Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 11-01-2022 and time 06:40:48 (UTC) in region 4 km SE Monte Cavallo (MC)

A magnitude ML 1.2 earthquake occured in region: 4 km SE Monte Cavallo (MC), on

  • 11-01-2022 06:40:48 (UTC)
  • 11-01-2022 07:40:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9670, 13.0400 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
Monte Cavallo MC 4 145 145
Visso MC 6 1107 1252
Ussita MC 8 444 1696
Pieve Torina MC 9 1458 3154
Fiordimonte MC 9 202 3356
Preci PG 10 724 4080
Pievebovigliana MC 11 866 4946
Castelsantangelo sul Nera MC 12 281 5227
Fiastra MC 12 559 5786
Sellano PG 13 1079 6865
Muccia MC 13 915 7780
Acquacanina MC 13 121 7901
Serravalle di Chienti MC 14 1070 8971
Bolognola MC 16 142 9113
Camerino MC 19 6974 16087
Cerreto di Spoleto PG 19 1075 17162
Norcia PG 20 4957 22119

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
55 Km E of Perugia (166134 inhabitants)
55 Km NE of Terni (111501 inhabitants)
64 Km NW of Teramo (54892 inhabitants)
74 Km NW of L'Aquila (69753 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
98 Km S of Fano (60888 inhabitants)
98 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 2022-01-11
06:40:48		 42.9667 13.0402 10 2022-01-11
06:45:15		 Sala Sismica INGV-Roma 99599861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-11 06:40:48 ± 0.14
Latitude 42.9667 ± 0.0027
Longitude 13.0402 ± 0.0037
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 99599861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 349
Semi-minor axis of confidence ellipse (meter) 176
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 38
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.22033
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 99599861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-11 06:45:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2022-01-11T06:40:57.55 0.3 undecidable manual S 108 24.4533 112 -0.2 71
IV.LNSS.HHZ. 2022-01-11T06:40:56.01 3.0 positive manual P -0.02 0
IV.CSP1.EHZ. 2022-01-11T06:40:56.05 0.1 undecidable manual S 44 19.2696 117 -0.07 98
IV.NRCA.HHZ. 2022-01-11T06:40:55.00 0.1 undecidable manual S 158 15.9729 122 -0.12 98
IV.FDMO.HHZ. 2022-01-11T06:40:53.14 0.3 undecidable manual S 26 8.6802 139 -0.03 76
IV.MMO1.EHZ. 2022-01-11T06:40:53.79 0.6 positive manual P 108 24.4533 112 -0.09 48
IV.CESI.HHZ. 2022-01-11T06:40:53.83 0.1 undecidable manual S 291 11.7771 130 -0.12 98
IV.MC2.EHZ. 2022-01-11T06:40:52.21 0.6 undecidable manual P 117 13.5753 126 0.25 48
IV.NRCA.HHZ. 2022-01-11T06:40:52.36 0.1 negative manual P 158 15.9729 122 0 100
IT.MTCL.HGE. 2022-01-11T06:40:52.17 0.1 undecidable manual S 312 4.4955 156 -0.21 98
IV.CSP1.EHZ. 2022-01-11T06:40:52.95 0.6 positive manual P 44 19.2696 117 0.01 50
IV.FEMA.HNE. 2022-01-11T06:40:52.31 0.3 undecidable manual S 123 0.8991 175 0.25 73
IV.FDMO.HHZ. 2022-01-11T06:40:51.35 0.1 undecidable manual P 26 8.6802 139 0.12 99
IV.CESI.HHZ. 2022-01-11T06:40:51.70 0.3 positive manual P 291 11.7771 130 0.02 75
IT.MTCL.HGE. 2022-01-11T06:40:50.82 0.3 undecidable manual P 312 4.4955 156 0.04 76
IV.FEMA.HNE. 2022-01-11T06:40:50.85 0.1 undecidable manual P 123 0.8991 175 0.25 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.1 0.00016249999999999997 0.82 AML other m 2022-01-11T06:40:53.64
IV.FDMO.HHN. ML:1.1 0.00018099999999999998 0.16 AML other m 2022-01-11T06:40:53.40
IV.NRCA.HHN. ML:1.4 0.0002515 0.1 AML other m 2022-01-11T06:40:55.20
IV.NRCA.HHE. ML:1.3 0.0001774 1.46 AML other m 2022-01-11T06:40:55.22
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