1998-04-04T19:02:34.66 | 10.0 | undecidable | manual | PG | 23 | 0.333 | 0.02 | 1.4 | |
--.SNTG.Z. | 1998-04-04T19:02:34.24 | 10.0 | undecidable | manual | SG | 64 | 0.1443 | -0.26 | 0 | |
--.ASS.Z. | 1998-04-04T19:02:34.56 | 10.0 | undecidable | manual | SG | 210 | 0.1443 | 0.05 | 0.5 | |
--.SNTG.Z. | 1998-04-04T19:02:31.45 | 10.0 | positive | manual | PG | 64 | 0.1443 | 0.04 | 2.7 | |
--.ASS.Z. | 1998-04-04T19:02:31.44 | 10.0 | positive | manual | PG | 210 | 0.1443 | 0.02 | 2.8 |