Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 25-09-2021 and time 17:17:58 (Italy) in region 2 km SE Visso (MC)

A magnitude ML 2.0 earthquake occured in region: 2 km SE Visso (MC), on

  • 25-09-2021 15:17:58 (UTC)
  • 25-09-2021 17:17:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9220, 13.1060 at 11 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
Visso MC 2 1107 1107
Ussita MC 4 444 1551
Castelsantangelo sul Nera MC 5 281 1832
Preci PG 7 724 2556
Monte Cavallo MC 12 145 2701
Bolognola MC 13 142 2843
Fiordimonte MC 13 202 3045
Acquacanina MC 13 121 3166
Fiastra MC 13 559 3725
Norcia PG 14 4957 8682
Pieve Torina MC 14 1458 10140
Sellano PG 15 1079 11219
Pievebovigliana MC 16 866 12085
Montemonaco AP 18 604 12689
Muccia MC 19 915 13604
Cerreto di Spoleto PG 19 1075 14679
Montefortino FM 19 1178 15857

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
55 Km NE of Terni (111501 inhabitants)
57 Km NW of Teramo (54892 inhabitants)
62 Km E of Perugia (166134 inhabitants)
68 Km NW of L'Aquila (69753 inhabitants)
84 Km SW of Ancona (100861 inhabitants)
97 Km W of Montesilvano (53738 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 2.0 2021-09-25
15:17:58		 42.922 13.1055 11 2022-03-30
13:04:09		 Bollettino Sismico Italiano INGV 96312581
Reviewed
Rev100 		ML 2.0 2021-09-25
15:17:58		 42.9205 13.1037 11 2021-09-25
15:23:26		 Sala Sismica INGV-Roma 95873151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-25 15:17:58 ± 0.04
Latitude 42.9220 ± 0.0027
Longitude 13.1055 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96312581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 320
Semi-minor axis of confidence ellipse (meter) 181
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) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 46
Number of associated phases, regardless of their use for origin computation 73
Number of defining phases 73
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) 0.05756
Epicentral distance of station farthest from the epicenter (degree) 0.84986
Number of stations at which the event was observed 41
Number of stations from which data was used for origin computation 41
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 70
Type of magnitude ML
Reference to an origin 96312581
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-23 22:17:28

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 70
Type of magnitude ML
Reference to an origin 95873151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-25 15:23:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HHZ. 2021-09-25T15:18:18.31 0.6 undecidable manual S 309 60.3951 50 1.25 30
IV.CESX.HHZ. 2021-09-25T15:18:15.86 0.3 undecidable manual S 231 54.7008 50 0.31 66
IV.ATCC.EHZ. 2021-09-25T15:18:14.21 0.6 undecidable manual S 308 47.7189 50 0.53 42
