Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 05-11-2021 and time 19:33:19 (Italy) in region 5 km SE Monte Cavallo (MC)

A magnitude ML 1.7 earthquake occured in region: 5 km SE Monte Cavallo (MC), on

  • 05-11-2021 18:33:19 (UTC)
  • 05-11-2021 19:33:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9700, 13.0540 at 12 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 5 145 145
Visso MC 5 1107 1252
Ussita MC 8 444 1696
Fiordimonte MC 8 202 1898
Pieve Torina MC 8 1458 3356
Preci PG 10 724 4080
Pievebovigliana MC 11 866 4946
Fiastra MC 11 559 5505
Castelsantangelo sul Nera MC 12 281 5786
Acquacanina MC 12 121 5907
Muccia MC 13 915 6822
Sellano PG 14 1079 7901
Serravalle di Chienti MC 14 1070 8971
Bolognola MC 14 142 9113
Camerino MC 19 6974 16087
Norcia PG 20 4957 21044
Cerreto di Spoleto PG 20 1075 22119

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Foligno (57155 inhabitants)
56 Km E of Perugia (166134 inhabitants)
56 Km NE of Terni (111501 inhabitants)
63 Km NW of Teramo (54892 inhabitants)
74 Km NW of L'Aquila (69753 inhabitants)
81 Km SW of Ancona (100861 inhabitants)
97 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
Bulletin
Rev1000 		ML 1.7 2021-11-05
18:33:19		 42.9698 13.0537 12 2022-03-30
13:04:37		 Bollettino Sismico Italiano INGV 101025431
Reviewed
Rev100 		ML 1.7 2021-11-05
18:33:19		 42.9702 13.0575 12 2021-11-05
18:40:20		 Sala Sismica INGV-Roma 97278461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-05 18:33:19 ± 0.04
Latitude 42.9698 ± 0.0018
Longitude 13.0537 ± 0.0025
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101025431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 246
Semi-minor axis of confidence ellipse (meter) 106
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 57
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 43
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 46
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) 0.00809
Epicentral distance of station farthest from the epicenter (degree) 0.72755
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 97278461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-05 18:40:20

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 101025431
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-15 15:23:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2021-11-05T18:33:33.20 0.3 undecidable manual P 332 80.7636 91 0 66
IV.EL6.EHZ. 2021-11-05T18:33:32.85 0.6 undecidable manual S 6 40.0266 92 0.35 44
IV.PIEI.HHZ. 2021-11-05T18:33:32.65 0.3 undecidable manual P 326 75.4689 91 0.25 63
IV.GAVE.EHZ. 2021-11-05T18:33:31.12 0.6 undecidable manual S 203 33.4443 92 0.39 44
IV.MF5.EHZ. 2021-11-05T18:33:31.53 0.6 undecidable manual S 86 33.0447 92 0.92 36
IV.FRON.EHZ. 2021-11-05T18:33:30.94 0.3 undecidable manual P 337 66.2781 91 -0.04 67
