Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 22-06-2022 and time 01:28:35 (Italy) in region 4 km W Visso (MC)

A magnitude ML 1.0 earthquake occured in region: 4 km W Visso (MC), on

  • 21-06-2022 23:28:35 (UTC)
  • 22-06-2022 01:28:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9420, 13.0380 at 4 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 4 1107 1107
Monte Cavallo MC 7 145 1252
Preci PG 7 724 1976
Ussita MC 8 444 2420
Sellano PG 11 1079 3499
Castelsantangelo sul Nera MC 11 281 3780
Fiordimonte MC 12 202 3982
Pieve Torina MC 12 1458 5440
Pievebovigliana MC 14 866 6306
Fiastra MC 14 559 6865
Acquacanina MC 15 121 6986
Muccia MC 16 915 7901
Serravalle di Chienti MC 16 1070 8971
Bolognola MC 17 142 9113
Cerreto di Spoleto PG 17 1075 10188
Norcia PG 17 4957 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
53 Km NE of Terni (111501 inhabitants)
56 Km E of Perugia (166134 inhabitants)
63 Km NW of Teramo (54892 inhabitants)
72 Km NW of L'Aquila (69753 inhabitants)
85 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 2022-06-21
23:28:35		 42.9417 13.0377 4 2023-01-31
19:03:55		 Bollettino Sismico Italiano INGV 111585301
Reviewed
Rev100 		ML 1.0 2022-06-21
23:28:34		 42.9598 13.0595 7 2022-06-21
23:43:31		 Sala Sismica INGV-Roma 106344611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-06-21 23:28:35 ± 0.09
Latitude 42.9417 ± 0.0036
Longitude 13.0377 ± 0.0037
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 111585301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 415
Semi-minor axis of confidence ellipse (meter) 177
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 212
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.02248
Epicentral distance of station farthest from the epicenter (degree) 0.37861
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 111585301
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-11-08 14:32:18

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 106344611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-06-21 23:43:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2022-06-21T23:28:49.83 0.6 undecidable manual S 310 42.0246 95 0.03 47
IV.LNSS.HNZ. 2022-06-21T23:28:48.00 0.6 undecidable manual S 180 37.5291 96 -0.25 46
IV.MF5.EHZ. 2022-06-21T23:28:47.87 0.6 undecidable manual S 81 34.6431 96 0.63 41
IV.ASSB.HHZ. 2022-06-21T23:28:46.57 0.6 undecidable manual S 290 32.745 97 -0.01 48
IV.GAVE.EHN. 2022-06-21T23:28:46.07 0.6 undecidable manual S 203 30.0477 97 0.42 45
IV.MMO1.EHZ. 2022-06-21T23:28:43.36 0.6 undecidable manual S 101 23.9538 99 -0.2 47
IV.ATCC.EHZ. 2022-06-21T23:28:43.01 0.3 undecidable manual P 310 42.0246 95 -0.6 62
7F.SIB3.EHN. 2022-06-21T23:28:42.11 0.6 undecidable manual S 111 20.2686 101 -0.19 48
7F.SIB2.EHE. 2022-06-21T23:28:42.88 0.6 undecidable manual S 104 22.3554 100 -0.13 48
IV.LNSS.HNZ. 2022-06-21T23:28:42.18 0.3 undecidable manual P 180 37.5291 96 -0.53 64
IV.CSP1.EHZ. 2022-06-21T23:28:42.79 0.6 undecidable manual S 39 21.4674 100 0.07 49
IV.MF5.EHZ. 2022-06-21T23:28:42.36 0.3 undecidable manual P 81 34.6431 96 0.23 69
IV.GAVE.EHN. 2022-06-21T23:28:41.22 0.3 undecidable manual P 203 30.0477 97 0.01 73
IV.ASSB.HHZ. 2022-06-21T23:28:41.42 0.1 undecidable manual P 290 32.745 97 -0.32 90
IV.CESI.HHZ. 2022-06-21T23:28:40.60 0.6 undecidable manual S 303 12.876 107 0.79 40
IV.NRCA.HHZ. 2022-06-21T23:28:40.46 0.6 undecidable manual S 153 13.4754 106 0.44 46
IV.MC2.EHZ. 2022-06-21T23:28:39.76 0.6 undecidable manual S 105 12.7761 107 -0.01 50
IV.CSP1.EHZ. 2022-06-21T23:28:39.43 0.3 undecidable manual P 39 21.4674 100 -0.09 73
7F.SIB3.EHN. 2022-06-21T23:28:39.27 0.3 undecidable manual P 111 20.2686 101 0 74
IV.MMO1.EHZ. 2022-06-21T23:28:39.82 0.3 undecidable manual P 101 23.9538 99 -0.18 71
7F.SIB2.EHE. 2022-06-21T23:28:39.80 0.3 undecidable manual P 104 22.3554 100 0.11 72
IV.CESI.HHZ. 2022-06-21T23:28:38.11 0.1 undecidable manual P 303 12.876 107 0.27 95
IV.NRCA.HHZ. 2022-06-21T23:28:38.13 0.1 negative manual P 153 13.4754 106 0.17 97
IT.MTCL.HGZ. 2022-06-21T23:28:37.92 0.6 undecidable manual S 332 6.5934 121 0.12 49
IV.MC2.EHZ. 2022-06-21T23:28:37.86 0.1 undecidable manual P 105 12.7761 107 0.05 99
IV.FEMA.HNE. 2022-06-21T23:28:36.30 0.6 undecidable manual S 23 2.4975 148 -0.45 46
IT.MTCL.HGZ. 2022-06-21T23:28:36.75 0.1 undecidable manual P 332 6.5934 121 0.07 100
IV.FEMA.HNE. 2022-06-21T23:28:35.98 0.1 undecidable manual P 23 2.4975 148 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.0 0.000121 0.12 AML other m 2022-06-21T23:28:40.94
IV.CESI.HHN. ML:1.2 0.000237 1.76 AML other m 2022-06-21T23:28:40.08
IV.NRCA.HHN. ML:1.0 0.00013450000000000002 1.54 AML other m 2022-06-21T23:28:41.05
IV.CESI.HHE. ML:0.9 0.0000994 0.56 AML other m 2022-06-21T23:28:41.10
IV.MMO1.EHE. ML:1.0 0.0000621 1.78 AML other m 2022-06-21T23:28:44.00
IV.MMO1.EHN. ML:1.0 0.00006105 0.4 AML other m 2022-06-21T23:28:44.68
IV.ASSB.HHN. ML:0.9 0.0000406 1.16 AML other m 2022-06-21T23:28:46.16
IV.ASSB.HHE. ML:1.0 0.00004845 0.32 AML other m 2022-06-21T23:28:47.27
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