Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 20-11-2021 and time 20:23:43 (Italy) in region 2 km E Fiordimonte (MC)

A magnitude ML 1.5 earthquake occured in region: 2 km E Fiordimonte (MC), on

  • 20-11-2021 19:23:43 (UTC)
  • 20-11-2021 20:23:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0350, 13.1130 at 9 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
Fiordimonte MC 2 202 202
Fiastra MC 4 559 761
Pievebovigliana MC 4 866 1627
Acquacanina MC 5 121 1748
Pieve Torina MC 5 1458 3206
Muccia MC 8 915 4121
Monte Cavallo MC 10 145 4266
Ussita MC 10 444 4710
Bolognola MC 10 142 4852
Visso MC 12 1107 5959
Camerino MC 12 6974 12933
Serravalle di Chienti MC 14 1070 14003
Cessapalombo MC 15 512 14515
Caldarola MC 15 1823 16338
Sarnano MC 15 3264 19602
Castelsantangelo sul Nera MC 16 281 19883
Camporotondo di Fiastrone MC 17 563 20446
Serrapetrona MC 17 966 21412
Belforte del Chienti MC 18 1886 23298
Sefro MC 18 422 23720
Preci PG 18 724 24444
San Ginesio MC 19 3498 27942
Gualdo MC 19 815 28757
Pioraco MC 19 1134 29891
Castelraimondo MC 20 4587 34478

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
59 Km E of Perugia (166134 inhabitants)
64 Km NW of Teramo (54892 inhabitants)
65 Km NE of Terni (111501 inhabitants)
73 Km SW of Ancona (100861 inhabitants)
79 Km NW of L'Aquila (69753 inhabitants)
90 Km S of Fano (60888 inhabitants)
99 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 1.5 2021-11-20
19:23:43		 43.035 13.1132 9 2022-03-30
13:04:21		 Bollettino Sismico Italiano INGV 98375461
Reviewed
Rev100 		ML 1.5 2021-11-20
19:23:44		 43.0395 13.1133 9 2021-11-20
19:29:23		 Sala Sismica INGV-Roma 97636721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-20 19:23:43 ± 0.04
Latitude 43.0350 ± 0.0027
Longitude 13.1132 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 98375461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 268
Semi-minor axis of confidence ellipse (meter) 239
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 69
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 28
Number of associated phases, regardless of their use for origin computation 61
Number of defining phases 61
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.01889
Epicentral distance of station farthest from the epicenter (degree) 0.65381
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 66
Type of magnitude ML
Reference to an origin 98375461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-24 17:37:28

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 68
Type of magnitude ML
