A magnitude ML 1.1 earthquake occured in region: 7 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8070, 13.1750 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 | 7 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5238 |
Arquata del Tronto | AP | 11 | 1178 | 6416 |
Preci | PG | 14 | 724 | 7140 |
Montegallo | AP | 14 | 523 | 7663 |
Accumoli | RI | 14 | 667 | 8330 |
Visso | MC | 16 | 1107 | 9437 |
Ussita | MC | 16 | 444 | 9881 |
Montemonaco | AP | 16 | 604 | 10485 |
Cascia | PG | 16 | 3217 | 13702 |
Acquasanta Terme | AP | 20 | 2916 | 16618 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-11-20 15:15:18 |
42.8072 | 13.1748 | 10 | 2021-11-20 15:20:09 |
Sala Sismica INGV-Roma | 97630831 |
Field | Value |
---|---|
Time (UTC) | 2021-11-20 15:15:18 ± 0.06 |
Latitude | 42.8072 ± 0.0036 |
Longitude | 13.1748 ± 0.0049 |
Depth (km) | 10 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 97630831 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 459 |
Semi-minor axis of confidence ellipse (meter) | 252 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 235 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 460.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 60 |
Number of associated phases, regardless of their use for origin computation | 33 |
Number of defining phases | 32 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.23 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.52430 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 16 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 20 |
Type of magnitude | ML |
Reference to an origin | 97630831 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-11-20 15:20:09 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LRP.EHZ. | 2021-11-20T15:15:58.30 | 3.0 | undecidable | manual | S | 0.09 | 0 | |||
IV.EL6.EHZ. | 2021-11-20T15:15:37.23 | 0.6 | undecidable | manual | S | 354 | 58.1973 | 50 | 0.68 | 41 |
IV.MML1.EHZ. | 2021-11-20T15:15:31.08 | 0.6 | undecidable | manual | S | 334 | 37.7289 | 50 | -0.01 | 50 |
IV.TERO.HHZ. | 2021-11-20T15:15:31.92 | 0.6 | undecidable | manual | S | 120 | 40.5261 | 50 | 0.1 | 49 |
IV.CSP1.EHZ. | 2021-11-20T15:15:29.26 | 0.6 | undecidable | manual | S | 4 | 31.6461 | 50 | -0.2 | 49 |
IV.MF5.EHZ. | 2021-11-20T15:15:29.50 | 0.6 | undecidable | manual | S | 49 | 30.6471 | 50 | 0.32 | 48 |
IV.EL6.EHZ. | 2021-11-20T15:15:29.46 | 0.1 | undecidable | manual | P | 354 | 58.1973 | 50 | 0.61 | 84 |
IV.CESI.HHZ. | 2021-11-20T15:15:29.17 | 0.6 | undecidable | manual | S | 315 | 31.0467 | 50 | -0.12 | 50 |
IV.LNSS.HHZ. | 2021-11-20T15:15:28.09 | 0.6 | undecidable | manual | S | 206 | 25.1526 | 50 | 0.36 | 48 |
IV.GAVE.EHZ. | 2021-11-20T15:15:27.96 | 0.6 | undecidable | manual | S | 241 | 26.1516 | 50 | -0.04 | 51 |
IT.MTCL.HGZ. | 2021-11-20T15:15:27.03 | 0.6 | undecidable | manual | S | 326 | 25.1526 | 50 | -0.69 | 43 |
IV.FDMO.HHZ. | 2021-11-20T15:15:27.56 | 0.6 | undecidable | manual | S | 344 | 26.4513 | 50 | -0.5 | 46 |
IV.FEMA.HNZ. | 2021-11-20T15:15:26.24 | 0.6 | undecidable | manual | S | 329 | 19.9689 | 117 | 0.14 | 50 |
IV.TERO.HHZ. | 2021-11-20T15:15:26.01 | 0.3 | undecidable | manual | P | 120 | 40.5261 | 50 | -0.11 | 73 |
IV.SMA1.EHZ. | 2021-11-20T15:15:26.79 | 0.6 | undecidable | manual | S | 146 | 23.5542 | 113 | -0.44 | 47 |
IV.MML1.EHZ. | 2021-11-20T15:15:25.49 | 1.0 | negative | manual | P | 334 | 37.7289 | 50 | -0.21 | 24 |
IV.MTRA.EHZ. | 2021-11-20T15:15:25.74 | 0.6 | undecidable | manual | S | 107 | 18.87 | 118 | -0.03 | 52 |
