Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 22-10-2021 and time 05:49:31 (UTC) in region 2 km NE Monte Cavallo (MC)

A magnitude ML 2.0 earthquake occured in region: 2 km NE Monte Cavallo (MC), on

  • 22-10-2021 05:49:31 (UTC)
  • 22-10-2021 07:49:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0120, 13.0210 at 8 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 3 145 145
Pieve Torina MC 5 1458 1603
Fiordimonte MC 6 202 1805
Pievebovigliana MC 8 866 2671
Muccia MC 8 915 3586
Serravalle di Chienti MC 9 1070 4656
Visso MC 11 1107 5763
Fiastra MC 11 559 6322
Ussita MC 12 444 6766
Acquacanina MC 13 121 6887
Camerino MC 14 6974 13861
Preci PG 15 724 14585
Sellano PG 16 1079 15664
Sefro MC 16 422 16086
Castelsantangelo sul Nera MC 17 281 16367
Bolognola MC 17 142 16509
Pioraco MC 19 1134 17643

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
52 Km E of Perugia (166134 inhabitants)
59 Km NE of Terni (111501 inhabitants)
68 Km NW of Teramo (54892 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
93 Km S of Fano (60888 inhabitants)
100 Km NE of Viterbo (67173 inhabitants)
100 Km S of Pesaro (94582 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
Bulletin
Rev1000 		ML 2.0 2021-10-22
05:49:31		 43.012 13.0207 8 2022-03-30
13:04:38		 Bollettino Sismico Italiano INGV 101229251
Reviewed
Rev100 		ML 2.0 2021-10-22
05:49:31		 43.013 13.016 8 2021-10-22
05:57:55		 Sala Sismica INGV-Roma 96867881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-22 05:49:31 ± 0.04
Latitude 43.0120 ± 0.0027
Longitude 13.0207 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101229251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 233
Semi-minor axis of confidence ellipse (meter) 231
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 62
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 26
Number of associated phases, regardless of their use for origin computation 60
Number of defining phases 58
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.67899
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 54
Type of magnitude ML
Reference to an origin 96867881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-22 05:57:55

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 60
Type of magnitude ML
Reference to an origin 101229251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-21 14:19:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RIBO.EHZ.01 2021-10-22T05:50:20.36 3.0 undecidable manual S 2.75 0
IV.FRON.EHZ. 2021-10-22T05:49:51.13 0.6 undecidable manual S 337 60.9945 50 0.55 40
IV.RM33.EHZ. 2021-10-22T05:49:50.04 0.3 undecidable manual S 164 57.9975 50 0.25 66
IV.CESX.HHZ. 2021-10-22T05:49:49.92 0.3 undecidable manual S 218 56.9985 50 0.39 64
IV.MURB.HHZ. 2021-10-22T05:49:48.53 0.6 undecidable manual S 305 48.8178 50 1.18 31
IV.MCIV.CHZ. 2021-10-22T05:49:48.56 3.0 undecidable manual P -2.52 0
IV.SSFR.HHZ. 2021-10-22T05:49:48.36 0.6 undecidable manual S 338 50.8158 50 0.47 42
IV.LNSS.HHZ. 2021-10-22T05:49:46.45 0.6 undecidable manual S 178 45.4212 50 0.01 47
