Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 11-12-2023 and time 13:48:56 (Italy) in region 2 km E Monte Cavallo (MC)

A magnitude ML 1.4 earthquake occured in region: 2 km E Monte Cavallo (MC), on

  • 11-12-2023 12:48:56 (UTC)
  • 11-12-2023 13:48:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9980, 13.0240 at 8 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
Monte Cavallo MC 2 145 145
Pieve Torina MC 6 1458 1603
Fiordimonte MC 7 202 1805
Pievebovigliana MC 9 866 2671
Visso MC 9 1107 3778
Muccia MC 10 915 4693
Serravalle di Chienti MC 10 1070 5763
Ussita MC 11 444 6207
Fiastra MC 12 559 6766
Acquacanina MC 13 121 6887
Preci PG 13 724 7611
Sellano PG 14 1079 8690
Castelsantangelo sul Nera MC 16 281 8971
Camerino MC 16 6974 15945
Bolognola MC 17 142 16087
Sefro MC 18 422 16509

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
53 Km E of Perugia (166134 inhabitants)
57 Km NE of Terni (111501 inhabitants)
67 Km NW of Teramo (54892 inhabitants)
78 Km NW of L'Aquila (69753 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
94 Km S of Fano (60888 inhabitants)
99 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 2023-12-11
12:48:56		 42.9978 13.0242 8 2023-12-11
12:58:02		 Sala Sismica INGV-Roma 123960721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-11 12:48:56 ± 0.06
Latitude 42.9978 ± 0.0027
Longitude 13.0242 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123960721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 338
Semi-minor axis of confidence ellipse (meter) 148
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 50
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56657
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 123960721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-11 12:58:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SFI.EHZ. 2023-12-11T12:49:36.32 3.0 undecidable manual S 0.69 0
IV.LNSS.HHZ. 2023-12-11T12:49:11.00 0.3 undecidable manual S 178 43.8228 50 -0.05 69
IV.CING.HHZ. 2023-12-11T12:49:11.16 0.3 undecidable manual S 18 44.1225 50 0.03 70
IV.MF5.EHZ. 2023-12-11T12:49:09.56 0.3 undecidable manual S 92 35.3424 50 0.77 58
IV.ASSB.HHZ. 2023-12-11T12:49:07.04 0.3 undecidable manual S 280 30.0477 105 0.01 72
IV.TERO.HHZ. 2023-12-11T12:49:07.73 0.3 undecidable manual P 131 62.8926 50 0.01 68
IV.SNTG.HHZ. 2023-12-11T12:49:06.89 0.3 undecidable manual S 347 29.3484 105 0.11 71
IV.SMA1.EHZ. 2023-12-11T12:49:05.40 0.1 undecidable manual P 148 48.0186 50 -0.02 92
IV.CING.HHZ. 2023-12-11T12:49:04.49 0.1 undecidable manual P 18 44.1225 50 -0.34 87
IV.LNSS.HHZ. 2023-12-11T12:49:04.54 0.1 undecidable manual P 178 43.8228 50 -0.25 89
IV.NRCA.HHZ. 2023-12-11T12:49:03.68 0.3 undecidable manual S 158 19.6692 112 0.08 72
IV.MF5.EHZ. 2023-12-11T12:49:03.44 0.1 undecidable manual P 92 35.3424 50 -0.04 95
IV.CSP1.EHZ. 2023-12-11T12:49:03.05 0.3 undecidable manual S 54 17.9709 114 -0.02 74
IV.ASSB.HHZ. 2023-12-11T12:49:02.40 0.1 undecidable manual P 280 30.0477 105 -0.06 95
IV.SNTG.HHZ. 2023-12-11T12:49:02.21 0.1 undecidable manual P 347 29.3484 105 -0.11 94
IV.GUMA.HHZ. 2023-12-11T12:49:02.01 0.1 undecidable manual P 74 26.2515 107 0.29 91
IV.MML1.EHZ. 2023-12-11T12:49:01.79 0.3 undecidable manual S 342 13.4754 121 0.1 73
IV.CESI.HHZ. 2023-12-11T12:49:01.04 0.3 undecidable manual S 275 9.6792 130 0.42 69
IV.NRCA.HHZ. 2023-12-11T12:49:00.48 0.1 undecidable manual P 158 19.6692 112 0 98
IV.CSP1.EHZ. 2023-12-11T12:49:00.21 0.1 undecidable manual P 54 17.9709 114 0.03 98
IV.MC2.EHE. 2023-12-11T12:49:00.01 0.1 undecidable manual P 126 16.4724 116 0.11 96
IV.CESI.HHZ. 2023-12-11T12:48:59.11 0.1 undecidable manual P 275 9.6792 130 0.35 93
IV.MML1.EHZ. 2023-12-11T12:48:59.44 0.3 undecidable manual P 342 13.4754 121 0.06 74
IV.FDMO.HHZ. 2023-12-11T12:48:59.31 0.3 undecidable manual S 50 6.6933 140 -0.56 68
IV.FEMA.HNN. 2023-12-11T12:48:59.07 0.6 undecidable manual S 152 4.4955 151 -0.36 48
IT.MTCL.HGZ. 2023-12-11T12:48:58.78 0.6 undecidable manual S 258 2.0979 166 -0.34 48
IV.FEMA.HNN. 2023-12-11T12:48:58.09 0.1 undecidable manual P 152 4.4955 151 0.01 100
IV.FDMO.HHZ. 2023-12-11T12:48:58.23 0.1 undecidable manual P 50 6.6933 140 -0.1 99
IT.MTCL.HGZ. 2023-12-11T12:48:57.72 0.1 undecidable manual P 258 2.0979 166 -0.18 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.6 0.0007564999999999999 0.56 AML other m 2023-12-11T12:48:59.42
IV.FDMO.HHE. ML:1.7 0.000891 0.3 AML other m 2023-12-11T12:48:59.55
IV.CESI.HHN. ML:1.4 0.00040100000000000004 0.32 AML other m 2023-12-11T12:49:01.31
IV.CESI.HHE. ML:1.4 0.000365 0.32 AML other m 2023-12-11T12:49:01.31
IV.ARVD.HHN. ML:1.3 0.0000518 0.42 AML other m 2023-12-11T12:49:03.32
IV.MML1.EHE. ML:1.0 0.00010025000000000001 1.04 AML other m 2023-12-11T12:49:03.70
IV.MML1.EHN. ML:1.0 0.000124 0.44 AML other m 2023-12-11T12:49:03.72
IV.NRCA.HHN. ML:1.5 0.0002485 1.14 AML other m 2023-12-11T12:49:05.70
IV.ARVD.HHE. ML:1.2 0.00003395 0.48 AML other m 2023-12-11T12:49:05.24
IV.NRCA.HHE. ML:1.4 0.00018449999999999999 0.66 AML other m 2023-12-11T12:49:05.45
IV.GUMA.HHN. ML:1.6 0.0002365 0.18 AML other m 2023-12-11T12:49:06.65
IV.GUMA.HHE. ML:1.5 0.00019 0.9 AML other m 2023-12-11T12:49:07.14
IV.LNSS.HHE. ML:1.3 0.00006335000000000001 0.36 AML other m 2023-12-11T12:49:11.48
IV.LNSS.HHN. ML:1.4 0.0000725 0.7 AML other m 2023-12-11T12:49:12.44
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