Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 16-01-2022 and time 22:42:43 (UTC) in region 4 km N Preci (PG)

A magnitude ML 1.1 earthquake occured in region: 4 km N Preci (PG), on

  • 16-01-2022 22:42:43 (UTC)
  • 16-01-2022 23:42:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9140, 13.0340 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Preci PG 4 724 724
Visso MC 5 1107 1831
Sellano PG 9 1079 2910
Monte Cavallo MC 9 145 3055
Ussita MC 9 444 3499
Castelsantangelo sul Nera MC 10 281 3780
Cerreto di Spoleto PG 14 1075 4855
Norcia PG 14 4957 9812
Fiordimonte MC 15 202 10014
Pieve Torina MC 15 1458 11472
Fiastra MC 17 559 12031
Pievebovigliana MC 17 866 12897
Acquacanina MC 17 121 13018
Bolognola MC 18 142 13160
Muccia MC 19 915 14075
Serravalle di Chienti MC 19 1070 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
50 Km NE of Terni (111501 inhabitants)
57 Km E of Perugia (166134 inhabitants)
62 Km W of Teramo (54892 inhabitants)
69 Km NW of L'Aquila (69753 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
94 Km NE of Viterbo (67173 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100 		ML 1.1 2022-01-16
22:42:43		 42.9143 13.0335 10 2022-01-16
22:56:32		 Sala Sismica INGV-Roma 99864301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-16 22:42:43 ± 0.06
Latitude 42.9143 ± 0.0027
Longitude 13.0335 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 99864301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 319
Semi-minor axis of confidence ellipse (meter) 274
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 198
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.09982
Epicentral distance of station farthest from the epicenter (degree) 0.41729
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 99864301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-16 22:56:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2022-01-16T22:42:58.84 0.3 undecidable manual S 7 46.3203 50 0.42 65
IV.SNTG.HHZ. 2022-01-16T22:42:56.16 0.3 undecidable manual S 349 38.5281 50 -0.18 69
IV.MF5.EHZ. 2022-01-16T22:42:55.81 0.3 undecidable manual S 77 35.5422 50 0.27 68
IV.ASSB.HHZ. 2022-01-16T22:42:54.85 0.1 undecidable manual S 295 33.5442 50 -0.17 93
IV.GUMA.HHZ. 2022-01-16T22:42:53.99 0.3 undecidable manual S 56 29.4483 50 0.07 72
IV.GAVE.EHZ. 2022-01-16T22:42:53.15 0.3 undecidable manual S 205 27.1506 110 -0.13 71
IV.MML1.EHZ. 2022-01-16T22:42:51.60 0.3 undecidable manual S 347 22.6551 113 -0.22 70
IV.EL6.EHZ. 2022-01-16T22:42:51.71 0.3 undecidable manual P 7 46.3203 50 -0.31 66
IV.MMO1.EHZ. 2022-01-16T22:42:51.75 0.1 undecidable manual S 94 23.8539 112 -0.47 89
IV.MF5.EHZ. 2022-01-16T22:42:50.58 0.1 undecidable manual P 77 35.5422 50 0.22 92
IV.SNTG.HHZ. 2022-01-16T22:42:50.83 0.1 undecidable manual P 349 38.5281 50 0.01 95
IV.CESI.HHZ. 2022-01-16T22:42:49.56 0.1 undecidable manual S 314 14.4744 124 0.23 95
IV.GAVE.EHZ. 2022-01-16T22:42:49.10 0.1 undecidable manual P 205 27.1506 110 0.05 96
IV.GUMA.HHZ. 2022-01-16T22:42:49.38 0.1 undecidable manual P 56 29.4483 50 -0.04 96
IV.ASSB.HHZ. 2022-01-16T22:42:49.88 0.1 undecidable manual P 295 33.5442 50 -0.17 93
IV.FDMO.HHZ. 2022-01-16T22:42:49.03 0.3 undecidable manual S 18 14.2746 124 -0.22 71
IV.MMO1.EHZ. 2022-01-16T22:42:48.21 0.1 undecidable manual P 94 23.8539 112 -0.23 93
IV.NRCA.HHZ. 2022-01-16T22:42:48.38 0.1 undecidable manual S 144 11.0778 131 -0.01 100
IV.MC2.EHZ. 2022-01-16T22:42:48.96 0.1 undecidable manual S 91 12.6762 127 0.16 97
IV.MML1.EHZ. 2022-01-16T22:42:48.16 0.3 undecidable manual P 347 22.6551 113 -0.06 73
IV.CESI.HHZ. 2022-01-16T22:42:47.05 0.1 undecidable manual P 314 14.4744 124 0.28 94
IV.MC2.EHZ. 2022-01-16T22:42:46.69 0.1 undecidable manual P 91 12.6762 127 0.22 96
IV.FDMO.HHZ. 2022-01-16T22:42:46.82 0.1 undecidable manual P 18 14.2746 124 0.09 98
IV.NRCA.HHZ. 2022-01-16T22:42:46.39 0.1 undecidable manual P 144 11.0778 131 0.16 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.4 0.00031999999999999997 0.2 AML other m 2022-01-16T22:42:48.66
IV.NRCA.HHN. ML:1.5 0.0003635 0.32 AML other m 2022-01-16T22:42:48.71
IV.FDMO.HHN. ML:1.0 0.0000885 0.2 AML other m 2022-01-16T22:42:49.31
IV.FDMO.HHE. ML:0.8 0.00005765 0.12 AML other m 2022-01-16T22:42:49.59
IV.CESI.HHN. ML:1.3 0.0002035 0.26 AML other m 2022-01-16T22:42:49.72
IV.CESI.HHE. ML:1.2 0.0001755 0.08 AML other m 2022-01-16T22:42:49.71
IV.MMO1.EHE. ML:1.1 0.00008635000000000001 0.36 AML other m 2022-01-16T22:42:52.03
IV.MMO1.EHN. ML:1.4 0.00014500000000000003 0.94 AML other m 2022-01-16T22:42:52.54
IV.GAVE.EHN. ML:0.9 0.0000383 0.18 AML other m 2022-01-16T22:42:53.88
IV.GAVE.EHE. ML:1.0 0.00005205 0.2 AML other m 2022-01-16T22:42:54.36
IV.ASSB.HHN. ML:0.9 0.0000329 0.18 AML other m 2022-01-16T22:42:55.16
IV.ASSB.HHE. ML:0.8 0.00003225 0.42 AML other m 2022-01-16T22:42:56.21
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download