A magnitude Md 2.2 earthquake occured in region: 5 km NW Pietralunga (PG), on
and geographic coordinates (lat, lon) 43.4730, 12.3940 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 | 5 | 2111 | 2111 |
Apecchio | PU | 10 | 1882 | 3993 |
CittĂ di Castello | PG | 13 | 39913 | 43906 |
Montone | PG | 13 | 1680 | 45586 |
Piobbico | PU | 16 | 2029 | 47615 |
Cantiano | PU | 19 | 2245 | 49860 |
Monte Santa Maria Tiberina | PG | 19 | 1183 | 51043 |
Umbertide | PG | 19 | 16681 | 67724 |
San Giustino | PG | 19 | 11297 | 79021 |
Mercatello sul Metauro | PU | 20 | 1378 | 80399 |
Gubbio | PG | 20 | 32216 | 112615 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1986-07-30 20:24:01 |
43.473 | 12.394 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 31779 |
Field | Value |
---|---|
Time (UTC) | 1986-07-30 20:24:01 ± 0.338 |
Latitude | 43.4730 ± 0.0218 |
Longitude | 12.3940 ± 0.0250 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 31779 |
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) | 3155.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 151 |
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) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00316 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00405 |
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 | 2.2 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 31779 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:32:45 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ASS.Z. | 1986-07-30T20:24:18.00 | 10.0 | undecidable | manual | SG | 155 | 0.444 | -0.35 | 0.6 | |
--.ARV.Z. | 1986-07-30T20:24:16.30 | 10.0 | undecidable | manual | SG | 85 | 0.3996 | -0.39 | 0.7 | |
--.CRE.Z. | 1986-07-30T20:24:14.00 | 10.0 | undecidable | manual | SG | 294 | 0.3552 | -1.19 | 0.2 | |
--.ASS.Z. | 1986-07-30T20:24:11.50 | 10.0 | undecidable | manual | PG | 155 | 0.444 | 0.08 | 1.8 | |
--.CRE.Z. | 1986-07-30T20:24:10.50 | 10.0 | undecidable | manual | PG | 294 | 0.3552 | 0.91 | 0.7 | |
--.ARV.Z. | 1986-07-30T20:24:10.50 | 10.0 | undecidable | manual | PG | 85 | 0.3996 | 0.05 | 2 |