Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 16-10-2021 and time 06:36:32 (Italy) in region 3 km E Preci (PG)

A magnitude ML 2.0 earthquake occured in region: 3 km E Preci (PG), on

  • 16-10-2021 04:36:32 (UTC)
  • 16-10-2021 06:36:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8860, 13.0700 at 10 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
Preci PG 3 724 724
Visso MC 5 1107 1831
Castelsantangelo sul Nera MC 7 281 2112
Ussita MC 9 444 2556
Norcia PG 11 4957 7513
Sellano PG 12 1079 8592
Monte Cavallo MC 13 145 8737
Cerreto di Spoleto PG 14 1075 9812
Fiordimonte MC 17 202 10014
Bolognola MC 18 142 10156
Pieve Torina MC 18 1458 11614
Fiastra MC 18 559 12173
Acquacanina MC 18 121 12294
Cascia PG 19 3217 15511
Pievebovigliana MC 20 866 16377

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Foligno (57155 inhabitants)
50 Km NE of Terni (111501 inhabitants)
58 Km W of Teramo (54892 inhabitants)
61 Km E of Perugia (166134 inhabitants)
65 Km NW of L'Aquila (69753 inhabitants)
89 Km SW of Ancona (100861 inhabitants)
94 Km NE of Viterbo (67173 inhabitants)
97 Km W of Montesilvano (53738 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 2021-10-16
04:36:32		 42.8857 13.0697 10 2022-03-30
13:04:16		 Bollettino Sismico Italiano INGV 97515811
Reviewed
Rev100 		ML 2.1 2021-10-16
04:36:32		 42.8853 13.0663 10 2021-10-16
04:41:24		 Sala Sismica INGV-Roma 96636001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-16 04:36:32 ± 0.04
Latitude 42.8857 ± 0.0018
Longitude 13.0697 ± 0.0025
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97515811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 228
Semi-minor axis of confidence ellipse (meter) 174
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 73
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) 32
Number of associated phases, regardless of their use for origin computation 71
Number of defining phases 71
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.06115
Epicentral distance of station farthest from the epicenter (degree) 0.67989
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 38
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 57
Type of magnitude ML
Reference to an origin 97515811
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-17 11:32:23

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 66
Type of magnitude ML
Reference to an origin 96636001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-16 04:41:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2021-10-16T04:36:50.62 0.6 undecidable manual S 11 55.3002 50 0.45 43
IV.CESX.HHZ. 2021-10-16T04:36:49.13 0.6 undecidable manual S 232 49.9167 50 0.39 44
IV.FOSV.HNE. 2021-10-16T04:36:49.40 0.6 undecidable manual S 331 51.8037 50 0.16 46
IV.CAMP.HHE. 2021-10-16T04:36:48.00 0.6 undecidable manual S 144 47.619 50 -0.13 46
IV.ATCC.EHZ. 2021-10-16T04:36:48.55 0.6 undecidable manual S 314 48.1185 50 0.29 45
IV.MNTP.HNZ. 2021-10-16T04:36:47.61 0.6 undecidable manual S 49 42.8238 50 0.78 38
IV.RM33.EHZ. 2021-10-16T04:36:47.09 0.6 undecidable manual S 164 43.4232 50 0.09 47
IV.ARRO.EHZ. 2021-10-16T04:36:46.63 0.3 undecidable manual S 216 42.0246 50 -0.01 72
IV.MOMA.HHZ. 2021-10-16T04:36:46.96 0.6 undecidable manual S 258 41.625 50 0.44 44
