A magnitude Md 1.9 earthquake occured in region: 7 km SE Valtopina (PG), on
and geographic coordinates (lat, lon) 43.0190, 12.8280 at 10 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 | 8 | 1398 | 1398 |
Nocera Umbra | PG | 11 | 5839 | 7237 |
Serravalle di Chienti | MC | 12 | 1070 | 8307 |
Foligno | PG | 12 | 57155 | 65462 |
Spello | PG | 13 | 8645 | 74107 |
Monte Cavallo | MC | 14 | 145 | 74252 |
Sellano | PG | 17 | 1079 | 75331 |
Trevi | PG | 17 | 8469 | 83800 |
Sefro | MC | 17 | 422 | 84222 |
Assisi | PG | 18 | 28299 | 112521 |
Pieve Torina | MC | 18 | 1458 | 113979 |
Muccia | MC | 19 | 915 | 114894 |
Montefalco | PG | 20 | 5679 | 120573 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.9
ML-VAX 1.9 |
1989-12-08 05:16:02 |
43.019 | 12.828 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 105739 |
Field | Value |
---|---|
Time (UTC) | 1989-12-08 05:16:02 ± 0.056 |
Latitude | 43.0190 ± 0.0032 |
Longitude | 12.8280 ± 0.0046 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 105739 |
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) | 511.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 99 |
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) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00121 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00575 |
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 | 1.9 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 105739 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:38:30 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 105739 |
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. | 1989-12-08T05:16:25.25 | 10.0 | undecidable | manual | SG | 189 | 0.6327 | -0.08 | 0.5 | |
--.ARV.Z. | 1989-12-08T05:16:20.33 | 10.0 | undecidable | manual | SG | 9 | 0.4884 | 0 | 0.7 | |
--.MNS.Z. | 1989-12-08T05:16:15.74 | 10.0 | negative | manual | PG | 189 | 0.6327 | -0.06 | 2.5 | |
--.CM8.Z. | 1989-12-08T05:16:14.50 | 10.0 | undecidable | manual | SG | 52 | 0.2886 | 0.05 | 1.2 | |
--.RM8.Z. | 1989-12-08T05:16:14.14 | 10.0 | undecidable | manual | SG | 102 | 0.2775 | 0.26 | 0.4 | |
--.ARV.Z. | 1989-12-08T05:16:12.68 | 10.0 | undecidable | manual | PG | 9 | 0.4884 | -0.23 | 0.6 | |
--.ASS.Z. | 1989-12-08T05:16:09.30 | 10.0 | undecidable | manual | SG | 288 | 0.1332 | -0.01 | 0.8 | |
--.CM8.Z. | 1989-12-08T05:16:09.70 | 10.0 | undecidable | manual | PG | 52 | 0.2886 | -0.19 | 1 | |
--.RM8.Z. | 1989-12-08T05:16:09.20 | 10.0 | undecidable | manual | PG | 102 | 0.2775 | 0.01 | 2 | |
--.ASS.Z. | 1989-12-08T05:16:06.72 | 10.0 | undecidable | manual | PG | 288 | 0.1332 | 0.32 | 0.4 |