A magnitude ML 1.3 earthquake occured in region: 5 km N Norcia (PG), on
and geographic coordinates (lat, lon) 42.8370, 13.0880 at 12 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 | 5 | 4957 | 4957 |
Preci | PG | 6 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 9 | 281 | 5962 |
Visso | MC | 11 | 1107 | 7069 |
Ussita | MC | 13 | 444 | 7513 |
Cerreto di Spoleto | PG | 14 | 1075 | 8588 |
Sellano | PG | 14 | 1079 | 9667 |
Cascia | PG | 14 | 3217 | 12884 |
Arquata del Tronto | AP | 19 | 1178 | 14062 |
Poggiodomo | PG | 19 | 117 | 14179 |
Monte Cavallo | MC | 19 | 145 | 14324 |
Vallo di Nera | PG | 20 | 364 | 14688 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2020-12-20 18:25:58 |
42.837 | 13.0875 | 12 | 2020-12-20 18:34:23 |
Sala Sismica INGV-Roma | 85584631 |
Field | Value |
---|---|
Time (UTC) | 2020-12-20 18:25:58 ± 0.04 |
Latitude | 42.8370 ± 0.0027 |
Longitude | 13.0875 ± 0.0037 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 85584631 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 300 |
Semi-minor axis of confidence ellipse (meter) | 139 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 253 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 300.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 79 |
Number of associated phases, regardless of their use for origin computation | 35 |
Number of defining phases | 33 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.43527 |
Number of stations at which the event was observed | 19 |
Number of stations from which data was used for origin computation | 17 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.3 |
Num. used stations | 21 |
Type of magnitude | ML |
Reference to an origin | 85584631 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-20 18:34:23 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARVD.HHZ. | 2020-12-20T18:26:22.46 | 3.0 | undecidable | manual | S | -0.36 | 0 | |||
IV.TERO.HHZ. | 2020-12-20T18:26:14.15 | 0.6 | undecidable | manual | S | 119 | 48.3183 | 91 | -0.11 | 45 |
IV.ASSB.HHZ. | 2020-12-20T18:26:12.66 | 0.6 | undecidable | manual | S | 303 | 41.625 | 92 | 0.19 | 45 |
IV.ARRO.EHZ. | 2020-12-20T18:26:11.97 | 0.6 | undecidable | manual | S | 223 | 38.8278 | 92 | 0.25 | 45 |
IV.CSP1.EHZ. | 2020-12-20T18:26:09.38 | 0.6 | undecidable | manual | S | 19 | 29.8479 | 93 | 0.06 | 48 |
IV.SMA1.EHZ. | 2020-12-20T18:26:09.33 | 0.6 | undecidable | manual | S | 139 | 30.5472 | 93 | -0.18 | 46 |
IV.T1299.HNZ. | 2020-12-20T18:26:09.19 | 0.6 | undecidable | manual | S | 145 | 27.5502 | 93 | 0.48 | 44 |
IV.EL6.EHZ. | 2020-12-20T18:26:08.80 | 3.0 | positive | manual | P | -0.18 | 0 | |||
IV.MTRA.EHZ. | 2020-12-20T18:26:08.46 | 0.6 | undecidable | manual | S | 109 | 26.6511 | 94 | -0.02 | 48 |
IV.LNSS.HHZ. | 2020-12-20T18:26:08.40 | 0.6 | undecidable | manual | S | 188 | 26.2515 | 94 | 0.03 | 48 |
IV.GAVE.EHZ. | 2020-12-20T18:26:07.48 | 0.6 | undecidable | manual | S | 224 | 22.4553 | 95 | 0.11 | 48 |
IV.TERO.HHZ. | 2020-12-20T18:26:07.55 | 0.1 | undecidable | manual | P | 119 | 48.3183 | 91 | -0.22 | 89 |
IV.CESI.HHZ. | 2020-12-20T18:26:07.59 | 0.6 | undecidable | manual | S | 321 | 23.8539 | 94 | -0.13 | 48 |
IV.FDMO.HHZ. | 2020-12-20T18:26:06.96 | 0.6 | undecidable | manual | S | 360 | 22.1556 | 95 | -0.31 | 46 |
IV.ARRO.EHZ. | 2020-12-20T18:26:06.45 | 0.1 | undecidable | manual | P | 223 | 38.8278 | 92 | 0.15 | 92 |
IV.MMO1.EHZ. | 2020-12-20T18:26:06.56 | 0.6 | undecidable | manual | S | 70 | 20.6682 | 96 | -0.32 | 46 |
IV.ASSB.HHZ. | 2020-12-20T18:26:06.71 | 0.6 | positive | manual | P | 303 | 41.625 | 92 | -0.02 | 47 |
IV.MF5.EHZ. | 2020-12-20T18:26:06.12 | 0.1 | undecidable | manual | P | 61 | 34.5432 | 92 | 0.47 | 87 |
IT.MTCL.HGZ. | 2020-12-20T18:26:06.17 | 0.6 | undecidable | manual | S | 338 | 18.87 | 98 | -0.22 | 47 |
