A magnitude Md 2.2 earthquake occured in region: 3 km E Valtopina (PG), on
and geographic coordinates (lat, lon) 43.0710, 12.7830 at 18 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 | 5 | 5839 | 7237 |
Spello | PG | 13 | 8645 | 15882 |
Assisi | PG | 14 | 28299 | 44181 |
Serravalle di Chienti | MC | 14 | 1070 | 45251 |
Foligno | PG | 14 | 57155 | 102406 |
Sefro | MC | 16 | 422 | 102828 |
Valfabbrica | PG | 18 | 3389 | 106217 |
Gualdo Tadino | PG | 18 | 15208 | 121425 |
Fiuminata | MC | 18 | 1402 | 122827 |
Cannara | PG | 18 | 4305 | 127132 |
Bastia Umbra | PG | 19 | 21874 | 149006 |
Monte Cavallo | MC | 20 | 145 | 149151 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2
ML-VAX 1.5 |
1998-04-19 17:05:53 |
43.071 | 12.783 | 18 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 335499 |
Field | Value |
---|---|
Time (UTC) | 1998-04-19 17:05:53 ± 0.21 |
Latitude | 43.0710 ± 0.0062 |
Longitude | 12.7830 ± 0.0167 |
Depth (km) | 18 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 335499 |
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) | 1521.9 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 102 |
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) | 0.00615 |
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 | 2.2 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 335499 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:14:16 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 335499 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 13:07:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1998-04-19T17:06:18.13 | 10.0 | undecidable | manual | SG | 186 | 0.6882 | 0.75 | 0 | |
--.FB9.Z. | 1998-04-19T17:06:15.60 | 10.0 | undecidable | manual | SG | 359 | 0.6216 | -0.09 | 0.5 | |
--.ARV.Z. | 1998-04-19T17:06:09.76 | 10.0 | undecidable | manual | SG | 15 | 0.444 | 0.22 | 0.4 | |
--.MNS.Z. | 1998-04-19T17:06:07.00 | 10.0 | undecidable | manual | PG | 186 | 0.6882 | -0.14 | 1 | |
--.NRCA.Z. | 1998-04-19T17:06:06.40 | 10.0 | undecidable | manual | SG | 134 | 0.333 | -0.28 | 0.3 | |
--.FB9.Z. | 1998-04-19T17:06:05.94 | 10.0 | undecidable | manual | PG | 359 | 0.6216 | 0.09 | 1.2 | |
--.SNTG.Z. | 1998-04-19T17:06:03.37 | 10.0 | undecidable | manual | SG | 31 | 0.2109 | 0.66 | 0 | |
--.ARV.Z. | 1998-04-19T17:06:02.54 | 10.0 | undecidable | manual | PG | 15 | 0.444 | -0.08 | 1.5 | |
--.NRCA.Z. | 1998-04-19T17:06:00.70 | 10.0 | undecidable | manual | PG | 134 | 0.333 | -0.05 | 1.6 | |
--.ASS.Z. | 1998-04-19T17:05:59.71 | 10.0 | undecidable | manual | SG | 264 | 0.0888 | -0.11 | 0.6 | |
--.SNTG.Z. | 1998-04-19T17:05:58.57 | 10.0 | positive | manual | PG | 31 | 0.2109 | -0.1 | 3.1 | |
--.ASS.Z. | 1998-04-19T17:05:56.92 | 10.0 | undecidable | manual | PG | 264 | 0.0888 | -0.08 | 1.6 |