IV.CING.HHZ. 2021-10-22T05:49:45.77 0.6 undecidable manual S 19 42.7239 50 0.05 47
IV.MF5.EHZ. 2021-10-22T05:49:44.50 0.3 undecidable manual S 94 35.742 102 0.67 60
IV.GAVE.EHZ. 2021-10-22T05:49:44.16 0.6 undecidable manual S 196 36.9297 50 -0.01 48
IV.NARO.HHZ. 2021-10-22T05:49:44.37 0.3 undecidable manual P 332 75.369 50 -0.21 64
IV.ATCC.EHZ. 2021-10-22T05:49:44.19 0.3 undecidable manual S 302 36.3414 50 0.18 69
IV.MPAG.EHZ. 2021-10-22T05:49:43.97 0.3 undecidable manual P 343 71.6727 50 -0.04 67
IV.PIEI.HHZ. 2021-10-22T05:49:43.48 0.3 undecidable manual P 326 70.0743 50 -0.29 64
IV.EL6.EHZ. 2021-10-22T05:49:43.62 0.6 undecidable manual S 11 35.8419 102 -0.23 46
IV.FRON.EHZ. 2021-10-22T05:49:42.13 0.3 undecidable manual P 337 60.9945 50 -0.23 65
IV.TERO.HHZ. 2021-10-22T05:49:42.75 0.3 undecidable manual P 132 64.1913 50 -0.11 67
IV.CESX.HHZ. 2021-10-22T05:49:41.48 0.3 undecidable manual P 218 56.9985 50 -0.28 65
IV.ASSB.HHZ. 2021-10-22T05:49:41.91 0.6 undecidable manual S 277 29.5482 105 0.17 47
IV.RM33.EHZ. 2021-10-22T05:49:41.69 0.3 undecidable manual P 164 57.9975 50 -0.22 66
IT.FOPC.HGN. 2021-10-22T05:49:41.35 0.6 undecidable manual S 260 26.1516 107 0.73 40
IV.MMO1.EHZ. 2021-10-22T05:49:41.06 0.6 undecidable manual S 117 27.8499 106 -0.11 48
IV.SNTG.HHZ. 2021-10-22T05:49:41.29 0.6 undecidable manual S 347 27.75 106 0.16 47
IV.GUMA.HHZ. 2021-10-22T05:49:41.25 0.3 undecidable manual S 77 26.1516 107 0.65 62
IV.MURB.HHZ. 2021-10-22T05:49:40.42 0.3 undecidable manual P 305 48.8178 50 -0.08 69
IV.SSFR.HHZ. 2021-10-22T05:49:40.63 0.3 undecidable manual P 338 50.8158 50 -0.17 68
IV.SMA1.EHZ. 2021-10-22T05:49:40.31 0.3 undecidable manual P 149 49.5171 50 -0.28 66
IV.MOMA.HHZ. 2021-10-22T05:49:39.40 0.3 undecidable manual P 238 43.3233 50 -0.24 68
IV.NRCA.HHZ. 2021-10-22T05:49:39.35 0.6 undecidable manual S 159 21.1677 110 0.37 46
IV.LNSS.HHZ. 2021-10-22T05:49:39.53 0.3 undecidable manual P 178 45.4212 50 -0.44 64
IV.CING.HHZ. 2021-10-22T05:49:39.26 0.1 negative manual P 19 42.7239 50 -0.29 89
IV.GAVE.EHZ. 2021-10-22T05:49:38.37 0.1 undecidable manual P 196 36.9297 50 -0.29 90
IV.PF6.EHN. 2021-10-22T05:49:38.28 0.6 undecidable manual S 45 19.869 112 -0.25 47
IV.ATCC.EHZ. 2021-10-22T05:49:38.42 0.3 undecidable manual P 302 36.3414 50 -0.15 70
IV.MF5.EHZ. 2021-10-22T05:49:38.54 0.1 positive manual P 94 35.742 102 0.08 94
IV.EL6.EHZ. 2021-10-22T05:49:38.16 0.3 undecidable manual P 11 35.8419 102 -0.32 67
IV.MC2.EHZ. 2021-10-22T05:49:38.80 0.6 undecidable manual S 129 17.6712 114 0.97 37
IV.ASSB.HHZ. 2021-10-22T05:49:37.16 0.1 positive manual P 277 29.5482 105 -0.1 95
IV.SEF1.HNN. 2021-10-22T05:49:37.44 0.6 undecidable manual S 338 16.0728 116 0.1 49
IV.CSP1.EHZ. 2021-10-22T05:49:37.97 0.6 undecidable manual S 59 17.3715 114 0.23 47
IV.SNTG.HHZ. 2021-10-22T05:49:36.68 0.3 undecidable manual P 347 27.75 106 -0.23 70
IV.GUMA.HHZ. 2021-10-22T05:49:36.81 0.3 undecidable manual P 77 26.1516 107 0.21 70
IV.MML1.EHZ. 2021-10-22T05:49:36.03 0.6 undecidable manual S 341 11.9769 123 -0.06 49
