A magnitude ML 1.1 earthquake occured in region: 4 km NW Norcia (PG), on
and geographic coordinates (lat, lon) 42.8250, 13.0750 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 | 4 | 4957 | 4957 |
Preci | PG | 7 | 724 | 5681 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5962 |
Visso | MC | 12 | 1107 | 7069 |
Cascia | PG | 13 | 3217 | 10286 |
Cerreto di Spoleto | PG | 13 | 1075 | 11361 |
Sellano | PG | 14 | 1079 | 12440 |
Ussita | MC | 14 | 444 | 12884 |
Poggiodomo | PG | 17 | 117 | 13001 |
Vallo di Nera | PG | 18 | 364 | 13365 |
Arquata del Tronto | AP | 19 | 1178 | 14543 |
Monte Cavallo | MC | 20 | 145 | 14688 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-09-24 03:59:22 |
42.8252 | 13.075 | 10 | 2021-09-24 04:23:45 |
Sala Sismica INGV-Roma | 95808401 |
Field | Value |
---|---|
Time (UTC) | 2021-09-24 03:59:22 ± 0.05 |
Latitude | 42.8252 ± 0.0018 |
Longitude | 13.0750 ± 0.0049 |
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 | 95808401 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 369 |
Semi-minor axis of confidence ellipse (meter) | 140 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 282 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 370.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 100 |
Number of associated phases, regardless of their use for origin computation | 31 |
Number of defining phases | 30 |
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) | 0.50452 |
Number of stations at which the event was observed | 16 |
Number of stations from which data was used for origin computation | 15 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 23 |
Type of magnitude | ML |
Reference to an origin | 95808401 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-09-24 04:23:45 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.EL6.EHZ. | 2021-09-24T03:59:40.67 | 0.6 | undecidable | manual | S | 2 | 55.9995 | 50 | 0.97 | 34 |
IV.PP3.EHZ. | 2021-09-24T03:59:35.80 | 3.0 | negative | manual | P | 0.01 | 0 | |||
IV.RM33.EHZ. | 2021-09-24T03:59:34.72 | 0.1 | undecidable | manual | S | 162 | 36.8298 | 50 | 0.12 | 93 |
IV.ARRO.EHZ. | 2021-09-24T03:59:34.85 | 0.6 | undecidable | manual | S | 223 | 37.1295 | 50 | 0.17 | 46 |
IV.GUMA.HHZ. | 2021-09-24T03:59:33.87 | 0.1 | undecidable | manual | S | 39 | 33.744 | 50 | 0.09 | 94 |
IV.SMA1.EHZ. | 2021-09-24T03:59:32.63 | 0.1 | undecidable | manual | S | 135 | 30.2475 | 50 | -0.2 | 92 |
IV.CSP1.EHZ. | 2021-09-24T03:59:32.87 | 0.1 | undecidable | manual | S | 20 | 31.4463 | 50 | -0.27 | 91 |
IV.LNSS.HHZ. | 2021-09-24T03:59:31.18 | 0.1 | undecidable | manual | S | 187 | 24.8529 | 112 | -0.1 | 95 |
IV.EL6.EHZ. | 2021-09-24T03:59:31.95 | 0.6 | undecidable | manual | P | 2 | 55.9995 | 50 | -0.28 | 43 |
IV.CESI.HHZ. | 2021-09-24T03:59:30.85 | 0.1 | undecidable | manual | S | 325 | 24.2535 | 112 | -0.26 | 92 |
IV.FDMO.HHZ. | 2021-09-24T03:59:30.63 | 0.1 | undecidable | manual | S | 2 | 23.4543 | 113 | -0.22 | 93 |
IV.MMO1.EHZ. | 2021-09-24T03:59:29.98 | 0.1 | undecidable | manual | S | 68 | 22.0668 | 114 | -0.42 | 90 |
IV.RM33.EHZ. | 2021-09-24T03:59:29.06 | 1.0 | positive | manual | P | 162 | 36.8298 | 50 | -0.22 | 23 |
IV.GAVE.EHZ. | 2021-09-24T03:59:29.95 | 0.1 | undecidable | manual | S | 225 | 20.868 | 115 | -0.06 | 97 |
IV.ARRO.EHZ. | 2021-09-24T03:59:29.29 | 0.6 | undecidable | manual | P | 223 | 37.1295 | 50 | -0.04 | 47 |
IT.MTCL.HGE. | 2021-09-24T03:59:29.35 | 0.1 | undecidable | manual | S | 342 | 19.6692 | 116 | -0.31 | 92 |
IV.CSP1.EHZ. | 2021-09-24T03:59:28.36 | 0.3 | negative | manual | P | 20 | 31.4463 | 50 | -0.08 | 71 |
