A magnitude Md 2.1 earthquake occured in region: 7 km W Norcia (PG), on
and geographic coordinates (lat, lon) 42.7900, 13.0080 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 |
---|---|---|---|---|
Norcia | PG | 7 | 4957 | 4957 |
Cascia | PG | 8 | 3217 | 8174 |
Cerreto di Spoleto | PG | 8 | 1075 | 9249 |
Preci | PG | 10 | 724 | 9973 |
Poggiodomo | PG | 10 | 117 | 10090 |
Vallo di Nera | PG | 12 | 364 | 10454 |
Sellano | PG | 13 | 1079 | 11533 |
Sant'Anatolia di Narco | PG | 15 | 564 | 12097 |
Monteleone di Spoleto | PG | 16 | 599 | 12696 |
Scheggino | PG | 17 | 461 | 13157 |
Castelsantangelo sul Nera | MC | 17 | 281 | 13438 |
Visso | MC | 17 | 1107 | 14545 |
Campello sul Clitunno | PG | 19 | 2442 | 16987 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1988-07-14 23:21:39 |
42.79 | 13.008 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 73449 |
Field | Value |
---|---|
Time (UTC) | 1988-07-14 23:21:39 ± 0.058 |
Latitude | 42.7900 ± 0.0035 |
Longitude | 13.0080 ± 0.0102 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 73449 |
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) | 920.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 197 |
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) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00332 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00421 |
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 | 2.1 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 73449 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:09:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1988-07-14T23:21:56.51 | 10.0 | undecidable | manual | SG | 210 | 0.4662 | -0.02 | 0.5 | |
--.CM8.Z. | 1988-07-14T23:21:54.81 | 10.0 | undecidable | manual | SG | 13 | 0.4107 | 0.06 | 0.7 | |
--.ASS.Z. | 1988-07-14T23:21:53.29 | 10.0 | undecidable | manual | SG | 316 | 0.3663 | -0.19 | 0.1 | |
--.MNS.Z. | 1988-07-14T23:21:49.31 | 10.0 | undecidable | manual | PG | 210 | 0.4662 | -0.01 | 1.4 | |
--.CM8.Z. | 1988-07-14T23:21:48.25 | 10.0 | positive | manual | PG | 13 | 0.4107 | -0.05 | 2.7 | |
--.ASS.Z. | 1988-07-14T23:21:47.70 | 10.0 | undecidable | manual | PG | 316 | 0.3663 | 0.14 | 0.6 |