A magnitude ML 1.0 earthquake occured in region: 3 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7870, 13.1310 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 | 3 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 12 | 281 | 5238 |
Cascia | PG | 12 | 3217 | 8455 |
Preci | PG | 13 | 724 | 9179 |
Arquata del Tronto | AP | 14 | 1178 | 10357 |
Accumoli | RI | 14 | 667 | 11024 |
Visso | MC | 17 | 1107 | 12131 |
Ussita | MC | 18 | 444 | 12575 |
Montegallo | AP | 18 | 523 | 13098 |
Cerreto di Spoleto | PG | 18 | 1075 | 14173 |
Poggiodomo | PG | 18 | 117 | 14290 |
Cittareale | RI | 19 | 482 | 14772 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2020-12-01 06:20:45 |
42.787 | 13.1312 | 10 | 2020-12-01 06:33:21 |
Sala Sismica INGV-Roma | 85121501 |
Field | Value |
---|---|
Time (UTC) | 2020-12-01 06:20:45 ± 0.07 |
Latitude | 42.7870 ± 0.0036 |
Longitude | 13.1312 ± 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 | 85121501 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 457 |
Semi-minor axis of confidence ellipse (meter) | 295 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 241 |
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) | 123 |
Number of associated phases, regardless of their use for origin computation | 26 |
Number of defining phases | 26 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.24 |
Epicentral distance of station closest to the epicenter (degree) | 0.04856 |
Epicentral distance of station farthest from the epicenter (degree) | 0.54229 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 14 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.4 |
Num. used stations | 15 |
Type of magnitude | ML |
Reference to an origin | 85121501 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-01 06:33:21 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.EL6.EHZ. | 2020-12-01T06:21:04.78 | 0.1 | undecidable | manual | S | 358 | 60.1953 | 50 | 0.28 | 88 |
IV.MF5.EHZ. | 2020-12-01T06:20:58.24 | 0.1 | undecidable | manual | S | 50 | 34.743 | 50 | 0.53 | 87 |
IV.CSP1.EHZ. | 2020-12-01T06:20:57.58 | 0.1 | undecidable | manual | S | 10 | 34.3434 | 50 | -0.01 | 98 |
IV.EL6.EHZ. | 2020-12-01T06:20:56.46 | 1.0 | positive | manual | P | 358 | 60.1953 | 50 | -0.08 | 23 |
IV.CESI.HHZ. | 2020-12-01T06:20:56.23 | 0.1 | undecidable | manual | S | 323 | 30.3474 | 50 | -0.31 | 93 |
IV.FDMO.HHZ. | 2020-12-01T06:20:55.47 | 0.1 | undecidable | manual | S | 353 | 27.9498 | 50 | -0.4 | 91 |
IV.LNSS.HHZ. | 2020-12-01T06:20:54.22 | 0.3 | undecidable | manual | S | 200 | 21.7671 | 114 | 0.29 | 71 |
IV.SMA1.EHZ. | 2020-12-01T06:20:54.51 | 0.1 | undecidable | manual | S | 136 | 24.0537 | 112 | -0.16 | 97 |
IV.FEMA.HNN. | 2020-12-01T06:20:53.61 | 0.3 | undecidable | manual | S | 341 | 20.5683 | 115 | 0.06 | 74 |
IV.MMO1.EHZ. | 2020-12-01T06:20:53.37 | 0.3 | undecidable | manual | S | 52 | 20.2686 | 116 | -0.09 | 74 |
IV.MTRA.EHZ. | 2020-12-01T06:20:53.68 | 0.1 | undecidable | manual | S | 99 | 21.867 | 114 | -0.29 | 94 |
