A magnitude Md 2.3 earthquake occured in region: 6 km SE Pietralunga (PG), on
and geographic coordinates (lat, lon) 43.4110, 12.4940 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 |
---|---|---|---|---|
Pietralunga | PG | 6 | 2111 | 2111 |
Gubbio | PG | 9 | 32216 | 34327 |
Cantiano | PU | 13 | 2245 | 36572 |
Scheggia e Pascelupo | PG | 14 | 1393 | 37965 |
Montone | PG | 14 | 1680 | 39645 |
Apecchio | PU | 18 | 1882 | 41527 |
Umbertide | PG | 18 | 16681 | 58208 |
Costacciaro | PG | 19 | 1216 | 59424 |
Cagli | PU | 20 | 8731 | 68155 |
Piobbico | PU | 20 | 2029 | 70184 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1991-08-18 19:26:27 |
43.411 | 12.494 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 147669 |
Field | Value |
---|---|
Time (UTC) | 1991-08-18 19:26:27 ± 0.218 |
Latitude | 43.4110 ± 0.0156 |
Longitude | 12.4940 ± 0.0180 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 147669 |
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) | 2263.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 136 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
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) | 0.00300 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00607 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 147669 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:17:50 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SFI.Z. | 1991-08-18T19:26:51.90 | 10.0 | undecidable | manual | SG | 317 | 0.6771 | 0.74 | 0.2 | |
--.CRE.Z. | 1991-08-18T19:26:43.76 | 10.0 | undecidable | manual | SG | 298 | 0.444 | 0.1 | 0.6 | |
--.ASS.Z. | 1991-08-18T19:26:40.77 | 10.0 | undecidable | manual | SG | 161 | 0.3552 | -0.34 | 0.7 | |
--.ARV.Z. | 1991-08-18T19:26:40.47 | 10.0 | undecidable | manual | SG | 75 | 0.333 | 0.27 | 0.7 | |
--.SFI.Z. | 1991-08-18T19:26:39.66 | 10.0 | undecidable | manual | PG | 317 | 0.6771 | -1.47 | 0.3 | |
--.CRE.Z. | 1991-08-18T19:26:36.87 | 10.0 | undecidable | manual | PG | 298 | 0.444 | 0.07 | 1.8 | |
--.ASS.Z. | 1991-08-18T19:26:35.54 | 10.0 | undecidable | manual | PG | 161 | 0.3552 | 0.21 | 1.8 | |
--.ARV.Z. | 1991-08-18T19:26:34.68 | 10.0 | undecidable | manual | PG | 75 | 0.333 | -0.13 | 2 |