IV.SNTG.HHZ. 2021-10-16T04:36:46.75 0.6 undecidable manual S 346 42.3243 50 0.06 47
IT.GNU.HGE. 2021-10-16T04:36:46.62 0.6 undecidable manual S 258 41.625 50 0.1 47
IV.SAP2.EHZ. 2021-10-16T04:36:45.49 0.3 undecidable manual S 49 35.5422 50 0.6 63
IV.FRON.EHZ. 2021-10-16T04:36:45.78 0.6 undecidable manual P 338 75.4689 50 -0.1 44
IV.ARVD.HHZ. 2021-10-16T04:36:45.02 0.3 undecidable manual P 351 68.6757 50 0.17 66
IV.ASSB.HHZ. 2021-10-16T04:36:45.26 0.6 undecidable manual S 298 37.629 50 -0.19 46
IV.SMA1.EHZ. 2021-10-16T04:36:44.86 0.6 undecidable manual S 143 35.6421 50 -0.06 48
IV.MDAR.HNN. 2021-10-16T04:36:44.29 0.6 undecidable manual S 10 34.5432 50 -0.35 45
IT.FOPC.HGN. 2021-10-16T04:36:44.20 0.6 undecidable manual S 287 31.2465 50 0.46 44
IV.MF5.EHZ. 2021-10-16T04:36:44.62 0.6 undecidable manual S 70 33.6441 50 0.23 46
IV.T1299.HNN. 2021-10-16T04:36:44.53 0.3 undecidable manual S 148 32.8449 50 0.36 68
IV.MURB.HHZ. 2021-10-16T04:36:43.60 0.6 undecidable manual P 314 60.8946 50 -0.03 46
IV.SEF1.HNN. 2021-10-16T04:36:43.34 0.6 undecidable manual S 341 30.6471 50 -0.24 47
IV.GUMA.HHZ. 2021-10-16T04:36:43.34 0.3 undecidable manual S 48 29.1486 50 0.15 71
IV.LNSS.HHZ. 2021-10-16T04:36:43.64 0.6 undecidable manual S 184 31.4463 50 -0.17 47
IV.MTRA.EHZ. 2021-10-16T04:36:43.01 0.3 undecidable manual S 118 30.2475 50 -0.46 67
IV.MML1.EHZ. 2021-10-16T04:36:42.00 0.3 undecidable manual S 343 26.4513 50 -0.48 67
IV.GAVE.EHZ. 2021-10-16T04:36:42.01 0.3 undecidable manual S 214 25.752 111 -0.25 70
IV.MNTT.EHZ. 2021-10-16T04:36:42.12 0.1 positive manual P 65 46.9197 50 0.63 81
IV.FOSV.HNE. 2021-10-16T04:36:42.02 0.1 undecidable manual P 331 51.8037 50 -0.22 90
IV.PF6.EHN. 2021-10-16T04:36:42.73 0.6 undecidable manual S 20 29.748 50 -0.62 42
IV.CING.HHZ. 2021-10-16T04:36:42.91 0.3 undecidable manual P 11 55.3002 50 0.14 68
IV.MNTP.HNZ. 2021-10-16T04:36:41.25 0.3 undecidable manual P 49 42.8238 50 0.4 66
IV.ATCC.EHZ. 2021-10-16T04:36:41.56 0.1 positive manual P 314 48.1185 50 -0.11 93
IT.GNU.HGE. 2021-10-16T04:36:41.10 0.3 undecidable manual P 258 41.625 50 0.43 66
IV.CESX.HHZ. 2021-10-16T04:36:41.88 0.1 undecidable manual P 232 49.9167 50 -0.07 93
IV.EL6.EHZ. 2021-10-16T04:36:41.82 0.3 undecidable manual P 3 49.3173 50 -0.03 71
IV.CSP1.EHZ. 2021-10-16T04:36:41.74 0.3 undecidable manual S 26 25.3524 111 -0.38 68
IV.CAMP.HHE. 2021-10-16T04:36:41.23 0.3 undecidable manual P 144 47.619 50 -0.37 66
IV.CESI.HHZ. 2021-10-16T04:36:40.09 0.3 undecidable manual S 315 18.87 118 0.04 74
IV.MMO1.EHZ. 2021-10-16T04:36:40.37 0.3 undecidable manual S 86 20.9679 115 -0.35 69
IV.MOMA.HHZ. 2021-10-16T04:36:40.78 0.1 negative manual P 258 41.625 50 0.11 94
IV.SNTG.HHZ. 2021-10-16T04:36:40.45 0.3 undecidable manual P 346 42.3243 50 -0.32 67
IV.RM33.EHZ. 2021-10-16T04:36:40.89 0.3 undecidable manual P 164 43.4232 50 -0.06 71
IV.ARRO.EHZ. 2021-10-16T04:36:40.67 0.3 undecidable manual P 216 42.0246 50 -0.07 71
IV.FDMO.HHZ. 2021-10-16T04:36:39.32 0.3 undecidable manual S 5 16.7721 120 -0.11 73
IV.MF5.EHZ. 2021-10-16T04:36:39.60 0.1 positive manual P 70 33.6441 50 0.16 94
IV.ASSB.HHZ. 2021-10-16T04:36:39.79 0.1 positive manual P 298 37.629 50 -0.26 91
