A magnitude ML 1.1 earthquake occured in region: 1 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8000, 13.0980 at 10 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 | 1 | 4957 | 4957 |
Preci | PG | 10 | 724 | 5681 |
Cascia | PG | 11 | 3217 | 8898 |
Castelsantangelo sul Nera | MC | 12 | 281 | 9179 |
Visso | MC | 15 | 1107 | 10286 |
Cerreto di Spoleto | PG | 15 | 1075 | 11361 |
Ussita | MC | 16 | 444 | 11805 |
Poggiodomo | PG | 17 | 117 | 11922 |
Arquata del Tronto | AP | 17 | 1178 | 13100 |
Accumoli | RI | 17 | 667 | 13767 |
Sellano | PG | 17 | 1079 | 14846 |
Vallo di Nera | PG | 20 | 364 | 15210 |
Montegallo | AP | 20 | 523 | 15733 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2020-12-24 05:56:34 |
42.8003 | 13.0985 | 10 | 2020-12-24 06:08:22 |
Sala Sismica INGV-Roma | 85670271 |
Field | Value |
---|---|
Time (UTC) | 2020-12-24 05:56:34 ± 0.11 |
Latitude | 42.8003 ± 0.0054 |
Longitude | 13.0985 ± 0.0098 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 85670271 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 930 |
Semi-minor axis of confidence ellipse (meter) | 228 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 127 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 930.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 133 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.03507 |
Epicentral distance of station farthest from the epicenter (degree) | 0.23652 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 85670271 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-24 06:08:22 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LNSS.HHE. | 2020-12-24T05:56:43.20 | 0.6 | undecidable | manual | S | 192 | 22.4553 | 115 | 0.05 | 50 |
IV.FDMO.HHZ. | 2020-12-24T05:56:43.99 | 0.6 | undecidable | manual | S | 358 | 26.2515 | 50 | -0.19 | 48 |
IV.MMO1.EHZ. | 2020-12-24T05:56:42.61 | 0.3 | undecidable | manual | S | 59 | 21.5673 | 116 | -0.28 | 72 |
IV.GAVE.EHZ. | 2020-12-24T05:56:42.21 | 0.3 | undecidable | manual | S | 234 | 20.5683 | 117 | -0.35 | 71 |
IV.MC2.EHZ. | 2020-12-24T05:56:40.96 | 0.6 | undecidable | manual | S | 31 | 14.3745 | 126 | 0.23 | 49 |
IV.FDMO.HHZ. | 2020-12-24T05:56:40.27 | 0.6 | positive | manual | P | 358 | 26.2515 | 50 | 0.14 | 49 |
IV.GAVE.EHZ. | 2020-12-24T05:56:39.53 | 0.6 | positive | manual | P | 234 | 20.5683 | 117 | 0.34 | 47 |
IV.LNSS.HHE. | 2020-12-24T05:56:39.60 | 0.1 | undecidable | manual | P | 192 | 22.4553 | 115 | 0.07 | 100 |
IV.MMO1.EHZ. | 2020-12-24T05:56:39.24 | 1.0 | negative | manual | P | 59 | 21.5673 | 116 | -0.14 | 25 |
IV.MC2.EHZ. | 2020-12-24T05:56:38.50 | 1.0 | undecidable | manual | P | 31 | 14.3745 | 126 | 0.37 | 24 |
IV.NRCA.HHZ. | 2020-12-24T05:56:38.34 | 0.6 | undecidable | manual | S | 19 | 3.8961 | 159 | -0.09 | 51 |
IV.NRCA.HHZ. | 2020-12-24T05:56:37.00 | 0.6 | undecidable | manual | P | 19 | 3.8961 | 159 | 0.19 | 50 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.3 | 0.0003275 | 0.16 | AML | other | m | 2020-12-24T05:56:38.51 |
IV.NRCA.HNE. | ML:1.3 | 0.000322 | 0.16 | AML | other | m | 2020-12-24T05:56:38.43 |
IV.NRCA.HHN. | ML:1.1 | 0.0001955 | 0.1 | AML | other | m | 2020-12-24T05:56:39.62 |
IV.NRCA.HNN. | ML:1.3 | 0.000325 | 0.76 | AML | other | m | 2020-12-24T05:56:40.62 |
IV.FDMO.HHN. | ML:0.6 | 0.00001996 | 1.08 | AML | other | m | 2020-12-24T05:56:44.33 |
IV.FDMO.HHE. | ML:0.6 | 0.000022245 | 0.46 | AML | other | m | 2020-12-24T05:56:45.79 |