Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 10-01-2023 and time 09:28:18 (UTC) in region 3 km W Visso (MC)

A magnitude ML 2.0 earthquake occured in region: 3 km W Visso (MC), on

  • 10-01-2023 09:28:18 (UTC)
  • 10-01-2023 10:28:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9320, 13.0500 at 11 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 3 1107 1107
Preci PG 6 724 1831
Ussita MC 7 444 2275
Monte Cavallo MC 8 145 2420
Castelsantangelo sul Nera MC 9 281 2701
Sellano PG 11 1079 3780
Fiordimonte MC 12 202 3982
Pieve Torina MC 13 1458 5440
Fiastra MC 15 559 5999
Pievebovigliana MC 15 866 6865
Acquacanina MC 15 121 6986
Norcia PG 16 4957 11943
Bolognola MC 16 142 12085
Cerreto di Spoleto PG 16 1075 13160
Muccia MC 17 915 14075
Serravalle di Chienti MC 18 1070 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Foligno (57155 inhabitants)
53 Km NE of Terni (111501 inhabitants)
57 Km E of Perugia (166134 inhabitants)
61 Km NW of Teramo (54892 inhabitants)
71 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
Reviewed
Rev100 		ML 2.0 2023-01-10
09:28:18		 42.9317 13.0497 11 2023-01-10
09:33:38		 Sala Sismica INGV-Roma 113448971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-10 09:28:18 ± 0.05
Latitude 42.9317 ± 0.0036
Longitude 13.0497 ± 0.0037
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113448971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 380
Semi-minor axis of confidence ellipse (meter) 330
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 2
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 151
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.19605
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 6
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 113448971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-10 09:33:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.EHZ. 2023-01-10T09:28:34.41 3.0 undecidable manual S -0.04 0
IV.TERO.HHZ. 2023-01-10T09:28:28.39 3.0 undecidable manual P -0.34 0
IV.CING.HHZ. 2023-01-10T09:28:27.82 3.0 undecidable manual P 0 0
IV.CSP1.EHZ. 2023-01-10T09:28:26.47 0.3 undecidable manual S 35 21.7671 90 -0.12 71
IV.MOMA.HHZ. 2023-01-10T09:28:26.21 3.0 undecidable manual P 0.22 0
IV.ATCC.EHZ. 2023-01-10T09:28:26.49 3.0 positive manual P 0.03 0
IV.EL6.EHZ. 2023-01-10T09:28:26.49 3.0 undecidable manual P -0.26 0
IV.LNSS.HHZ. 2023-01-10T09:28:25.46 3.0 positive manual P 0.27 0
IV.MF5.EHZ. 2023-01-10T09:28:25.07 3.0 negative manual P 0 0
IV.SNTG.HHZ. 2023-01-10T09:28:25.53 3.0 undecidable manual P 0.05 0
IV.GUMA.HHZ. 2023-01-10T09:28:24.18 3.0 undecidable manual P 0.16 0
IV.CESI.HHZ. 2023-01-10T09:28:24.58 0.3 undecidable manual S 305 14.2746 91 -0.02 73
IV.MTRA.EHZ. 2023-01-10T09:28:24.92 3.0 undecidable manual P -0.09 0
IV.NRCA.HHZ. 2023-01-10T09:28:23.77 0.3 undecidable manual S 154 12.0768 107 -0.24 71
IV.ASSB.HHZ. 2023-01-10T09:28:23.55 3.0 undecidable manual P -1.29 0