IT.FOPC.HGN. 2021-10-22T05:49:36.75 0.3 undecidable manual P 260 26.1516 107 0.14 71
IV.MMO1.EHZ. 2021-10-22T05:49:36.70 0.1 positive manual P 117 27.8499 106 -0.23 93
IV.CSP1.EHZ. 2021-10-22T05:49:35.05 0.1 positive manual P 59 17.3715 114 0.1 97
IV.CESI.HHZ. 2021-10-22T05:49:35.69 0.3 undecidable manual S 265 9.4794 130 0.3 71
IV.MC2.EHZ. 2021-10-22T05:49:35.11 0.1 positive manual P 129 17.6712 114 0.11 97
IV.PF6.EHN. 2021-10-22T05:49:35.37 0.1 undecidable manual P 45 19.869 112 -0.04 98
IV.NRCA.HHZ. 2021-10-22T05:49:35.60 0.1 positive manual P 159 21.1677 110 -0.06 97
IV.SEF1.HNN. 2021-10-22T05:49:34.79 0.3 undecidable manual P 338 16.0728 116 0.07 73
IV.FDMO.HHZ. 2021-10-22T05:49:34.21 0.6 undecidable manual S 63 6.0939 142 -0.36 47
IV.MML1.EHZ. 2021-10-22T05:49:34.04 0.1 undecidable manual P 341 11.9769 123 0.04 99
IV.FEMA.HNZ. 2021-10-22T05:49:34.29 0.6 undecidable manual S 157 5.994 142 -0.28 48
IV.FEMA.HNZ. 2021-10-22T05:49:33.07 0.1 undecidable manual P 157 5.994 142 -0.05 100
IT.MTCL.HGZ. 2021-10-22T05:49:33.31 0.6 undecidable manual S 221 2.6973 161 -0.69 42
IV.CESI.HHZ. 2021-10-22T05:49:33.91 0.1 positive manual P 265 9.4794 130 0.32 94
IV.FDMO.HHZ. 2021-10-22T05:49:32.95 0.1 undecidable manual P 63 6.0939 142 -0.17 97
IT.MTCL.HGZ. 2021-10-22T05:49:32.56 0.1 positive manual P 221 2.6973 161 -0.23 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:2.1 0.0024100000000000002 0.26 AML other m 2021-10-22T05:49:34.58
IV.FDMO.HHN. ML:2.2 0.00287 0.44 AML other m 2021-10-22T05:49:35.41
IV.CESI.HHN. ML:2.2 0.002345 1.7 AML other m 2021-10-22T05:49:35.04
IV.CESI.HHE. ML:2.0 0.0016899999999999999 0.88 AML other m 2021-10-22T05:49:36.42
IV.MML1.EHN. ML:2.0 0.0011735 0.2 AML other m 2021-10-22T05:49:36.64
IV.MML1.HNN. ML:2.0 0.001175 0.18 AML other m 2021-10-22T05:49:36.64
IV.MML1.HNE. ML:1.6 0.0005335000000000001 0.44 AML other m 2021-10-22T05:49:38.56
IV.MML1.EHE. ML:1.6 0.000536 0.84 AML other m 2021-10-22T05:49:38.77
IV.CSP1.EHN. ML:2.6 0.0033049999999999998 0.6 AML other m 2021-10-22T05:49:38.15
IV.CSP1.EHE. ML:2.4 0.0021799999999999996 1.02 AML other m 2021-10-22T05:49:38.98
IV.NRCA.HNN. ML:2.2 0.00106 0.88 AML other m 2021-10-22T05:49:39.96
IV.NRCA.HHE. ML:2.1 0.0009365 0.14 AML other m 2021-10-22T05:49:41.21
IV.NRCA.HNE. ML:2.1 0.0008905 0.12 AML other m 2021-10-22T05:49:41.21
IV.GUMA.HNE. ML:2.6 0.002125 0.26 AML other m 2021-10-22T05:49:41.65
IV.GUMA.HHN. ML:2.7 0.0028099999999999996 0.18 AML other m 2021-10-22T05:49:41.66
IV.GUMA.HNN. ML:2.5 0.0018549999999999999 0.14 AML other m 2021-10-22T05:49:41.58
IV.SNTG.HNN. ML:1.8 0.000358 0.64 AML other m 2021-10-22T05:49:41.35
IV.SNTG.HHE. ML:1.8 0.0003055 1.1 AML other m 2021-10-22T05:49:41.34
IV.NRCA.HHN. ML:2.2 0.0010474999999999998 1.36 AML other m 2021-10-22T05:49:41.21
IV.GUMA.HHE. ML:2.6 0.002115 0.58 AML other m 2021-10-22T05:49:41.61
IV.ASSB.HHN. ML:2.0 0.0005470000000000001 1.44 AML other m 2021-10-22T05:49:41.24
IV.ASSB.HHE. ML:2.1 0.0006675 1.72 AML other m 2021-10-22T05:49:42.11
