A magnitude ML 1.2 earthquake occured in region: 1 km S Norcia (PG), on
and geographic coordinates (lat, lon) 42.7880, 13.0930 at 11 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 |
Cascia | PG | 10 | 3217 | 8174 |
Preci | PG | 11 | 724 | 8898 |
Castelsantangelo sul Nera | MC | 13 | 281 | 9179 |
Cerreto di Spoleto | PG | 15 | 1075 | 10254 |
Poggiodomo | PG | 15 | 117 | 10371 |
Visso | MC | 16 | 1107 | 11478 |
Accumoli | RI | 16 | 667 | 12145 |
Arquata del Tronto | AP | 17 | 1178 | 13323 |
Sellano | PG | 18 | 1079 | 14402 |
Ussita | MC | 18 | 444 | 14846 |
Vallo di Nera | PG | 19 | 364 | 15210 |
Monteleone di Spoleto | PG | 19 | 599 | 15809 |
Cittareale | RI | 20 | 482 | 16291 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-10-24 12:39:20 |
42.7877 | 13.0932 | 11 | 2021-10-24 12:45:26 |
Sala Sismica INGV-Roma | 96949961 |
Field | Value |
---|---|
Time (UTC) | 2021-10-24 12:39:20 ± 0.05 |
Latitude | 42.7877 ± 0.0018 |
Longitude | 13.0932 ± 0.0025 |
Depth (km) | 11 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 96949961 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 210 |
Semi-minor axis of confidence ellipse (meter) | 140 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 313 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 210.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 91 |
Number of associated phases, regardless of their use for origin computation | 26 |
Number of defining phases | 23 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.33725 |
Number of stations at which the event was observed | 15 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 96949961 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-24 12:45:26 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CPGN.EHZ. | 2021-10-24T12:39:58.30 | 3.0 | undecidable | manual | S | -0.73 | 0 | |||
IV.EL6.EHZ. | 2021-10-24T12:39:40.13 | 3.0 | undecidable | manual | S | 0.73 | 0 | |||
IV.MF5.EHZ. | 2021-10-24T12:39:32.36 | 0.3 | undecidable | manual | S | 53 | 37.1295 | 90 | -0.09 | 72 |
IV.CSP1.EHZ. | 2021-10-24T12:39:31.90 | 0.3 | undecidable | manual | S | 15 | 34.9428 | 90 | 0.05 | 72 |
IV.RM33.EHZ. | 2021-10-24T12:39:30.95 | 0.3 | undecidable | manual | S | 162 | 32.4453 | 90 | -0.24 | 70 |
IV.FDMO.HHZ. | 2021-10-24T12:39:29.84 | 0.3 | undecidable | manual | S | 359 | 27.6501 | 90 | -0.06 | 72 |
IV.SMA1.EHZ. | 2021-10-24T12:39:29.56 | 0.3 | undecidable | manual | S | 131 | 26.3514 | 90 | 0 | 73 |
IV.CESI.HHZ. | 2021-10-24T12:39:29.85 | 0.3 | undecidable | manual | S | 328 | 28.5492 | 90 | -0.3 | 68 |
IV.MTRA.EHZ. | 2021-10-24T12:39:28.81 | 0.3 | undecidable | manual | S | 98 | 24.9528 | 90 | -0.38 | 69 |
IV.TERO.HHZ. | 2021-10-24T12:39:28.22 | 3.0 | undecidable | manual | P | -0.37 | 0 | |||
