A magnitude Md 2.2 earthquake occured in region: 4 km E Assisi (PG), on
and geographic coordinates (lat, lon) 43.0890, 12.6590 at 20 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 | 4 | 28299 | 28299 |
Valtopina | PG | 9 | 1398 | 29697 |
Valfabbrica | PG | 9 | 3389 | 33086 |
Bastia Umbra | PG | 9 | 21874 | 54960 |
Spello | PG | 11 | 8645 | 63605 |
Nocera Umbra | PG | 11 | 5839 | 69444 |
Cannara | PG | 12 | 4305 | 73749 |
Foligno | PG | 15 | 57155 | 130904 |
Bettona | PG | 16 | 4367 | 135271 |
Bevagna | PG | 18 | 5081 | 140352 |
Gualdo Tadino | PG | 19 | 15208 | 155560 |
Torgiano | PG | 20 | 6725 | 162285 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2
ML-VAX 2.2 |
1997-09-30 08:10:42 |
43.089 | 12.659 | 20 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 285439 |
Field | Value |
---|---|
Time (UTC) | 1997-09-30 08:10:42 ± 0.374 |
Latitude | 43.0890 ± 0.0168 |
Longitude | 12.6590 ± 0.1306 |
Depth (km) | 20 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 285439 |
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) | 10771.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 178 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
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) | 0.00016 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00631 |
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 | 2.2 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 285439 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:29:06 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 285439 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 13:07:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.FB9.Z. | 1997-09-30T08:11:04.70 | 10.0 | undecidable | manual | SG | 8 | 0.5994 | 0.51 | 0.4 | |
--.ARV.Z. | 1997-09-30T08:11:00.35 | 10.0 | undecidable | manual | SG | 26 | 0.4551 | 0.87 | 0.1 | |
--.MNS.Z. | 1997-09-30T08:10:56.97 | 10.0 | undecidable | manual | PG | 178 | 0.6993 | 0.25 | 1.4 | |
--.FB9.Z. | 1997-09-30T08:10:54.96 | 10.0 | undecidable | manual | PG | 8 | 0.5994 | -0.04 | 1.7 | |
--.ARV.Z. | 1997-09-30T08:10:51.52 | 10.0 | undecidable | manual | PG | 26 | 0.4551 | -0.77 | 0.5 | |
--.ASS.Z. | 1997-09-30T08:10:48.70 | 10.0 | undecidable | manual | SG | 189 | 0.0222 | -0.09 | 0.8 | |
--.ASS.Z. | 1997-09-30T08:10:46.10 | 10.0 | undecidable | manual | PG | 189 | 0.0222 | -0.1 | 2.1 |