IV.SNTG.HHZ. 2021-11-05T18:33:30.68 0.6 undecidable manual S 344 32.9448 92 0.09 47
IV.TERO.HHZ. 2021-11-05T18:33:30.03 0.3 undecidable manual P 130 59.0964 91 0.17 67
IV.SSFR.HHZ. 2021-11-05T18:33:29.49 0.3 undecidable manual P 337 56.1993 91 0.07 68
IV.ARVD.HHZ. 2021-11-05T18:33:29.88 0.3 undecidable manual P 351 59.2962 91 -0.02 68
IV.RM33.EHZ. 2021-11-05T18:33:28.83 0.3 undecidable manual P 166 52.8027 91 -0.07 68
IV.MDAR.HNZ. 2021-11-05T18:33:28.60 0.6 undecidable manual S 16 25.752 94 -0.08 48
IV.GUMA.HHZ. 2021-11-05T18:33:28.91 0.6 undecidable manual S 66 25.0527 94 0.41 45
IV.CING.HHZ. 2021-11-05T18:33:27.87 0.3 undecidable manual P 14 46.4202 91 -0.05 70
IV.ATCC.EHZ. 2021-11-05T18:33:27.20 0.3 undecidable manual P 306 41.1255 92 0.1 70
IV.SEF1.HNZ. 2021-11-05T18:33:27.56 0.3 undecidable manual S 336 21.4674 96 0.03 73
IV.MOMA.HHZ. 2021-11-05T18:33:27.52 0.3 undecidable manual P 245 43.4232 92 0.07 70
IV.MMO1.EHZ. 2021-11-05T18:33:27.78 0.6 undecidable manual S 109 23.5542 95 -0.31 46
IV.SMA1.EHZ. 2021-11-05T18:33:27.44 0.3 undecidable manual P 149 44.1225 92 -0.12 69
IV.PF6.EHZ. 2021-11-05T18:33:27.23 0.6 undecidable manual S 31 21.867 95 -0.42 45
IV.MF5.EHZ. 2021-11-05T18:33:26.28 0.3 undecidable manual P 86 33.0447 92 0.43 66
IV.LNSS.HHZ. 2021-11-05T18:33:26.79 0.3 undecidable manual P 182 40.7259 92 -0.25 67
IV.MML1.EHZ. 2021-11-05T18:33:26.31 0.3 undecidable manual S 337 17.2716 100 -0.12 72
IV.CSP1.EHZ. 2021-11-05T18:33:26.49 0.3 undecidable manual S 42 18.2706 99 -0.2 71
IV.EL6.EHZ. 2021-11-05T18:33:26.86 0.3 undecidable manual P 6 40.0266 92 -0.08 70
IV.NRCA.HNZ. 2021-11-05T18:33:25.79 0.3 undecidable manual S 162 15.873 103 -0.28 70
IV.SNTG.HHZ. 2021-11-05T18:33:25.67 0.3 undecidable manual P 344 32.9448 92 -0.17 70
IV.MC2.EHZ. 2021-11-05T18:33:25.33 0.3 undecidable manual S 120 12.7761 114 0.05 74
IV.GAVE.EHZ. 2021-11-05T18:33:25.86 0.3 undecidable manual P 203 33.4443 92 -0.06 71
IV.CESI.HHZ. 2021-11-05T18:33:25.38 0.3 undecidable manual S 288 12.6762 114 0.12 73
IV.MDAR.HNZ. 2021-11-05T18:33:24.60 0.3 undecidable manual P 16 25.752 94 -0.13 71
IV.GUMA.HHZ. 2021-11-05T18:33:24.74 0.3 undecidable manual P 66 25.0527 94 0.12 71
IV.SEF1.HNZ. 2021-11-05T18:33:24.07 0.3 undecidable manual P 336 21.4674 96 0 73
IV.MMO1.EHZ. 2021-11-05T18:33:24.26 0.3 undecidable manual P 109 23.5542 95 -0.14 71
IV.CSP1.EHZ. 2021-11-05T18:33:23.53 0.1 undecidable manual P 42 18.2706 99 -0.05 97
IT.MTCL.HGZ. 2021-11-05T18:33:23.57 0.3 undecidable manual S 301 5.1948 150 -0.2 73
IV.PF6.EHZ. 2021-11-05T18:33:23.96 0.3 undecidable manual P 31 21.867 95 -0.17 71
IV.FDMO.HHZ. 2021-11-05T18:33:23.97 0.3 undecidable manual S 20 7.881 136 -0.24 72
IV.NRCA.HNZ. 2021-11-05T18:33:23.14 0.1 undecidable manual P 162 15.873 103 -0.09 97
IV.MML1.EHZ. 2021-11-05T18:33:23.45 0.3 undecidable manual P 337 17.2716 100 0.02 74