IV.FEMA.HNZ. | 2020-12-20T18:26:05.15 | 0.6 | undecidable | manual | S | 348 | 14.1747 | 109 | -0.05 | 49 |
IV.T1299.HNZ. | 2020-12-20T18:26:04.56 | 0.1 | undecidable | manual | P | 145 | 27.5502 | 93 | 0 | 96 |
IV.LNSS.HHZ. | 2020-12-20T18:26:04.39 | 0.1 | undecidable | manual | P | 188 | 26.2515 | 94 | 0.02 | 97 |
IV.CSP1.EHZ. | 2020-12-20T18:26:04.91 | 0.3 | negative | manual | P | 19 | 29.8479 | 93 | -0.01 | 72 |
IV.MC2.EHZ. | 2020-12-20T18:26:04.90 | 0.6 | undecidable | manual | S | 45 | 11.6772 | 119 | 0.32 | 47 |
IV.SMA1.EHZ. | 2020-12-20T18:26:04.99 | 0.1 | undecidable | manual | P | 139 | 30.5472 | 93 | -0.03 | 95 |
IV.MTRA.EHZ. | 2020-12-20T18:26:04.35 | 0.1 | undecidable | manual | P | 109 | 26.6511 | 94 | -0.08 | 95 |
IV.CESI.HHZ. | 2020-12-20T18:26:04.06 | 0.1 | negative | manual | P | 321 | 23.8539 | 94 | 0.07 | 96 |
IV.MMO1.EHZ. | 2020-12-20T18:26:03.49 | 0.1 | undecidable | manual | P | 70 | 20.6682 | 96 | -0.01 | 97 |
IT.MTCL.HGZ. | 2020-12-20T18:26:03.14 | 0.1 | undecidable | manual | P | 338 | 18.87 | 98 | -0.09 | 97 |
IV.GAVE.EHZ. | 2020-12-20T18:26:03.36 | 0.1 | undecidable | manual | P | 224 | 22.4553 | 95 | -0.43 | 89 |
IV.FDMO.HHZ. | 2020-12-20T18:26:03.71 | 0.3 | negative | manual | P | 360 | 22.1556 | 95 | -0.02 | 73 |
IV.NRCA.HNZ. | 2020-12-20T18:26:02.80 | 0.6 | undecidable | manual | S | 100 | 2.1978 | 167 | -0.24 | 47 |
IV.FEMA.HNZ. | 2020-12-20T18:26:02.64 | 0.1 | undecidable | manual | P | 348 | 14.1747 | 109 | 0.11 | 97 |
IV.MC2.EHZ. | 2020-12-20T18:26:02.45 | 0.6 | negative | manual | P | 45 | 11.6772 | 119 | 0.28 | 47 |
IV.NRCA.HNZ. | 2020-12-20T18:26:01.37 | 0.1 | undecidable | manual | P | 100 | 2.1978 | 167 | 0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.7 | 0.0008164207 | 0.0768 | AML | other | m | 2020-12-20T18:26:02.89 |
IV.NRCA.HHN. | ML:1.8 | 0.0010250693499999999 | 0.0896 | AML | other | m | 2020-12-20T18:26:02.92 |
IV.NRCA.HNE. | ML:1.7 | 0.0007861714499999999 | 0.0768 | AML | other | m | 2020-12-20T18:26:02.89 |
IV.NRCA.HNN. | ML:1.8 | 0.0009410476999999999 | 0.064 | AML | other | m | 2020-12-20T18:26:02.92 |
IV.GAVE.EHE. | ML:1.7 | 0.0003078014 | 0.192 | AML | other | m | 2020-12-20T18:26:08.37 |
IV.GAVE.EHN. | ML:1.4 | 0.00017599765 | 0.1536 | AML | other | m | 2020-12-20T18:26:08.54 |
IV.GAVE.HNE. | ML:1.7 | 0.0002848043 | 0.1792 | AML | other | m | 2020-12-20T18:26:08.36 |
IV.FDMO.HHE. | ML:0.8 | 0.00004425362 | 0.1536 | AML | other | m | 2020-12-20T18:26:10.16 |
IV.FDMO.HHN. | ML:0.8 | 0.000047320440000000005 | 0.2944 | AML | other | m | 2020-12-20T18:26:07.21 |
IV.CESI.HHE. | ML:1.2 | 0.000096102155 | 0.2048 | AML | other | m | 2020-12-20T18:26:08.12 |
IV.CESI.HHN. | ML:1.2 | 0.00009948003500000001 | 0.192 | AML | other | m | 2020-12-20T18:26:08.21 |
IV.LNSS.HHE. | ML:1.4 | 0.0001438819 | 0.1664 | AML | other | m | 2020-12-20T18:26:08.67 |
IV.LNSS.HHN. | ML:1.3 | 0.00011195632999999999 | 0.1792 | AML | other | m | 2020-12-20T18:26:09.23 |
IV.CSP1.EHE. | ML:1.4 | 0.00011048755499999999 | 0.1408 | AML | other | m | 2020-12-20T18:26:09.82 |
IV.CSP1.EHN. | ML:1.3 | 0.00010078024499999999 | 0.128 | AML | other | m | 2020-12-20T18:26:09.45 |
IV.SMA1.EHN. | ML:0.8 | 0.000032399775 | 0.2048 | AML | other | m | 2020-12-20T18:26:10.87 |
IV.ARRO.EHE. | ML:1.0 | 0.000035800834999999993 | 0.2816 | AML | other | m | 2020-12-20T18:26:12.78 |
IV.ARRO.EHN. | ML:1.0 | 0.00003356846 | 0.2432 | AML | other | m | 2020-12-20T18:26:13.13 |
IV.ASSB.HHE. | ML:1.1 | 0.00004284458999999999 | 0.128 | AML | other | m | 2020-12-20T18:26:13.27 |
IV.ASSB.HHN. | ML:1.1 | 0.000037820545 | 0.1792 | AML | other | m | 2020-12-20T18:26:14.59 |
IV.TERO.HHE. | ML:0.9 | 0.000020654395 | 0.0768 | AML | other | m | 2020-12-20T18:26:15.65 |