IV.CING.HHZ. 2021-09-25T15:18:14.93 0.6 undecidable manual S 8 50.8158 50 0.42 43
IV.T0110.HHZ. 2021-09-25T15:18:14.36 0.3 undecidable manual P 144 94.3389 50 -0.05 64
IV.TERO.HHZ. 2021-09-25T15:18:14.93 0.6 undecidable manual S 129 52.4031 50 -0.01 47
IV.RM33.EHZ. 2021-09-25T15:18:13.79 0.6 undecidable manual S 169 46.7199 50 0.39 44
IV.CAMP.HHZ. 2021-09-25T15:18:13.94 0.6 undecidable manual S 150 49.5171 50 -0.21 45
IV.MNTT.EHZ. 2021-09-25T15:18:13.89 0.6 undecidable manual S 69 42.7239 50 1.55 26
IV.NARO.HHZ. 2021-09-25T15:18:13.35 0.3 undecidable manual P 331 87.3459 50 0.02 66
IV.ARRO.EHZ. 2021-09-25T15:18:13.74 0.6 undecidable manual S 216 47.0196 50 0.24 45
IV.MOMA.HHZ. 2021-09-25T15:18:13.76 0.6 undecidable manual S 253 45.4212 50 0.68 40
IV.EL6.EHE. 2021-09-25T15:18:12.92 0.6 undecidable manual S 360 45.2214 50 -0.08 47
IV.MPAG.EHZ. 2021-09-25T15:18:12.74 0.3 undecidable manual P 341 83.25 50 0.04 66
IV.SNTG.HHE. 2021-09-25T15:18:11.30 0.6 undecidable manual S 340 39.3273 50 -0.13 47
IV.FRON.EHZ. 2021-09-25T15:18:11.02 0.3 undecidable manual P 335 72.8715 50 -0.08 67
IV.LNSS.HHZ. 2021-09-25T15:18:10.46 0.3 undecidable manual S 189 35.8419 50 -0.04 72
IV.ATFO.HHZ. 2021-09-25T15:18:10.14 0.3 undecidable manual P 319 65.5899 50 0.17 66
IV.SMA1.EHZ. 2021-09-25T15:18:10.74 0.6 undecidable manual S 150 37.3293 50 -0.18 47
IV.FIAM.HHZ. 2021-09-25T15:18:10.80 0.3 undecidable manual P 179 72.5718 50 -0.25 65
IV.ARVD.HHZ. 2021-09-25T15:18:09.79 0.3 undecidable manual P 348 65.2902 50 -0.13 67
IV.MF5.EHZ. 2021-09-25T15:18:09.44 0.3 undecidable manual S 76 29.6481 50 0.58 64
IV.FIU1.HNZ. 2021-09-25T15:18:09.72 0.6 undecidable manual S 335 32.745 50 0.03 48
IV.SSFR.HHZ. 2021-09-25T15:18:09.50 0.3 undecidable manual P 335 62.7927 50 -0.04 69
IV.SAP2.EHZ. 2021-09-25T15:18:09.67 0.3 undecidable manual S 51 30.747 50 0.53 65
IV.MURB.HHZ. 2021-09-25T15:18:09.32 0.3 undecidable manual P 309 60.3951 50 0.15 67
IV.GAVE.EHZ. 2021-09-25T15:18:09.02 0.3 undecidable manual S 214 30.747 50 -0.13 71
IV.OFFI.HHZ. 2021-09-25T15:18:08.03 0.3 undecidable manual P 88 47.1195 50 0.9 54
IV.MDAR.HNN. 2021-09-25T15:18:08.78 0.6 undecidable manual S 6 30.1476 50 -0.22 47
IV.CESX.HHZ. 2021-09-25T15:18:08.15 0.3 undecidable manual P 231 54.7008 50 -0.15 68
IV.MTRA.EHZ. 2021-09-25T15:18:08.56 0.3 undecidable manual S 128 29.9478 50 -0.38 68
IV.MNTT.EHZ. 2021-09-25T15:18:07.20 0.3 undecidable manual P 69 42.7239 50 0.75 58
IV.CAMP.HHZ. 2021-09-25T15:18:07.05 0.1 undecidable manual P 150 49.5171 50 -0.44 86
IV.MOMA.HHZ. 2021-09-25T15:18:07.09 0.1 undecidable manual P 253 45.4212 50 0.22 91
IV.ATCC.EHZ. 2021-09-25T15:18:07.20 0.3 undecidable manual P 308 47.7189 50 -0.02 71
IV.ARRO.EHZ. 2021-09-25T15:18:07.17 0.3 undecidable manual P 216 47.0196 50 0.06 70
