A magnitude Md 2.1 earthquake occured in region: 8 km NE Valfabbrica (PG), on
and geographic coordinates (lat, lon) 43.2280, 12.6380 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 |
---|---|---|---|---|
Valfabbrica | PG | 8 | 3389 | 3389 |
Gualdo Tadino | PG | 12 | 15208 | 18597 |
Fossato di Vico | PG | 13 | 2840 | 21437 |
Sigillo | PG | 14 | 2404 | 23841 |
Gubbio | PG | 15 | 32216 | 56057 |
Costacciaro | PG | 16 | 1216 | 57273 |
Assisi | PG | 18 | 28299 | 85572 |
Nocera Umbra | PG | 18 | 5839 | 91411 |
Bastia Umbra | PG | 19 | 21874 | 113285 |
Scheggia e Pascelupo | PG | 20 | 1393 | 114678 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1985-04-16 12:26:08 |
43.228 | 12.638 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 4759 |
Field | Value |
---|---|
Time (UTC) | 1985-04-16 12:26:08 ± 1.273 |
Latitude | 43.2280 ± 0.0473 |
Longitude | 12.6380 ± 0.2044 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 4759 |
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) | 17372.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 221 |
Number of associated phases, regardless of their use for origin computation | 6 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.6 |
Epicentral distance of station closest to the epicenter (degree) | 0.00146 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00753 |
Number of stations at which the event was observed | 3 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 4759 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:09:19 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1985-04-16T12:26:38.00 | 10.0 | undecidable | manual | SG | 177 | 0.8325 | 0.26 | 0.4 | |
--.MNS.Z. | 1985-04-16T12:26:27.00 | 10.0 | undecidable | manual | PG | 177 | 0.8325 | 1.51 | 0.2 | |
--.AR1.Z. | 1985-04-16T12:26:22.00 | 10.0 | undecidable | manual | SG | 39 | 0.3441 | 0.14 | 0.6 | |
--.AR1.Z. | 1985-04-16T12:26:16.00 | 10.0 | positive | manual | PG | 39 | 0.3441 | -0.32 | 2.7 | |
--.AS1.Z. | 1985-04-16T12:26:15.50 | 10.0 | undecidable | manual | SG | 176 | 0.1665 | -0.5 | 0.5 | |
--.AS1.Z. | 1985-04-16T12:26:12.00 | 10.0 | negative | manual | PG | 176 | 0.1665 | -0.93 | 1.6 |