Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 18-03-2022 and time 18:10:18 (Italy) in region 3 km W Visso (MC)

A magnitude ML 1.1 earthquake occured in region: 3 km W Visso (MC), on

  • 18-03-2022 17:10:18 (UTC)
  • 18-03-2022 18:10:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9410, 13.0550 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Visso MC 3 1107 1107
Ussita MC 7 444 1551
Preci PG 7 724 2275
Monte Cavallo MC 7 145 2420
Castelsantangelo sul Nera MC 10 281 2701
Fiordimonte MC 11 202 2903
Pieve Torina MC 12 1458 4361
Sellano PG 12 1079 5440
Fiastra MC 14 559 5999
Pievebovigliana MC 14 866 6865
Acquacanina MC 14 121 6986
Bolognola MC 15 142 7128
Muccia MC 16 915 8043
Norcia PG 17 4957 13000
Serravalle di Chienti MC 17 1070 14070
Cerreto di Spoleto PG 18 1075 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Foligno (57155 inhabitants)
54 Km NE of Terni (111501 inhabitants)
57 Km E of Perugia (166134 inhabitants)
62 Km NW of Teramo (54892 inhabitants)
71 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
97 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
Bulletin
Rev1000 		ML 1.1 2022-03-18
17:10:18		 42.9412 13.0548 10 2022-07-08
12:33:58		 Bollettino Sismico Italiano INGV 104873521
Reviewed
Rev100 		ML 1.2 2022-03-18
17:10:18		 42.9367 13.0512 10 2022-03-18
17:16:59		 Sala Sismica INGV-Roma 102119461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-18 17:10:18 ± 0.04
Latitude 42.9412 ± 0.0027
Longitude 13.0548 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 104873521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 308
Semi-minor axis of confidence ellipse (meter) 154
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 47
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.02158
Epicentral distance of station farthest from the epicenter (degree) 0.38941
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.5
Num. used stations 8
Type of magnitude ML
Reference to an origin 102119461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-03-18 17:16:59

