A magnitude Md 2.0 earthquake occured in region: 3 km W Cerreto di Spoleto (PG), on
and geographic coordinates (lat, lon) 42.8160, 12.8770 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 | 3 | 1075 | 1075 |
Vallo di Nera | PG | 5 | 364 | 1439 |
Campello sul Clitunno | PG | 8 | 2442 | 3881 |
Sellano | PG | 9 | 1079 | 4960 |
Sant'Anatolia di Narco | PG | 10 | 564 | 5524 |
Scheggino | PG | 12 | 461 | 5985 |
Poggiodomo | PG | 13 | 117 | 6102 |
Trevi | PG | 13 | 8469 | 14571 |
Spoleto | PG | 14 | 38218 | 52789 |
Preci | PG | 15 | 724 | 53513 |
Cascia | PG | 16 | 3217 | 56730 |
Castel Ritaldi | PG | 17 | 3278 | 60008 |
Norcia | PG | 18 | 4957 | 64965 |
Monteleone di Spoleto | PG | 19 | 599 | 65564 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.0 | 1999-10-31 08:19:00 |
42.816 | 12.877 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 376399 |
Field | Value |
---|---|
Time (UTC) | 1999-10-31 08:19:00 ± 0.354 |
Latitude | 42.8160 ± 0.0214 |
Longitude | 12.8770 ± 0.0246 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 376399 |
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) | 3117.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 127 |
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) | 0.00154 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00405 |
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 | 2.0 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 376399 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:53:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1999-10-31T08:19:17.65 | 10.0 | undecidable | manual | SG | 198 | 0.444 | 0.85 | 0.1 | |
--.SNTG.Z. | 1999-10-31T08:19:15.90 | 10.0 | undecidable | manual | SG | 6 | 0.4329 | -0.44 | 0.4 | |
--.ASS.Z. | 1999-10-31T08:19:12.30 | 10.0 | undecidable | manual | SG | 326 | 0.2886 | 0.34 | 0.6 | |
--.SNTG.Z. | 1999-10-31T08:19:09.18 | 10.0 | undecidable | manual | PG | 6 | 0.4329 | -0.37 | 1.3 | |
--.MNS.Z. | 1999-10-31T08:19:08.56 | 10.0 | undecidable | manual | PG | 198 | 0.444 | -1.26 | 0.3 | |
--.NRCA.Z. | 1999-10-31T08:19:07.90 | 10.0 | undecidable | manual | SG | 84 | 0.1665 | -0.69 | 0.4 | |
--.ASS.Z. | 1999-10-31T08:19:07.00 | 10.0 | undecidable | manual | PG | 326 | 0.2886 | 0.13 | 1.8 | |
--.NRCA.Z. | 1999-10-31T08:19:04.90 | 10.0 | negative | manual | PG | 84 | 0.1665 | 0.29 | 3 |