IV.MML1.EHZ. | 2021-10-24T12:39:27.19 | 1.0 | undecidable | manual | P | 345 | 37.4292 | 90 | -0.07 | 24 |
IV.MC2.EHZ. | 2021-10-24T12:39:27.00 | 0.3 | undecidable | manual | S | 30 | 15.7731 | 90 | 0.26 | 71 |
IV.GAVE.EHZ. | 2021-10-24T12:39:27.97 | 0.3 | undecidable | manual | S | 237 | 19.3695 | 90 | 0.27 | 71 |
IV.MF5.EHZ. | 2021-10-24T12:39:27.72 | 1.0 | positive | manual | P | 53 | 37.1295 | 90 | 0.5 | 21 |
IV.LNSS.HHZ. | 2021-10-24T12:39:27.79 | 0.6 | undecidable | manual | S | 192 | 20.9679 | 90 | -0.33 | 47 |
IV.RM33.EHZ. | 2021-10-24T12:39:26.62 | 0.6 | undecidable | manual | P | 162 | 32.4453 | 90 | 0.13 | 47 |
IV.CSP1.EHZ. | 2021-10-24T12:39:26.83 | 0.6 | negative | manual | P | 15 | 34.9428 | 90 | -0.05 | 48 |
IV.SMA1.EHZ. | 2021-10-24T12:39:25.84 | 0.6 | negative | manual | P | 131 | 26.3514 | 90 | 0.29 | 46 |
IV.CESI.HHZ. | 2021-10-24T12:39:25.95 | 0.3 | negative | manual | P | 328 | 28.5492 | 90 | 0.06 | 73 |
IV.MTRA.EHZ. | 2021-10-24T12:39:25.32 | 1.0 | undecidable | manual | P | 98 | 24.9528 | 90 | -0.01 | 25 |
IV.FDMO.HHZ. | 2021-10-24T12:39:25.77 | 0.6 | positive | manual | P | 359 | 27.6501 | 90 | 0.03 | 49 |
IV.GAVE.EHZ. | 2021-10-24T12:39:24.50 | 0.3 | positive | manual | P | 237 | 19.3695 | 90 | 0.03 | 74 |
IV.NRCA.HHZ. | 2021-10-24T12:39:24.21 | 0.6 | undecidable | manual | S | 19 | 5.3946 | 146 | -0.13 | 50 |
IV.LNSS.HHZ. | 2021-10-24T12:39:24.63 | 0.1 | positive | manual | P | 192 | 20.9679 | 90 | -0.09 | 98 |
IV.MC2.EHZ. | 2021-10-24T12:39:24.06 | 0.1 | undecidable | manual | P | 30 | 15.7731 | 90 | 0.14 | 97 |
IV.NRCA.HHZ. | 2021-10-24T12:39:22.63 | 0.1 | undecidable | manual | P | 19 | 5.3946 | 146 | 0.09 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHE. | ML:1.5 | 0.00023449999999999998 | 0.48 | AML | other | m | 2021-10-24T12:39:28.27 |
IV.GAVE.EHE. | ML:1.4 | 0.00017199999999999998 | 1.1 | AML | other | m | 2021-10-24T12:39:28.31 |
IV.LNSS.HHN. | ML:1.5 | 0.00020850000000000003 | 0.58 | AML | other | m | 2021-10-24T12:39:28.68 |
IV.GAVE.EHN. | ML:1.3 | 0.00015 | 1.48 | AML | other | m | 2021-10-24T12:39:29.07 |
IV.MTRA.EHE. | ML:1.4 | 0.0001325 | 0.1 | AML | other | m | 2021-10-24T12:39:29.77 |
IV.MTRA.EHN. | ML:1.1 | 0.00007835000000000001 | 0.36 | AML | other | m | 2021-10-24T12:39:29.97 |
IV.FDMO.HHE. | ML:1.0 | 0.000054550000000000005 | 0.22 | AML | other | m | 2021-10-24T12:39:30.06 |
IV.FDMO.HHN. | ML:1.1 | 0.00005865 | 0.92 | AML | other | m | 2021-10-24T12:39:30.53 |
IV.CESI.HHE. | ML:1.1 | 0.000064 | 0.48 | AML | other | m | 2021-10-24T12:39:30.30 |
IV.CESI.HHN. | ML:1.3 | 0.00010214999999999999 | 0.28 | AML | other | m | 2021-10-24T12:39:30.55 |
IV.SMA1.EHE. | ML:1.0 | 0.0000623 | 1.24 | AML | other | m | 2021-10-24T12:39:32.28 |
IV.SMA1.EHN. | ML:1.1 | 0.00007425 | 0.36 | AML | other | m | 2021-10-24T12:39:34.31 |