IV.FEMA.HNZ. 2021-11-05T18:33:23.49 0.3 undecidable manual S 200 0.8991 174 0.07 75
IV.MC2.EHZ. 2021-11-05T18:33:22.84 0.3 undecidable manual P 120 12.7761 114 0.07 74
IV.CESI.HHZ. 2021-11-05T18:33:22.91 0.3 undecidable manual P 288 12.6762 114 0.14 72
IV.FDMO.HHZ. 2021-11-05T18:33:22.17 0.1 undecidable manual P 20 7.881 136 0.02 100
IV.FEMA.HNZ. 2021-11-05T18:33:21.84 0.3 undecidable manual P 200 0.8991 174 0.15 74
IT.MTCL.HGZ. 2021-11-05T18:33:21.93 0.1 undecidable manual P 301 5.1948 150 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FEMA.HNN. ML:1.9 0.001212 0.4 AML other m 2021-11-05T18:33:23.73
IV.FEMA.HNE. ML:2.0 0.001695 0.14 AML other m 2021-11-05T18:33:23.71
IV.FDMO.HHN. ML:2.0 0.001385 0.14 AML other m 2021-11-05T18:33:24.15
IV.FDMO.HHE. ML:2.3 0.00235 0.16 AML other m 2021-11-05T18:33:24.13
IV.CESI.HHN. ML:1.5 0.000305 0.52 AML other m 2021-11-05T18:33:25.63
IV.NRCA.HHE. ML:2.0 0.000839 1.9 AML other m 2021-11-05T18:33:26.95
IV.NRCA.HNE. ML:2.0 0.0007905 1.88 AML other m 2021-11-05T18:33:26.95
IV.CESI.HHE. ML:1.4 0.0002615 0.9 AML other m 2021-11-05T18:33:26.56
IV.NRCA.HHN. ML:2.0 0.000936 0.72 AML other m 2021-11-05T18:33:26.56
IV.NRCA.HNN. ML:2.0 0.0007985 0.08 AML other m 2021-11-05T18:33:26.56
IV.MML1.EHE. ML:1.6 0.00028349999999999995 1.06 AML other m 2021-11-05T18:33:26.71
IV.CSP1.EHN. ML:2.2 0.00127 0.18 AML other m 2021-11-05T18:33:27.17
IV.MML1.EHN. ML:1.6 0.0003465 1.14 AML other m 2021-11-05T18:33:27.35
IV.CSP1.EHE. ML:2.3 0.00145 0.3 AML other m 2021-11-05T18:33:27.47
IV.GUMA.HNE. ML:1.9 0.00043599999999999997 0.18 AML other m 2021-11-05T18:33:29.09
IV.GUMA.HHE. ML:2.0 0.000576 0.18 AML other m 2021-11-05T18:33:29.10
IV.GUMA.HNN. ML:1.7 0.000303 1.3 AML other m 2021-11-05T18:33:29.80
IV.GUMA.HHN. ML:1.7 0.0003015 0.96 AML other m 2021-11-05T18:33:29.82
IV.SNTG.HHN. ML:1.2 0.00006765 1.14 AML other m 2021-11-05T18:33:31.21
IV.SNTG.HHE. ML:1.4 0.00009975 0.6 AML other m 2021-11-05T18:33:31.92
IV.GAVE.EHE. ML:1.6 0.0001515 0.28 AML other m 2021-11-05T18:33:31.69
IV.GAVE.EHN. ML:1.6 0.00018449999999999999 1.7 AML other m 2021-11-05T18:33:31.90
IV.EL6.EHE. ML:1.6 0.00012285 0.96 AML other m 2021-11-05T18:33:33.38
IV.EL6.EHN. ML:1.7 0.0001655 0.78 AML other m 2021-11-05T18:33:33.54
IV.LNSS.HHN. ML:1.3 0.00007065 0.46 AML other m 2021-11-05T18:33:34.51
IV.CING.HHE. ML:1.4 0.0000627 1.42 AML other m 2021-11-05T18:33:35.82
IV.MOMA.HHE. ML:1.5 0.00009535 0.6 AML other m 2021-11-05T18:33:35.48
IV.MOMA.HHN. ML:1.2 0.0000426 0.78 AML other m 2021-11-05T18:33:35.87
IV.CING.HHN. ML:1.4 0.00006305 0.44 AML other m 2021-11-05T18:33:36.21
IV.SSFR.HHN. ML:1.5 0.00007535 1.28 AML other m 2021-11-05T18:33:38.87
IV.LNSS.HHE. ML:1.2 0.00005365 1.32 AML other m 2021-11-05T18:33:38.89
IV.SSFR.HHE. ML:1.5 0.00007175000000000001 1.38 AML other m 2021-11-05T18:33:39.72
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