Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 06-02-2023 and time 14:59:55 (UTC) in region 2 km W Visso (MC)

A magnitude ML 0.7 earthquake occured in region: 2 km W Visso (MC), on

  • 06-02-2023 14:59:55 (UTC)
  • 06-02-2023 15:59:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9360, 13.0680 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 2 1107 1107
Ussita MC 6 444 1551
Preci PG 7 724 2275
Castelsantangelo sul Nera MC 8 281 2556
Monte Cavallo MC 8 145 2701
Fiordimonte MC 11 202 2903
Pieve Torina MC 12 1458 4361
Sellano PG 13 1079 5440
Fiastra MC 13 559 5999
Acquacanina MC 14 121 6120
Pievebovigliana MC 14 866 6986
Bolognola MC 15 142 7128
Norcia PG 16 4957 12085
Muccia MC 16 915 13000
Serravalle di Chienti MC 18 1070 14070
Cerreto di Spoleto PG 18 1075 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Foligno (57155 inhabitants)
54 Km NE of Terni (111501 inhabitants)
58 Km E of Perugia (166134 inhabitants)
60 Km NW of Teramo (54892 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
98 Km NE of Viterbo (67173 inhabitants)
100 Km W of Montesilvano (53738 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 0.7 2023-02-06
14:59:55		 42.9362 13.0682 10 2023-02-06
15:19:32		 Sala Sismica INGV-Roma 114163261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-06 14:59:55 ± 0.37
Latitude 42.9362 ± 0.0072
Longitude 13.0682 ± 0.0098
Depth (km) 10 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 114163261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 889
Semi-minor axis of confidence ellipse (meter) 76
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 49
Circular confidence region, given by single value of horizontal uncertainty (meter) 890.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.19245
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 114163261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-06 15:19:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SALB.HHZ. 2023-02-06T15:01:37.33 3.0 undecidable manual Sn -4.44 0
GU.RORO.HHZ. 2023-02-06T15:01:23.91 3.0 undecidable manual Sn 3.66 0
IV.MTGR.HHZ. 2023-02-06T15:01:01.35 3.0 positive manual Pn -3.18 0
IV.PAOL.HHZ. 2023-02-06T15:01:00.46 3.0 undecidable manual Sn 1.29 0
IV.SPS2.HHZ. 2023-02-06T15:00:54.46 3.0 undecidable manual Pn -3.8 0
IV.MDI.HHZ. 2023-02-06T15:00:40.98 3.0 undecidable manual Pn 2.13 0
IV.MCRV.HHZ. 2023-02-06T15:00:40.33 3.0 undecidable manual Pg 5.84 0
IV.MTMR.HNZ. 2023-02-06T15:00:37.50 3.0 negative manual Pg 5.55 0
RF.GEPF.HHZ. 2023-02-06T15:00:37.40 3.0 positive manual Pn 0.85 0
IV.LRP.EHZ. 2023-02-06T15:00:35.49 3.0 undecidable manual Sn -1.47 0
IV.IMOL.HNZ. 2023-02-06T15:00:31.00 3.0 undecidable manual Sg 0.65 0
MN.TRI.HHZ. 2023-02-06T15:00:28.46 3.0 positive manual Pn -1.85 0
IV.BRSN.HNZ. 2023-02-06T15:00:25.69 3.0 undecidable manual S -0.76 0
IV.CSNT.HHZ. 2023-02-06T15:00:21.13 3.0 undecidable manual S 0 0
IV.POFI.HNZ. 2023-02-06T15:00:14.69 3.0 undecidable manual Pn -0.61 0
IV.CSP1.EHZ. 2023-02-06T15:00:03.56 0.3 undecidable manual S 33 20.5683 116 0 100
IV.MMO1.EHZ. 2023-02-06T15:00:03.53 0.3 undecidable manual S 101 21.3675 115 -0.31 94
IV.CESI.HHZ. 2023-02-06T15:00:02.14 0.3 undecidable manual S 300 15.2736 123 0.15 98
IV.FDMO.HHZ. 2023-02-06T15:00:00.99 0.3 undecidable manual S 8 11.2776 132 0.12 99
IV.MC2.EHZ. 2023-02-06T15:00:00.86 0.3 undecidable manual S 106 10.1787 135 0.26 96
IV.CSP1.EHZ. 2023-02-06T15:00:00.24 0.3 undecidable manual P 33 20.5683 116 0.03 99
IV.NRCA.HHZ. 2023-02-06T15:00:00.83 0.3 undecidable manual S 162 11.9769 130 -0.23 97
IV.MMO1.EHZ. 2023-02-06T15:00:00.86 0.3 undecidable manual P 101 21.3675 115 0.49 90
IV.CESI.HHZ. 2023-02-06T14:59:59.39 0.3 undecidable manual P 300 15.2736 123 0.09 99
IV.MC2.EHZ. 2023-02-06T14:59:58.74 0.3 undecidable manual P 106 10.1787 135 0.24 97
IV.NRCA.HHZ. 2023-02-06T14:59:58.70 0.3 undecidable manual P 162 11.9769 130 -0.07 100
IV.FDMO.HHZ. 2023-02-06T14:59:57.74 0.3 undecidable manual P 8 11.2776 132 -0.92 77
IV.FRON.EHZ. 2023-02-06T14:59:56.84 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.4 0.000029226428999999998 0.1024 AML other m 2023-02-06T15:00:02.39
IV.FDMO.HHN. ML:0.5 0.000038868415 0.1152 AML other m 2023-02-06T15:00:02.21
IV.NRCA.HHE. ML:0.7 0.00005672606 0.1152 AML other m 2023-02-06T15:00:01.66
IV.NRCA.HHN. ML:1.0 0.00011486733499999999 0.0896 AML other m 2023-02-06T15:00:01.67
IV.MC2.EHE. ML:0.8 0.00007392535 0.2688 AML other m 2023-02-06T15:00:03.32
IV.MC2.EHN. ML:0.9 0.000110162535 0.2304 AML other m 2023-02-06T15:00:03.21
IV.CESI.HHE. ML:0.6 0.000033621040000000005 0.1408 AML other m 2023-02-06T15:00:03.24
IV.CESI.HHN. ML:1.0 0.00008618734 0.1408 AML other m 2023-02-06T15:00:03.25
IV.CSP1.EHE. ML:0.8 0.000043102005 0.1792 AML other m 2023-02-06T15:00:05.73
IV.CSP1.EHN. ML:0.8 0.00003898921 0.2048 AML other m 2023-02-06T15:00:04.74
IV.MMO1.EHE. ML:0.5 0.000020306405 0.1408 AML other m 2023-02-06T15:00:04.27
IV.MMO1.EHN. ML:0.7 0.000037068527000000007 0.1408 AML other m 2023-02-06T15:00:04.52
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