A magnitude ML 0.7 earthquake occured in region: 4 km SE Norcia (PG), on
and geographic coordinates (lat, lon) 42.7550, 13.1110 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 | 5 | 4957 | 4957 |
Cascia | PG | 9 | 3217 | 8174 |
Accumoli | RI | 13 | 667 | 8841 |
Preci | PG | 15 | 724 | 9565 |
Poggiodomo | PG | 15 | 117 | 9682 |
Arquata del Tronto | AP | 15 | 1178 | 10860 |
Cittareale | RI | 16 | 482 | 11342 |
Castelsantangelo sul Nera | MC | 16 | 281 | 11623 |
Monteleone di Spoleto | PG | 17 | 599 | 12222 |
Cerreto di Spoleto | PG | 17 | 1075 | 13297 |
Visso | MC | 20 | 1107 | 14404 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.5
ML 0.7 |
2011-01-01 20:57:41 |
42.755 | 13.111 | 8 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 1156339 |
Field | Value |
---|---|
Time (UTC) | 2011-01-01 20:57:41 ± 0.17 |
Latitude | 42.7550 ± 0.0027 |
Longitude | 13.1110 ± 0.0049 |
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 | 1156339 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 332 |
Semi-minor axis of confidence ellipse (meter) | 248 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 85 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 500.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 163 |
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) | 0.20684 |
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 | 0.7 |
Uncertainty | 0.1 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 1156339 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 22:30:19 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.1 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 1156339 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 22:30:19 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CMPO.HHN. | 2011-01-01T20:57:56.34 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.SMA1.EHE. | 2011-01-01T20:57:49.90 | 0.1 | undecidable | manual | Sg | 127 | 22.9548 | -0.053 | 97 | |
IV.LNSS.HHN. | 2011-01-01T20:57:48.34 | 0.1 | undecidable | manual | Sg | 199 | 17.7711 | 0.055 | 97 | |
IV.SMA1.EHE. | 2011-01-01T20:57:46.50 | 0.1 | undecidable | manual | Pg | 127 | 22.9548 | 0.101 | 96 | |
IV.NRCA.HHZ. | 2011-01-01T20:57:45.62 | 0.1 | undecidable | manual | Sg | 2 | 8.7801 | 0.006 | 100 | |
IV.LNSS.HHN. | 2011-01-01T20:57:45.35 | 0.1 | undecidable | manual | Pg | 199 | 17.7711 | -0.088 | 97 | |
IV.NRCA.HHZ. | 2011-01-01T20:57:43.89 | 0.1 | undecidable | manual | Pg | 2 | 8.7801 | -0.003 | 100 |