A magnitude Md 2.4 earthquake occured in region: 4 km E Todi (PG), on
and geographic coordinates (lat, lon) 42.7870, 12.4610 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 |
---|---|---|---|---|
Todi | PG | 4 | 16851 | 16851 |
Massa Martana | PG | 5 | 3770 | 20621 |
Monte Castello di Vibio | PG | 11 | 1567 | 22188 |
Giano dell'Umbria | PG | 11 | 3846 | 26034 |
Fratta Todina | PG | 11 | 1839 | 27873 |
Collazzone | PG | 12 | 3473 | 31346 |
Acquasparta | TR | 13 | 4778 | 36124 |
Avigliano Umbro | TR | 15 | 2558 | 38682 |
Montecastrilli | TR | 15 | 5022 | 43704 |
Gualdo Cattaneo | PG | 16 | 6155 | 49859 |
Marsciano | PG | 17 | 18902 | 68761 |
Castel Ritaldi | PG | 18 | 3278 | 72039 |
San Venanzo | TR | 18 | 2218 | 74257 |
Montecchio | TR | 20 | 1676 | 75933 |
Montefalco | PG | 20 | 5679 | 81612 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4 | 1986-03-20 05:38:25 |
42.787 | 12.461 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 24559 |
Field | Value |
---|---|
Time (UTC) | 1986-03-20 05:38:25 ± 0.277 |
Latitude | 42.7870 ± 0.0174 |
Longitude | 12.4610 ± 0.0812 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 24559 |
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) | 6905.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 193 |
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) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00283 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00712 |
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 | 2.4 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 24559 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:26:27 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1986-03-20T05:38:53.50 | 10.0 | undecidable | manual | SG | 26 | 0.7881 | 0.81 | 0.1 | |
--.MNS.Z. | 1986-03-20T05:38:41.00 | 10.0 | undecidable | manual | SG | 157 | 0.4329 | -0.1 | 0.6 | |
--.ARV.Z. | 1986-03-20T05:38:40.50 | 10.0 | undecidable | manual | PG | 26 | 0.7881 | -0.6 | 0.4 | |
--.PRG.Z. | 1986-03-20T05:38:37.00 | 10.0 | undecidable | manual | SG | 351 | 0.3108 | -0.4 | 0.6 | |
--.MNS.Z. | 1986-03-20T05:38:34.50 | 10.0 | undecidable | manual | PG | 157 | 0.4329 | 0.08 | 1.6 | |
--.PRG.Z. | 1986-03-20T05:38:32.50 | 10.0 | undecidable | manual | PG | 351 | 0.3108 | 0.22 | 2.8 |