A magnitude ML 1.0 earthquake occured in region: 4 km N Norcia (PG), on
and geographic coordinates (lat, lon) 42.8310, 13.1070 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 | 4 | 4957 | 4957 |
Preci | PG | 8 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 8 | 281 | 5962 |
Visso | MC | 11 | 1107 | 7069 |
Ussita | MC | 13 | 444 | 7513 |
Cascia | PG | 15 | 3217 | 10730 |
Cerreto di Spoleto | PG | 16 | 1075 | 11805 |
Sellano | PG | 16 | 1079 | 12884 |
Arquata del Tronto | AP | 17 | 1178 | 14062 |
Montegallo | AP | 19 | 523 | 14585 |
Accumoli | RI | 19 | 667 | 15252 |
Poggiodomo | PG | 19 | 117 | 15369 |
Montemonaco | AP | 20 | 604 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2020-12-01 00:19:42 |
42.8313 | 13.1072 | 11 | 2020-12-01 00:28:50 |
Sala Sismica INGV-Roma | 85119821 |
Field | Value |
---|---|
Time (UTC) | 2020-12-01 00:19:42 ± 0.05 |
Latitude | 42.8313 ± 0.0027 |
Longitude | 13.1072 ± 0.0037 |
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 | 85119821 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 359 |
Semi-minor axis of confidence ellipse (meter) | 223 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 58 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 360.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 54 |
Number of associated phases, regardless of their use for origin computation | 30 |
Number of defining phases | 30 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00540 |
Epicentral distance of station farthest from the epicenter (degree) | 0.41998 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 15 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 16 |
Type of magnitude | ML |
Reference to an origin | 85119821 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-01 00:28:50 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MOMA.HNE. | 2020-12-01T00:19:57.64 | 0.3 | undecidable | manual | S | 266 | 43.8228 | 90 | 0.76 | 58 |
IV.TERO.HHZ. | 2020-12-01T00:19:57.46 | 0.3 | undecidable | manual | S | 120 | 46.62 | 90 | -0.17 | 68 |
IV.ARRO.EHZ. | 2020-12-01T00:19:55.54 | 0.6 | undecidable | manual | S | 225 | 39.4272 | 90 | -0.18 | 46 |
IV.CSP1.EHZ. | 2020-12-01T00:19:53.27 | 0.3 | undecidable | manual | S | 15 | 29.9478 | 91 | 0.09 | 72 |
IV.T1299.EHZ. | 2020-12-01T00:19:52.37 | 0.3 | undecidable | manual | S | 147 | 26.0517 | 91 | 0.22 | 70 |
IV.SMA1.EHZ. | 2020-12-01T00:19:52.68 | 0.3 | undecidable | manual | S | 140 | 29.0487 | 91 | -0.25 | 69 |
IV.LNSS.HHZ. | 2020-12-01T00:19:51.73 | 0.3 | undecidable | manual | S | 192 | 25.9518 | 91 | -0.37 | 68 |
IV.TERO.HHZ. | 2020-12-01T00:19:51.38 | 0.1 | undecidable | manual | P | 120 | 46.62 | 90 | 0.05 | 93 |
IV.MTRA.HNZ. | 2020-12-01T00:19:51.82 | 0.3 | undecidable | manual | S | 109 | 24.9528 | 91 | -0.03 | 73 |
IV.FDMO.HHZ. | 2020-12-01T00:19:51.06 | 0.3 | undecidable | manual | S | 356 | 22.8549 | 91 | -0.21 | 70 |
IV.MOMA.HNE. | 2020-12-01T00:19:51.03 | 0.3 | undecidable | manual | P | 266 | 43.8228 | 90 | 0.13 | 69 |
IV.CESI.HHZ. | 2020-12-01T00:19:51.77 | 0.3 | undecidable | manual | S | 320 | 25.3524 | 91 | -0.17 | 71 |
IV.ARRO.EHZ. | 2020-12-01T00:19:50.34 | 0.6 | undecidable | manual | P | 225 | 39.4272 | 90 | 0.11 | 47 |
IV.MMO1.HNZ. | 2020-12-01T00:19:50.27 | 0.3 | undecidable | manual | S | 67 | 19.3695 | 92 | -0.09 | 73 |
