A magnitude ML 1.0 earthquake occured in region: 6 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8290, 13.1500 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 | 6 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 7 | 281 | 5238 |
Preci | PG | 11 | 724 | 5962 |
Visso | MC | 12 | 1107 | 7069 |
Ussita | MC | 13 | 444 | 7513 |
Arquata del Tronto | AP | 14 | 1178 | 8691 |
Montegallo | AP | 15 | 523 | 9214 |
Montemonaco | AP | 17 | 604 | 9818 |
Cascia | PG | 17 | 3217 | 13035 |
Accumoli | RI | 17 | 667 | 13702 |
Cerreto di Spoleto | PG | 19 | 1075 | 14777 |
Sellano | PG | 19 | 1079 | 15856 |
Bolognola | MC | 20 | 142 | 15998 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-01-28 22:30:32 |
42.8293 | 13.1505 | 10 | 2021-01-28 22:39:04 |
Sala Sismica INGV-Roma | 86666061 |
Field | Value |
---|---|
Time (UTC) | 2021-01-28 22:30:32 ± 0.07 |
Latitude | 42.8293 ± 0.0045 |
Longitude | 13.1505 ± 0.0074 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 86666061 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 603 |
Semi-minor axis of confidence ellipse (meter) | 413 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 64 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 600.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 85 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.02698 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25091 |
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 | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 86666061 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-01-28 22:39:04 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CESI.HHZ. | 2021-01-28T22:30:42.17 | 0.3 | undecidable | manual | S | 314 | 27.8499 | 50 | -0.16 | 71 |
IV.T1299.HNZ. | 2021-01-28T22:30:41.26 | 0.6 | undecidable | manual | S | 154 | 24.1536 | 113 | -0.01 | 49 |
IV.SMA1.EHE. | 2021-01-28T22:30:41.56 | 0.6 | undecidable | manual | S | 146 | 26.751 | 50 | -0.45 | 44 |
IV.LNSS.HHN. | 2021-01-28T22:30:41.86 | 0.3 | undecidable | manual | S | 200 | 26.6511 | 50 | -0.15 | 71 |
IV.FDMO.HHZ. | 2021-01-28T22:30:40.90 | 0.3 | undecidable | manual | S | 347 | 23.5542 | 113 | -0.18 | 71 |
IV.GAVE.HNE. | 2021-01-28T22:30:38.23 | 0.1 | undecidable | manual | P | 234 | 25.8519 | 50 | 0.5 | 88 |
IV.SMA1.EHE. | 2021-01-28T22:30:38.15 | 0.1 | undecidable | manual | P | 146 | 26.751 | 50 | 0.28 | 92 |
IV.MMO1.EHZ. | 2021-01-28T22:30:38.64 | 0.1 | undecidable | manual | S | 61 | 16.2726 | 122 | -0.2 | 95 |
IV.CESI.HHZ. | 2021-01-28T22:30:37.92 | 0.1 | undecidable | manual | P | 314 | 27.8499 | 50 | -0.13 | 95 |
IV.MC2.EHZ. | 2021-01-28T22:30:37.34 | 0.3 | undecidable | manual | S | 19 | 9.5793 | 136 | 0.32 | 70 |
IV.LNSS.HHN. | 2021-01-28T22:30:37.80 | 0.1 | undecidable | manual | P | 200 | 26.6511 | 50 | -0.06 | 96 |
IV.T1299.HNZ. | 2021-01-28T22:30:37.37 | 0.1 | undecidable | manual | P | 154 | 24.1536 | 113 | -0.07 | 96 |
IV.FDMO.HHZ. | 2021-01-28T22:30:37.22 | 0.1 | undecidable | manual | P | 347 | 23.5542 | 113 | -0.1 | 96 |
IV.MMO1.EHZ. | 2021-01-28T22:30:36.02 | 0.1 | undecidable | manual | P | 61 | 16.2726 | 122 | -0.01 | 99 |
IV.MC2.EHZ. | 2021-01-28T22:30:35.41 | 0.1 | undecidable | manual | P | 19 | 9.5793 | 136 | 0.43 | 92 |
IV.NRCA.HHZ. | 2021-01-28T22:30:35.55 | 0.1 | undecidable | manual | S | 279 | 2.997 | 163 | -0.28 | 96 |
IV.NRCA.HHZ. | 2021-01-28T22:30:34.36 | 0.1 | negative | manual | P | 279 | 2.997 | 163 | 0.07 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.1 | 0.00022943155 | 0.1408 | AML | other | m | 2021-01-28T22:30:35.68 |
IV.NRCA.HHN. | ML:1.2 | 0.00028031405 | 0.1664 | AML | other | m | 2021-01-28T22:30:35.69 |
IV.NRCA.HNE. | ML:1.2 | 0.00025577345000000004 | 0.1792 | AML | other | m | 2021-01-28T22:30:35.61 |
IV.NRCA.HNN. | ML:1.1 | 0.00023632845 | 0.1152 | AML | other | m | 2021-01-28T22:30:36.17 |
IV.FDMO.HHE. | ML:0.2 | 0.000009070441000000001 | 0.2048 | AML | other | m | 2021-01-28T22:30:41.11 |
IV.FDMO.HHN. | ML:0.4 | 0.000012715802 | 0.1792 | AML | other | m | 2021-01-28T22:30:41.77 |
IV.CESI.HNE. | ML:1.2 | 0.000082597535 | 0 | AML | other | m | 2021-01-28T22:30:42.48 |
IV.CESI.HNN. | ML:1.3 | 0.000108623075 | 0.5376 | AML | other | m | 2021-01-28T22:30:42.29 |
IV.CESI.HHE. | ML:0.9 | 0.00003829707 | 0.2048 | AML | other | m | 2021-01-28T22:30:42.36 |
IV.CESI.HHN. | ML:0.9 | 0.000045717295 | 0.2048 | AML | other | m | 2021-01-28T22:30:42.27 |