A magnitude ML 1.1 earthquake occured in region: 4 km W Preci (PG), on
and geographic coordinates (lat, lon) 42.8720, 12.9930 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 |
---|---|---|---|---|
Preci | PG | 4 | 724 | 724 |
Sellano | PG | 6 | 1079 | 1803 |
Cerreto di Spoleto | PG | 9 | 1075 | 2878 |
Visso | MC | 10 | 1107 | 3985 |
Norcia | PG | 12 | 4957 | 8942 |
Castelsantangelo sul Nera | MC | 13 | 281 | 9223 |
Monte Cavallo | MC | 14 | 145 | 9368 |
Ussita | MC | 14 | 444 | 9812 |
Vallo di Nera | PG | 16 | 364 | 10176 |
Cascia | PG | 17 | 3217 | 13393 |
Campello sul Clitunno | PG | 18 | 2442 | 15835 |
Poggiodomo | PG | 18 | 117 | 15952 |
Pieve Torina | MC | 20 | 1458 | 17410 |
Trevi | PG | 20 | 8469 | 25879 |
Sant'Anatolia di Narco | PG | 20 | 564 | 26443 |
Fiordimonte | MC | 20 | 202 | 26645 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-12-25 06:33:49 |
42.8725 | 12.9928 | 11 | 2021-12-25 06:44:17 |
Sala Sismica INGV-Roma | 98944021 |
Field | Value |
---|---|
Time (UTC) | 2021-12-25 06:33:49 ± 0.08 |
Latitude | 42.8725 ± 0.0036 |
Longitude | 12.9928 ± 0.0061 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 98944021 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 457 |
Semi-minor axis of confidence ellipse (meter) | 330 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 236 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 460.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 132 |
Number of associated phases, regardless of their use for origin computation | 29 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29768 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 98944021 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-25 06:44:17 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MCRV.HHZ. | 2021-12-25T06:35:10.45 | 3.0 | undecidable | manual | Sg | 2.03 | 0 | |||
GU.BURY.HHZ. | 2021-12-25T06:35:02.15 | 3.0 | undecidable | manual | Pg | 10.54 | 0 | |||
IV.TDS.HHZ. | 2021-12-25T06:34:52.14 | 3.0 | undecidable | manual | Pn | -1.23 | 0 | |||
IV.MCRV.HHZ. | 2021-12-25T06:34:37.83 | 3.0 | undecidable | manual | Pg | 4.17 | 0 | |||
IV.RIBO.EHZ.01 | 2021-12-25T06:34:34.99 | 3.0 | undecidable | manual | S | -0.82 | 0 | |||
IV.RMP.HHZ. | 2021-12-25T06:34:24.12 | 3.0 | undecidable | manual | S | -4 | 0 | |||
IV.PTRJ.HHZ. | 2021-12-25T06:34:23.64 | 3.0 | undecidable | manual | Pg | 0.35 | 0 | |||
IV.SACS.HHZ. | 2021-12-25T06:34:16.53 | 3.0 | undecidable | manual | S | -0.27 | 0 | |||
IV.ASSB.HHZ. | 2021-12-25T06:34:00.51 | 0.3 | undecidable | manual | S | 305 | 33.0447 | 91 | 0.17 | 71 |
IV.CSP1.EHZ. | 2021-12-25T06:33:59.25 | 0.1 | undecidable | manual | S | 35 | 29.748 | 91 | -0.22 | 95 |
