A magnitude Md 2.1 earthquake occured in region: 6 km E Valfabbrica (PG), on
and geographic coordinates (lat, lon) 43.1350, 12.6710 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 |
---|---|---|---|---|
Valfabbrica | PG | 6 | 3389 | 3389 |
Assisi | PG | 8 | 28299 | 31688 |
Nocera Umbra | PG | 10 | 5839 | 37527 |
Valtopina | PG | 11 | 1398 | 38925 |
Bastia Umbra | PG | 12 | 21874 | 60799 |
Gualdo Tadino | PG | 14 | 15208 | 76007 |
Spello | PG | 16 | 8645 | 84652 |
Cannara | PG | 17 | 4305 | 88957 |
Fossato di Vico | PG | 19 | 2840 | 91797 |
Foligno | PG | 20 | 57155 | 148952 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1985-02-21 02:05:59 |
43.135 | 12.671 | 9 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 2079 |
Field | Value |
---|---|
Time (UTC) | 1985-02-21 02:05:59 ± 0.135 |
Latitude | 43.1350 ± 0.0102 |
Longitude | 12.6710 ± 0.0129 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 2079 |
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) | 1544.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 127 |
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) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00065 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00672 |
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 | 3 |
Type of magnitude | Md |
Reference to an origin | 2079 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:07:05 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1985-02-21T02:06:26.00 | 10.0 | undecidable | manual | SG | 179 | 0.7437 | 0.3 | 0.4 | |
--.PO9.Z. | 1985-02-21T02:06:20.00 | 10.0 | undecidable | manual | SG | 160 | 0.5883 | -0.71 | 0.1 | |
--.MNS.Z. | 1985-02-21T02:06:15.50 | 10.0 | undecidable | manual | PG | 179 | 0.7437 | 0.87 | 0.1 | |
--.AR1.Z. | 1985-02-21T02:06:15.00 | 10.0 | undecidable | manual | SG | 28 | 0.4107 | 0.08 | 0.6 | |
--.CM8.Z. | 1985-02-21T02:06:12.70 | 10.0 | undecidable | manual | SG | 79 | 0.3441 | -0.18 | 0.8 | |
--.PO9.Z. | 1985-02-21T02:06:11.50 | 10.0 | undecidable | manual | PG | 160 | 0.5883 | -0.25 | 1 | |
--.AR1.Z. | 1985-02-21T02:06:09.00 | 10.0 | undecidable | manual | PG | 28 | 0.4107 | 0.59 | 0.6 | |
--.PRG.Z. | 1985-02-21T02:06:08.00 | 10.0 | undecidable | manual | SG | 260 | 0.1998 | 0.12 | 0.9 | |
--.CM8.Z. | 1985-02-21T02:06:06.90 | 10.0 | positive | manual | PG | 79 | 0.3441 | -0.33 | 1.1 | |
--.PRG.Z. | 1985-02-21T02:06:04.00 | 10.0 | positive | manual | PG | 260 | 0.1998 | -0.34 | 2.2 | |
--.AS1.Z. | 1985-02-21T02:06:03.80 | 10.0 | undecidable | manual | SG | 190 | 0.0666 | 0.13 | 0.9 | |
--.AS1.Z. | 1985-02-21T02:06:02.00 | 10.0 | positive | manual | PG | 190 | 0.0666 | 0.09 | 3.2 |