Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 26-09-2022 and time 12:25:08 (Italy) in region 4 km W Visso (MC)

A magnitude ML 1.2 earthquake occured in region: 4 km W Visso (MC), on

  • 26-09-2022 10:25:08 (UTC)
  • 26-09-2022 12:25:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9300, 13.0360 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
Visso MC 4 1107 1107
Preci PG 6 724 1831
Monte Cavallo MC 8 145 1976
Ussita MC 9 444 2420
Sellano PG 10 1079 3499
Castelsantangelo sul Nera MC 10 281 3780
Fiordimonte MC 13 202 3982
Pieve Torina MC 13 1458 5440
Pievebovigliana MC 15 866 6306
Fiastra MC 15 559 6865
Cerreto di Spoleto PG 16 1075 7940
Norcia PG 16 4957 12897
Acquacanina MC 16 121 13018
Muccia MC 17 915 13933
Bolognola MC 17 142 14075
Serravalle di Chienti MC 17 1070 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
52 Km NE of Terni (111501 inhabitants)
56 Km E of Perugia (166134 inhabitants)
62 Km W of Teramo (54892 inhabitants)
71 Km NW of L'Aquila (69753 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
95 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 1.2 2022-09-26
10:25:08		 42.93 13.036 10 2022-09-26
10:35:02		 Sala Sismica INGV-Roma 110174381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-26 10:25:08 ± 0.07
Latitude 42.9300 ± 0.0036
Longitude 13.0360 ± 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 110174381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 414
Semi-minor axis of confidence ellipse (meter) 291
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 207
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) 143
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.06925
Epicentral distance of station farthest from the epicenter (degree) 0.40200
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 110174381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-26 10:35:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2022-09-26T10:25:22.83 0.3 undecidable manual S 7 44.622 50 0.14 91
IV.ASSB.HHZ. 2022-09-26T10:25:19.41 0.3 undecidable manual S 292 33.0447 50 -0.2 92
IV.GUMA.HHZ. 2022-09-26T10:25:18.69 0.3 undecidable manual S 59 28.3494 50 0.33 90
IV.CSP1.EHZ. 2022-09-26T10:25:16.45 0.3 undecidable manual S 37 22.5552 115 -0.33 91
IV.EL6.EHZ. 2022-09-26T10:25:16.43 0.3 undecidable manual P 7 44.622 50 -0.12 92
IV.GUMA.HHZ. 2022-09-26T10:25:14.07 0.3 undecidable manual P 59 28.3494 50 0.02 96
IV.CESI.HHZ. 2022-09-26T10:25:14.29 0.3 undecidable manual S 308 13.4754 127 0.22 95
IV.ASSB.HHZ. 2022-09-26T10:25:14.55 0.3 undecidable manual P 292 33.0447 50 -0.22 92
IV.FDMO.HHZ. 2022-09-26T10:25:13.68 0.3 undecidable manual S 19 12.4764 130 -0.12 97
IV.NRCA.HHZ. 2022-09-26T10:25:13.61 0.3 undecidable manual S 149 12.4764 130 -0.17 96
IV.MC2.EHZ. 2022-09-26T10:25:13.93 0.3 undecidable manual S 99 12.5763 129 0.11 97
IT.MTCL.HGZ. 2022-09-26T10:25:12.63 0.3 undecidable manual S 337 7.6812 143 -0.01 100
IV.CSP1.EHZ. 2022-09-26T10:25:12.88 0.3 undecidable manual P 37 22.5552 115 -0.26 93
IV.NRCA.HHZ. 2022-09-26T10:25:11.44 0.3 undecidable manual P 149 12.4764 130 0.03 99
IV.MC2.EHZ. 2022-09-26T10:25:11.51 0.3 undecidable manual P 99 12.5763 129 0.08 98
IV.FDMO.HHZ. 2022-09-26T10:25:11.51 0.3 undecidable manual P 19 12.4764 130 0.09 97
IV.CESI.HHZ. 2022-09-26T10:25:11.79 0.3 undecidable manual P 308 13.4754 127 0.22 95
IT.MTCL.HGZ. 2022-09-26T10:25:10.89 0.3 undecidable manual P 337 7.6812 143 0.14 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IT.MTCL.HGN. ML:3.6 0.0522 0.06 AML other m 2022-09-26T10:25:12.84
IT.MTCL.HGE. ML:3.5 0.0443 1.32 AML other m 2022-09-26T10:25:13.67
IV.CESI.HHN. ML:1.5 0.00033850000000000004 0.12 AML other m 2022-09-26T10:25:14.57
IV.CESI.HHE. ML:1.3 0.00022600000000000002 0.08 AML other m 2022-09-26T10:25:14.58
IV.NRCA.HHE. ML:1.0 0.000103611425 0.1216 AML other m 2022-09-26T10:25:13.84
IV.NRCA.HHN. ML:1.3 0.00020519915 0.0832 AML other m 2022-09-26T10:25:13.68
IV.NRCA.HNE. ML:1.0 0.00011484136499999999 0.0832 AML other m 2022-09-26T10:25:14.56
IV.NRCA.HNN. ML:1.3 0.00021407495 0.1536 AML other m 2022-09-26T10:25:13.80
IV.MC2.EHE. ML:1.3 0.00020764515 0.7424 AML other m 2022-09-26T10:25:14.21
IV.MC2.EHN. ML:1.3 0.00022526985 0.0832 AML other m 2022-09-26T10:25:14.48
IV.CESI.HNE. ML:1.2 0.00017679077499999999 0.0768 AML other m 2022-09-26T10:25:14.61
IV.CESI.HNN. ML:1.5 0.00034357405 0.128 AML other m 2022-09-26T10:25:14.63
IV.CSP1.EHE. ML:1.2 0.000094847995 0.1792 AML other m 2022-09-26T10:25:17.33
IV.CSP1.EHN. ML:1.3 0.00011895039999999999 0.1408 AML other m 2022-09-26T10:25:16.61
IV.GUMA.HHE. ML:1.1 0.000062174755 0.1984 AML other m 2022-09-26T10:25:19.22
IV.GUMA.HHN. ML:1.2 0.00009197182000000001 0.3008 AML other m 2022-09-26T10:25:18.96
IV.GUMA.HNE. ML:1.1 0.000068681095 0.704 AML other m 2022-09-26T10:25:18.96
IV.GUMA.HNN. ML:1.3 0.00010133870999999999 0.5184 AML other m 2022-09-26T10:25:18.94
IV.ASSB.HHE. ML:0.9 0.00003376596 0.256 AML other m 2022-09-26T10:25:19.70
IV.ASSB.HHN. ML:0.8 0.000027848515 0.0576 AML other m 2022-09-26T10:25:20.18
IV.EL6.EHE. ML:1.0 0.000031654805 1.9392 AML other m 2022-09-26T10:25:22.28
IV.EL6.EHN. ML:1.1 0.000039191412999999994 3.1168 AML other m 2022-09-26T10:25:23.55
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