A magnitude Md 2.1 earthquake occured in region: 2 km E Valtopina (PG), on
and geographic coordinates (lat, lon) 43.0610, 12.7860 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 | 3 | 1398 | 1398 |
Nocera Umbra | PG | 6 | 5839 | 7237 |
Spello | PG | 12 | 8645 | 15882 |
Foligno | PG | 13 | 57155 | 73037 |
Serravalle di Chienti | MC | 14 | 1070 | 74107 |
Assisi | PG | 14 | 28299 | 102406 |
Sefro | MC | 16 | 422 | 102828 |
Cannara | PG | 18 | 4305 | 107133 |
Valfabbrica | PG | 19 | 3389 | 110522 |
Fiuminata | MC | 19 | 1402 | 111924 |
Gualdo Tadino | PG | 19 | 15208 | 127132 |
Monte Cavallo | MC | 19 | 145 | 127277 |
Bastia Umbra | PG | 19 | 21874 | 149151 |
Bevagna | PG | 20 | 5081 | 154232 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1998-06-16 11:54:00 |
43.061 | 12.786 | 15 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 342659 |
Field | Value |
---|---|
Time (UTC) | 1998-06-16 11:54:00 ± 0.13 |
Latitude | 43.0610 ± 0.0037 |
Longitude | 12.7860 ± 0.0102 |
Depth (km) | 15 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 342659 |
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) | 924.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 103 |
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) | 0.00081 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00607 |
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 | 342659 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:20:57 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1998-06-16T11:54:24.70 | 10.0 | undecidable | manual | SG | 186 | 0.6771 | 0.36 | 0.1 | |
--.FB9.Z. | 1998-06-16T11:54:23.17 | 10.0 | undecidable | manual | SG | 359 | 0.6327 | 0.39 | 0.1 | |
--.ARV.Z. | 1998-06-16T11:54:17.12 | 10.0 | undecidable | manual | SG | 14 | 0.444 | 0.05 | 0.7 | |
--.MNS.Z. | 1998-06-16T11:54:14.70 | 10.0 | undecidable | manual | PG | 186 | 0.6771 | -0.21 | 0.7 | |
--.FB9.Z. | 1998-06-16T11:54:13.35 | 10.0 | undecidable | manual | PG | 359 | 0.6327 | -0.03 | 1.4 | |
--.NRCA.Z. | 1998-06-16T11:54:13.23 | 10.0 | undecidable | manual | SG | 133 | 0.3219 | 0.03 | 0.7 | |
--.ARV.Z. | 1998-06-16T11:54:09.90 | 10.0 | undecidable | manual | PG | 14 | 0.444 | -0.19 | 1 | |
--.SNTG.Z. | 1998-06-16T11:54:09.95 | 10.0 | undecidable | manual | SG | 29 | 0.2109 | 0.02 | 0.7 | |
--.NRCA.Z. | 1998-06-16T11:54:07.86 | 10.0 | negative | manual | PG | 133 | 0.3219 | 0.01 | 3.8 | |
--.ASS.Z. | 1998-06-16T11:54:06.19 | 10.0 | undecidable | manual | SG | 270 | 0.0888 | -0.36 | 0.1 | |
--.SNTG.Z. | 1998-06-16T11:54:05.93 | 10.0 | undecidable | manual | PG | 29 | 0.2109 | -0.03 | 1.9 | |
--.ASS.Z. | 1998-06-16T11:54:04.24 | 10.0 | undecidable | manual | PG | 270 | 0.0888 | 0.23 | 0.8 |