A magnitude ML 1.1 earthquake occured in region: 3 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8170, 13.1100 at 11 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 | 3 | 4957 | 4957 |
Preci | PG | 9 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 9 | 281 | 5962 |
Visso | MC | 13 | 1107 | 7069 |
Cascia | PG | 13 | 3217 | 10286 |
Ussita | MC | 14 | 444 | 10730 |
Cerreto di Spoleto | PG | 16 | 1075 | 11805 |
Arquata del Tronto | AP | 16 | 1178 | 12983 |
Sellano | PG | 17 | 1079 | 14062 |
Accumoli | RI | 18 | 667 | 14729 |
Poggiodomo | PG | 18 | 117 | 14846 |
Montegallo | AP | 19 | 523 | 15369 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-11-20 07:06:19 |
42.817 | 13.1103 | 11 | 2021-11-20 07:15:25 |
Sala Sismica INGV-Roma | 97619371 |
Field | Value |
---|---|
Time (UTC) | 2021-11-20 07:06:19 ± 0.05 |
Latitude | 42.8170 ± 0.0027 |
Longitude | 13.1103 ± 0.0061 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 97619371 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 486 |
Semi-minor axis of confidence ellipse (meter) | 287 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 115 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 490.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 131 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.01709 |
Epicentral distance of station farthest from the epicenter (degree) | 0.28329 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.4 |
Num. used stations | 24 |
Type of magnitude | ML |
Reference to an origin | 97619371 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-11-20 07:15:25 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2021-11-20T07:06:30.78 | 0.6 | undecidable | manual | S | 14 | 31.4463 | 50 | 0.08 | 47 |
IV.CESI.HHZ. | 2021-11-20T07:06:29.40 | 0.6 | undecidable | manual | S | 321 | 26.751 | 50 | -0.04 | 48 |
IV.GAVE.EHZ. | 2021-11-20T07:06:28.26 | 0.6 | undecidable | manual | S | 232 | 22.3554 | 50 | -0.03 | 48 |
IV.FDMO.HHZ. | 2021-11-20T07:06:28.74 | 0.6 | undecidable | manual | S | 356 | 24.4533 | 50 | -0.09 | 47 |
IV.LNSS.HHZ. | 2021-11-20T07:06:28.80 | 0.6 | undecidable | manual | S | 194 | 24.4533 | 50 | -0.03 | 48 |
IV.MMO1.EHZ. | 2021-11-20T07:06:27.30 | 0.6 | undecidable | manual | S | 63 | 19.869 | 50 | -0.3 | 46 |
IV.CSP1.EHZ. | 2021-11-20T07:06:26.23 | 1.0 | negative | manual | P | 14 | 31.4463 | 50 | 0.12 | 23 |
IV.MC2.EHZ. | 2021-11-20T07:06:25.85 | 0.6 | undecidable | manual | S | 31 | 12.2766 | 132 | 0.26 | 47 |
IV.FDMO.HHZ. | 2021-11-20T07:06:25.11 | 0.6 | undecidable | manual | P | 356 | 24.4533 | 50 | 0.08 | 48 |
IV.LNSS.HHZ. | 2021-11-20T07:06:25.23 | 0.6 | undecidable | manual | P | 194 | 24.4533 | 50 | 0.2 | 46 |
IV.CESI.HHZ. | 2021-11-20T07:06:25.28 | 0.6 | undecidable | manual | P | 321 | 26.751 | 50 | -0.11 | 47 |
