A magnitude ML 0.4 earthquake occured in region: 3 km SW Norcia (PG), on
and geographic coordinates (lat, lon) 42.7680, 13.0740 at 6 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 | 7 | 3217 | 8174 |
Preci | PG | 13 | 724 | 8898 |
Poggiodomo | PG | 13 | 117 | 9015 |
Cerreto di Spoleto | PG | 14 | 1075 | 10090 |
Castelsantangelo sul Nera | MC | 16 | 281 | 10371 |
Monteleone di Spoleto | PG | 16 | 599 | 10970 |
Accumoli | RI | 16 | 667 | 11637 |
Vallo di Nera | PG | 17 | 364 | 12001 |
Sellano | PG | 18 | 1079 | 13080 |
Cittareale | RI | 18 | 482 | 13562 |
Visso | MC | 18 | 1107 | 14669 |
Arquata del Tronto | AP | 18 | 1178 | 15847 |
Sant'Anatolia di Narco | PG | 20 | 564 | 16411 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.6
ML 0.4 |
2011-09-26 01:32:33 |
42.768 | 13.074 | 6 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 1290799 |
Field | Value |
---|---|
Time (UTC) | 2011-09-26 01:32:33 ± 0.17 |
Latitude | 42.7680 ± 0.0027 |
Longitude | 13.0740 ± 0.0061 |
Depth (km) | 6 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 1290799 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 425 |
Semi-minor axis of confidence ellipse (meter) | 323 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 95 |
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) | 195 |
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) | 0.12 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.23652 |
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 | 1290799 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-06 01:33:44 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | 0.1 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 1290799 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-06 01:33:44 |
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. | 2011-09-26T01:32:42.31 | 0.3 | undecidable | manual | Sg | 126 | 26.2515 | -0.051 | 72 | |
IV.LNSS.HHN. | 2011-09-26T01:32:39.86 | 0.3 | undecidable | manual | Sg | 189 | 18.5703 | 0.063 | 73 | |
IV.SMA1.EHN. | 2011-09-26T01:32:38.51 | 0.3 | undecidable | manual | Pg | 126 | 26.2515 | 0.089 | 72 | |
IV.LNSS.HHN. | 2011-09-26T01:32:36.83 | 0.3 | undecidable | manual | Pg | 189 | 18.5703 | -0.111 | 72 | |
IV.NRCA.HHZ. | 2011-09-26T01:32:36.45 | 0.1 | undecidable | manual | Sg | 24 | 7.881 | -0.009 | 100 | |
IV.NRCA.HHZ. | 2011-09-26T01:32:35.03 | 0.1 | undecidable | manual | Pg | 24 | 7.881 | 0.016 | 100 |