A magnitude Md 1.9 earthquake occured in region: 6 km E Valtopina (PG), on
and geographic coordinates (lat, lon) 43.0440, 12.8230 at 9 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 |
Nocera Umbra | PG | 8 | 5839 | 7237 |
Serravalle di Chienti | MC | 11 | 1070 | 8307 |
Spello | PG | 14 | 8645 | 16952 |
Foligno | PG | 14 | 57155 | 74107 |
Sefro | MC | 15 | 422 | 74529 |
Monte Cavallo | MC | 16 | 145 | 74674 |
Assisi | PG | 17 | 28299 | 102973 |
Muccia | MC | 19 | 915 | 103888 |
Fiuminata | MC | 19 | 1402 | 105290 |
Pieve Torina | MC | 19 | 1458 | 106748 |
Sellano | PG | 19 | 1079 | 107827 |
Trevi | PG | 19 | 8469 | 116296 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.9
ML-VAX 2.8 |
1997-09-26 11:13:38 |
43.044 | 12.823 | 9 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 279459 |
Field | Value |
---|---|
Time (UTC) | 1997-09-26 11:13:38 ± 0.394 |
Latitude | 43.0440 ± 0.0078 |
Longitude | 12.8230 ± 0.0510 |
Depth (km) | 9 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 279459 |
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) | 4232.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 178 |
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) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00113 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00599 |
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 | 1.9 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 279459 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:23:53 |
Field | Value |
---|---|
Value | 2.8 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 279459 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.FB9.Z. | 1997-09-26T11:14:02.10 | 10.0 | undecidable | manual | SG | 356 | 0.6438 | 0.35 | 0.2 | |
--.ARV.Z. | 1997-09-26T11:13:55.92 | 10.0 | undecidable | manual | SG | 10 | 0.4551 | 0.21 | 0.5 | |
--.MNS.Z. | 1997-09-26T11:13:52.31 | 10.0 | undecidable | manual | PG | 188 | 0.666 | 0.02 | 1.4 | |
--.FB9.Z. | 1997-09-26T11:13:51.64 | 10.0 | undecidable | manual | PG | 356 | 0.6438 | -0.32 | 0.6 | |
--.ARV.Z. | 1997-09-26T11:13:48.50 | 10.0 | positive | manual | PG | 10 | 0.4551 | -0.03 | 3.5 | |
--.ASS.Z. | 1997-09-26T11:13:44.60 | 10.0 | undecidable | manual | SG | 278 | 0.1221 | -0.42 | 0.1 | |
--.ASS.Z. | 1997-09-26T11:13:42.36 | 10.0 | undecidable | manual | PG | 278 | 0.1221 | 0.31 | 0.7 |