IV.T1299.HNN. 2021-10-16T04:36:39.29 0.1 positive manual P 148 32.8449 50 -0.03 97
IV.SMA1.EHZ. 2021-10-16T04:36:39.44 0.1 undecidable manual P 143 35.6421 50 -0.31 91
IV.SAP2.EHZ. 2021-10-16T04:36:39.92 0.1 positive manual P 49 35.5422 50 0.19 93
IV.MDAR.HNN. 2021-10-16T04:36:39.62 0.6 undecidable manual P 10 34.5432 50 0.04 48
IT.FOPC.HGN. 2021-10-16T04:36:39.02 0.1 positive manual P 287 31.2465 50 -0.04 97
IV.PF6.EHN. 2021-10-16T04:36:38.50 0.1 undecidable manual P 20 29.748 50 -0.34 91
IV.LNSS.HHZ. 2021-10-16T04:36:38.94 0.3 undecidable manual P 184 31.4463 50 -0.17 71
IV.MTRA.EHZ. 2021-10-16T04:36:38.63 0.1 positive manual P 118 30.2475 50 -0.28 92
IV.MML1.EHZ. 2021-10-16T04:36:38.07 0.1 positive manual P 343 26.4513 50 -0.27 93
IV.GAVE.EHZ. 2021-10-16T04:36:38.19 0.1 positive manual P 214 25.752 111 -0.02 98
IV.SEF1.HNN. 2021-10-16T04:36:38.87 0.3 undecidable manual P 341 30.6471 50 -0.1 72
IV.GUMA.HHZ. 2021-10-16T04:36:38.75 0.1 positive manual P 48 29.1486 50 0 98
IT.MTCL.HGZ. 2021-10-16T04:36:38.28 0.6 undecidable manual S 335 13.2756 127 -0.14 49
IV.CSP1.EHZ. 2021-10-16T04:36:37.88 0.1 positive manual P 26 25.3524 111 -0.25 94
IV.FEMA.HNZ. 2021-10-16T04:36:37.40 0.3 undecidable manual S 349 8.5803 139 0.18 73
IV.MC2.EHZ. 2021-10-16T04:36:37.58 0.6 undecidable manual S 74 10.0788 134 0 51
IV.CESI.HHZ. 2021-10-16T04:36:37.03 0.1 positive manual P 315 18.87 118 0.09 98
IV.MMO1.EHZ. 2021-10-16T04:36:37.22 0.1 positive manual P 86 20.9679 115 -0.1 98
IV.NRCA.HNZ. 2021-10-16T04:36:36.95 0.3 undecidable manual S 148 6.7932 145 0.11 75
IT.MTCL.HGZ. 2021-10-16T04:36:36.07 0.1 undecidable manual P 335 13.2756 127 0.08 99
IV.FDMO.HHZ. 2021-10-16T04:36:36.57 0.1 negative manual P 5 16.7721 120 -0.01 100
IV.NRCA.HNZ. 2021-10-16T04:36:35.35 0.1 negative manual P 148 6.7932 145 0.27 96
IV.FEMA.HNZ. 2021-10-16T04:36:35.61 0.1 negative manual P 349 8.5803 139 0.31 95
IV.MC2.EHZ. 2021-10-16T04:36:35.83 0.1 positive manual P 74 10.0788 134 0.32 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:2.8 0.0090339745 0.16 AML other m 2021-10-16T04:36:37.13
IV.NRCA.HNE. ML:2.7 0.008485 0.18 AML other m 2021-10-16T04:36:37.13
IV.FEMA.HNN. ML:2.5 0.0043022515 0.1088 AML other m 2021-10-16T04:36:37.66
IV.FEMA.HNE. ML:2.5 0.0042330480000000005 0.16 AML other m 2021-10-16T04:36:37.67
IV.CESI.HHN. ML:2.6 0.00354 0.12 AML other m 2021-10-16T04:36:40.44
IV.CESI.HNN. ML:2.6 0.003402906 0.1376 AML other m 2021-10-16T04:36:40.44
IV.CESI.HHE. ML:2.3 0.0015691605000000002 0.08 AML other m 2021-10-16T04:36:40.69
IV.CESI.HNE. ML:2.2 0.00141977715 0.0928 AML other m 2021-10-16T04:36:40.70
IV.FDMO.HHE. ML:1.7 0.0004679341 0.8 AML other m 2021-10-16T04:36:39.39
IV.FDMO.HHN. ML:1.6 0.00039127535 0.0992 AML other m 2021-10-16T04:36:39.71
IV.CSP1.EHN. ML:2.3 0.0011655196 0.1408 AML other m 2021-10-16T04:36:41.86
IV.CSP1.EHE. ML:2.2 0.0009332539 0.1216 AML other m 2021-10-16T04:36:41.92
IV.GAVE.HNE. ML:2.3 0.00121275285 0.192 AML other m 2021-10-16T04:36:42.33
IV.GAVE.EHE. ML:2.3 0.0012705 0.2 AML other m 2021-10-16T04:36:42.34
IV.MML1.EHE. ML:1.8 0.000323 0.74 AML other m 2021-10-16T04:36:42.62
IV.MML1.HNE. ML:1.8 0.0003155 0.16 AML other m 2021-10-16T04:36:42.33
IV.MML1.EHN. ML:1.8 0.0003624986 0.2624 AML other m 2021-10-16T04:36:42.46
