A magnitude ML 1.3 earthquake occured in region: 3 km N Norcia (PG), on
and geographic coordinates (lat, lon) 42.8170, 13.0900 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 |
Preci | PG | 8 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5962 |
Cascia | PG | 13 | 3217 | 9179 |
Visso | MC | 13 | 1107 | 10286 |
Cerreto di Spoleto | PG | 14 | 1075 | 11361 |
Ussita | MC | 15 | 444 | 11805 |
Sellano | PG | 16 | 1079 | 12884 |
Poggiodomo | PG | 17 | 117 | 13001 |
Arquata del Tronto | AP | 18 | 1178 | 14179 |
Accumoli | RI | 19 | 667 | 14846 |
Vallo di Nera | PG | 19 | 364 | 15210 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2020-12-04 18:55:43 |
42.8173 | 13.0903 | 10 | 2020-12-04 19:01:53 |
Sala Sismica INGV-Roma | 85200691 |
Field | Value |
---|---|
Time (UTC) | 2020-12-04 18:55:43 ± 0.1 |
Latitude | 42.8173 ± 0.0054 |
Longitude | 13.0903 ± 0.0147 |
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 | 85200691 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1230 |
Semi-minor axis of confidence ellipse (meter) | 526 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 102 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1230.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 169 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.19 |
Epicentral distance of station closest to the epicenter (degree) | 0.02428 |
Epicentral distance of station farthest from the epicenter (degree) | 0.32915 |
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 | 1.3 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 85200691 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-04 19:01:53 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MF5.EHZ. | 2020-12-04T18:55:55.55 | 0.6 | undecidable | manual | S | 58 | 35.4423 | 50 | 0.35 | 46 |
IV.CSP1.EHZ. | 2020-12-04T18:55:54.13 | 0.6 | undecidable | manual | S | 17 | 31.8459 | 50 | -0.09 | 49 |
IV.LNSS.HHZ. | 2020-12-04T18:55:52.19 | 0.6 | undecidable | manual | S | 190 | 24.1536 | 50 | 0.02 | 50 |
IV.FDMO.HHE. | 2020-12-04T18:55:52.16 | 0.6 | undecidable | manual | S | 359 | 24.3534 | 50 | -0.06 | 50 |
IV.PF6.EHE. | 2020-12-04T18:55:50.20 | 0.1 | undecidable | manual | P | 13 | 36.5412 | 50 | -0.04 | 98 |
IV.MF5.EHZ. | 2020-12-04T18:55:50.09 | 0.6 | negative | manual | P | 58 | 35.4423 | 50 | 0.01 | 49 |
IV.CSP1.EHZ. | 2020-12-04T18:55:49.52 | 0.6 | undecidable | manual | P | 17 | 31.8459 | 50 | 0 | 50 |
IV.FDMO.HHE. | 2020-12-04T18:55:48.50 | 0.6 | undecidable | manual | P | 359 | 24.3534 | 50 | 0.14 | 49 |
IV.LNSS.HHZ. | 2020-12-04T18:55:48.31 | 0.6 | undecidable | manual | P | 190 | 24.1536 | 50 | -0.02 | 50 |
IV.MTRA.HNZ. | 2020-12-04T18:55:47.83 | 1.0 | undecidable | manual | P | 105 | 25.8519 | 50 | -0.76 | 20 |
IV.NRCA.HHZ. | 2020-12-04T18:55:46.65 | 0.6 | undecidable | manual | S | 47 | 2.6973 | 166 | -0.14 | 51 |
IV.NRCA.HHZ. | 2020-12-04T18:55:45.46 | 0.1 | negative | manual | P | 47 | 2.6973 | 166 | 0.24 | 100 |
IV.MC2.EHZ. | 2020-12-04T18:55:45.80 | 1.0 | undecidable | manual | P | 37 | 13.1757 | 128 | -0.65 | 22 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHE. | ML:0.0 | 0.00010566563 | 0.1024 | AML | other | m | 2020-12-04T18:55:52.81 |
IV.LNSS.HHN. | ML:0.0 | 0.000075740595 | 0.1408 | AML | other | m | 2020-12-04T18:55:52.65 |
IV.NRCA.HHE. | ML:1.2 | 0.00026424145 | 0.1152 | AML | other | m | 2020-12-04T18:55:46.88 |
IV.NRCA.HHN. | ML:1.4 | 0.0005369395999999999 | 0.1664 | AML | other | m | 2020-12-04T18:55:46.82 |
IV.NRCA.HNE. | ML:1.2 | 0.00025955685 | 0.128 | AML | other | m | 2020-12-04T18:55:46.88 |
IV.NRCA.HNN. | ML:1.4 | 0.00051510995 | 0.1664 | AML | other | m | 2020-12-04T18:55:46.81 |
IV.LNSS.HNE. | ML:1.3 | 0.00011150505999999999 | 0.5888 | AML | other | m | 2020-12-04T18:55:58.66 |
IV.LNSS.HNN. | ML:1.2 | 0.000105029495 | 0.4608 | AML | other | m | 2020-12-04T18:55:57.20 |
IV.CSP1.EHE. | ML:1.4 | 0.000117383025 | 2.1376 | AML | other | m | 2020-12-04T18:55:51.25 |
IV.CSP1.EHN. | ML:1.3 | 0.000095714465 | 1.3824 | AML | other | m | 2020-12-04T18:55:52.27 |
IV.MF5.EHE. | ML:1.6 | 0.0001535547 | 2.0352 | AML | other | m | 2020-12-04T18:55:53.47 |
IV.MF5.EHN. | ML:1.5 | 0.000113006725 | 1.9584 | AML | other | m | 2020-12-04T18:55:59.70 |