Earthquake with magnitude of ML 1.4 on date 12-01-2023 and time 18:20:29 (UTC) in region 6 km S Monte Cavallo (MC)

A magnitude ML 1.4 earthquake occured in region: 6 km S Monte Cavallo (MC), on

  • 12-01-2023 18:20:29 (UTC)
  • 12-01-2023 19:20:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9390, 12.9940 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Monte Cavallo MC 6 145 145
Preci PG 8 724 869
Sellano PG 8 1079 1948
Visso MC 8 1107 3055
Ussita MC 12 444 3499
Pieve Torina MC 13 1458 4957
Fiordimonte MC 14 202 5159
Castelsantangelo sul Nera MC 14 281 5440
Cerreto di Spoleto PG 15 1075 6515
Serravalle di Chienti MC 15 1070 7585
Pievebovigliana MC 16 866 8451
Muccia MC 17 915 9366
Fiastra MC 17 559 9925
Acquacanina MC 18 121 10046
Norcia PG 18 4957 15003

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Foligno (57155 inhabitants)
51 Km NE of Terni (111501 inhabitants)
53 Km E of Perugia (166134 inhabitants)
66 Km W of Teramo (54892 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
93 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 1.4 2023-01-12
18:20:29
42.9393 12.9943 11 2023-01-12
18:29:42
Sala Sismica INGV-Roma 113500801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-12 18:20:29 ± 0.07
Latitude 42.9393 ± 0.0018
Longitude 12.9943 ± 0.0074
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113500801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 630
Semi-minor axis of confidence ellipse (meter) 160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 265
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 119
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 21
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) 0.50542
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 113500801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-12 18:29:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SRES.HHZ. 2023-01-12T18:20:55.86 3.0 undecidable manual S -0.13 0
IV.EL6.EHZ. 2023-01-12T18:20:43.68 0.6 undecidable manual S 11 44.1225 90 0.39 44
IV.LNSS.HHZ. 2023-01-12T18:20:41.83 0.1 undecidable manual S 174 37.5291 90 0.3 92
IV.SNTG.HHZ. 2023-01-12T18:20:40.99 0.6 undecidable manual S 353 35.2425 90 0.06 47
IV.ASSB.HHZ. 2023-01-12T18:20:39.14 0.3 undecidable manual S 293 29.5482 90 -0.26 71
IV.OFFI.HHZ. 2023-01-12T18:20:38.34 0.3 undecidable manual P 90 56.0994 90 -0.78 55
IV.CSP1.EHZ. 2023-01-12T18:20:37.95 0.1 undecidable manual S 45 24.0537 90 0.03 98
IV.EL6.EHZ. 2023-01-12T18:20:37.33 0.1 undecidable manual P 11 44.1225 90 0.06 94
IV.MML1.EHZ. 2023-01-12T18:20:36.51 0.3 undecidable manual S 355 19.3695 90 -0.18 73
IV.LNSS.HHZ. 2023-01-12T18:20:36.28 0.3 undecidable manual P 174 37.5291 90 0.03 72
IV.SNTG.HHZ. 2023-01-12T18:20:35.91 0.3 undecidable manual P 353 35.2425 90 -0.01 72
IV.NRCA.HHZ. 2023-01-12T18:20:35.32 0.3 undecidable manual S 140 15.2736 90 -0.26 69
IV.MC2.EHZ. 2023-01-12T18:20:35.96 0.3 undecidable manual S 101 16.0728 90 0.15 74
IV.ASSB.HHZ. 2023-01-12T18:20:35.00 0.3 undecidable manual P 293 29.5482 90 -0.03 73
IV.CESI.HHZ. 2023-01-12T18:20:34.29 0.1 undecidable manual S 315 10.2786 118 -0.01 100
IV.FDMO.HHZ. 2023-01-12T18:20:34.87 0.3 undecidable manual S 35 13.1757 97 -0.16 73
IV.CSP1.EHZ. 2023-01-12T18:20:34.30 0.1 undecidable manual P 45 24.0537 90 0.12 97
IV.MC2.EHZ. 2023-01-12T18:20:33.22 0.3 undecidable manual P 101 16.0728 90 0.26 72
IV.MML1.EHZ. 2023-01-12T18:20:33.48 0.1 undecidable manual P 355 19.3695 90 0.01 99
IV.CESI.HHZ. 2023-01-12T18:20:32.29 0.1 undecidable manual P 315 10.2786 118 0.2 96
IV.FDMO.HHZ. 2023-01-12T18:20:32.68 0.6 negative manual P 35 13.1757 97 0.18 49
IV.NRCA.HHZ. 2023-01-12T18:20:32.85 0.1 undecidable manual P 140 15.2736 90 0.03 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.1 0.000162 0.12 AML other m 2023-01-12T18:20:34.39
IV.CESI.HHN. ML:1.1 0.0001625 0.26 AML other m 2023-01-12T18:20:34.40
IV.FDMO.HHE. ML:1.3 0.00019700000000000002 0.22 AML other m 2023-01-12T18:20:35.14
IV.FDMO.HHN. ML:1.3 0.00019 0.2 AML other m 2023-01-12T18:20:35.13
IV.NRCA.HHN. ML:1.5 0.0002595 0.16 AML other m 2023-01-12T18:20:35.61
IV.NRCA.HHE. ML:1.4 0.0002565 1.22 AML other m 2023-01-12T18:20:35.09
IV.MML1.EHN. ML:1.1 0.0000998 1 AML other m 2023-01-12T18:20:36.44
IV.MML1.EHE. ML:1.2 0.0001159 0.2 AML other m 2023-01-12T18:20:37.10
IV.CSP1.EHN. ML:1.6 0.000261 1.28 AML other m 2023-01-12T18:20:38.79
IV.CSP1.EHE. ML:1.5 0.00019350000000000001 0.44 AML other m 2023-01-12T18:20:38.73
IV.SRES.HHN. ML:1.9 0.00010295 0.86 AML other m 2023-01-12T18:21:10.44
IV.SRES.HHE. ML:1.6 0.000045950000000000006 1.18 AML other m 2023-01-12T18:21:11.78
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