IV.SEF1.HNN. 2021-09-25T15:18:07.81 0.3 undecidable manual S 333 28.0497 50 -0.62 63
IV.CING.HHZ. 2021-09-25T15:18:07.51 0.1 undecidable manual P 8 50.8158 50 -0.19 91
IV.GUMA.HNN. 2021-09-25T15:18:07.67 0.6 undecidable manual S 50 24.3534 50 0.24 47
IV.TERO.HHZ. 2021-09-25T15:18:07.75 0.3 undecidable manual P 129 52.4031 50 -0.19 68
IV.MML1.EHZ. 2021-09-25T15:18:06.97 0.3 undecidable manual S 333 23.8539 50 -0.34 69
IV.RM33.EHZ. 2021-09-25T15:18:06.78 0.1 undecidable manual P 169 46.7199 50 -0.28 90
IV.EL6.EHE. 2021-09-25T15:18:06.54 0.3 undecidable manual P 360 45.2214 50 -0.29 67
IV.PF6.EHN. 2021-09-25T15:18:06.84 0.6 undecidable manual S 17 25.0527 50 -0.78 40
IV.CSP1.EHZ. 2021-09-25T15:18:06.00 0.3 undecidable manual S 23 20.4684 117 -0.4 69
IV.MMO1.EHZ. 2021-09-25T15:18:05.33 0.3 undecidable manual S 98 18.1707 120 -0.37 69
IV.LNSS.HHZ. 2021-09-25T15:18:05.17 0.1 positive manual P 189 35.8419 50 -0.21 93
IV.CESI.HHZ. 2021-09-25T15:18:05.92 0.3 undecidable manual S 299 18.7701 120 0.06 74
IV.SNTG.HHE. 2021-09-25T15:18:05.68 0.1 undecidable manual P 340 39.3273 50 -0.24 92
IV.SMA1.EHZ. 2021-09-25T15:18:05.31 0.1 undecidable manual P 150 37.3293 50 -0.31 90
IV.MTRA.EHZ. 2021-09-25T15:18:04.30 0.1 negative manual P 128 29.9478 50 -0.18 94
IV.SEF1.HNN. 2021-09-25T15:18:04.01 0.3 undecidable manual P 333 28.0497 50 -0.17 71
IV.SAP2.EHZ. 2021-09-25T15:18:04.80 0.1 undecidable manual P 51 30.747 50 0.2 94
IV.GAVE.EHZ. 2021-09-25T15:18:04.54 0.1 positive manual P 214 30.747 50 -0.06 96
IV.MF5.EHZ. 2021-09-25T15:18:04.66 0.1 undecidable manual P 76 29.6481 50 0.22 93
IV.MDAR.HNN. 2021-09-25T15:18:04.33 0.3 undecidable manual P 6 30.1476 50 -0.19 71
IV.FIU1.HNZ. 2021-09-25T15:18:04.76 0.3 undecidable manual P 335 32.745 50 -0.15 71
IV.MC2.EHZ. 2021-09-25T15:18:03.05 0.3 undecidable manual S 100 6.8931 147 0.26 72
IV.FDMO.HHZ. 2021-09-25T15:18:03.94 0.3 undecidable manual S 353 12.7761 130 -0.22 72
IV.PF6.EHN. 2021-09-25T15:18:03.43 0.1 undecidable manual P 17 25.0527 50 -0.29 93
IV.GUMA.HNN. 2021-09-25T15:18:03.71 0.1 undecidable manual P 50 24.3534 50 0.1 97
IV.MML1.EHZ. 2021-09-25T15:18:03.38 0.1 undecidable manual P 333 23.8539 50 -0.16 96
IV.NRCA.HNZ. 2021-09-25T15:18:03.36 0.3 undecidable manual S 176 9.879 137 -0.06 75
IT.MTCL.HGZ. 2021-09-25T15:18:03.83 0.3 undecidable manual S 313 11.7771 132 -0.06 75
IV.CSP1.EHZ. 2021-09-25T15:18:02.87 0.1 positive manual P 23 20.4684 117 -0.15 97
IV.FEMA.HNZ. 2021-09-25T15:18:02.88 0.3 undecidable manual S 315 6.3936 149 0.19 74
IV.MMO1.EHZ. 2021-09-25T15:18:02.48 0.1 undecidable manual P 98 18.1707 120 -0.13 97
IV.CESI.HHZ. 2021-09-25T15:18:02.81 0.1 undecidable manual P 299 18.7701 120 0.1 98
IT.MTCL.HGZ. 2021-09-25T15:18:01.67 0.1 undecidable manual P 313 11.7771 132 0.11 99