IV.FEMA.HNE. | 2021-09-24T03:59:28.59 | 0.1 | undecidable | manual | S | 352 | 15.3735 | 123 | 0.25 | 94 |
IV.MC2.EHZ. | 2021-09-24T03:59:28.09 | 0.1 | undecidable | manual | S | 44 | 13.2756 | 126 | 0.33 | 93 |
IV.GUMA.HHZ. | 2021-09-24T03:59:28.93 | 0.3 | undecidable | manual | P | 39 | 33.744 | 50 | 0.12 | 70 |
IV.SMA1.EHZ. | 2021-09-24T03:59:28.27 | 1.0 | undecidable | manual | P | 135 | 30.2475 | 50 | 0.01 | 24 |
IV.FDMO.HHZ. | 2021-09-24T03:59:27.10 | 0.1 | undecidable | manual | P | 2 | 23.4543 | 113 | -0.02 | 97 |
IV.CESI.HHZ. | 2021-09-24T03:59:27.24 | 0.3 | negative | manual | P | 325 | 24.2535 | 112 | -0.03 | 73 |
IV.LNSS.HHZ. | 2021-09-24T03:59:27.33 | 0.1 | undecidable | manual | P | 187 | 24.8529 | 112 | -0.03 | 97 |
IV.GAVE.EHZ. | 2021-09-24T03:59:26.79 | 0.3 | positive | manual | P | 225 | 20.868 | 115 | 0.16 | 71 |
IT.MTCL.HGE. | 2021-09-24T03:59:26.57 | 0.3 | undecidable | manual | P | 342 | 19.6692 | 116 | 0.14 | 71 |
IV.MMO1.EHZ. | 2021-09-24T03:59:26.78 | 0.6 | undecidable | manual | P | 68 | 22.0668 | 114 | -0.08 | 48 |
IV.NRCA.HNZ. | 2021-09-24T03:59:25.57 | 0.1 | undecidable | manual | S | 74 | 3.2967 | 161 | -0.04 | 100 |
IV.FEMA.HNE. | 2021-09-24T03:59:25.77 | 0.1 | undecidable | manual | P | 352 | 15.3735 | 123 | 0.1 | 97 |
IV.MC2.EHZ. | 2021-09-24T03:59:25.64 | 0.1 | negative | manual | P | 44 | 13.2756 | 126 | 0.31 | 93 |
IV.NRCA.HNZ. | 2021-09-24T03:59:24.34 | 0.1 | negative | manual | P | 74 | 3.2967 | 161 | 0.25 | 96 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HNN. | ML:1.8 | 0.0012999999999999997 | 0.06 | AML | other | m | 2021-09-24T03:59:25.64 |
IV.NRCA.HHN. | ML:1.9 | 0.001577261 | 0.0608 | AML | other | m | 2021-09-24T03:59:25.64 |
IV.NRCA.HNE. | ML:2.1 | 0.0025 | 0.06 | AML | other | m | 2021-09-24T03:59:25.76 |
IV.NRCA.HHE. | ML:2.2 | 0.0026169 | 0.0768 | AML | other | m | 2021-09-24T03:59:25.77 |
IV.GAVE.EHN. | ML:1.3 | 0.00014500000000000003 | 0.12 | AML | other | m | 2021-09-24T03:59:30.55 |
IV.CESI.HHN. | ML:1.2 | 0.00009975 | 1.76 | AML | other | m | 2021-09-24T03:59:30.95 |
IV.CESI.HHE. | ML:1.0 | 0.00006125 | 1.82 | AML | other | m | 2021-09-24T03:59:31.92 |
IV.GAVE.EHE. | ML:1.1 | 0.000087626645 | 0.1376 | AML | other | m | 2021-09-24T03:59:31.92 |
IV.LNSS.HHE. | ML:1.3 | 0.0001221882 | 0.0992 | AML | other | m | 2021-09-24T03:59:31.33 |
IV.LNSS.HHN. | ML:1.2 | 0.00009011695 | 0.1216 | AML | other | m | 2021-09-24T03:59:31.84 |
IV.SMA1.EHN. | ML:0.9 | 0.000040643554999999995 | 0.3008 | AML | other | m | 2021-09-24T03:59:35.61 |
IV.GUMA.HHN. | ML:1.3 | 0.000077747775 | 0.1792 | AML | other | m | 2021-09-24T03:59:34.59 |
IV.SMA1.EHE. | ML:1.0 | 0.0000519 | 0.34 | AML | other | m | 2021-09-24T03:59:35.36 |
IV.GUMA.HHE. | ML:1.2 | 0.00006205 | 0.28 | AML | other | m | 2021-09-24T03:59:36.21 |
IV.CESI.HNE. | ML:1.3 | 0.00011367565 | 0.7008 | AML | other | m | 2021-09-24T03:59:29.94 |
IV.CSP1.EHE. | ML:1.0 | 0.000046513360000000005 | 0.08 | AML | other | m | 2021-09-24T03:59:33.45 |
IV.CSP1.EHN. | ML:1.1 | 0.000055666475000000005 | 0.2592 | AML | other | m | 2021-09-24T03:59:33.22 |
IV.GUMA.HNE. | ML:1.6 | 0.000161598825 | 0.8608 | AML | other | m | 2021-09-24T03:59:37.02 |
IV.RM33.EHE. | ML:0.7 | 0.000022094804999999998 | 0.1824 | AML | other | m | 2021-09-24T03:59:35.75 |
IV.RM33.EHN. | ML:0.6 | 0.000015101740000000001 | 0.1024 | AML | other | m | 2021-09-24T03:59:35.34 |
IV.ARRO.EHE. | ML:0.7 | 0.000019240925 | 0.1408 | AML | other | m | 2021-09-24T03:59:35.76 |
IV.ARRO.EHN. | ML:0.7 | 0.00001786884 | 0.1408 | AML | other | m | 2021-09-24T03:59:38.04 |
IV.EL6.EHE. | ML:0.8 | 0.000014136695 | 0.1792 | AML | other | m | 2021-09-24T03:59:42.33 |