IV.LNSS.HHZ. | 2021-12-25T06:33:59.25 | 0.3 | undecidable | manual | S | 173 | 30.1476 | 91 | -0.32 | 66 |
IV.MML1.EHZ. | 2021-12-25T06:33:58.67 | 0.3 | undecidable | manual | S | 356 | 26.751 | 91 | 0 | 73 |
IV.MC2.EHZ. | 2021-12-25T06:33:56.14 | 0.1 | undecidable | manual | S | 75 | 16.4724 | 94 | 0.21 | 96 |
IV.FDMO.HHZ. | 2021-12-25T06:33:56.57 | 0.1 | undecidable | manual | S | 23 | 19.7691 | 92 | -0.22 | 97 |
IV.CSP1.EHZ. | 2021-12-25T06:33:55.18 | 0.1 | undecidable | manual | P | 35 | 29.748 | 91 | 0.1 | 96 |
IV.ASSB.HHZ. | 2021-12-25T06:33:55.73 | 0.3 | undecidable | manual | P | 305 | 33.0447 | 91 | 0.16 | 71 |
IV.CESI.HHZ. | 2021-12-25T06:33:55.83 | 0.1 | undecidable | manual | S | 334 | 16.3725 | 94 | -0.05 | 100 |
IV.LNSS.HHZ. | 2021-12-25T06:33:55.09 | 0.3 | undecidable | manual | P | 173 | 30.1476 | 91 | -0.04 | 71 |
IV.GAVE.EHZ. | 2021-12-25T06:33:54.74 | 3.0 | undecidable | manual | P | 1.73 | 0 | |||
IT.MTCL.HGZ. | 2021-12-25T06:33:54.71 | 0.3 | undecidable | manual | S | 2 | 13.4754 | 103 | -0.42 | 70 |
IV.MML1.EHZ. | 2021-12-25T06:33:54.59 | 0.3 | undecidable | manual | P | 356 | 26.751 | 91 | -0.02 | 74 |
IV.FEMA.HNZ. | 2021-12-25T06:33:54.42 | 0.3 | undecidable | manual | S | 25 | 10.9779 | 116 | -0.08 | 76 |
IV.NRCA.HHZ. | 2021-12-25T06:33:54.42 | 0.1 | undecidable | manual | S | 114 | 10.7781 | 117 | -0.03 | 100 |
IV.CESI.HHZ. | 2021-12-25T06:33:53.26 | 0.1 | undecidable | manual | P | 334 | 16.3725 | 94 | 0.26 | 95 |
IV.MC2.EHZ. | 2021-12-25T06:33:53.31 | 0.1 | undecidable | manual | P | 75 | 16.4724 | 94 | 0.28 | 95 |
IV.FDMO.HHZ. | 2021-12-25T06:33:53.63 | 0.1 | positive | manual | P | 23 | 19.7691 | 92 | 0.1 | 97 |
IV.NRCA.HHZ. | 2021-12-25T06:33:52.47 | 0.1 | positive | manual | P | 114 | 10.7781 | 117 | 0.29 | 96 |
IT.MTCL.HGZ. | 2021-12-25T06:33:52.43 | 0.3 | undecidable | manual | P | 2 | 13.4754 | 103 | -0.14 | 74 |
IV.FEMA.HNZ. | 2021-12-25T06:33:51.97 | 0.3 | undecidable | manual | P | 25 | 10.9779 | 116 | -0.23 | 73 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.2 | 0.000192 | 0.56 | AML | other | m | 2021-12-25T06:33:54.54 |
IV.NRCA.HHE. | ML:1.2 | 0.00017549999999999998 | 0.08 | AML | other | m | 2021-12-25T06:33:54.76 |
IV.FDMO.HHN. | ML:1.0 | 0.0000804 | 1.14 | AML | other | m | 2021-12-25T06:33:56.79 |
IV.FDMO.HHE. | ML:1.0 | 0.00006695 | 0.12 | AML | other | m | 2021-12-25T06:33:57.17 |
IV.MC2.EHE. | ML:0.9 | 0.00006775000000000001 | 0.48 | AML | other | m | 2021-12-25T06:33:57.40 |
IV.MC2.EHN. | ML:0.9 | 0.00007115000000000001 | 0.68 | AML | other | m | 2021-12-25T06:33:58.20 |
IV.LNSS.HHN. | ML:1.4 | 0.000117 | 1.04 | AML | other | m | 2021-12-25T06:34:02.06 |
IV.LNSS.HHE. | ML:1.3 | 0.00009525 | 0.64 | AML | other | m | 2021-12-25T06:34:02.98 |