IV.MC2.EHZ. 2021-09-25T15:18:01.18 0.1 undecidable manual P 100 6.8931 147 0.25 97
IV.FDMO.HHZ. 2021-09-25T15:18:01.76 0.1 positive manual P 353 12.7761 130 0.04 100
IV.FEMA.HNZ. 2021-09-25T15:18:01.19 0.1 negative manual P 315 6.3936 149 0.32 95
IV.NRCA.HNZ. 2021-09-25T15:18:01.41 0.1 positive manual P 176 9.879 137 0.12 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FEMA.HNN. ML:2.2 0.0024300000000000003 0.14 AML other m 2021-09-25T15:18:03.00
IV.FEMA.HNE. ML:2.3 0.003165 0.22 AML other m 2021-09-25T15:18:03.08
IV.NRCA.HHE. ML:2.6 0.00477 0.08 AML other m 2021-09-25T15:18:03.80
IV.NRCA.HNE. ML:2.5 0.00397 1.06 AML other m 2021-09-25T15:18:03.81
IV.FDMO.HHE. ML:2.3 0.00198 0.16 AML other m 2021-09-25T15:18:04.15
IV.NRCA.HHN. ML:2.7 0.006285 0.78 AML other m 2021-09-25T15:18:04.09
IV.NRCA.HNN. ML:2.7 0.00606 0.8 AML other m 2021-09-25T15:18:04.09
IV.FDMO.HHN. ML:2.1 0.001435 0.46 AML other m 2021-09-25T15:18:04.54
IV.CESI.HHE. ML:2.1 0.0009824999999999999 0.22 AML other m 2021-09-25T15:18:06.28
IV.CESI.HHN. ML:2.2 0.00122 0.24 AML other m 2021-09-25T15:18:06.28
IV.CESI.HNN. ML:2.2 0.0011865 0.26 AML other m 2021-09-25T15:18:06.29
IV.CESI.HNE. ML:2.0 0.0007785 0.24 AML other m 2021-09-25T15:18:06.29
IV.CSP1.EHN. ML:2.5 0.0021950000000000003 0.16 AML other m 2021-09-25T15:18:06.36
IV.MML1.HNE. ML:1.9 0.00045699999999999994 0.76 AML other m 2021-09-25T15:18:07.44
IV.MML1.EHE. ML:1.9 0.00047799999999999996 0.76 AML other m 2021-09-25T15:18:07.44
IV.MML1.HNN. ML:2.0 0.0006365 0.7 AML other m 2021-09-25T15:18:07.18
IV.CSP1.EHE. ML:2.4 0.001615 1.12 AML other m 2021-09-25T15:18:07.41
IV.MML1.EHN. ML:2.0 0.0005825 0.2 AML other m 2021-09-25T15:18:08.13
IV.MTRA.EHN. ML:2.2 0.0008455 0.26 AML other m 2021-09-25T15:18:09.70
IV.MTRA.HNN. ML:2.2 0.00088 0.26 AML other m 2021-09-25T15:18:09.57
IV.GAVE.EHE. ML:2.2 0.0007524999999999999 0.46 AML other m 2021-09-25T15:18:09.63
IV.MF5.EHN. ML:2.1 0.000651 1.38 AML other m 2021-09-25T15:18:09.03
IV.MF5.EHE. ML:2.3 0.0010249999999999999 0.18 AML other m 2021-09-25T15:18:10.10
IV.SAP2.EHE. ML:2.1 0.000641 1.44 AML other m 2021-09-25T15:18:10.96
IV.SAP2.EHN. ML:3.0 0.004315 0.14 AML other m 2021-09-25T15:18:10.27
IV.GAVE.EHN. ML:2.2 0.000752 0.18 AML other m 2021-09-25T15:18:10.40
IV.MTRA.EHE. ML:2.1 0.000634 1.06 AML other m 2021-09-25T15:18:10.12
IV.MTRA.HNE. ML:2.1 0.000661 1.06 AML other m 2021-09-25T15:18:10.12
IV.LNSS.HNE. ML:1.9 0.0003165 1.42 AML other m 2021-09-25T15:18:11.77
IV.LNSS.HHN. ML:1.8 0.000266 1.46 AML other m 2021-09-25T15:18:11.81
IV.LNSS.HNN. ML:2.0 0.0003805 0.74 AML other m 2021-09-25T15:18:11.81
IV.LNSS.HHE. ML:1.8 0.00027150000000000004 1.44 AML other m 2021-09-25T15:18:12.77
IV.SMA1.EHN. ML:1.7 0.000203 0.8 AML other m 2021-09-25T15:18:12.20