IT.MTCL.HGZ. | 2021-11-20T15:15:24.18 | 0.3 | negative | manual | P | 326 | 25.1526 | 50 | 0.42 | 71 |
IV.MMO1.EHZ. | 2021-11-20T15:15:24.72 | 0.6 | undecidable | manual | S | 50 | 16.0728 | 122 | -0.19 | 50 |
IV.CESI.HHZ. | 2021-11-20T15:15:24.49 | 0.1 | positive | manual | P | 315 | 31.0467 | 50 | -0.17 | 98 |
IV.CSP1.EHZ. | 2021-11-20T15:15:24.56 | 0.6 | negative | manual | P | 4 | 31.6461 | 50 | -0.2 | 49 |
IV.MF5.EHZ. | 2021-11-20T15:15:24.80 | 1.0 | negative | manual | P | 49 | 30.6471 | 50 | 0.2 | 25 |
IV.MC2.EHZ. | 2021-11-20T15:15:24.05 | 0.6 | undecidable | manual | S | 6 | 11.5773 | 131 | 0.37 | 49 |
IV.SMA1.EHZ. | 2021-11-20T15:15:23.42 | 1.0 | undecidable | manual | P | 146 | 23.5542 | 113 | -0.05 | 26 |
IV.FDMO.HHZ. | 2021-11-20T15:15:23.60 | 0.3 | undecidable | manual | P | 344 | 26.4513 | 50 | -0.35 | 71 |
IV.GAVE.EHZ. | 2021-11-20T15:15:23.95 | 1.0 | negative | manual | P | 241 | 26.1516 | 50 | 0.03 | 25 |
IV.LNSS.HHZ. | 2021-11-20T15:15:23.96 | 0.6 | negative | manual | P | 206 | 25.1526 | 50 | 0.2 | 49 |
IV.FEMA.HNZ. | 2021-11-20T15:15:22.63 | 0.1 | undecidable | manual | P | 329 | 19.9689 | 117 | -0.19 | 100 |
IV.MMO1.EHZ. | 2021-11-20T15:15:22.06 | 0.3 | positive | manual | P | 50 | 16.0728 | 122 | -0.07 | 77 |
IV.NRCA.HNZ. | 2021-11-20T15:15:22.27 | 0.6 | undecidable | manual | S | 301 | 5.6943 | 150 | -0.1 | 52 |
IV.MTRA.EHZ. | 2021-11-20T15:15:22.54 | 0.3 | undecidable | manual | P | 107 | 18.87 | 118 | -0.09 | 77 |
IV.MC2.EHZ. | 2021-11-20T15:15:21.58 | 0.6 | undecidable | manual | P | 6 | 11.5773 | 131 | 0.16 | 51 |
IV.NRCA.HNZ. | 2021-11-20T15:15:20.85 | 0.3 | positive | manual | P | 301 | 5.6943 | 150 | 0.19 | 76 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:2.0 | 0.001515 | 0.16 | AML | other | m | 2021-11-20T15:15:22.40 |
IV.NRCA.HHN. | ML:1.9 | 0.001185 | 0.12 | AML | other | m | 2021-11-20T15:15:22.39 |
IV.MC2.EHN. | ML:1.3 | 0.000251 | 0.18 | AML | other | m | 2021-11-20T15:15:24.40 |
IV.MC2.EHE. | ML:1.1 | 0.00016065 | 1 | AML | other | m | 2021-11-20T15:15:24.33 |
IV.MMO1.EHE. | ML:1.0 | 0.00008595 | 1.08 | AML | other | m | 2021-11-20T15:15:24.30 |
IV.MTRA.EHE. | ML:1.2 | 0.0001275 | 1.58 | AML | other | m | 2021-11-20T15:15:25.82 |
IV.MMO1.EHN. | ML:1.0 | 0.00007994999999999999 | 0.46 | AML | other | m | 2021-11-20T15:15:26.28 |
IV.MTRA.EHN. | ML:1.1 | 0.00010200000000000001 | 0.18 | AML | other | m | 2021-11-20T15:15:26.63 |
IV.FDMO.HHN. | ML:0.8 | 0.000037 | 0.38 | AML | other | m | 2021-11-20T15:15:27.80 |
IV.FDMO.HHE. | ML:0.8 | 0.00003315 | 1.2 | AML | other | m | 2021-11-20T15:15:27.04 |
IV.SMA1.EHE. | ML:0.9 | 0.0000448 | 1.4 | AML | other | m | 2021-11-20T15:15:27.15 |
IV.LNSS.HHE. | ML:0.8 | 0.000041800000000000006 | 0.58 | AML | other | m | 2021-11-20T15:15:27.92 |
IV.SMA1.EHN. | ML:0.8 | 0.00003895 | 0.28 | AML | other | m | 2021-11-20T15:15:28.13 |
IV.LNSS.HHN. | ML:1.0 | 0.0000537 | 1.46 | AML | other | m | 2021-11-20T15:15:28.18 |
IV.GAVE.EHN. | ML:1.1 | 0.0000759 | 0.28 | AML | other | m | 2021-11-20T15:15:28.52 |
IV.CESI.HHE. | ML:1.1 | 0.000059800000000000003 | 0.2 | AML | other | m | 2021-11-20T15:15:29.42 |
IV.CESI.HHN. | ML:1.3 | 0.00009255 | 0.32 | AML | other | m | 2021-11-20T15:15:29.51 |
IV.GAVE.EHE. | ML:1.1 | 0.00007475000000000001 | 0.22 | AML | other | m | 2021-11-20T15:15:29.61 |
IV.MML1.EHN. | ML:1.0 | 0.0000356 | 0.16 | AML | other | m | 2021-11-20T15:15:31.53 |
IV.MML1.EHE. | ML:1.0 | 0.00003725 | 1 | AML | other | m | 2021-11-20T15:15:31.53 |