A magnitude ML 1.4 earthquake occured in region: 4 km W Preci (PG), on
and geographic coordinates (lat, lon) 42.8900, 12.9990 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 |
Visso | MC | 9 | 1107 | 2910 |
Cerreto di Spoleto | PG | 10 | 1075 | 3985 |
Monte Cavallo | MC | 12 | 145 | 4130 |
Castelsantangelo sul Nera | MC | 13 | 281 | 4411 |
Ussita | MC | 13 | 444 | 4855 |
Norcia | PG | 13 | 4957 | 9812 |
Vallo di Nera | PG | 17 | 364 | 10176 |
Pieve Torina | MC | 18 | 1458 | 11634 |
Fiordimonte | MC | 18 | 202 | 11836 |
Cascia | PG | 19 | 3217 | 15053 |
Campello sul Clitunno | PG | 20 | 2442 | 17495 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.4 | 2021-12-25 10:33:42 |
42.89 | 12.9988 | 11 | 2021-12-25 10:53:05 |
Sala Sismica INGV-Roma | 98953571 |
Field | Value |
---|---|
Time (UTC) | 2021-12-25 10:33:42 ± 0.1 |
Latitude | 42.8900 ± 0.0054 |
Longitude | 12.9988 ± 0.0086 |
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 | 98953571 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 724 |
Semi-minor axis of confidence ellipse (meter) | 446 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 55 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 720.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 128 |
Number of associated phases, regardless of their use for origin computation | 23 |
Number of defining phases | 21 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.32 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.35793 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.4 |
Uncertainty | 0.2 |
Num. used stations | 14 |
Type of magnitude | ML |
Reference to an origin | 98953571 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-25 10:53:05 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.EL6.EHZ. | 2021-12-25T10:33:58.78 | 3.0 | undecidable | manual | S | -0.53 | 0 | |||
IV.MNTT.EHZ. | 2021-12-25T10:33:57.29 | 3.0 | undecidable | manual | S | -2.62 | 0 | |||
IV.SMA1.EHZ. | 2021-12-25T10:33:56.10 | 0.3 | undecidable | manual | S | 136 | 39.7269 | 50 | 0.61 | 62 |
IV.LNSS.HHZ. | 2021-12-25T10:33:53.08 | 0.3 | undecidable | manual | S | 174 | 32.0457 | 50 | -0.35 | 68 |
IV.ASSB.HHZ. | 2021-12-25T10:33:52.91 | 0.3 | undecidable | manual | S | 302 | 32.3454 | 50 | -0.62 | 63 |
IV.CSP1.EHZ. | 2021-12-25T10:33:52.17 | 0.3 | undecidable | manual | S | 37 | 27.9498 | 50 | -0.16 | 72 |
IV.MMO1.EHZ. | 2021-12-25T10:33:51.54 | 0.3 | undecidable | manual | S | 88 | 26.6511 | 50 | -0.46 | 67 |
IV.MML1.EHZ. | 2021-12-25T10:33:51.18 | 0.3 | undecidable | manual | S | 355 | 24.8529 | 50 | -0.34 | 69 |
IV.SMA1.EHZ. | 2021-12-25T10:33:50.34 | 0.1 | undecidable | manual | P | 136 | 39.7269 | 50 | 0.4 | 89 |
