Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 04-05-2022 and time 18:29:49 (UTC) in region 3 km W Visso (MC)

A magnitude ML 1.0 earthquake occured in region: 3 km W Visso (MC), on

  • 04-05-2022 18:29:49 (UTC)
  • 04-05-2022 20:29:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9260, 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
Preci PG 5 724 1831
Ussita MC 7 444 2275
Monte Cavallo MC 9 145 2420
Castelsantangelo sul Nera MC 9 281 2701
Sellano PG 11 1079 3780
Fiordimonte MC 13 202 3982
Pieve Torina MC 13 1458 5440
Fiastra MC 15 559 5999
Norcia PG 15 4957 10956
Acquacanina MC 15 121 11077
Pievebovigliana MC 16 866 11943
Bolognola MC 16 142 12085
Cerreto di Spoleto PG 16 1075 13160
Muccia MC 18 915 14075
Serravalle di Chienti MC 18 1070 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Foligno (57155 inhabitants)
52 Km NE of Terni (111501 inhabitants)
58 Km E of Perugia (166134 inhabitants)
61 Km W of Teramo (54892 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
96 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 1.0 2022-05-04
18:29:49		 42.9255 13.0547 10 2023-01-31
19:03:12		 Bollettino Sismico Italiano INGV 104893691
Reviewed
Rev100 		ML 0.9 2022-05-04
18:29:49		 42.9242 13.0518 10 2022-05-04
18:56:08		 Sala Sismica INGV-Roma 104186931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-04 18:29:49 ± 0.07
Latitude 42.9255 ± 0.0036
Longitude 13.0547 ± 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 104893691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 480
Semi-minor axis of confidence ellipse (meter) 23
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 32
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 29
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31206
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 104893691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-20 05:17:36

