A magnitude Md 2.3 earthquake occured in region: 9 km SE Norcia (PG), on
and geographic coordinates (lat, lon) 42.7220, 13.1380 at 11 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 | 9 | 4957 | 4957 |
Accumoli | RI | 10 | 667 | 5624 |
Cascia | PG | 10 | 3217 | 8841 |
Cittareale | RI | 12 | 482 | 9323 |
Arquata del Tronto | AP | 14 | 1178 | 10501 |
Amatrice | RI | 16 | 2657 | 13158 |
Poggiodomo | PG | 17 | 117 | 13275 |
Monteleone di Spoleto | PG | 17 | 599 | 13874 |
Castelsantangelo sul Nera | MC | 19 | 281 | 14155 |
Preci | PG | 19 | 724 | 14879 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1999-02-27 19:18:38 |
42.722 | 13.138 | 11 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 360329 |
Field | Value |
---|---|
Time (UTC) | 1999-02-27 19:18:38 ± 0.59 |
Latitude | 42.7220 ± 0.0178 |
Longitude | 13.1380 ± 0.0589 |
Depth (km) | 11 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 360329 |
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) | 5200.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 234 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
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) | 0.00097 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00899 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 360329 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:37:53 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.FB9.Z. | 1999-02-27T19:19:13.19 | 10.0 | undecidable | manual | SN | 344 | 0.999 | 0.29 | 0.4 | |
--.FB9.Z. | 1999-02-27T19:18:59.78 | 10.0 | undecidable | manual | PN | 344 | 0.999 | 1.3 | 0.2 | |
--.SNTG.Z. | 1999-02-27T19:18:57.68 | 10.0 | undecidable | manual | SG | 344 | 0.5439 | -0.69 | 0.5 | |
--.ASS.Z. | 1999-02-27T19:18:57.19 | 10.0 | undecidable | manual | SG | 313 | 0.4884 | 0.71 | 0.4 | |
--.MNS.Z. | 1999-02-27T19:18:55.84 | 10.0 | undecidable | manual | SG | 225 | 0.4662 | -0.13 | 0.7 | |
--.SNTG.Z. | 1999-02-27T19:18:48.65 | 10.0 | undecidable | manual | PG | 344 | 0.5439 | -1.44 | 0.3 | |
--.ASS.Z. | 1999-02-27T19:18:48.85 | 10.0 | undecidable | manual | PG | 313 | 0.4884 | -0.14 | 1.7 | |
--.MNS.Z. | 1999-02-27T19:18:48.66 | 10.0 | undecidable | manual | PG | 225 | 0.4662 | -0.05 | 1.7 | |
--.NRCA.Z. | 1999-02-27T19:18:44.59 | 10.0 | undecidable | manual | SG | 350 | 0.111 | 0.13 | 0.6 | |
--.NRCA.Z. | 1999-02-27T19:18:42.10 | 10.0 | negative | manual | PG | 350 | 0.111 | 0.05 | 3.4 |