IV.GUMA.HHZ. | 2021-12-25T10:33:49.38 | 0.1 | undecidable | manual | P | 55 | 33.3444 | 50 | 0.42 | 89 |
IV.FDMO.HHZ. | 2021-12-25T10:33:49.57 | 0.3 | undecidable | manual | S | 24 | 17.7711 | 121 | -0.02 | 75 |
IV.CSP1.EHZ. | 2021-12-25T10:33:48.25 | 0.1 | undecidable | manual | P | 37 | 27.9498 | 50 | 0.13 | 96 |
IV.MC2.EHZ. | 2021-12-25T10:33:48.32 | 0.3 | undecidable | manual | S | 81 | 15.6732 | 125 | -0.64 | 64 |
IV.ASSB.HHZ. | 2021-12-25T10:33:48.81 | 0.1 | undecidable | manual | P | 302 | 32.3454 | 50 | 0 | 98 |
IV.LNSS.HHZ. | 2021-12-25T10:33:48.57 | 0.1 | undecidable | manual | P | 174 | 32.0457 | 50 | -0.18 | 94 |
IV.CESI.HHZ. | 2021-12-25T10:33:48.73 | 0.3 | undecidable | manual | S | 329 | 14.874 | 126 | -0.02 | 75 |
IV.MML1.EHZ. | 2021-12-25T10:33:47.94 | 0.1 | undecidable | manual | P | 355 | 24.8529 | 50 | 0.29 | 93 |
IV.NRCA.HHZ. | 2021-12-25T10:33:47.36 | 0.3 | undecidable | manual | S | 124 | 11.2776 | 134 | -0.44 | 70 |
IV.MMO1.EHZ. | 2021-12-25T10:33:47.94 | 0.1 | undecidable | manual | P | 88 | 26.6511 | 50 | 0.01 | 99 |
IV.CESI.HHZ. | 2021-12-25T10:33:46.32 | 0.1 | undecidable | manual | P | 329 | 14.874 | 126 | 0.27 | 96 |
IV.MC2.EHZ. | 2021-12-25T10:33:46.37 | 0.1 | undecidable | manual | P | 81 | 15.6732 | 125 | 0.19 | 97 |
IV.FDMO.HHZ. | 2021-12-25T10:33:46.72 | 0.1 | positive | manual | P | 24 | 17.7711 | 121 | 0.18 | 97 |
IV.NRCA.HHZ. | 2021-12-25T10:33:45.58 | 0.1 | positive | manual | P | 124 | 11.2776 | 134 | 0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.6 | 0.000501 | 0.58 | AML | other | m | 2021-12-25T10:33:47.37 |
IV.NRCA.HNN. | ML:1.6 | 0.0005265 | 0.84 | AML | other | m | 2021-12-25T10:33:47.37 |
IV.NRCA.HNE. | ML:1.6 | 0.0005235 | 0.6 | AML | other | m | 2021-12-25T10:33:48.88 |
IV.NRCA.HHE. | ML:1.6 | 0.000539 | 0.58 | AML | other | m | 2021-12-25T10:33:48.87 |
IV.CESI.HHN. | ML:1.5 | 0.00027400000000000005 | 0.36 | AML | other | m | 2021-12-25T10:33:49.18 |
IV.CESI.HHE. | ML:1.2 | 0.00014199999999999998 | 0.9 | AML | other | m | 2021-12-25T10:33:49.51 |
IV.FDMO.HHN. | ML:1.6 | 0.0003465 | 1.14 | AML | other | m | 2021-12-25T10:33:49.87 |
IV.FDMO.HHE. | ML:1.5 | 0.00027949999999999996 | 1.2 | AML | other | m | 2021-12-25T10:33:50.85 |
IV.MML1.EHE. | ML:1.1 | 0.00007115000000000001 | 0.22 | AML | other | m | 2021-12-25T10:33:52.16 |
IV.MMO1.EHN. | ML:1.4 | 0.0001455 | 0.48 | AML | other | m | 2021-12-25T10:33:52.17 |
IV.MML1.EHN. | ML:1.2 | 0.00009325 | 0.56 | AML | other | m | 2021-12-25T10:33:52.18 |
IV.MMO1.EHE. | ML:1.1 | 0.0000725 | 1.4 | AML | other | m | 2021-12-25T10:33:53.12 |
IV.ASSB.HHE. | ML:1.1 | 0.0000543 | 0.14 | AML | other | m | 2021-12-25T10:33:54.20 |
IV.ASSB.HHN. | ML:1.1 | 0.0000562 | 1.3 | AML | other | m | 2021-12-25T10:33:54.26 |