IV.SNTG.HHN. ML:1.9 0.000398 0.48 AML other m 2021-10-22T05:49:42.35
IV.SNTG.HNE. ML:1.8 0.0003585 0.38 AML other m 2021-10-22T05:49:42.34
IV.ATCC.EHE. ML:1.9 0.0003205 0.44 AML other m 2021-10-22T05:49:44.78
IV.EL6.EHE. ML:2.3 0.0007844999999999999 1.42 AML other m 2021-10-22T05:49:44.79
IV.EL6.EHN. ML:2.4 0.0009164999999999999 0.36 AML other m 2021-10-22T05:49:44.91
IV.MF5.EHE. ML:2.2 0.0006025000000000001 0.22 AML other m 2021-10-22T05:49:45.01
IV.MF5.EHN. ML:2.0 0.000364 0.52 AML other m 2021-10-22T05:49:45.28
IV.ATCC.EHN. ML:1.9 0.0002855 1.12 AML other m 2021-10-22T05:49:45.14
IV.GAVE.EHE. ML:2.1 0.0004925 0.24 AML other m 2021-10-22T05:49:45.82
IV.CING.HHN. ML:2.0 0.0002855 0.18 AML other m 2021-10-22T05:49:45.99
IV.CING.HHE. ML:2.2 0.000454 0.54 AML other m 2021-10-22T05:49:46.10
IV.GAVE.EHN. ML:2.1 0.00046950000000000003 0.8 AML other m 2021-10-22T05:49:46.90
IV.LNSS.HNN. ML:2.1 0.00036449999999999997 1 AML other m 2021-10-22T05:49:46.85
IV.LNSS.HHN. ML:2.1 0.00037 1.68 AML other m 2021-10-22T05:49:46.85
IV.LNSS.HHE. ML:2.1 0.00035549999999999997 0.16 AML other m 2021-10-22T05:49:46.96
IV.LNSS.HNE. ML:2.1 0.000358 0.18 AML other m 2021-10-22T05:49:46.88
IV.MOMA.HNN. ML:2.0 0.000286 0.42 AML other m 2021-10-22T05:49:47.55
IV.MOMA.HHN. ML:1.9 0.0002735 0.24 AML other m 2021-10-22T05:49:47.55
IV.MOMA.HHE. ML:2.0 0.000282 1.08 AML other m 2021-10-22T05:49:48.95
IV.MOMA.HNE. ML:1.9 0.0002655 0.66 AML other m 2021-10-22T05:49:48.52
IV.SSFR.HNE. ML:2.3 0.0005200000000000001 0.16 AML other m 2021-10-22T05:49:50.08
IV.SSFR.HHE. ML:2.3 0.000503 0.18 AML other m 2021-10-22T05:49:50.10
IV.SSFR.HHN. ML:2.1 0.00034399999999999996 0.32 AML other m 2021-10-22T05:49:50.33
IV.SMA1.EHE. ML:1.7 0.00014549999999999999 1.38 AML other m 2021-10-22T05:49:50.03
IV.MURB.HNN. ML:2.3 0.0005344999999999999 0.4 AML other m 2021-10-22T05:49:51.66
IV.MURB.HHN. ML:2.3 0.000551 0.32 AML other m 2021-10-22T05:49:51.78
IV.FRON.EHN. ML:1.8 0.000121 0.8 AML other m 2021-10-22T05:49:51.91
IV.MURB.HHE. ML:2.3 0.0005235 0.3 AML other m 2021-10-22T05:49:51.99
IV.MURB.HNE. ML:2.3 0.0005035 0.3 AML other m 2021-10-22T05:49:51.99
IV.SSFR.HNN. ML:2.2 0.0004415 0.7 AML other m 2021-10-22T05:49:52.54
IV.CESX.HHE. ML:1.9 0.000174 0.48 AML other m 2021-10-22T05:49:52.41
IV.FRON.EHE. ML:1.8 0.00011449999999999999 0.48 AML other m 2021-10-22T05:49:52.45
IV.RM33.EHE. ML:1.6 0.0000843 0.48 AML other m 2021-10-22T05:49:52.98
IV.RM33.EHN. ML:1.6 0.00008185000000000001 1.08 AML other m 2021-10-22T05:49:52.27
IV.CESX.HHN. ML:1.9 0.0001715 0.4 AML other m 2021-10-22T05:49:53.16
IV.PIEI.HHN. ML:1.6 0.00006120000000000001 1.52 AML other m 2021-10-22T05:49:54.01
IV.SMA1.EHN. ML:1.6 0.000119 1.52 AML other m 2021-10-22T05:49:54.10
IV.MPAG.EHN. ML:1.6 0.00006934999999999999 0.58 AML other m 2021-10-22T05:49:56.40
IV.PIEI.HHE. ML:1.6 0.00007185 1.02 AML other m 2021-10-22T05:49:56.35
IV.MPAG.EHE. ML:1.6 0.0000708 0.6 AML other m 2021-10-22T05:49:56.42
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