Reference to an origin 97636721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-20 19:29:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2021-11-20T19:24:06.96 0.6 undecidable manual S 320 72.5718 50 0.77 36
IV.TERO.HHZ. 2021-11-20T19:24:03.32 0.6 undecidable manual S 139 60.6948 50 0.29 43
IV.RM33.EHZ. 2021-11-20T19:24:02.80 0.6 undecidable manual S 172 58.8966 50 0.24 43
IV.MURB.HHZ. 2021-11-20T19:24:02.11 0.3 undecidable manual S 298 53.9016 50 0.89 53
IV.ARVD.HHZ. 2021-11-20T19:24:01.68 0.3 undecidable manual S 345 53.2023 50 0.65 58
IV.MOMA.HHZ. 2021-11-20T19:24:00.86 0.6 undecidable manual S 240 51.0156 50 0.42 42
IV.LNSS.HHZ. 2021-11-20T19:23:59.57 0.6 undecidable manual S 187 48.3183 50 -0.14 45
IV.SMA1.EHZ. 2021-11-20T19:23:59.57 0.6 undecidable manual S 158 48.4182 50 -0.16 45
IV.ATCC.EHZ. 2021-11-20T19:23:58.25 0.3 undecidable manual S 294 41.8248 50 0.28 66
IV.GAVE.EHZ. 2021-11-20T19:23:57.79 0.6 undecidable manual S 205 42.0246 50 -0.24 45
IV.FOSV.EHZ. 2021-11-20T19:23:57.61 0.6 undecidable manual S 315 40.5261 50 -0.03 47
IV.CING.HHZ. 2021-11-20T19:23:56.79 0.6 undecidable manual S 10 38.3283 50 -0.27 45
IV.PIEI.HHZ. 2021-11-20T19:23:56.74 0.6 undecidable manual P 320 72.5718 50 -0.05 44
IV.ASSB.HHZ. 2021-11-20T19:23:56.50 0.3 undecidable manual S 271 36.8298 50 -0.16 69
IV.EL6.EHZ. 2021-11-20T19:23:55.19 0.6 undecidable manual S 358 32.6451 50 -0.35 44
IV.MF5.EHZ. 2021-11-20T19:23:54.75 0.6 undecidable manual S 100 28.6491 108 0.38 44
IV.RM33.EHZ. 2021-11-20T19:23:54.43 0.1 undecidable manual P 172 58.8966 50 -0.26 86
IV.TERO.HHZ. 2021-11-20T19:23:54.76 0.3 undecidable manual P 139 60.6948 50 -0.2 65
IV.MURB.HHZ. 2021-11-20T19:23:53.88 0.1 undecidable manual P 298 53.9016 50 -0.04 91
IV.OFFI.HHZ. 2021-11-20T19:23:53.80 0.1 undecidable manual P 103 47.8188 50 0.83 73
IV.SAP2.EHZ. 2021-11-20T19:23:53.76 0.6 undecidable manual S 73 24.1536 111 0.84 38
IV.SNTG.HHZ. 2021-11-20T19:23:53.77 0.3 undecidable manual S 330 28.1496 108 -0.44 66
IV.MOMA.HHZ. 2021-11-20T19:23:53.25 0.1 undecidable manual P 240 51.0156 50 -0.22 88
IV.ARVD.HHZ. 2021-11-20T19:23:53.56 0.3 undecidable manual P 345 53.2023 50 -0.24 65
IV.MNTT.EHZ. 2021-11-20T19:23:52.08 0.3 undecidable manual P 85 39.2274 50 0.42 65
IV.MMO1.EHZ. 2021-11-20T19:23:52.08 0.3 undecidable manual S 131 22.9548 112 -0.45 66
IV.SMA1.EHZ. 2021-11-20T19:23:52.63 0.1 undecidable manual P 158 48.4182 50 -0.43 85
IV.LNSS.HHZ. 2021-11-20T19:23:52.69 0.1 undecidable manual P 187 48.3183 50 -0.36 86
IV.NRCA.HHZ. 2021-11-20T19:23:52.01 0.6 undecidable manual S 180 22.3554 112 -0.32 45
IV.FOSV.EHZ. 2021-11-20T19:23:52.07 0.3 undecidable manual P 315 40.5261 50 0.22 67