IV.MMO1.EHZ. | 2021-11-20T07:06:24.35 | 0.1 | undecidable | manual | P | 63 | 19.869 | 50 | 0.03 | 97 |
IV.GAVE.EHZ. | 2021-11-20T07:06:24.82 | 1.0 | negative | manual | P | 232 | 22.3554 | 50 | 0.1 | 24 |
IV.MC2.EHZ. | 2021-11-20T07:06:23.46 | 1.0 | undecidable | manual | P | 31 | 12.2766 | 132 | 0.3 | 23 |
IV.NRCA.HHZ. | 2021-11-20T07:06:23.35 | 0.6 | undecidable | manual | S | 10 | 1.8981 | 170 | -0.4 | 46 |
IV.NRCA.HHZ. | 2021-11-20T07:06:22.12 | 0.1 | undecidable | manual | P | 10 | 1.8981 | 170 | 0.02 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.4 | 0.0004265 | 0.06 | AML | other | m | 2021-11-20T07:06:23.48 |
IV.NRCA.HHN. | ML:1.2 | 0.00023938905 | 0.0608 | AML | other | m | 2021-11-20T07:06:23.48 |
IV.MC2.EHN. | ML:1.2 | 0.0001815 | 0.22 | AML | other | m | 2021-11-20T07:06:26.95 |
IV.MC2.EHE. | ML:1.1 | 0.000130225905 | 0.1984 | AML | other | m | 2021-11-20T07:06:27.14 |
IV.MMO1.EHE. | ML:0.8 | 0.00004815172 | 0.2176 | AML | other | m | 2021-11-20T07:06:28.06 |
IV.MMO1.EHN. | ML:0.6 | 0.00003166617 | 0.0992 | AML | other | m | 2021-11-20T07:06:28.27 |
IV.NRCA.HNE. | ML:1.4 | 0.00037845145 | 0.0704 | AML | other | m | 2021-11-20T07:06:23.48 |
IV.NRCA.HNN. | ML:1.2 | 0.00023909205 | 0.0608 | AML | other | m | 2021-11-20T07:06:23.48 |
IV.FDMO.HHE. | ML:0.4 | 0.000014822335999999999 | 0.16 | AML | other | m | 2021-11-20T07:06:29.43 |
IV.FDMO.HHN. | ML:0.2 | 0.000011632084000000001 | 0.0992 | AML | other | m | 2021-11-20T07:06:29.12 |
IV.MMO1.HNE. | ML:2.8 | 0.0053792595 | 0.64 | AML | other | m | 2021-11-20T07:06:31.92 |
IV.MMO1.HNN. | ML:2.8 | 0.0043924335 | 0.72 | AML | other | m | 2021-11-20T07:06:35.42 |
IV.GAVE.HNE. | ML:1.2 | 0.000093339865 | 0.6784 | AML | other | m | 2021-11-20T07:06:37.01 |
IV.GAVE.HNN. | ML:1.5 | 0.0002063887 | 0.8288 | AML | other | m | 2021-11-20T07:06:37.49 |
IV.GAVE.EHE. | ML:0.7 | 0.000030409844999999998 | 0.16 | AML | other | m | 2021-11-20T07:06:29.48 |
IV.GAVE.EHN. | ML:0.7 | 0.000028499133499999998 | 0.1184 | AML | other | m | 2021-11-20T07:06:28.84 |
IV.LNSS.HNE. | ML:1.2 | 0.00009958242 | 0.512 | AML | other | m | 2021-11-20T07:06:35.82 |
IV.LNSS.HNN. | ML:1.4 | 0.00015830349999999997 | 0.7008 | AML | other | m | 2021-11-20T07:06:39.94 |
IV.LNSS.HHE. | ML:0.8 | 0.000033217064999999995 | 0.16 | AML | other | m | 2021-11-20T07:06:29.25 |
IV.LNSS.HHN. | ML:0.7 | 0.000030797785000000004 | 0.1824 | AML | other | m | 2021-11-20T07:06:29.31 |
IV.CESI.HHE. | ML:0.4 | 0.000012875279999999999 | 0.1216 | AML | other | m | 2021-11-20T07:06:29.59 |
IV.CESI.HHN. | ML:0.4 | 0.000016439020999999997 | 0.1216 | AML | other | m | 2021-11-20T07:06:29.75 |
IV.CESI.HNE. | ML:1.4 | 0.0001302949 | 0.8416 | AML | other | m | 2021-11-20T07:06:40.85 |
IV.CESI.HNN. | ML:1.4 | 0.0001352602 | 0.9024 | AML | other | m | 2021-11-20T07:06:38.12 |