A magnitude ML 0.4 earthquake occured in region: 3 km SW Norcia (PG), on
and geographic coordinates (lat, lon) 42.7720, 13.0710 at 8 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 | 3 | 4957 | 4957 |
Cascia | PG | 8 | 3217 | 8174 |
Preci | PG | 12 | 724 | 8898 |
Poggiodomo | PG | 13 | 117 | 9015 |
Cerreto di Spoleto | PG | 14 | 1075 | 10090 |
Castelsantangelo sul Nera | MC | 15 | 281 | 10371 |
Monteleone di Spoleto | PG | 17 | 599 | 10970 |
Accumoli | RI | 17 | 667 | 11637 |
Vallo di Nera | PG | 17 | 364 | 12001 |
Sellano | PG | 18 | 1079 | 13080 |
Visso | MC | 18 | 1107 | 14187 |
Arquata del Tronto | AP | 19 | 1178 | 15365 |
Cittareale | RI | 19 | 482 | 15847 |
Sant'Anatolia di Narco | PG | 20 | 564 | 16411 |
Ussita | MC | 20 | 444 | 16855 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.3
ML 0.4 |
2011-09-26 01:32:20 |
42.772 | 13.071 | 8 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 1290789 |
Field | Value |
---|---|
Time (UTC) | 2011-09-26 01:32:20 ± 0.18 |
Latitude | 42.7720 ± 0.0027 |
Longitude | 13.0710 ± 0.0061 |
Depth (km) | 8 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 1290789 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 421 |
Semi-minor axis of confidence ellipse (meter) | 338 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 97 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 583.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 199 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.11 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.24012 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.2 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 1290789 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-06 01:33:43 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.0 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 1290789 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-06 01:33:43 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.T0104.HHN. | 2011-09-26T01:32:44.22 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.SMA1.EHN. | 2011-09-26T01:32:30.01 | 0.3 | undecidable | manual | Sg | 126 | 26.6511 | 0.045 | 73 | |
IV.LNSS.HHN. | 2011-09-26T01:32:27.45 | 0.1 | undecidable | manual | Sg | 188 | 18.9699 | 0.016 | 99 | |
IV.SMA1.EHN. | 2011-09-26T01:32:25.82 | 0.3 | undecidable | manual | Pg | 126 | 26.6511 | -0.079 | 72 | |
IV.LNSS.HHN. | 2011-09-26T01:32:24.40 | 0.3 | undecidable | manual | Pg | 188 | 18.9699 | -0.038 | 74 | |
IV.NRCA.HHZ. | 2011-09-26T01:32:24.02 | 0.1 | undecidable | manual | Sg | 27 | 7.5813 | -0.049 | 100 | |
IV.NRCA.HHZ. | 2011-09-26T01:32:22.61 | 0.3 | undecidable | manual | Pg | 27 | 7.5813 | 0.115 | 74 |