A magnitude ML 1.1 earthquake occured in region: 2 km W Preci (PG), on
and geographic coordinates (lat, lon) 42.8780, 13.0200 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 | 2 | 724 | 724 |
Sellano | PG | 8 | 1079 | 1803 |
Visso | MC | 8 | 1107 | 2910 |
Cerreto di Spoleto | PG | 11 | 1075 | 3985 |
Castelsantangelo sul Nera | MC | 11 | 281 | 4266 |
Norcia | PG | 11 | 4957 | 9223 |
Ussita | MC | 12 | 444 | 9667 |
Monte Cavallo | MC | 13 | 145 | 9812 |
Vallo di Nera | PG | 18 | 364 | 10176 |
Cascia | PG | 18 | 3217 | 13393 |
Fiordimonte | MC | 19 | 202 | 13595 |
Pieve Torina | MC | 19 | 1458 | 15053 |
Poggiodomo | PG | 20 | 117 | 15170 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-12-28 21:33:19 |
42.878 | 13.0205 | 11 | 2021-12-28 21:45:24 |
Sala Sismica INGV-Roma | 99088581 |
Field | Value |
---|---|
Time (UTC) | 2021-12-28 21:33:19 ± 0.04 |
Latitude | 42.8780 ± 0.0018 |
Longitude | 13.0205 ± 0.0049 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 99088581 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 378 |
Semi-minor axis of confidence ellipse (meter) | 228 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 79 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 380.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 119 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.27519 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 99088581 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-28 21:45:24 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.IMOL.HNZ. | 2021-12-28T21:33:51.54 | 3.0 | positive | manual | Pg | 0.13 | 0 | |||
IV.LNSS.HHE. | 2021-12-28T21:33:30.20 | 0.6 | undecidable | manual | S | 177 | 30.5472 | 50 | 0.03 | 48 |
IV.GAVE.EHZ. | 2021-12-28T21:33:28.04 | 0.6 | undecidable | manual | S | 207 | 23.0547 | 50 | -0.13 | 48 |
IV.MMO1.EHZ. | 2021-12-28T21:33:28.56 | 0.6 | undecidable | manual | S | 84 | 25.0527 | 50 | -0.13 | 47 |
IV.CESI.HHZ. | 2021-12-28T21:33:26.46 | 0.6 | undecidable | manual | S | 326 | 16.9719 | 50 | -0.08 | 49 |
IV.FDMO.HHZ. | 2021-12-28T21:33:26.75 | 0.6 | undecidable | manual | S | 17 | 18.3705 | 50 | -0.18 | 48 |
IV.LNSS.HHE. | 2021-12-28T21:33:25.65 | 0.1 | undecidable | manual | P | 177 | 30.5472 | 50 | -0.03 | 96 |
IV.MC2.EHZ. | 2021-12-28T21:33:25.95 | 0.6 | undecidable | manual | S | 75 | 14.1747 | 128 | 0.19 | 48 |
IT.MTCL.HGE. | 2021-12-28T21:33:25.24 | 0.6 | undecidable | manual | S | 352 | 12.9759 | 130 | -0.19 | 48 |
IV.NRCA.HHZ. | 2021-12-28T21:33:24.17 | 0.6 | undecidable | manual | S | 123 | 9.0798 | 140 | -0.31 | 47 |
IV.FEMA.HNE. | 2021-12-28T21:33:24.56 | 0.6 | undecidable | manual | S | 14 | 9.5793 | 139 | -0.04 | 50 |
IV.GAVE.EHZ. | 2021-12-28T21:33:24.61 | 0.3 | positive | manual | P | 207 | 23.0547 | 50 | 0.09 | 72 |
IV.MMO1.EHZ. | 2021-12-28T21:33:24.91 | 1.0 | undecidable | manual | P | 84 | 25.0527 | 50 | 0.08 | 24 |
IV.MC2.EHZ. | 2021-12-28T21:33:23.75 | 1.0 | positive | manual | P | 75 | 14.1747 | 128 | 0.62 | 21 |
IV.FDMO.HHZ. | 2021-12-28T21:33:23.84 | 0.1 | positive | manual | P | 17 | 18.3705 | 50 | 0.04 | 98 |
IV.CESI.HHZ. | 2021-12-28T21:33:23.70 | 0.1 | positive | manual | P | 326 | 16.9719 | 50 | 0.12 | 97 |
IT.MTCL.HGE. | 2021-12-28T21:33:22.98 | 0.1 | undecidable | manual | P | 352 | 12.9759 | 130 | 0.03 | 99 |
IV.NRCA.HHZ. | 2021-12-28T21:33:22.41 | 0.1 | negative | manual | P | 123 | 9.0798 | 140 | 0.01 | 100 |
IV.FEMA.HNE. | 2021-12-28T21:33:22.45 | 0.1 | undecidable | manual | P | 14 | 9.5793 | 139 | -0.01 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.2 | 0.00019800000000000002 | 0.14 | AML | other | m | 2021-12-28T21:33:24.20 |
IV.NRCA.HHE. | ML:1.3 | 0.000234 | 0.12 | AML | other | m | 2021-12-28T21:33:24.45 |
IV.CESI.HHN. | ML:1.1 | 0.00010250000000000001 | 0.34 | AML | other | m | 2021-12-28T21:33:26.73 |
IV.CESI.HHE. | ML:0.9 | 0.00006989999999999999 | 1.86 | AML | other | m | 2021-12-28T21:33:26.99 |
IV.FDMO.HHN. | ML:0.8 | 0.000048599999999999995 | 0.22 | AML | other | m | 2021-12-28T21:33:27.14 |
IV.FDMO.HHE. | ML:1.1 | 0.00009025 | 0.22 | AML | other | m | 2021-12-28T21:33:27.20 |
IV.GAVE.EHN. | ML:1.2 | 0.00009259999999999999 | 0.56 | AML | other | m | 2021-12-28T21:33:28.63 |
IV.GAVE.EHE. | ML:1.2 | 0.00009255 | 1.02 | AML | other | m | 2021-12-28T21:33:28.77 |
IV.MMO1.EHN. | ML:1.0 | 0.0000639 | 1.52 | AML | other | m | 2021-12-28T21:33:28.80 |
IV.MMO1.EHE. | ML:0.8 | 0.0000401 | 0.88 | AML | other | m | 2021-12-28T21:33:28.37 |