IV.MML1.HNN. ML:1.8 0.00038622390000000003 0.2624 AML other m 2021-10-16T04:36:42.46
IV.GAVE.EHN. ML:2.1 0.00070125485 0.1984 AML other m 2021-10-16T04:36:43.02
IV.GAVE.HNN. ML:1.6 0.00024616995 0.2592 AML other m 2021-10-16T04:36:43.02
IV.MTRA.HNN. ML:2.2 0.0008543959 0.2592 AML other m 2021-10-16T04:36:43.66
IV.MTRA.EHN. ML:2.2 0.0008939999999999999 0.26 AML other m 2021-10-16T04:36:43.66
IV.GUMA.HHN. ML:2.3 0.0009235783500000001 0.2784 AML other m 2021-10-16T04:36:43.85
IV.GUMA.HNN. ML:2.3 0.0009232558 0.1504 AML other m 2021-10-16T04:36:43.55
IV.MTRA.EHE. ML:2.1 0.0006926550499999999 0.1408 AML other m 2021-10-16T04:36:44.48
IV.MTRA.HNE. ML:2.2 0.0007166384 0.2496 AML other m 2021-10-16T04:36:43.78
IV.LNSS.HHN. ML:1.8 0.0003217427 0.2016 AML other m 2021-10-16T04:36:44.36
IV.GUMA.HNE. ML:2.2 0.00074149015 0.4416 AML other m 2021-10-16T04:36:46.11
IV.MF5.EHN. ML:2.0 0.0004215 0.26 AML other m 2021-10-16T04:36:45.46
IV.LNSS.HHE. ML:1.7 0.000243348 0.1408 AML other m 2021-10-16T04:36:45.05
IV.MF5.EHE. ML:2.0 0.00044899999999999996 0.22 AML other m 2021-10-16T04:36:45.53
IV.ASSB.HHE. ML:2.0 0.000408532 0.1024 AML other m 2021-10-16T04:36:45.93
IV.GUMA.HHE. ML:2.3 0.0009708737 0.4 AML other m 2021-10-16T04:36:46.30
IV.ASSB.HHN. ML:2.1 0.0004429999999999999 0.16 AML other m 2021-10-16T04:36:47.26
IV.ARRO.EHE. ML:1.6 0.00013413655 0.2016 AML other m 2021-10-16T04:36:49.96
IV.MOMA.HHE. ML:1.9 0.000249 0.26 AML other m 2021-10-16T04:36:47.88
IV.MOMA.HNE. ML:1.8 0.00023899999999999998 1.06 AML other m 2021-10-16T04:36:47.23
IV.ARRO.EHN. ML:1.6 0.00012425 1.26 AML other m 2021-10-16T04:36:47.80
IV.MOMA.HNN. ML:1.9 0.0002635 0.42 AML other m 2021-10-16T04:36:48.35
IV.SNTG.HHE. ML:1.6 0.00011695 0.08 AML other m 2021-10-16T04:36:48.41
IV.MOMA.HHN. ML:1.9 0.0002685 0.16 AML other m 2021-10-16T04:36:48.64
IV.SMA1.EHE. ML:1.7 0.0001882403 0.4192 AML other m 2021-10-16T04:36:49.76
IV.ATCC.EHN. ML:2.0 0.0002855 0.18 AML other m 2021-10-16T04:36:49.74
IV.SMA1.EHN. ML:1.8 0.0002765 0.92 AML other m 2021-10-16T04:36:49.32
IV.ATCC.EHE. ML:1.9 0.0002065 0.34 AML other m 2021-10-16T04:36:50.45
IV.SNTG.HHN. ML:1.5 0.00010524438 0.1184 AML other m 2021-10-16T04:36:49.38
IV.CING.HHE. ML:1.6 0.00009365578999999998 0.0992 AML other m 2021-10-16T04:36:51.63
IV.CING.HHN. ML:1.5 0.00007418098 0.1024 AML other m 2021-10-16T04:36:51.87
IV.MURB.HNN. ML:2.3 0.000363 0.24 AML other m 2021-10-16T04:36:55.78
IV.MURB.HHN. ML:2.3 0.00041500000000000006 0.26 AML other m 2021-10-16T04:36:55.90
IV.LNSS.HNN. ML:1.9 0.0003326595 0.1408 AML other m 2021-10-16T04:36:44.89
IV.SNTG.HNE. ML:1.6 0.000135349655 0.0896 AML other m 2021-10-16T04:36:48.41
IV.RM33.HNE. ML:1.6 0.00014108955 0.3296 AML other m 2021-10-16T04:36:50.54
IV.RM33.EHN. ML:1.5 0.00010328992500000001 0.1792 AML other m 2021-10-16T04:36:50.27
IV.RM33.EHE. ML:1.4 0.000079840485 0.3008 AML other m 2021-10-16T04:36:51.99
IV.EL6.EHN. ML:1.8 0.00016191955000000003 0.24 AML other m 2021-10-16T04:36:54.16
IV.EL6.EHE. ML:1.8 0.00016377775 0.1184 AML other m 2021-10-16T04:36:50.60
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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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