A magnitude ML 0.8 earthquake occured in region: 2 km W Preci (PG), on
and geographic coordinates (lat, lon) 42.8850, 13.0170 at 10 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 | 7 | 1079 | 1803 |
Visso | MC | 8 | 1107 | 2910 |
Cerreto di Spoleto | PG | 11 | 1075 | 3985 |
Castelsantangelo sul Nera | MC | 11 | 281 | 4266 |
Ussita | MC | 12 | 444 | 4710 |
Norcia | PG | 12 | 4957 | 9667 |
Monte Cavallo | MC | 12 | 145 | 9812 |
Vallo di Nera | PG | 18 | 364 | 10176 |
Fiordimonte | MC | 18 | 202 | 10378 |
Pieve Torina | MC | 18 | 1458 | 11836 |
Cascia | PG | 18 | 3217 | 15053 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-12-25 06:45:25 |
42.885 | 13.0167 | 10 | 2021-12-25 07:20:18 |
Sala Sismica INGV-Roma | 98945191 |
Field | Value |
---|---|
Time (UTC) | 2021-12-25 06:45:25 ± 0.4 |
Latitude | 42.8850 ± 0.0090 |
Longitude | 13.0167 ± 0.0233 |
Depth (km) | 10 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 98945191 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1502 |
Semi-minor axis of confidence ellipse (meter) | 1371 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 72 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1500.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 251 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.25 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.16008 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.2 |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 98945191 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-25 07:20:18 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
OX.ACOM.HHZ. | 2021-12-25T06:46:59.31 | 3.0 | undecidable | manual | Sn | 2.1 | 0 | |||
CR.STON.BHZ. | 2021-12-25T06:46:41.66 | 3.0 | undecidable | manual | Sn | -1.47 | 0 | |||
IV.MSSA.HHZ. | 2021-12-25T06:46:40.14 | 3.0 | undecidable | manual | Sn | 4.15 | 0 | |||
IV.ESML.HHZ. | 2021-12-25T06:46:32.21 | 3.0 | negative | manual | Pg | 18.48 | 0 | |||
IX.RSF3.HHZ.02 | 2021-12-25T06:46:21.32 | 3.0 | undecidable | manual | Sg | 4.25 | 0 | |||
IV.BLLA.EHZ. | 2021-12-25T06:46:13.11 | 3.0 | undecidable | manual | Sg | 2.06 | 0 | |||
IV.STAL.HHZ. | 2021-12-25T06:46:11.43 | 3.0 | undecidable | manual | Pg | 11.07 | 0 | |||
IV.MPAG.EHZ. | 2021-12-25T06:45:58.57 | 3.0 | undecidable | manual | Sn | -5 | 0 | |||
IX.RSF3.HHZ.02 | 2021-12-25T06:45:45.52 | 3.0 | positive | manual | Pn | 4.06 | 0 | |||
IV.CPGN.EHZ. | 2021-12-25T06:45:42.12 | 3.0 | undecidable | manual | Pg | 6.51 | 0 | |||
IV.MTMR.HNZ. | 2021-12-25T06:45:40.64 | 3.0 | positive | manual | Pn | -0.2 | 0 | |||
IV.GIUL.HHZ. | 2021-12-25T06:45:36.51 | 3.0 | undecidable | manual | Pg | 5.08 | 0 | |||
IV.PTRJ.HHZ. | 2021-12-25T06:45:32.72 | 3.0 | undecidable | manual | P | -3.2 | 0 | |||
IV.FDMO.HHZ. | 2021-12-25T06:45:31.90 | 0.6 | undecidable | manual | S | 19 | 17.7711 | 119 | -0.36 | 49 |
IV.MC2.EHZ. | 2021-12-25T06:45:31.50 | 0.6 | undecidable | manual | S | 78 | 14.2746 | 124 | 0.26 | 50 |
IV.FDMO.HHZ. | 2021-12-25T06:45:29.08 | 0.3 | positive | manual | P | 19 | 17.7711 | 119 | -0.21 | 76 |
IV.FEMA.HNZ. | 2021-12-25T06:45:29.86 | 0.3 | undecidable | manual | S | 17 | 8.9799 | 138 | 0.02 | 80 |
IV.NRCA.HHZ. | 2021-12-25T06:45:29.80 | 0.6 | undecidable | manual | S | 126 | 9.7791 | 135 | -0.23 | 51 |
IV.MC2.EHZ. | 2021-12-25T06:45:28.78 | 0.6 | undecidable | manual | P | 78 | 14.2746 | 124 | 0.08 | 52 |
IV.BARO.EHZ. | 2021-12-25T06:45:28.42 | 3.0 | undecidable | manual | Pn | -2.34 | 0 | |||
IV.FEMA.HNZ. | 2021-12-25T06:45:28.22 | 0.1 | undecidable | manual | P | 17 | 8.9799 | 138 | 0.33 | 100 |
IV.NRCA.HHZ. | 2021-12-25T06:45:27.92 | 0.3 | undecidable | manual | P | 126 | 9.7791 | 135 | -0.08 | 79 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:0.8 | 0.00008785 | 0.08 | AML | other | m | 2021-12-25T06:45:30.19 |
IV.NRCA.HHN. | ML:0.8 | 0.0000872 | 1.38 | AML | other | m | 2021-12-25T06:45:30.74 |
IV.FDMO.HHN. | ML:0.6 | 0.00003685 | 0.14 | AML | other | m | 2021-12-25T06:45:32.30 |
IV.FDMO.HHE. | ML:0.6 | 0.000037449999999999995 | 0.8 | AML | other | m | 2021-12-25T06:45:32.21 |
IV.GAVE.EHE. | ML:1.3 | 0.0001215 | 0.58 | AML | other | m | 2021-12-25T06:46:05.62 |
IV.GAVE.EHN. | ML:1.3 | 0.0001518 | 0.9 | AML | other | m | 2021-12-25T06:46:28.75 |