A magnitude Md 2.2 earthquake occured in region: 6 km SW Gualdo Tadino (PG), on
and geographic coordinates (lat, lon) 43.1830, 12.7460 at 15 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 |
---|---|---|---|---|
Gualdo Tadino | PG | 6 | 15208 | 15208 |
Nocera Umbra | PG | 9 | 5839 | 21047 |
Valfabbrica | PG | 12 | 3389 | 24436 |
Fossato di Vico | PG | 13 | 2840 | 27276 |
Valtopina | PG | 14 | 1398 | 28674 |
Fiuminata | MC | 15 | 1402 | 30076 |
Assisi | PG | 16 | 28299 | 58375 |
Sigillo | PG | 17 | 2404 | 60779 |
Sefro | MC | 17 | 422 | 61201 |
Esanatoglia | MC | 18 | 2034 | 63235 |
Pioraco | MC | 19 | 1134 | 64369 |
Costacciaro | PG | 20 | 1216 | 65585 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1998-04-04 01:10:39 |
43.183 | 12.746 | 15 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 331029 |
Field | Value |
---|---|
Time (UTC) | 1998-04-04 01:10:39 ± 0.103 |
Latitude | 43.1830 ± 0.0034 |
Longitude | 12.7460 ± 0.0073 |
Depth (km) | 15 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 331029 |
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) | 702.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 152 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00121 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00712 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 331029 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:10:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1998-04-04T01:11:07.58 | 10.0 | undecidable | manual | SG | 183 | 0.7881 | 0.25 | 0 | |
--.FB9.Z. | 1998-04-04T01:10:57.98 | 10.0 | undecidable | manual | SG | 2 | 0.4995 | -0.08 | 0.4 | |
--.NRCA.Z. | 1998-04-04T01:10:56.30 | 10.0 | undecidable | manual | SG | 142 | 0.4329 | 0.18 | 0.2 | |
--.MNS.Z. | 1998-04-04T01:10:55.38 | 10.0 | undecidable | manual | PG | 183 | 0.7881 | -0.28 | 0.1 | |
--.ARV.Z. | 1998-04-04T01:10:53.14 | 10.0 | undecidable | manual | SG | 24 | 0.3441 | 0.23 | 0.1 | |
--.FB9.Z. | 1998-04-04T01:10:50.30 | 10.0 | undecidable | manual | PG | 2 | 0.4995 | -0.01 | 1.3 | |
--.NRCA.Z. | 1998-04-04T01:10:48.99 | 10.0 | undecidable | manual | PG | 142 | 0.4329 | -0.04 | 1.4 | |
--.ARV.Z. | 1998-04-04T01:10:47.35 | 10.0 | undecidable | manual | PG | 24 | 0.3441 | 0.02 | 1.5 | |
--.ASS.Z. | 1998-04-04T01:10:46.60 | 10.0 | undecidable | manual | SG | 209 | 0.1332 | -0.04 | 0.6 | |
--.SNTG.Z. | 1998-04-04T01:10:46.98 | 10.0 | undecidable | manual | SG | 62 | 0.1554 | -0.21 | 0.1 | |
--.SNTG.Z. | 1998-04-04T01:10:44.40 | 10.0 | positive | manual | PG | 62 | 0.1554 | 0.01 | 3.1 | |
--.ASS.Z. | 1998-04-04T01:10:43.73 | 10.0 | positive | manual | PG | 209 | 0.1332 | 0.02 | 3 |