A magnitude ML 1.1 earthquake occured in region: 4 km W Preci (PG), on
and geographic coordinates (lat, lon) 42.8810, 12.9920 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 | 5 | 1079 | 1803 |
Cerreto di Spoleto | PG | 9 | 1075 | 2878 |
Visso | MC | 10 | 1107 | 3985 |
Monte Cavallo | MC | 13 | 145 | 4130 |
Norcia | PG | 13 | 4957 | 9087 |
Castelsantangelo sul Nera | MC | 13 | 281 | 9368 |
Ussita | MC | 14 | 444 | 9812 |
Vallo di Nera | PG | 16 | 364 | 10176 |
Cascia | PG | 18 | 3217 | 13393 |
Campello sul Clitunno | PG | 19 | 2442 | 15835 |
Pieve Torina | MC | 19 | 1458 | 17293 |
Fiordimonte | MC | 19 | 202 | 17495 |
Poggiodomo | PG | 19 | 117 | 17612 |
Trevi | PG | 20 | 8469 | 26081 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-12-25 06:56:38 |
42.8808 | 12.9923 | 11 | 2021-12-25 07:16:12 |
Sala Sismica INGV-Roma | 98944881 |
Field | Value |
---|---|
Time (UTC) | 2021-12-25 06:56:38 ± 0.1 |
Latitude | 42.8808 ± 0.0045 |
Longitude | 12.9923 ± 0.0061 |
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 | 98944881 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 627 |
Semi-minor axis of confidence ellipse (meter) | 189 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 229 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 630.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 215 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.11 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.24551 |
Number of stations at which the event was observed | 18 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 98944881 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-25 07:16:12 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
AC.KBN.HHZ. | 2021-12-25T06:58:14.00 | 3.0 | undecidable | manual | Pg | 10.21 | 0 | |||
AC.VLO.HHZ. | 2021-12-25T06:58:03.38 | 3.0 | negative | manual | Pg | 11.66 | 0 | |||
IX.CSG3.HNZ.01 | 2021-12-25T06:57:50.03 | 3.0 | undecidable | manual | Sg | 1.48 | 0 | |||
OX.MPRI.HHZ. | 2021-12-25T06:57:40.53 | 3.0 | undecidable | manual | Pg | 14.75 | 0 | |||
IV.PLLN.EHZ. | 2021-12-25T06:57:30.93 | 3.0 | positive | manual | Pg | -4.67 | 0 | |||
IV.PZUN.HHZ. | 2021-12-25T06:57:14.78 | 3.0 | negative | manual | Pg | -1.28 | 0 | |||
IV.MCRV.HHZ. | 2021-12-25T06:57:05.12 | 3.0 | undecidable | manual | Pg | -4.42 | 0 | |||
IV.PESA.HHZ. | 2021-12-25T06:56:58.23 | 3.0 | negative | manual | Pg | 3.68 | 0 | |||
IV.CRTC.HHZ. | 2021-12-25T06:56:53.78 | 3.0 | positive | manual | Pg | 1.36 | 0 | |||
IV.CPGN.EHZ. | 2021-12-25T06:56:48.34 | 3.0 | undecidable | manual | Pn | -3.46 | 0 | |||
IV.MMO1.EHZ. | 2021-12-25T06:56:47.94 | 0.6 | undecidable | manual | S | 86 | 27.2505 | 50 | -0.06 | 49 |
IV.MML1.EHZ. | 2021-12-25T06:56:47.66 | 0.6 | undecidable | manual | S | 356 | 25.8519 | 50 | 0.04 | 49 |
IV.MC2.EHZ. | 2021-12-25T06:56:45.17 | 0.6 | undecidable | manual | S | 78 | 16.3725 | 123 | 0.26 | 48 |
IV.FDMO.HHZ. | 2021-12-25T06:56:45.51 | 0.6 | undecidable | manual | S | 24 | 18.87 | 119 | -0.17 | 48 |
IV.CESI.HHZ. | 2021-12-25T06:56:44.64 | 0.6 | undecidable | manual | S | 333 | 15.4734 | 124 | -0.03 | 50 |
IV.MML1.EHZ. | 2021-12-25T06:56:43.76 | 1.0 | undecidable | manual | P | 356 | 25.8519 | 50 | 0.14 | 24 |
IV.NRCA.HHZ. | 2021-12-25T06:56:43.28 | 0.6 | undecidable | manual | S | 118 | 11.1777 | 133 | -0.23 | 48 |
IV.MMO1.EHZ. | 2021-12-25T06:56:43.72 | 0.6 | undecidable | manual | P | 86 | 27.2505 | 50 | -0.12 | 48 |
IV.RIBO.EHZ.01 | 2021-12-25T06:56:42.82 | 3.0 | undecidable | manual | P | -3.38 | 0 | |||
IV.CESI.HHZ. | 2021-12-25T06:56:42.03 | 1.0 | undecidable | manual | P | 333 | 15.4734 | 124 | 0.11 | 25 |
IV.MC2.EHZ. | 2021-12-25T06:56:42.16 | 0.3 | undecidable | manual | P | 78 | 16.3725 | 123 | 0.1 | 74 |
IV.FDMO.HHZ. | 2021-12-25T06:56:42.47 | 0.1 | positive | manual | P | 24 | 18.87 | 119 | -0.03 | 99 |
IV.NRCA.HHZ. | 2021-12-25T06:56:41.30 | 0.1 | positive | manual | P | 118 | 11.1777 | 133 | 0.05 | 100 |
IV.SACS.HHZ. | 2021-12-25T06:56:40.42 | 3.0 | undecidable | manual | P | 4.03 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.2 | 0.000194 | 0.08 | AML | other | m | 2021-12-25T06:56:43.59 |
IV.NRCA.HHN. | ML:1.3 | 0.00023249999999999999 | 0.62 | AML | other | m | 2021-12-25T06:56:44.44 |
IV.CESI.HHN. | ML:1.0 | 0.00009295000000000001 | 1.64 | AML | other | m | 2021-12-25T06:56:44.94 |
IV.CESI.HHE. | ML:0.7 | 0.0000505 | 1.12 | AML | other | m | 2021-12-25T06:56:45.82 |
IV.FDMO.HHN. | ML:1.1 | 0.00009389999999999999 | 1.14 | AML | other | m | 2021-12-25T06:56:45.62 |
IV.FDMO.HHE. | ML:1.0 | 0.00008485 | 1.88 | AML | other | m | 2021-12-25T06:56:46.00 |