IV.CSP1.EHZ. 2023-01-10T09:28:23.06 0.1 positive manual P 35 21.7671 90 -0.04 96
IV.MC2.EHZ. 2023-01-10T09:28:23.86 0.3 undecidable manual S 101 11.5773 111 -0.01 74
IV.MMO1.EHZ. 2023-01-10T09:28:23.15 3.0 positive manual P -0.08 0
IV.FEMA.HNZ. 2023-01-10T09:28:22.36 0.1 undecidable manual S 0 3.3966 158 0.02 100
IT.MTCL.HGZ. 2023-01-10T09:28:22.86 0.1 undecidable manual S 329 7.9809 130 -0.21 95
IV.CESI.HHZ. 2023-01-10T09:28:22.02 0.1 undecidable manual P 305 14.2746 91 0.08 97
IV.MC2.EHZ. 2023-01-10T09:28:21.65 0.1 undecidable manual P 101 11.5773 111 0.12 96
IV.NRCA.HHZ. 2023-01-10T09:28:21.60 0.1 undecidable manual P 154 12.0768 107 0 98
IT.MTCL.HGZ. 2023-01-10T09:28:21.13 0.1 negative manual P 329 7.9809 130 0.07 98
IV.FEMA.HNZ. 2023-01-10T09:28:20.86 0.1 negative manual P 0 3.3966 158 0.22 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FEMA.HNN. ML:2.1 0.0018599999999999999 0.08 AML other m 2023-01-10T09:28:22.77
IV.FEMA.HNE. ML:2.0 0.001555 1.72 AML other m 2023-01-10T09:28:22.12
IT.MTCL.HGE. ML:4.2 0.2035 0.06 AML other m 2023-01-10T09:28:23.06
IT.MTCL.HGN. ML:4.2 0.193 0.06 AML other m 2023-01-10T09:28:23.11
IV.NRCA.HNN. ML:2.4 0.0024 0.14 AML other m 2023-01-10T09:28:23.92
IV.NRCA.HHN. ML:2.4 0.002575 0.14 AML other m 2023-01-10T09:28:23.92
IV.NRCA.HHE. ML:2.3 0.002055 0.16 AML other m 2023-01-10T09:28:23.96
IV.NRCA.HNE. ML:2.2 0.001895 0.16 AML other m 2023-01-10T09:28:23.89
IV.MC2.EHN. ML:2.1 0.0013167165 0.2368 AML other m 2023-01-10T09:28:25.23
IV.CESI.HHE. ML:2.1 0.001103 0.2 AML other m 2023-01-10T09:28:24.68
IV.CESI.HHN. ML:2.2 0.001655 0.14 AML other m 2023-01-10T09:28:24.90
IV.MC2.EHE. ML:2.0 0.0010899999999999998 1.38 AML other m 2023-01-10T09:28:25.02
IV.MMO1.EHE. ML:1.9 0.00046350000000000004 1.8 AML other m 2023-01-10T09:28:26.98
IV.CSP1.EHN. ML:2.0 0.0007655000000000001 0.46 AML other m 2023-01-10T09:28:27.03
IV.CSP1.EHE. ML:2.0 0.0007245 0.54 AML other m 2023-01-10T09:28:27.36
IV.MMO1.EHN. ML:1.7 0.0003185 0.74 AML other m 2023-01-10T09:28:27.46
IV.GUMA.HHE. ML:1.9 0.00041450000000000005 1.78 AML other m 2023-01-10T09:28:28.08
IV.GUMA.HHN. ML:2.0 0.0005515 1.44 AML other m 2023-01-10T09:28:29.77
IV.CESI.HNE. ML:2.0 0.00094947355 0.0896 AML other m 2023-01-10T09:28:24.69
IV.CESI.HNN. ML:2.2 0.0016115349999999999 0.1472 AML other m 2023-01-10T09:28:24.90
IV.MTRA.EHE. ML:1.7 0.00022474215 0.1792 AML other m 2023-01-10T09:28:30.50
IV.MTRA.EHN. ML:1.6 0.00017838119999999999 0.1216 AML other m 2023-01-10T09:28:31.71
IV.MTRA.HNE. ML:1.7 0.00022746205 0.1856 AML other m 2023-01-10T09:28:30.50
IV.MTRA.HNN. ML:1.7 0.00019303474999999998 0.4672 AML other m 2023-01-10T09:28:30.76
IV.MF5.EHE. ML:1.8 0.0002919526 0.1984 AML other m 2023-01-10T09:28:31.21
IV.LNSS.HHN. ML:1.3 0.00006766169250000001 1.5424 AML other m 2023-01-10T09:28:32.97
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
Waveforms Seismic signals in miniseed + resp format Download