A magnitude ML 0.9 earthquake occured in region: 3 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8150, 13.1230 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 | 9 | 281 | 5238 |
Preci | PG | 10 | 724 | 5962 |
Visso | MC | 13 | 1107 | 7069 |
Cascia | PG | 14 | 3217 | 10286 |
Ussita | MC | 15 | 444 | 10730 |
Arquata del Tronto | AP | 15 | 1178 | 11908 |
Accumoli | RI | 17 | 667 | 12575 |
Cerreto di Spoleto | PG | 17 | 1075 | 13650 |
Montegallo | AP | 18 | 523 | 14173 |
Sellano | PG | 18 | 1079 | 15252 |
Poggiodomo | PG | 19 | 117 | 15369 |
Montemonaco | AP | 19 | 604 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2020-12-30 22:55:56 |
42.8148 | 13.1232 | 10 | 2020-12-30 23:01:40 |
Sala Sismica INGV-Roma | 85890121 |
Field | Value |
---|---|
Time (UTC) | 2020-12-30 22:55:56 ± 0.05 |
Latitude | 42.8148 ± 0.0027 |
Longitude | 13.1232 ± 0.0037 |
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 | 85890121 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 328 |
Semi-minor axis of confidence ellipse (meter) | 197 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 67 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 330.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 87 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.01979 |
Epicentral distance of station farthest from the epicenter (degree) | 0.40200 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.4 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 85890121 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-12-30 23:01:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2020-12-30T22:56:11.06 | 0.6 | undecidable | manual | S | 118 | 44.622 | 50 | -0.36 | 44 |
IV.SMA1.EHZ. | 2020-12-30T22:56:06.83 | 0.6 | undecidable | manual | S | 140 | 26.751 | 50 | 0.16 | 47 |
IV.CESI.HHZ. | 2020-12-30T22:56:06.73 | 0.3 | undecidable | manual | S | 320 | 27.5502 | 50 | -0.15 | 71 |
IV.GAVE.EHZ. | 2020-12-30T22:56:05.43 | 0.3 | undecidable | manual | S | 234 | 23.0547 | 113 | -0.1 | 72 |
IV.T1299.HNZ. | 2020-12-30T22:56:05.76 | 0.3 | undecidable | manual | S | 147 | 23.8539 | 113 | -0.03 | 73 |
IV.TERO.HHZ. | 2020-12-30T22:56:05.16 | 0.6 | undecidable | manual | P | 118 | 44.622 | 50 | -0.09 | 47 |
IV.FDMO.HHZ. | 2020-12-30T22:56:05.97 | 0.3 | undecidable | manual | S | 353 | 24.753 | 112 | -0.1 | 72 |
IV.MMO1.EHZ. | 2020-12-30T22:56:04.10 | 0.3 | undecidable | manual | S | 60 | 19.0698 | 118 | -0.17 | 72 |
IV.FDMO.HHZ. | 2020-12-30T22:56:02.17 | 0.3 | undecidable | manual | P | 353 | 24.753 | 112 | 0.01 | 73 |
IV.SMA1.EHZ. | 2020-12-30T22:56:02.68 | 0.6 | undecidable | manual | P | 140 | 26.751 | 50 | 0.18 | 47 |
IV.CESI.HHZ. | 2020-12-30T22:56:02.89 | 0.6 | undecidable | manual | P | 320 | 27.5502 | 50 | 0.27 | 46 |
IV.T1299.HNZ. | 2020-12-30T22:56:02.20 | 0.6 | undecidable | manual | P | 147 | 23.8539 | 113 | 0.21 | 47 |
IV.MC2.EHZ. | 2020-12-30T22:56:02.53 | 0.3 | undecidable | manual | S | 27 | 11.9769 | 130 | 0.31 | 71 |
IV.MMO1.EHZ. | 2020-12-30T22:56:01.02 | 0.3 | positive | manual | P | 60 | 19.0698 | 118 | -0.09 | 73 |
IV.GAVE.EHZ. | 2020-12-30T22:56:01.92 | 0.3 | undecidable | manual | P | 234 | 23.0547 | 113 | 0.08 | 73 |
IV.MC2.EHZ. | 2020-12-30T22:56:00.17 | 0.6 | undecidable | manual | P | 27 | 11.9769 | 130 | 0.24 | 48 |
IV.NRCA.HHZ. | 2020-12-30T22:56:00.06 | 0.3 | undecidable | manual | S | 341 | 2.1978 | 168 | -0.28 | 72 |
IV.NRCA.HHZ. | 2020-12-30T22:55:58.95 | 0.1 | undecidable | manual | P | 341 | 2.1978 | 168 | 0.1 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.5 | 0.000627 | 0.08 | AML | other | m | 2020-12-30T22:56:00.59 |
IV.NRCA.HNE. | ML:1.5 | 0.00063 | 0.98 | AML | other | m | 2020-12-30T22:56:00.59 |
IV.NRCA.HHN. | ML:1.2 | 0.0003085 | 0.78 | AML | other | m | 2020-12-30T22:56:00.58 |
IV.NRCA.HNN. | ML:1.4 | 0.000451 | 0.78 | AML | other | m | 2020-12-30T22:56:00.98 |
IV.TERO.HHN. | ML:1.1 | 0.000034997425 | 2.8416 | AML | other | m | 2020-12-30T22:56:12.86 |
IV.TERO.HHE. | ML:0.5 | 0.0000082441765 | 2.2016 | AML | other | m | 2020-12-30T22:56:11.64 |
IV.GAVE.EHE. | ML:0.7 | 0.00003747657 | 0.256 | AML | other | m | 2020-12-30T22:56:07.16 |
IV.GAVE.EHN. | ML:0.9 | 0.000055924445000000006 | 0.1408 | AML | other | m | 2020-12-30T22:56:06.42 |
IV.FDMO.HHE. | ML:0.7 | 0.000031285025 | 1.856 | AML | other | m | 2020-12-30T22:56:05.84 |
IV.FDMO.HHN. | ML:0.4 | 0.000016781637 | 0.256 | AML | other | m | 2020-12-30T22:56:06.36 |
IV.CESI.HHE. | ML:0.7 | 0.000022638455 | 1.4208 | AML | other | m | 2020-12-30T22:56:06.88 |
IV.CESI.HHN. | ML:0.6 | 0.00001976288 | 0.2176 | AML | other | m | 2020-12-30T22:56:07.13 |