IV.TERO.HHZ. | 2020-12-01T06:20:53.84 | 1.0 | undecidable | manual | P | 115 | 42.624 | 50 | 0.01 | 24 |
IV.CSP1.EHZ. | 2020-12-01T06:20:52.41 | 0.3 | positive | manual | P | 10 | 34.3434 | 50 | -0.14 | 71 |
IV.MF5.EHZ. | 2020-12-01T06:20:52.89 | 0.1 | undecidable | manual | P | 50 | 34.743 | 50 | 0.27 | 93 |
IV.MC2.EHZ. | 2020-12-01T06:20:52.07 | 0.1 | undecidable | manual | S | 19 | 14.5743 | 124 | 0.32 | 95 |
IV.CESI.HHZ. | 2020-12-01T06:20:51.89 | 0.1 | negative | manual | P | 323 | 30.3474 | 50 | -0.05 | 98 |
IV.FDMO.HHZ. | 2020-12-01T06:20:51.32 | 0.1 | positive | manual | P | 353 | 27.9498 | 50 | -0.24 | 94 |
IV.LNSS.HHZ. | 2020-12-01T06:20:50.63 | 0.1 | undecidable | manual | P | 200 | 21.7671 | 114 | 0.19 | 96 |
IV.SMA1.EHZ. | 2020-12-01T06:20:50.82 | 1.0 | negative | manual | P | 136 | 24.0537 | 112 | -0.05 | 25 |
IV.FEMA.HNN. | 2020-12-01T06:20:50.59 | 0.1 | undecidable | manual | P | 341 | 20.5683 | 115 | 0.37 | 93 |
IV.MMO1.EHZ. | 2020-12-01T06:20:50.04 | 0.1 | undecidable | manual | P | 52 | 20.2686 | 116 | -0.12 | 98 |
IT.MTCL.HGN. | 2020-12-01T06:20:50.88 | 0.1 | undecidable | manual | P | 335 | 25.3524 | 111 | -0.22 | 95 |
IV.MTRA.EHZ. | 2020-12-01T06:20:50.28 | 0.1 | undecidable | manual | P | 99 | 21.867 | 114 | -0.19 | 96 |
IV.MC2.EHZ. | 2020-12-01T06:20:49.39 | 0.3 | positive | manual | P | 19 | 14.5743 | 124 | 0.21 | 73 |
IV.NRCA.HNZ. | 2020-12-01T06:20:49.26 | 0.1 | undecidable | manual | S | 345 | 5.3946 | 151 | -0.26 | 98 |
IV.NRCA.HNZ. | 2020-12-01T06:20:48.04 | 0.1 | negative | manual | P | 345 | 5.3946 | 151 | 0.15 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:2.0 | 0.0017823024999999999 | 0.0608 | AML | other | m | 2020-12-01T06:20:49.33 |
IV.NRCA.HHN. | ML:2.0 | 0.001788602 | 0.08 | AML | other | m | 2020-12-01T06:20:49.29 |
IV.NRCA.HNE. | ML:2.0 | 0.001760322 | 0.0704 | AML | other | m | 2020-12-01T06:20:49.33 |
IV.NRCA.HNN. | ML:2.0 | 0.0014975555 | 0.0704 | AML | other | m | 2020-12-01T06:20:49.29 |
IV.MTRA.EHE. | ML:0.8 | 0.00004664173500000001 | 0.1376 | AML | other | m | 2020-12-01T06:20:54.05 |
IV.MTRA.EHN. | ML:0.8 | 0.000040788946 | 0.08 | AML | other | m | 2020-12-01T06:20:54.05 |
IV.LNSS.HHE. | ML:1.2 | 0.00011061691 | 0.1184 | AML | other | m | 2020-12-01T06:20:54.71 |
IV.LNSS.HHN. | ML:1.1 | 0.00008836497 | 0.0992 | AML | other | m | 2020-12-01T06:20:54.58 |
IV.FDMO.HHE. | ML:0.8 | 0.000029470015000000002 | 0.16 | AML | other | m | 2020-12-01T06:20:56.93 |
IV.FDMO.HHN. | ML:0.8 | 0.00002861284 | 0.2016 | AML | other | m | 2020-12-01T06:20:57.62 |
IV.CESI.HHE. | ML:0.7 | 0.000024147485 | 0.4224 | AML | other | m | 2020-12-01T06:21:01.70 |
IV.CESI.HHN. | ML:0.9 | 0.000037823960000000006 | 0.3808 | AML | other | m | 2020-12-01T06:20:57.98 |
IV.CSP1.EHN. | ML:1.1 | 0.000050144309999999994 | 0.1184 | AML | other | m | 2020-12-01T06:20:58.46 |
IV.EL6.EHE. | ML:1.1 | 0.000024055035 | 0.1408 | AML | other | m | 2020-12-01T06:21:06.48 |
IV.EL6.EHN. | ML:1.0 | 0.000018955014999999998 | 0.2016 | AML | other | m | 2020-12-01T06:21:05.60 |