Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 11-01-2022 and time 20:44:54 (UTC) in region 8 km W Monte Cavallo (MC)

A magnitude ML 1.2 earthquake occured in region: 8 km W Monte Cavallo (MC), on

  • 11-01-2022 20:44:54 (UTC)
  • 11-01-2022 21:44:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9850, 12.9100 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 8 145 145
Serravalle di Chienti MC 10 1070 1215
Sellano PG 11 1079 2294
Pieve Torina MC 13 1458 3752
Valtopina PG 15 1398 5150
Muccia MC 15 915 6065
Visso MC 16 1107 7172
Preci PG 16 724 7896
Fiordimonte MC 16 202 8098
Pievebovigliana MC 17 866 8964
Foligno PG 17 57155 66119
Nocera Umbra PG 17 5839 71958
Trevi PG 18 8469 80427
Sefro MC 18 422 80849
Cerreto di Spoleto PG 18 1075 81924
Ussita MC 19 444 82368
Spello PG 19 8645 91013

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km E of Foligno (57155 inhabitants)
45 Km E of Perugia (166134 inhabitants)
52 Km NE of Terni (111501 inhabitants)
74 Km W of Teramo (54892 inhabitants)
81 Km NW of L'Aquila (69753 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
91 Km NE of Viterbo (67173 inhabitants)
96 Km S of Fano (60888 inhabitants)
99 Km SE of Arezzo (99543 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
20:44:54		 42.9852 12.9103 8 2022-01-11
20:51:55		 Sala Sismica INGV-Roma 99659581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-11 20:44:54 ± 0.07
Latitude 42.9852 ± 0.0027
Longitude 12.9103 ± 0.0049
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 99659581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 390
Semi-minor axis of confidence ellipse (meter) 143
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 256
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.51351
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 99659581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-11 20:51:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SARZ.HHZ. 2022-01-11T20:46:03.64 3.0 positive manual Pg 18.969999 0
IV.MSSA.HHZ. 2022-01-11T20:45:40.18 3.0 undecidable manual Pn 4.94 0
AC.SRN.HHZ. 2022-01-11T20:45:20.88 3.0 undecidable manual Pg 8.4 0
IV.RIBO.EHZ.01 2022-01-11T20:45:13.55 3.0 undecidable manual Pn 1.93 0
IV.ARVD.HHZ. 2022-01-11T20:45:13.44 0.6 undecidable manual S 3 56.9985 50 0.17 50
IV.GRI.EHZ. 2022-01-11T20:45:12.49 3.0 undecidable manual Sn -4.12 0
IV.GAVE.EHZ. 2022-01-11T20:45:06.37 0.6 undecidable manual S 182 32.5452 104 -0.23 51
IV.ARVD.HHZ. 2022-01-11T20:45:05.69 0.1 undecidable manual P 3 56.9985 50 0.16 100
IV.SNTG.HHZ. 2022-01-11T20:45:05.35 0.6 undecidable manual S 5 30.0477 105 -0.41 50
IV.CSP1.EHZ. 2022-01-11T20:45:04.24 0.6 undecidable manual S 64 26.6511 107 -0.39 50
IV.NRCA.HHZ. 2022-01-11T20:45:03.73 0.6 undecidable manual S 135 23.5542 109 0.1 54
IV.ASSB.HHZ. 2022-01-11T20:45:02.87 0.6 undecidable manual S 287 21.3675 111 -0.04 55
IV.GAVE.EHZ. 2022-01-11T20:45:01.57 0.3 negative manual P 182 32.5452 104 -0.11 79
IV.FDMO.HHZ. 2022-01-11T20:45:01.28 0.6 undecidable manual S 68 15.4734 118 0.26 53
IV.NRCA.HHZ. 2022-01-11T20:45:00.02 0.6 positive manual P 135 23.5542 109 0.06 54
IV.CSP1.EHZ. 2022-01-11T20:45:00.42 0.6 positive manual P 64 26.6511 107 -0.12 53
IV.SNTG.HHZ. 2022-01-11T20:45:00.99 0.6 undecidable manual P 5 30.0477 105 -0.21 52
IV.ASSB.HHZ. 2022-01-11T20:44:59.56 0.3 positive manual P 287 21.3675 111 0.01 82
IV.CESI.HHZ. 2022-01-11T20:44:58.18 0.6 undecidable manual S 348 2.2977 165 0.28 54
IV.FDMO.HHZ. 2022-01-11T20:44:58.63 0.6 negative manual P 68 15.4734 118 0.17 54
IV.POFI.HHZ. 2022-01-11T20:44:56.01 3.0 undecidable manual S -5.84 0
IV.CESI.HHZ. 2022-01-11T20:44:56.93 1.0 undecidable manual P 348 2.2977 165 0.27 27
IV.AIO.HHZ. 2022-01-11T20:44:55.44 3.0 positive manual Pn -0.7 0
OT.OT17.EHZ. 2022-01-11T20:44:30.11 3.0 positive manual P -4 0
IV.SLCN.HHZ. 2022-01-11T20:44:28.74 3.0 undecidable manual S -2.92 0
IV.PAOL.HHZ. 2022-01-11T20:44:21.31 3.0 undecidable manual P -2.8 0
IV.MCRV.HHZ. 2022-01-11T20:44:19.66 3.0 undecidable manual S 1.1 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.9 0.000077 0.64 AML other m 2022-01-11T20:45:00.85
IV.FDMO.HHN. ML:1.0 0.0000979 0.68 AML other m 2022-01-11T20:45:02.02
IV.CESI.HNE. ML:0.0 0.000191524735 0.064 AML other m 2022-01-11T20:44:58.28
IV.CESI.HNN. ML:0.0 0.00023539793500000001 0.064 AML other m 2022-01-11T20:44:58.30
IV.CESI.HHE. ML:0.0 0.00022607712 0.064 AML other m 2022-01-11T20:44:58.28
IV.CESI.HHN. ML:0.0 0.00024863866999999995 0.064 AML other m 2022-01-11T20:44:58.30
IV.ASSB.HHE. ML:0.9 0.00005796886 0.0768 AML other m 2022-01-11T20:45:03.26
IV.ASSB.HHN. ML:1.0 0.00007414350999999999 4.2624 AML other m 2022-01-11T20:45:02.84
IV.NRCA.HNE. ML:1.4 0.00014690779999999997 1.6256 AML other m 2022-01-11T20:45:03.30
IV.NRCA.HNN. ML:1.6 0.0002535201 0.64 AML other m 2022-01-11T20:45:04.19
IV.CSP1.EHE. ML:1.7 0.00028964184999999995 4.352 AML other m 2022-01-11T20:45:04.84
IV.CSP1.EHN. ML:1.4 0.00016190294999999998 2.7008 AML other m 2022-01-11T20:45:04.19
IV.SNTG.HHE. ML:1.3 0.00009505219000000001 2.7648 AML other m 2022-01-11T20:45:05.84
IV.SNTG.HHN. ML:1.0 0.000048040119999999996 1.1904 AML other m 2022-01-11T20:45:04.67
IV.GAVE.EHE. ML:1.1 0.00005657687 1.28 AML other m 2022-01-11T20:45:08.04
IV.GAVE.EHN. ML:1.2 0.00008103129000000001 2.4576 AML other m 2022-01-11T20:45:06.96
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