IV.CING.HHZ. 2021-11-20T19:23:51.28 0.1 undecidable manual P 10 38.3283 50 -0.24 90
IV.GAVE.EHZ. 2021-11-20T19:23:51.92 0.1 undecidable manual P 205 42.0246 50 -0.16 91
IV.GUMA.HHZ. 2021-11-20T19:23:51.49 0.6 undecidable manual S 80 18.2706 117 0.45 44
IV.ATCC.EHZ. 2021-11-20T19:23:51.95 0.3 undecidable manual P 294 41.8248 50 -0.09 69
IV.ASSB.HHZ. 2021-11-20T19:23:51.02 0.1 positive manual P 271 36.8298 50 -0.26 90
IV.MML1.EHZ. 2021-11-20T19:23:50.02 0.3 undecidable manual S 307 14.3745 123 0.15 71
IV.MDAR.HNZ. 2021-11-20T19:23:50.51 0.3 undecidable manual S 8 17.6712 117 -0.35 68
IV.MC2.EHZ. 2021-11-20T19:23:50.18 0.3 undecidable manual S 156 15.0738 121 0.12 72
IV.MF5.EHZ. 2021-11-20T19:23:50.06 0.1 undecidable manual P 100 28.6491 108 0.1 94
IV.CESI.HHZ. 2021-11-20T19:23:50.99 0.3 undecidable manual S 259 17.2716 118 0.27 69
IV.EL6.EHZ. 2021-11-20T19:23:50.22 0.1 undecidable manual P 358 32.6451 50 -0.42 87
IV.PF6.EHN. 2021-11-20T19:23:49.29 0.3 undecidable manual S 30 13.1757 125 -0.23 71
IV.SNTG.HHZ. 2021-11-20T19:23:49.47 0.1 undecidable manual P 330 28.1496 108 -0.4 88
IV.SAP2.EHZ. 2021-11-20T19:23:49.32 0.1 undecidable manual P 73 24.1536 111 0.19 93
IT.MTCL.HGZ. 2021-11-20T19:23:48.87 0.3 undecidable manual S 244 10.2786 132 0.14 72
IV.GUMA.HHZ. 2021-11-20T19:23:48.24 0.1 undecidable manual P 80 18.2706 117 0.2 94
IV.CSP1.EHZ. 2021-11-20T19:23:48.40 0.3 undecidable manual S 50 9.7791 133 -0.2 71
IV.CESI.HHZ. 2021-11-20T19:23:48.05 0.1 positive manual P 259 17.2716 118 0.19 94
IV.NRCA.HHZ. 2021-11-20T19:23:48.62 0.1 undecidable manual P 180 22.3554 112 -0.17 94
IV.MMO1.EHZ. 2021-11-20T19:23:48.65 0.3 undecidable manual P 131 22.9548 112 -0.25 69
IV.GAG1.HNE. 2021-11-20T19:23:48.75 0.3 undecidable manual P 351 22.8549 112 -0.13 71
IV.FEMA.HNZ. 2021-11-20T19:23:48.82 0.3 undecidable manual S 212 9.5793 134 0.27 70
IV.MDAR.HNZ. 2021-11-20T19:23:48.01 0.3 undecidable manual P 8 17.6712 117 0.07 72
IV.PF6.EHN. 2021-11-20T19:23:47.10 0.1 undecidable manual P 30 13.1757 125 -0.06 97
IV.MML1.EHZ. 2021-11-20T19:23:47.51 0.1 undecidable manual P 307 14.3745 123 0.14 96
IV.MC2.EHZ. 2021-11-20T19:23:47.57 0.1 negative manual P 156 15.0738 121 0.1 96
IV.FEMA.HNZ. 2021-11-20T19:23:46.85 0.1 undecidable manual P 212 9.5793 134 0.25 94
IT.MTCL.HGZ. 2021-11-20T19:23:46.89 0.1 undecidable manual P 244 10.2786 132 0.18 95
IV.CSP1.EHZ. 2021-11-20T19:23:46.69 0.1 undecidable manual P 50 9.7791 133 0.06 98
IV.FDMO.HHZ. 2021-11-20T19:23:46.98 0.3 undecidable manual S 275 2.0979 167 -0.24 72
IV.FDMO.HHZ. 2021-11-20T19:23:45.81 0.1 undecidable manual P 275 2.0979 167 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHE. ML:2.4 0.0034041465 0.1152 AML other m 2021-11-20T19:23:48.68