IV.MOMA.HNN. ML:1.9 0.000227 0.22 AML other m 2021-09-25T15:18:14.27
IV.MOMA.HHN. ML:1.9 0.000221 0.2 AML other m 2021-09-25T15:18:14.27
IV.SMA1.EHE. ML:1.8 0.0002305 0.62 AML other m 2021-09-25T15:18:14.31
IV.RM33.EHE. ML:1.5 0.00009435 0.58 AML other m 2021-09-25T15:18:14.38
IV.CAMP.HHE. ML:1.5 0.0000886 0.18 AML other m 2021-09-25T15:18:14.49
IV.MOMA.HHE. ML:2.0 0.000311 0.52 AML other m 2021-09-25T15:18:14.76
IV.MOMA.HNE. ML:2.0 0.00033 0.52 AML other m 2021-09-25T15:18:14.76
IV.MNTT.EHN. ML:2.3 0.00069 0.2 AML other m 2021-09-25T15:18:14.77
IV.ARRO.EHN. ML:1.6 0.0001085 0.64 AML other m 2021-09-25T15:18:14.48
IV.ARRO.EHE. ML:1.6 0.00010650000000000001 1.14 AML other m 2021-09-25T15:18:14.87
IV.RM33.EHN. ML:1.6 0.00011149999999999999 1.06 AML other m 2021-09-25T15:18:15.55
IV.CING.HHN. ML:1.5 0.00008205 1.64 AML other m 2021-09-25T15:18:15.84
IV.ATCC.EHN. ML:1.8 0.00016249999999999997 1.84 AML other m 2021-09-25T15:18:15.03
IV.CAMP.HHN. ML:1.2 0.0000473 1.82 AML other m 2021-09-25T15:18:16.01
IV.ATCC.EHE. ML:1.8 0.0001955 0.12 AML other m 2021-09-25T15:18:16.01
IV.CING.HHE. ML:1.6 0.000108 1.52 AML other m 2021-09-25T15:18:16.21
IV.CESX.HHE. ML:1.7 0.00010899999999999999 0.52 AML other m 2021-09-25T15:18:16.79
IV.CESX.HHN. ML:1.8 0.000163 1.36 AML other m 2021-09-25T15:18:17.76
IV.MNTT.EHE. ML:2.6 0.001335 0.16 AML other m 2021-09-25T15:18:18.23
IV.SSFR.HNE. ML:2.2 0.000314 1.58 AML other m 2021-09-25T15:18:19.18
IV.SSFR.HHE. ML:2.1 0.0002305 0.2 AML other m 2021-09-25T15:18:19.39
IV.SSFR.HHN. ML:2.0 0.00019250000000000002 0.16 AML other m 2021-09-25T15:18:19.45
IV.ARVD.HHN. ML:1.5 0.0000596 0.5 AML other m 2021-09-25T15:18:19.49
IV.ARVD.HHE. ML:1.5 0.000058450000000000005 0.46 AML other m 2021-09-25T15:18:20.37
IV.MURB.HHN. ML:2.0 0.00021200000000000003 0.18 AML other m 2021-09-25T15:18:20.65
IV.SSFR.HNN. ML:2.2 0.00032450000000000003 1.04 AML other m 2021-09-25T15:18:21.23
IV.FIAM.HHE. ML:1.0 0.00001555 0.66 AML other m 2021-09-25T15:18:21.01
IV.ATFO.HHE. ML:1.6 0.00007525 0.82 AML other m 2021-09-25T15:18:21.80
IV.FRON.EHN. ML:1.8 0.00009285000000000001 0.18 AML other m 2021-09-25T15:18:22.79
IV.MURB.HHE. ML:2.0 0.00022250000000000001 0.36 AML other m 2021-09-25T15:18:23.72
IV.FRON.EHE. ML:1.4 0.00004045 1.18 AML other m 2021-09-25T15:18:24.69
IV.ATFO.HHN. ML:1.4 0.0000459 0.52 AML other m 2021-09-25T15:18:25.13
IV.MPAG.EHE. ML:1.7 0.000060400000000000004 0.34 AML other m 2021-09-25T15:18:25.69
IV.FIAM.HHN. ML:1.0 0.0000159 0.52 AML other m 2021-09-25T15:18:26.60
IV.MPAG.EHN. ML:1.4 0.000036049999999999995 0.84 AML other m 2021-09-25T15:18:27.12
IV.NARO.HHN. ML:1.3 0.0000247 0.96 AML other m 2021-09-25T15:18:27.62
IV.NARO.HHE. ML:1.3 0.00002495 0.72 AML other m 2021-09-25T15:18:29.31
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