IT.MTCL.HGZ. | 2020-12-01T00:19:50.21 | 0.3 | undecidable | manual | S | 334 | 20.0688 | 92 | -0.32 | 69 |
IV.FEMA.HNZ. | 2020-12-01T00:19:49.09 | 0.3 | undecidable | manual | S | 342 | 15.2736 | 95 | -0.16 | 72 |
IV.CSP1.EHZ. | 2020-12-01T00:19:48.78 | 0.1 | undecidable | manual | P | 15 | 29.9478 | 91 | 0.02 | 97 |
IV.MC2.EHZ. | 2020-12-01T00:19:48.49 | 0.3 | undecidable | manual | S | 37 | 11.0778 | 115 | 0.3 | 70 |
IV.T1299.EHZ. | 2020-12-01T00:19:48.32 | 0.1 | undecidable | manual | P | 147 | 26.0517 | 91 | 0.15 | 95 |
IV.SMA1.EHZ. | 2020-12-01T00:19:48.58 | 0.1 | undecidable | manual | P | 140 | 29.0487 | 91 | -0.04 | 97 |
IV.MTRA.HNZ. | 2020-12-01T00:19:47.99 | 0.3 | undecidable | manual | P | 109 | 24.9528 | 91 | 0 | 74 |
IV.FDMO.HHZ. | 2020-12-01T00:19:47.57 | 0.1 | undecidable | manual | P | 356 | 22.8549 | 91 | -0.09 | 96 |
IT.MTCL.HGZ. | 2020-12-01T00:19:47.16 | 0.3 | undecidable | manual | P | 334 | 20.0688 | 92 | -0.08 | 73 |
IV.CESI.HHZ. | 2020-12-01T00:19:47.95 | 0.1 | undecidable | manual | P | 320 | 25.3524 | 91 | -0.1 | 96 |
IV.MMO1.HNZ. | 2020-12-01T00:19:47.15 | 0.1 | undecidable | manual | P | 67 | 19.3695 | 92 | 0.02 | 99 |
IV.LNSS.HHZ. | 2020-12-01T00:19:47.90 | 0.1 | undecidable | manual | P | 192 | 25.9518 | 91 | -0.24 | 94 |
IV.NRCA.HHZ. | 2020-12-01T00:19:46.24 | 0.3 | undecidable | manual | S | 67 | 0.5994 | 176 | -0.39 | 72 |
IV.FEMA.HNZ. | 2020-12-01T00:19:46.66 | 0.3 | undecidable | manual | P | 342 | 15.2736 | 95 | 0.17 | 72 |
IV.MC2.EHZ. | 2020-12-01T00:19:46.13 | 0.1 | undecidable | manual | P | 37 | 11.0778 | 115 | 0.25 | 95 |
IV.NRCA.HHZ. | 2020-12-01T00:19:45.02 | 0.1 | undecidable | manual | P | 67 | 0.5994 | 176 | 0.04 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.6 | 0.0006861011500000001 | 0.08 | AML | other | m | 2020-12-01T00:19:46.54 |
IV.NRCA.HHN. | ML:1.8 | 0.0010299186 | 0.06 | AML | other | m | 2020-12-01T00:19:46.47 |
IV.NRCA.HNE. | ML:1.6 | 0.0006402467 | 0.07 | AML | other | m | 2020-12-01T00:19:46.45 |
IV.NRCA.HNN. | ML:1.8 | 0.00098262085 | 0.08 | AML | other | m | 2020-12-01T00:19:46.48 |
IV.FDMO.HHE. | ML:0.7 | 0.00003155731 | 0.24 | AML | other | m | 2020-12-01T00:19:51.67 |
IV.FDMO.HHN. | ML:0.7 | 0.00003026515 | 0.24 | AML | other | m | 2020-12-01T00:19:51.20 |
IV.LNSS.HHE. | ML:1.0 | 0.000054993365000000005 | 0.14 | AML | other | m | 2020-12-01T00:19:52.36 |
IV.LNSS.HHN. | ML:0.9 | 0.00004641990999999999 | 0.12 | AML | other | m | 2020-12-01T00:19:52.73 |
IV.CESI.HHE. | ML:0.8 | 0.0000333813025 | 0.08 | AML | other | m | 2020-12-01T00:19:52.05 |
IV.CESI.HHN. | ML:1.0 | 0.00006201874 | 0.08 | AML | other | m | 2020-12-01T00:19:52.20 |
IV.SMA1.EHE. | ML:1.0 | 0.000054024020000000005 | 2.1 | AML | other | m | 2020-12-01T00:19:53.06 |
IV.SMA1.EHN. | ML:0.7 | 0.00002712289875 | 0.26 | AML | other | m | 2020-12-01T00:19:54.09 |
IV.CSP1.EHE. | ML:1.2 | 0.00007625472 | 0.24 | AML | other | m | 2020-12-01T00:19:54.23 |
IV.CSP1.EHN. | ML:1.2 | 0.00008655524 | 0.18 | AML | other | m | 2020-12-01T00:19:55.01 |
IV.TERO.HHE. | ML:0.6 | 0.000010212952499999999 | 0.06 | AML | other | m | 2020-12-01T00:19:58.66 |
IV.TERO.HHN. | ML:0.7 | 0.000014390900000000001 | 0.1 | AML | other | m | 2020-12-01T00:19:58.24 |