A magnitude Md 2.2 earthquake occured in region: 6 km SE Valtopina (PG), on
and geographic coordinates (lat, lon) 43.0170, 12.7930 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 |
---|---|---|---|---|
Valtopina | PG | 6 | 1398 | 1398 |
Foligno | PG | 10 | 57155 | 58553 |
Spello | PG | 10 | 8645 | 67198 |
Nocera Umbra | PG | 11 | 5839 | 73037 |
Serravalle di Chienti | MC | 14 | 1070 | 74107 |
Assisi | PG | 16 | 28299 | 102406 |
Trevi | PG | 16 | 8469 | 110875 |
Cannara | PG | 17 | 4305 | 115180 |
Monte Cavallo | MC | 17 | 145 | 115325 |
Bevagna | PG | 18 | 5081 | 120406 |
Montefalco | PG | 18 | 5679 | 126085 |
Sellano | PG | 18 | 1079 | 127164 |
Sefro | MC | 19 | 422 | 127586 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1998-07-13 06:03:35 |
43.017 | 12.793 | 15 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 345469 |
Field | Value |
---|---|
Time (UTC) | 1998-07-13 06:03:35 ± 0.095 |
Latitude | 43.0170 ± 0.0023 |
Longitude | 12.7930 ± 0.0052 |
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 | 345469 |
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) | 491.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 165 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
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) | 0.00097 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00437 |
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 | 2.2 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 345469 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:23:33 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.NRCA.Z. | 1998-07-13T06:03:46.85 | 10.0 | undecidable | manual | SG | 127 | 0.2997 | 0.01 | 0.7 | |
--.ARV.Z. | 1998-07-13T06:03:45.43 | 10.0 | undecidable | manual | PG | 12 | 0.4884 | -0.06 | 1 | |
--.SNTG.Z. | 1998-07-13T06:03:45.77 | 10.0 | undecidable | manual | SG | 24 | 0.2553 | 0.05 | 0.6 | |
--.ASS.Z. | 1998-07-13T06:03:41.42 | 10.0 | undecidable | manual | SG | 293 | 0.111 | -0.16 | 0.2 | |
--.SNTG.Z. | 1998-07-13T06:03:41.29 | 10.0 | undecidable | manual | PG | 24 | 0.2553 | 0.03 | 1.7 | |
--.NRCA.Z. | 1998-07-13T06:03:41.88 | 10.0 | undecidable | manual | PG | 127 | 0.2997 | -0.03 | 1.6 | |
--.ASS.Z. | 1998-07-13T06:03:38.97 | 10.0 | undecidable | manual | PG | 293 | 0.111 | 0.1 | 1.1 |