A magnitude Md 2.1 earthquake occured in region: 4 km E Cerreto di Spoleto (PG), on
and geographic coordinates (lat, lon) 42.8330, 12.9680 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 |
---|---|---|---|---|
Cerreto di Spoleto | PG | 4 | 1075 | 1075 |
Sellano | PG | 7 | 1079 | 2154 |
Preci | PG | 8 | 724 | 2878 |
Vallo di Nera | PG | 11 | 364 | 3242 |
Norcia | PG | 11 | 4957 | 8199 |
Cascia | PG | 13 | 3217 | 11416 |
Poggiodomo | PG | 14 | 117 | 11533 |
Visso | MC | 15 | 1107 | 12640 |
Sant'Anatolia di Narco | PG | 15 | 564 | 13204 |
Campello sul Clitunno | PG | 16 | 2442 | 15646 |
Castelsantangelo sul Nera | MC | 17 | 281 | 15927 |
Scheggino | PG | 17 | 461 | 16388 |
Monte Cavallo | MC | 18 | 145 | 16533 |
Trevi | PG | 19 | 8469 | 25002 |
Ussita | MC | 19 | 444 | 25446 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1986-01-17 02:13:44 |
42.833 | 12.968 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 20769 |
Field | Value |
---|---|
Time (UTC) | 1986-01-17 02:13:44 ± 0.617 |
Latitude | 42.8330 ± 0.0280 |
Longitude | 12.9680 ± 0.0883 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 20769 |
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) | 7847.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 147 |
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) | 1.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.00291 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00591 |
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 | 2.1 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 20769 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:23:16 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1986-01-17T02:14:08.50 | 10.0 | undecidable | manual | SG | 358 | 0.6549 | 0.32 | 0.7 | |
--.MNS.Z. | 1986-01-17T02:14:03.00 | 10.0 | undecidable | manual | SG | 205 | 0.4995 | 0.27 | 0.8 | |
--.AQU.Z. | 1986-01-17T02:13:58.00 | 10.0 | undecidable | manual | PG | 145 | 0.5772 | 1.32 | 1.4 | |
--.ARV.Z. | 1986-01-17T02:13:56.50 | 10.0 | undecidable | manual | PG | 358 | 0.6549 | -1.84 | 0.9 | |
--.ASS.Z. | 1986-01-17T02:13:54.00 | 10.0 | undecidable | manual | PG | 314 | 0.3219 | 1.96 | 1 | |
--.MNS.Z. | 1986-01-17T02:13:53.50 | 10.0 | undecidable | manual | PG | 205 | 0.4995 | -1.69 | 1.2 |