A magnitude Md 2.2 earthquake occured in region: 11 km SE Valtopina (PG), on
and geographic coordinates (lat, lon) 42.9860, 12.8510 at 4 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 | 11 | 1398 | 1398 |
Monte Cavallo | MC | 12 | 145 | 1543 |
Foligno | PG | 12 | 57155 | 58698 |
Sellano | PG | 12 | 1079 | 59777 |
Serravalle di Chienti | MC | 13 | 1070 | 60847 |
Trevi | PG | 15 | 8469 | 69316 |
Spello | PG | 15 | 8645 | 77961 |
Nocera Umbra | PG | 15 | 5839 | 83800 |
Pieve Torina | MC | 18 | 1458 | 85258 |
Montefalco | PG | 19 | 5679 | 90937 |
Muccia | MC | 19 | 915 | 91852 |
Cerreto di Spoleto | PG | 19 | 1075 | 92927 |
Campello sul Clitunno | PG | 19 | 2442 | 95369 |
Preci | PG | 19 | 724 | 96093 |
Sefro | MC | 20 | 422 | 96515 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1998-04-16 18:30:40 |
42.986 | 12.851 | 4 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 335069 |
Field | Value |
---|---|
Time (UTC) | 1998-04-16 18:30:40 ± 0.225 |
Latitude | 42.9860 ± 0.0132 |
Longitude | 12.8510 ± 0.0211 |
Depth (km) | 4 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 335069 |
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) | 2261.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 114 |
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) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.00146 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00939 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 335069 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:13:52 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.PQ9.Z. | 1998-04-16T18:31:02.39 | 10.0 | undecidable | manual | PG | 156 | 1.0434 | 1.12 | 0.2 | |
--.ARV.Z. | 1998-04-16T18:30:59.86 | 10.0 | undecidable | manual | SG | 7 | 0.5106 | 0.05 | 0.6 | |
--.FB9.Z. | 1998-04-16T18:30:55.36 | 10.0 | undecidable | manual | PG | 355 | 0.6993 | 0.34 | 1.2 | |
--.MNS.Z. | 1998-04-16T18:30:52.81 | 10.0 | undecidable | manual | PG | 191 | 0.6105 | -0.47 | 1.1 | |
--.NRCA.Z. | 1998-04-16T18:30:50.87 | 10.0 | undecidable | manual | SG | 128 | 0.2442 | 1.21 | 0.1 | |
--.ARV.Z. | 1998-04-16T18:30:50.86 | 10.0 | undecidable | manual | PG | 7 | 0.5106 | -0.63 | 1 | |
--.SNTG.Z. | 1998-04-16T18:30:46.58 | 10.0 | undecidable | manual | PG | 13 | 0.2664 | 0.27 | 1.6 | |
--.ASS.Z. | 1998-04-16T18:30:46.91 | 10.0 | undecidable | manual | SG | 297 | 0.1665 | 0.34 | 0.6 | |
--.NRCA.Z. | 1998-04-16T18:30:44.98 | 10.0 | negative | manual | PG | 128 | 0.2442 | -0.65 | 2 | |
--.ASS.Z. | 1998-04-16T18:30:43.76 | 10.0 | undecidable | manual | PG | 297 | 0.1665 | -0.09 | 1.7 |