A magnitude Md 2.4 earthquake occured in region: 4 km SE Valtopina (PG), on
and geographic coordinates (lat, lon) 43.0250, 12.7770 at 16 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 | 4 | 1398 | 1398 |
Spello | PG | 9 | 8645 | 10043 |
Foligno | PG | 10 | 57155 | 67198 |
Nocera Umbra | PG | 10 | 5839 | 73037 |
Assisi | PG | 14 | 28299 | 101336 |
Serravalle di Chienti | MC | 15 | 1070 | 102406 |
Cannara | PG | 16 | 4305 | 106711 |
Trevi | PG | 17 | 8469 | 115180 |
Bevagna | PG | 17 | 5081 | 120261 |
Montefalco | PG | 18 | 5679 | 125940 |
Monte Cavallo | MC | 19 | 145 | 126085 |
Bastia Umbra | PG | 19 | 21874 | 147959 |
Sellano | PG | 19 | 1079 | 149038 |
Sefro | MC | 20 | 422 | 149460 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4 | 1998-07-22 21:22:36 |
43.025 | 12.777 | 16 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 346009 |
Field | Value |
---|---|
Time (UTC) | 1998-07-22 21:22:36 ± 0.169 |
Latitude | 43.0250 ± 0.0047 |
Longitude | 12.7770 ± 0.0103 |
Depth (km) | 16 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 346009 |
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) | 991.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 164 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00081 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00599 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 346009 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:24:04 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.FB9.Z. | 1998-07-22T21:22:59.40 | 10.0 | undecidable | manual | SG | 359 | 0.666 | -0.16 | 0.4 | |
--.ARV.Z. | 1998-07-22T21:22:53.92 | 10.0 | undecidable | manual | SG | 14 | 0.4884 | 0.01 | 0.9 | |
--.FB9.Z. | 1998-07-22T21:22:49.83 | 10.0 | undecidable | manual | PG | 359 | 0.666 | 0.16 | 1.4 | |
--.NRCA.Z. | 1998-07-22T21:22:48.58 | 10.0 | undecidable | manual | SG | 127 | 0.3108 | 0.23 | 0.5 | |
--.ARV.Z. | 1998-07-22T21:22:46.23 | 10.0 | undecidable | manual | PG | 14 | 0.4884 | -0.19 | 1.4 | |
--.SNTG.Z. | 1998-07-22T21:22:46.77 | 10.0 | undecidable | manual | SG | 27 | 0.2553 | 0.01 | 1 | |
--.NRCA.Z. | 1998-07-22T21:22:42.98 | 10.0 | undecidable | manual | PG | 127 | 0.3108 | -0.22 | 1.3 | |
--.ASS.Z. | 1998-07-22T21:22:42.18 | 10.0 | undecidable | manual | SG | 292 | 0.0888 | -0.34 | 0.2 | |
--.SNTG.Z. | 1998-07-22T21:22:42.45 | 10.0 | undecidable | manual | PG | 27 | 0.2553 | 0.17 | 1.7 | |
--.ASS.Z. | 1998-07-22T21:22:40.50 | 10.0 | undecidable | manual | PG | 292 | 0.0888 | 0.21 | 1.3 |