A magnitude Md 2.1 earthquake occured in region: 2 km N Vallo di Nera (PG), on
and geographic coordinates (lat, lon) 42.7840, 12.8640 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 |
---|---|---|---|---|
Vallo di Nera | PG | 2 | 364 | 364 |
Cerreto di Spoleto | PG | 6 | 1075 | 1439 |
Sant'Anatolia di Narco | PG | 6 | 564 | 2003 |
Campello sul Clitunno | PG | 8 | 2442 | 4445 |
Scheggino | PG | 8 | 461 | 4906 |
Poggiodomo | PG | 10 | 117 | 5023 |
Spoleto | PG | 12 | 38218 | 43241 |
Sellano | PG | 13 | 1079 | 44320 |
Trevi | PG | 14 | 8469 | 52789 |
Cascia | PG | 14 | 3217 | 56006 |
Castel Ritaldi | PG | 16 | 3278 | 59284 |
Monteleone di Spoleto | PG | 16 | 599 | 59883 |
Preci | PG | 18 | 724 | 60607 |
Norcia | PG | 19 | 4957 | 65564 |
Ferentillo | TR | 19 | 1913 | 67477 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1999-06-16 21:37:33 |
42.784 | 12.864 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 368939 |
Field | Value |
---|---|
Time (UTC) | 1999-06-16 21:37:33 ± 0.088 |
Latitude | 42.7840 ± 0.0048 |
Longitude | 12.8640 ± 0.0062 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 368939 |
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) | 732.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 132 |
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) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00162 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00421 |
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 | 4 |
Type of magnitude | Md |
Reference to an origin | 368939 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:46:09 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SNTG.Z. | 1999-06-16T21:37:50.56 | 10.0 | undecidable | manual | SG | 6 | 0.4662 | 0.05 | 0.7 | |
--.MNS.Z. | 1999-06-16T21:37:48.43 | 10.0 | undecidable | manual | SG | 198 | 0.4107 | -0.41 | 0 | |
--.ASS.Z. | 1999-06-16T21:37:45.49 | 10.0 | undecidable | manual | SG | 331 | 0.3108 | -0.04 | 0.8 | |
--.SNTG.Z. | 1999-06-16T21:37:43.10 | 10.0 | undecidable | manual | PG | 6 | 0.4662 | -0.18 | 1 | |
--.MNS.Z. | 1999-06-16T21:37:42.52 | 10.0 | undecidable | manual | PG | 198 | 0.4107 | 0.2 | 0.9 | |
--.NRCA.Z. | 1999-06-16T21:37:41.33 | 10.0 | undecidable | manual | SG | 75 | 0.1776 | -0.05 | 0.8 | |
--.ASS.Z. | 1999-06-16T21:37:40.50 | 10.0 | undecidable | manual | PG | 331 | 0.3108 | 0.09 | 1.8 | |
--.NRCA.Z. | 1999-06-16T21:37:38.60 | 10.0 | undecidable | manual | PG | 75 | 0.1776 | 0.05 | 2 |