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 104186931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-04 18:56:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2022-05-04T18:30:01.06 0.3 undecidable manual S 292 34.6431 50 -0.33 69
IV.GUMA.HHZ. 2022-05-04T18:29:59.49 0.3 undecidable manual S 56 27.3504 50 0.05 74
IV.CSP1.EHZ. 2022-05-04T18:29:57.98 0.3 undecidable manual S 33 22.0668 115 -0.01 75
7F.SIB2.EHE. 2022-05-04T18:29:57.21 0.3 undecidable manual S 101 20.5683 117 -0.3 71
IV.MML1.HNN. 2022-05-04T18:29:57.69 0.3 undecidable manual S 342 21.9669 115 -0.24 71
IV.MMO1.HNE. 2022-05-04T18:29:57.77 0.3 undecidable manual S 97 22.2555 115 -0.27 71
IV.ASSB.HHZ. 2022-05-04T18:29:56.18 0.1 undecidable manual P 292 34.6431 50 -0.19 94
7F.SIB1.EHE. 2022-05-04T18:29:56.58 0.3 undecidable manual S 101 17.871 120 -0.09 74
IV.MF5.EHE. 2022-05-04T18:29:56.65 0.1 undecidable manual P 78 33.6441 50 0.44 89
7F.SIB3.EHE. 2022-05-04T18:29:56.37 0.3 undecidable manual S 108 18.3705 119 -0.46 69
IV.MC2.EHZ. 2022-05-04T18:29:55.25 0.6 undecidable manual S 98 10.9779 133 0.49 46
IV.FDMO.HHZ. 2022-05-04T18:29:55.11 0.3 undecidable manual S 12 12.5763 129 -0.06 75
IV.CESI.HHZ. 2022-05-04T18:29:55.87 0.3 undecidable manual S 306 15.0738 125 0.02 76
IV.GUMA.HHZ. 2022-05-04T18:29:55.52 0.1 undecidable manual P 56 27.3504 50 0.28 94
IV.MML1.HNN. 2022-05-04T18:29:54.18 0.1 undecidable manual P 342 21.9669 115 -0.19 96
IV.MMO1.HNE. 2022-05-04T18:29:54.36 0.1 undecidable manual P 97 22.2555 115 -0.08 98
IV.CSP1.EHZ. 2022-05-04T18:29:54.30 0.1 undecidable manual P 33 22.0668 115 -0.11 98
IT.MTCL.HGE. 2022-05-04T18:29:54.09 0.1 undecidable manual S 329 8.7801 140 -0.14 99
7F.SIB2.EHE. 2022-05-04T18:29:54.05 0.1 undecidable manual P 101 20.5683 117 -0.09 99
IV.NRCA.HHZ. 2022-05-04T18:29:54.71 0.6 undecidable manual S 155 11.2776 133 -0.12 50
IV.CESI.HHZ. 2022-05-04T18:29:53.31 0.1 undecidable manual P 306 15.0738 125 0.14 98
7F.SIB3.EHE. 2022-05-04T18:29:53.64 0.1 undecidable manual P 108 18.3705 119 -0.1 99
IV.FEMA.HNE. 2022-05-04T18:29:53.61 0.1 undecidable manual S 354 4.0959 158 0.23 98
7F.SIB1.EHE. 2022-05-04T18:29:53.68 0.1 undecidable manual P 101 17.871 120 0.04 100
IT.MTCL.HGE. 2022-05-04T18:29:52.37 0.3 undecidable manual P 329 8.7801 140 0.13 75
IV.NRCA.HHZ. 2022-05-04T18:29:52.71 0.1 undecidable manual P 155 11.2776 133 0.13 99
IV.MC2.EHZ. 2022-05-04T18:29:52.83 0.1 undecidable manual P 98 10.9779 133 0.28 96
IV.FEMA.HNE. 2022-05-04T18:29:52.03 0.1 undecidable manual P 354 4.0959 158 0.29 97
IV.FDMO.HHZ. 2022-05-04T18:29:52.89 0.1 undecidable manual P 12 12.5763 129 0.11 99
IV.MOMA.HHZ. 2022-05-04T18:29:48.04 3.0 undecidable manual S 0
IV.MOMA.HHZ. 2022-05-04T18:29:47.21 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.9 0.00009504999999999999 0.12 AML other m 2022-05-04T18:29:54.84
IV.FDMO.HHE. ML:0.8 0.000057661435 0.1152 AML other m 2022-05-04T18:29:55.52
IV.NRCA.HHE. ML:0.7 0.000056735090000000004 0.1408 AML other m 2022-05-04T18:29:55.46
IV.FDMO.HHN. ML:0.9 0.00009185 0.14 AML other m 2022-05-04T18:29:55.79
IV.CESI.HHE. ML:1.1 0.00010825000000000002 0.1 AML other m 2022-05-04T18:29:56.21
IV.CESI.HHN. ML:1.4 0.000237 0.14 AML other m 2022-05-04T18:29:56.21
IV.MC2.EHE. ML:1.0 0.00011131225 0.1792 AML other m 2022-05-04T18:29:56.65
IV.MC2.EHN. ML:1.1 0.000140784285 0.2048 AML other m 2022-05-04T18:29:58.28
IV.CSP1.EHE. ML:1.0 0.0000729535985 0.128 AML other m 2022-05-04T18:29:58.57
IV.CSP1.EHN. ML:1.1 0.00009014406 0.1408 AML other m 2022-05-04T18:29:58.68
IV.GUMA.HHN. ML:1.0 0.00004827663 0.1792 AML other m 2022-05-04T18:30:00.18
IV.ASSB.HHE. ML:0.8 0.0000252 0.26 AML other m 2022-05-04T18:30:01.55
IV.ASSB.HHN. ML:0.7 0.000020032175 0.1408 AML other m 2022-05-04T18:30:01.50
IV.GUMA.HHE. ML:1.0 0.000055249999999999994 1.64 AML other m 2022-05-04T18:30:03.14
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