A magnitude ML 1.4 earthquake occured in region: 1 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8020, 13.1030 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 | 1 | 4957 | 4957 |
Preci | PG | 10 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 11 | 281 | 5962 |
Cascia | PG | 12 | 3217 | 9179 |
Visso | MC | 15 | 1107 | 10286 |
Cerreto di Spoleto | PG | 15 | 1075 | 11361 |
Ussita | MC | 16 | 444 | 11805 |
Arquata del Tronto | AP | 16 | 1178 | 12983 |
Accumoli | RI | 17 | 667 | 13650 |
Poggiodomo | PG | 17 | 117 | 13767 |
Sellano | PG | 17 | 1079 | 14846 |
Montegallo | AP | 19 | 523 | 15369 |
Vallo di Nera | PG | 20 | 364 | 15733 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2021-01-08 04:40:06 |
42.8018 | 13.1033 | 10 | 2021-01-08 04:46:39 |
Sala Sismica INGV-Roma | 86088821 |
Field | Value |
---|---|
Time (UTC) | 2021-01-08 04:40:06 ± 0.08 |
Latitude | 42.8018 ± 0.0036 |
Longitude | 13.1033 ± 0.0074 |
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 | 86088821 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 644 |
Semi-minor axis of confidence ellipse (meter) | 437 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 92 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 640.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 77 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.39120 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.4 |
Num. used stations | 7 |
Type of magnitude | ML |
Reference to an origin | 86088821 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-01-08 04:46:39 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CESI.HNN. | 2021-01-08T04:40:16.58 | 0.3 | undecidable | manual | S | 324 | 27.75 | 50 | -0.15 | 72 |
IV.SMA1.EHZ. | 2021-01-08T04:40:16.55 | 0.3 | undecidable | manual | S | 135 | 26.8509 | 50 | 0.06 | 73 |
IV.FDMO.HHZ. | 2021-01-08T04:40:16.13 | 0.3 | undecidable | manual | S | 357 | 26.0517 | 50 | -0.16 | 72 |
IV.LNSS.HHZ. | 2021-01-08T04:40:15.05 | 0.3 | undecidable | manual | S | 193 | 22.6551 | 114 | -0.21 | 71 |
IV.TERO.HHZ. | 2021-01-08T04:40:15.16 | 3.0 | undecidable | manual | P | -0.03 | 0 | |||
IV.MOMA.HNN. | 2021-01-08T04:40:15.88 | 0.6 | undecidable | manual | P | 270 | 43.4232 | 50 | 0.99 | 35 |
IV.MMO1.EHE. | 2021-01-08T04:40:14.54 | 0.6 | undecidable | manual | S | 59 | 21.1677 | 115 | -0.25 | 47 |
IV.FDMO.HHZ. | 2021-01-08T04:40:12.10 | 0.6 | positive | manual | P | 357 | 26.0517 | 50 | -0.12 | 48 |
IV.MC2.EHZ. | 2021-01-08T04:40:12.81 | 0.3 | undecidable | manual | S | 30 | 13.9749 | 126 | 0.17 | 73 |
IV.CESI.HNN. | 2021-01-08T04:40:12.37 | 0.1 | undecidable | manual | P | 324 | 27.75 | 50 | -0.1 | 97 |
IV.SMA1.EHZ. | 2021-01-08T04:40:12.18 | 1.0 | undecidable | manual | P | 135 | 26.8509 | 50 | -0.15 | 24 |
IV.LNSS.HHZ. | 2021-01-08T04:40:11.56 | 0.6 | undecidable | manual | P | 193 | 22.6551 | 114 | -0.06 | 49 |
IV.MMO1.EHE. | 2021-01-08T04:40:11.48 | 0.1 | undecidable | manual | P | 59 | 21.1677 | 115 | 0.13 | 97 |
IV.NRCA.HHZ. | 2021-01-08T04:40:10.23 | 0.1 | undecidable | manual | S | 14 | 3.5964 | 160 | -0.14 | 100 |
IV.MC2.EHZ. | 2021-01-08T04:40:10.42 | 1.0 | negative | manual | P | 30 | 13.9749 | 126 | 0.31 | 24 |
IV.NRCA.HHZ. | 2021-01-08T04:40:08.94 | 0.1 | undecidable | manual | P | 14 | 3.5964 | 160 | 0.14 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HNE. | ML:1.5 | 0.0006025000000000001 | 0.08 | AML | other | m | 2021-01-08T04:40:10.30 |
IV.NRCA.HHE. | ML:1.5 | 0.0005495 | 0.06 | AML | other | m | 2021-01-08T04:40:10.30 |
IV.NRCA.HHN. | ML:1.7 | 0.0008865 | 0.08 | AML | other | m | 2021-01-08T04:40:10.26 |
IV.NRCA.HNN. | ML:1.6 | 0.0007605 | 0.08 | AML | other | m | 2021-01-08T04:40:10.26 |
IV.LNSS.HHE. | ML:0.7 | 0.000030283400000000002 | 0.1216 | AML | other | m | 2021-01-08T04:40:15.54 |
IV.LNSS.HHN. | ML:0.9 | 0.00005672656 | 1.84 | AML | other | m | 2021-01-08T04:40:16.00 |
IV.SMA1.EHE. | ML:0.9 | 0.00004583986 | 2.7808 | AML | other | m | 2021-01-08T04:40:18.00 |