IV.CSP1.EHN. ML:2.4 0.003005883 0.2048 AML other m 2021-11-20T19:23:49.03
IV.FEMA.HNN. ML:1.7 0.00065793815 0.128 AML other m 2021-11-20T19:23:49.39
IV.FEMA.HNE. ML:1.7 0.00071876785 0.0896 AML other m 2021-11-20T19:23:49.64
IV.MML1.HNE. ML:1.6 0.00039802415 0.2432 AML other m 2021-11-20T19:23:50.41
IV.MC2.EHE. ML:1.4 0.00022986024999999997 0.2816 AML other m 2021-11-20T19:23:50.43
IV.MC2.EHN. ML:1.4 0.000250111315 0.3072 AML other m 2021-11-20T19:23:50.48
IV.MML1.EHN. ML:1.8 0.0006011136999999999 0.256 AML other m 2021-11-20T19:23:50.53
IV.MML1.HNN. ML:1.8 0.0006100156999999999 0.256 AML other m 2021-11-20T19:23:50.53
IV.MML1.EHE. ML:1.6 0.0003951165 0.0896 AML other m 2021-11-20T19:23:50.76
IV.CESI.HHE. ML:1.2 0.00014868690000000001 0.2432 AML other m 2021-11-20T19:23:51.03
IV.CESI.HNE. ML:1.2 0.0001463082 0.2304 AML other m 2021-11-20T19:23:51.04
IV.GUMA.HHN. ML:1.7 0.0003970293 0.1792 AML other m 2021-11-20T19:23:51.60
IV.GUMA.HNE. ML:1.7 0.00038206975 0.4992 AML other m 2021-11-20T19:23:51.58
IV.NRCA.HNE. ML:1.7 0.00030910225000000004 0.0896 AML other m 2021-11-20T19:23:52.25
IV.NRCA.HHE. ML:1.7 0.00034141985000000005 0.0896 AML other m 2021-11-20T19:23:52.25
IV.MMO1.EHE. ML:1.4 0.00015612075 0.1408 AML other m 2021-11-20T19:23:52.77
IV.CESI.HHN. ML:1.4 0.00019665725000000002 0.2048 AML other m 2021-11-20T19:23:52.74
IV.MMO1.EHN. ML:1.5 0.00020698925 0.2432 AML other m 2021-11-20T19:23:53.06
IV.GUMA.HHE. ML:1.6 0.00032821224999999996 0.4608 AML other m 2021-11-20T19:23:53.75
IV.SNTG.HHN. ML:1.0 0.000055202870000000004 0.2176 AML other m 2021-11-20T19:23:53.96
IV.NRCA.HNN. ML:1.6 0.0002674743 0.1024 AML other m 2021-11-20T19:23:53.96
IV.NRCA.HHN. ML:1.6 0.00029516615 0.1536 AML other m 2021-11-20T19:23:54.46
IV.SNTG.HHE. ML:0.9 0.000045815099999999994 0.128 AML other m 2021-11-20T19:23:54.41
IV.MF5.EHN. ML:1.4 0.000145410695 0.3584 AML other m 2021-11-20T19:23:55.23
IV.MF5.EHE. ML:1.2 0.00008530147000000001 0.2048 AML other m 2021-11-20T19:23:55.30
IV.SAP2.EHN. ML:2.1 0.0007548364000000001 0.2048 AML other m 2021-11-20T19:23:55.67
IV.EL6.EHN. ML:1.6 0.00018980055 0.1536 AML other m 2021-11-20T19:23:56.54
IV.GUMA.HNN. ML:1.6 0.000290850035 0.4608 AML other m 2021-11-20T19:23:56.81
IV.EL6.EHE. ML:1.4 0.0001205985 0.1792 AML other m 2021-11-20T19:23:56.63
IV.SAP2.EHE. ML:1.2 0.00011121335999999999 0.2048 AML other m 2021-11-20T19:23:56.87
IV.ASSB.HHE. ML:1.4 0.00008351006 0.0768 AML other m 2021-11-20T19:23:57.31
IV.CING.HHN. ML:1.3 0.000070126595 0.1024 AML other m 2021-11-20T19:23:57.74
IV.CING.HHE. ML:1.2 0.00006584878499999999 0.0768 AML other m 2021-11-20T19:23:57.82
