Earthquake with magnitude of ML 0.5 on date 04-01-2022 and time 20:17:49 (Italy) in region 3 km S Visso (MC)

A magnitude ML 0.5 earthquake occured in region: 3 km S Visso (MC), on

  • 04-01-2022 19:17:49 (UTC)
  • 04-01-2022 20:17:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9090, 13.0960 at 16 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Visso MC 3 1107 1107
Castelsantangelo sul Nera MC 5 281 1388
Ussita MC 5 444 1832
Preci PG 6 724 2556
Monte Cavallo MC 12 145 2701
Norcia PG 13 4957 7658
Sellano PG 14 1079 8737
Fiordimonte MC 14 202 8939
Bolognola MC 14 142 9081
Acquacanina MC 15 121 9202
Fiastra MC 15 559 9761
Pieve Torina MC 16 1458 11219
Pievebovigliana MC 17 866 12085
Cerreto di Spoleto PG 18 1075 13160
Montemonaco AP 19 604 13764
Muccia MC 20 915 14679

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Foligno (57155 inhabitants)
53 Km NE of Terni (111501 inhabitants)
57 Km W of Teramo (54892 inhabitants)
62 Km E of Perugia (166134 inhabitants)
67 Km NW of L'Aquila (69753 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
97 Km W of Montesilvano (53738 inhabitants)
98 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 0.5 2022-01-04
19:17:49
42.9092 13.0957 16 2022-01-04
19:26:11
Sala Sismica INGV-Roma 99332951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-04 19:17:49 ± 0.47
Latitude 42.9092 ± 0.0090
Longitude 13.0957 ± 0.0233
Depth (km) 16 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 99332951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1685
Semi-minor axis of confidence ellipse (meter) 965
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 93
Circular confidence region, given by single value of horizontal uncertainty (meter) 1680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 187
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.19965
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 99332951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-04 19:26:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RESU.HHZ. 2022-01-04T19:19:28.21 3.0 undecidable manual Sn -6.67 0
IV.PZUN.HHZ. 2022-01-04T19:18:53.67 3.0 undecidable manual Sn -2.71 0
IT.ORP.HGZ. 2022-01-04T19:18:47.56 3.0 undecidable manual Sg 6.68 0
IV.MCRV.HHZ. 2022-01-04T19:18:46.17 3.0 undecidable manual Sn 1.77 0
IV.EUCT.HNZ. 2022-01-04T19:18:42.22 3.0 undecidable manual Pg 9.58 0
OT.OT15.EHZ. 2022-01-04T19:18:41.26 3.0 undecidable manual Pg 12.34 0
IV.PAOL.HHZ. 2022-01-04T19:18:32.55 3.0 undecidable manual Sn 0.8 0
GU.IMI.HHZ. 2022-01-04T19:18:27.22 3.0 undecidable manual Pn -2.86 0
IV.MSSA.HHZ. 2022-01-04T19:18:25.21 3.0 positive manual Pg 4.37 0
IV.MNTV.EHZ. 2022-01-04T19:18:19.28 3.0 negative manual Pn -5.13 0
IV.FNVD.HHZ. 2022-01-04T19:18:13.93 3.0 undecidable manual Pg 3.29 0
IV.IMOL.HNZ. 2022-01-04T19:18:13.53 3.0 negative manual Pg 1.95 0
IX.NSC3.EHZ.02 2022-01-04T19:18:12.20 3.0 undecidable manual Pn -1.19 0
IV.MCRV.HHZ. 2022-01-04T19:18:11.70 3.0 undecidable manual Pn -2.54 0
IV.FIR.HHZ. 2022-01-04T19:18:00.35 3.0 undecidable manual Pn -4.79 0
IV.CSP1.EHZ. 2022-01-04T19:17:58.24 0.6 undecidable manual S 24 22.1556 113 0.25 94
IV.MMO1.EHZ. 2022-01-04T19:17:56.77 0.6 undecidable manual S 93 18.87 119 -0.42 90
IV.FDMO.HHZ. 2022-01-04T19:17:55.68 0.6 undecidable manual S 357 14.1747 129 -0.48 89
IV.MC2.EHZ. 2022-01-04T19:17:55.43 0.6 undecidable manual S 88 7.5813 149 0.43 92
IV.NRCA.HHZ. 2022-01-04T19:17:55.09 0.6 undecidable manual S 170 8.4804 146 -0.04 100
IV.CSP1.EHZ. 2022-01-04T19:17:54.97 1.0 undecidable manual P 24 22.1556 113 0.63 43
IV.NRCA.HHZ. 2022-01-04T19:17:53.04 1.0 undecidable manual P 170 8.4804 146 0.35 47
IV.FDMO.HHZ. 2022-01-04T19:17:53.28 1.0 undecidable manual P 357 14.1747 129 0 49
IV.MMO1.EHZ. 2022-01-04T19:17:53.58 1.0 undecidable manual P 93 18.87 119 -0.3 46
IV.MC2.EHZ. 2022-01-04T19:17:52.54 0.6 undecidable manual P 88 7.5813 149 -0.07 99
IV.SRES.HHZ. 2022-01-04T19:17:45.96 3.0 undecidable manual S -3.16 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:0.3 0.000022398669999999997 0.1024 AML other m 2022-01-04T19:17:56.79
IV.NRCA.HHN. ML:0.3 0.0000191762685 0.1152 AML other m 2022-01-04T19:17:58.14
IV.FDMO.HHE. ML:0.3 0.000014562704 0.2176 AML other m 2022-01-04T19:17:56.77
IV.FDMO.HHN. ML:0.3 0.0000158065885 1.3696 AML other m 2022-01-04T19:18:05.54
IV.MMO1.EHE. ML:0.5 0.00001895269 0.8064 AML other m 2022-01-04T19:18:06.14
IV.MMO1.EHN. ML:0.5 0.000019556530000000004 1.0752 AML other m 2022-01-04T19:18:15.20
IV.MC2.EHE. ML:0.7 0.000048938749999999996 0.0768 AML other m 2022-01-04T19:17:55.83
IV.MC2.EHN. ML:0.8 0.000058521431 0.1152 AML other m 2022-01-04T19:17:55.87
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