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 104873521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-19 15:37:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2022-03-18T17:10:32.80 0.3 undecidable manual S 5 43.2234 50 0.06 71
IV.LNSS.HNZ. 2022-03-18T17:10:31.00 0.6 undecidable manual S 182 37.5291 50 -0.23 46
IV.MF5.EHZ. 2022-03-18T17:10:30.50 0.3 undecidable manual S 81 33.2445 50 0.41 67
IV.ASSB.HHZ. 2022-03-18T17:10:30.20 0.3 undecidable manual S 289 34.0437 50 -0.1 72
IV.SNTG.HHZ. 2022-03-18T17:10:30.70 0.6 undecidable manual S 345 36.0417 50 -0.12 48
IV.GAVE.EHN. 2022-03-18T17:10:29.23 0.6 undecidable manual S 205 30.5472 50 -0.14 48
IV.PF6.EHN. 2022-03-18T17:10:27.39 0.3 undecidable manual S 27 24.5532 112 -0.36 69
IV.MMO1.EHZ. 2022-03-18T17:10:26.70 0.6 undecidable manual S 102 22.5552 114 -0.42 46
IV.EL6.EHZ. 2022-03-18T17:10:26.71 0.1 undecidable manual P 5 43.2234 50 -0.03 96
7F.SIB2.EHE. 2022-03-18T17:10:26.23 0.3 undecidable manual S 105 20.9679 116 -0.38 69
IV.CSP1.EHZ. 2022-03-18T17:10:26.20 0.6 undecidable manual S 36 20.6682 116 -0.32 47
IV.MML1.EHZ. 2022-03-18T17:10:26.00 0.6 undecidable manual S 341 20.2686 116 -0.39 46
IV.MF5.EHZ. 2022-03-18T17:10:25.57 0.3 undecidable manual P 81 33.2445 50 0.37 68
IV.LNSS.HNZ. 2022-03-18T17:10:25.65 1.0 undecidable manual P 182 37.5291 50 -0.22 23
7F.SIB3.EHN. 2022-03-18T17:10:25.88 0.3 undecidable manual S 113 18.9699 118 -0.11 74
IV.ASSB.HHZ. 2022-03-18T17:10:25.18 0.1 undecidable manual P 289 34.0437 50 -0.15 95
7F.SIB1.EHE. 2022-03-18T17:10:25.90 0.3 undecidable manual S 106 18.2706 119 0.13 73
IV.SNTG.HHZ. 2022-03-18T17:10:25.83 0.3 undecidable manual P 345 36.0417 50 0.2 70
IV.GAVE.EHN. 2022-03-18T17:10:24.43 0.3 undecidable manual P 205 30.5472 50 -0.36 68
IV.NRCA.HHZ. 2022-03-18T17:10:24.10 0.3 undecidable manual S 158 12.876 128 -0.12 74
IV.MC2.EHZ. 2022-03-18T17:10:24.17 0.6 undecidable manual S 107 11.3775 132 0.36 47
IV.GUMA.HHZ. 2022-03-18T17:10:24.36 0.1 undecidable manual P 59 26.4513 50 0.21 95
IV.CESI.HHZ. 2022-03-18T17:10:24.60 0.3 undecidable manual S 300 14.0748 126 0.05 75
IV.MMO1.EHZ. 2022-03-18T17:10:23.43 0.1 undecidable manual P 102 22.5552 114 -0.06 99
IV.MML1.EHZ. 2022-03-18T17:10:23.10 0.3 undecidable manual P 341 20.2686 116 0.03 75
IV.PF6.EHN. 2022-03-18T17:10:23.65 0.1 undecidable manual P 27 24.5532 112 -0.21 95
IV.CSP1.EHZ. 2022-03-18T17:10:23.18 0.1 undecidable manual P 36 20.6682 116 0.04 99
7F.SIB2.EHE. 2022-03-18T17:10:23.09 0.1 undecidable manual P 105 20.9679 116 -0.11 98
IV.FDMO.HHZ. 2022-03-18T17:10:23.60 0.1 undecidable manual S 14 10.878 133 -0.09 100
IT.MTCL.HGZ. 2022-03-18T17:10:22.70 0.3 undecidable manual S 322 7.3815 144 -0.18 74
IV.CESI.HHZ. 2022-03-18T17:10:22.27 0.1 undecidable manual P 300 14.0748 126 0.26 96
7F.SIB3.EHN. 2022-03-18T17:10:22.74 0.1 undecidable manual P 113 18.9699 118 -0.1 98
IV.FEMA.HNE. 2022-03-18T17:10:22.30 0.3 undecidable manual S 350 2.3976 167 0.17 75
7F.SIB1.EHE. 2022-03-18T17:10:22.79 0.1 undecidable manual P 106 18.2706 119 0.08 99
IT.MTCL.HGZ. 2022-03-18T17:10:21.20 0.1 undecidable manual P 322 7.3815 144 0.16 99
IV.NRCA.HHZ. 2022-03-18T17:10:21.97 0.1 undecidable manual P 158 12.876 128 0.15 98
IV.FDMO.HHZ. 2022-03-18T17:10:21.70 0.1 undecidable manual P 14 10.878 133 0.19 98
IV.MC2.EHZ. 2022-03-18T17:10:21.86 0.3 undecidable manual P 107 11.3775 132 0.28 72
IV.FEMA.HNE. 2022-03-18T17:10:20.92 0.1 undecidable manual P 350 2.3976 167 0.31 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.2 0.0001895 0.16 AML other m 2022-03-18T17:10:23.85
IV.FDMO.HHE. ML:0.9 0.00010105 0.3 AML other m 2022-03-18T17:10:23.94
IV.NRCA.HHN. ML:1.2 0.000164 0.14 AML other m 2022-03-18T17:10:24.27
IV.CESI.HHE. ML:1.1 0.0001175 0.12 AML other m 2022-03-18T17:10:24.81
IV.NRCA.HHE. ML:1.1 0.000135 0.08 AML other m 2022-03-18T17:10:24.97
IV.CESI.HHN. ML:1.2 0.000155 1.54 AML other m 2022-03-18T17:10:25.00
IV.NRCA.HNN. ML:1.2 0.0001702006 0.128 AML other m 2022-03-18T17:10:24.26
IV.NRCA.HNE. ML:1.2 0.00016325514999999998 0.1152 AML other m 2022-03-18T17:10:24.97
IV.MML1.EHE. ML:0.5 0.000027349609999999997 0.1664 AML other m 2022-03-18T17:10:26.61
IV.MML1.EHN. ML:0.7 0.000040241735 0.1792 AML other m 2022-03-18T17:10:26.71
IV.CSP1.EHE. ML:1.2 0.00010852835 0.1408 AML other m 2022-03-18T17:10:27.58
IV.CSP1.EHN. ML:1.1 0.00008689687 0.1664 AML other m 2022-03-18T17:10:28.31
IV.MMO1.EHN. ML:1.1 0.00009207560500000001 0.128 AML other m 2022-03-18T17:10:27.59
IV.MMO1.EHE. ML:1.0 0.00006500263 0.1408 AML other m 2022-03-18T17:10:27.45
IV.ASSB.HHE. ML:1.0 0.000040817115 0.1408 AML other m 2022-03-18T17:10:30.77
IV.ASSB.HHN. ML:1.1 0.00005328447 0.0768 AML other m 2022-03-18T17:10:30.53
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