IV.FOSV.EHN. ML:1.2 0.000060087035 0.256 AML other m 2021-11-20T19:23:57.94
IV.FOSV.HNN. ML:1.3 0.00007684159 1.6416 AML other m 2021-11-20T19:23:58.94
IV.FOSV.EHE. ML:1.0 0.00003295488 0.1792 AML other m 2021-11-20T19:23:58.06
IV.GAVE.EHN. ML:1.7 0.0001536357 0.2048 AML other m 2021-11-20T19:23:58.22
IV.ATCC.EHN. ML:1.4 0.00008827481 0.1408 AML other m 2021-11-20T19:23:58.45
IV.ATCC.HNE. ML:1.5 0.00011691763499999999 0.3712 AML other m 2021-11-20T19:23:58.51
IV.ATCC.EHE. ML:1.6 0.00013027364999999998 0.1408 AML other m 2021-11-20T19:23:58.52
IV.ASSB.HHN. ML:1.4 0.00008665615 0.1536 AML other m 2021-11-20T19:23:58.88
IV.GAVE.HNE. ML:1.8 0.00019061485 0.2176 AML other m 2021-11-20T19:23:59.65
IV.LNSS.HHE. ML:1.5 0.00009268027500000001 1.8336 AML other m 2021-11-20T19:24:00.93
IV.LNSS.HNE. ML:1.5 0.000093658485 0.128 AML other m 2021-11-20T19:24:00.01
IV.LNSS.HHN. ML:1.3 0.00006101579 0.2304 AML other m 2021-11-20T19:24:00.01
IV.GAVE.EHE. ML:1.7 0.0001796548 0.1664 AML other m 2021-11-20T19:24:00.20
IV.SMA1.EHE. ML:1.1 0.000033221835 0.1408 AML other m 2021-11-20T19:24:00.59
IV.MNTT.EHN. ML:1.7 0.00017718245 0.2048 AML other m 2021-11-20T19:24:01.46
IV.ARVD.HHN. ML:0.8 0.000017080185000000002 0.1024 AML other m 2021-11-20T19:24:02.08
IV.MNTT.EHE. ML:1.6 0.00014851855 0.2304 AML other m 2021-11-20T19:24:02.18
IV.MOMA.HHN. ML:1.5 0.00008024589 0.2048 AML other m 2021-11-20T19:24:02.24
IV.ARVD.HHE. ML:1.1 0.000030296305000000004 0.1024 AML other m 2021-11-20T19:24:02.36
IV.MOMA.HHE. ML:1.6 0.00010381957999999999 0.2048 AML other m 2021-11-20T19:24:02.45
IV.SMA1.EHN. ML:1.2 0.000038433385 0.2048 AML other m 2021-11-20T19:24:02.51
IV.MURB.HHE. ML:1.7 0.00012143665000000001 1.7568 AML other m 2021-11-20T19:24:03.92
IV.MURB.HNE. ML:1.7 0.0001310441 1.7568 AML other m 2021-11-20T19:24:03.92
IV.RM33.EHN. ML:1.0 0.00002244305 0.1024 AML other m 2021-11-20T19:24:03.35
IV.OFFI.HHE. ML:1.4 0.00006627681 0.256 AML other m 2021-11-20T19:24:03.28
IV.OFFI.HHN. ML:1.5 0.000082199655 0.1792 AML other m 2021-11-20T19:24:03.49
IV.TERO.HHN. ML:1.3 0.000040005479999999994 0.1024 AML other m 2021-11-20T19:24:03.53
IV.MURB.HNN. ML:1.7 0.00011164856 0.3712 AML other m 2021-11-20T19:24:04.35
IV.MURB.HHN. ML:1.5 0.00007641833000000001 0.2432 AML other m 2021-11-20T19:24:04.56
IV.RM33.EHE. ML:1.0 0.000020944425000000004 0.1664 AML other m 2021-11-20T19:24:05.86
IV.PIEI.HHN. ML:0.8 0.000008826204500000001 0.2048 AML other m 2021-11-20T19:24:08.83
IV.PIEI.HHE. ML:0.8 0.000011289537499999998 0.1024 AML other m 2021-11-20T19:24:09.19
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