A magnitude Md 2.3 earthquake occured in region: 5 km SE Assisi (PG), on
and geographic coordinates (lat, lon) 43.0420, 12.6540 at 6 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 |
---|---|---|---|---|
Assisi | PG | 5 | 28299 | 28299 |
Spello | PG | 6 | 8645 | 36944 |
Cannara | PG | 8 | 4305 | 41249 |
Valtopina | PG | 9 | 1398 | 42647 |
Bastia Umbra | PG | 9 | 21874 | 64521 |
Foligno | PG | 10 | 57155 | 121676 |
Bevagna | PG | 12 | 5081 | 126757 |
Nocera Umbra | PG | 14 | 5839 | 132596 |
Valfabbrica | PG | 14 | 3389 | 135985 |
Bettona | PG | 14 | 4367 | 140352 |
Montefalco | PG | 16 | 5679 | 146031 |
Gualdo Cattaneo | PG | 17 | 6155 | 152186 |
Torgiano | PG | 18 | 6725 | 158911 |
Trevi | PG | 20 | 8469 | 167380 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1985-04-30 22:47:37 |
43.042 | 12.654 | 6 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 5709 |
Field | Value |
---|---|
Time (UTC) | 1985-04-30 22:47:37 ± 0.354 |
Latitude | 43.0420 ± 0.0273 |
Longitude | 12.6540 ± 0.0492 |
Depth (km) | 6 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 5709 |
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) | 5019.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 140 |
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) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00016 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00696 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 5709 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:10:08 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1985-04-30T22:48:03.00 | 10.0 | undecidable | manual | SG | 178 | 0.6549 | 1.57 | 0 | |
--.CH1.Z. | 1985-04-30T22:47:54.00 | 10.0 | undecidable | manual | PG? | 318 | 0.777 | 0.34 | 0.4 | |
--.CM2.Z. | 1985-04-30T22:47:53.40 | 10.0 | undecidable | manual | SG | 66 | 0.3885 | 0.65 | 0.6 | |
--.MNS.Z. | 1985-04-30T22:47:50.50 | 10.0 | undecidable | manual | PG | 178 | 0.6549 | -0.91 | 0.4 | |
--.PO9.Z. | 1985-04-30T22:47:48.80 | 10.0 | undecidable | manual | PG | 155 | 0.5106 | 0.05 | 1.5 | |
--.CM2.Z. | 1985-04-30T22:47:45.80 | 10.0 | undecidable | manual | PG | 66 | 0.3885 | -0.61 | 1 | |
--.AS1.Z. | 1985-04-30T22:47:40.00 | 10.0 | undecidable | manual | SG | 357 | 0.0222 | -0.11 | 1 | |
--.AS1.Z. | 1985-04-30T22:47:39.30 | 10.0 | positive | manual | PG | 357 | 0.0222 | 0.19 | 3.1 |