Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 03-02-2021 and time 23:15:11 (UTC) in region 4 km NW Ussita (MC)

A magnitude ML 2.0 earthquake occured in region: 4 km NW Ussita (MC), on

  • 03-02-2021 23:15:11 (UTC)
  • 04-02-2021 00:15:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9760, 13.1030 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
Ussita MC 5 444 444
Visso MC 5 1107 1551
Fiordimonte MC 7 202 1753
Fiastra MC 8 559 2312
Monte Cavallo MC 9 145 2457
Acquacanina MC 9 121 2578
Pieve Torina MC 9 1458 4036
Castelsantangelo sul Nera MC 10 281 4317
Pievebovigliana MC 10 866 5183
Bolognola MC 10 142 5325
Preci PG 12 724 6049
Muccia MC 13 915 6964
Serravalle di Chienti MC 16 1070 8034
Sellano PG 17 1079 9113
Sarnano MC 18 3264 12377
Camerino MC 18 6974 19351
Cessapalombo MC 20 512 19863
Montefortino FM 20 1178 21041

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
59 Km NE of Terni (111501 inhabitants)
60 Km E of Perugia (166134 inhabitants)
60 Km NW of Teramo (54892 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
97 Km S of Fano (60888 inhabitants)
100 Km NW 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 2021-02-03
23:15:11		 42.9757 13.1033 10 2021-07-12
16:55:10		 Bollettino Sismico Italiano INGV 89963891
Reviewed
Rev100 		ML 2.1 2021-02-03
23:15:11		 42.9688 13.1052 10 2021-02-03
23:19:28		 Sala Sismica INGV-Roma 86820461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-03 23:15:11 ± 0.03
Latitude 42.9757 ± 0.0018
Longitude 13.1033 ± 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 89963891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 211
Semi-minor axis of confidence ellipse (meter) 103
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 64
Circular confidence region, given by single value of horizontal uncertainty (meter) 210.0
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 81
Number of defining phases 81
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.04137
Epicentral distance of station farthest from the epicenter (degree) 0.89483
Number of stations at which the event was observed 42
Number of stations from which data was used for origin computation 42
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 64
Type of magnitude ML
Reference to an origin 89963891
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-10 12:44:26

ML:2.1

Field Value
Value 2.1
Uncertainty 0.4
Num. used stations 66
Type of magnitude ML
Reference to an origin 86820461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-03 23:19:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SRES.HHZ. 2021-02-03T23:15:40.10 0.6 undecidable manual S 211 95.238 50 0.13 42
IV.PIEI.HHZ. 2021-02-03T23:15:35.60 0.6 undecidable manual S 324 77.2671 50 0.42 41
IV.COR1.EHZ. 2021-02-03T23:15:34.50 0.6 undecidable manual S 354 73.2711 50 0.38 42
IV.FRON.EHZ. 2021-02-03T23:15:32.90 0.6 undecidable manual S 333 67.4769 50 0.33 43
IV.CESX.HHZ. 2021-02-03T23:15:30.40 0.6 undecidable manual S 226 58.497 50 0.21 44
IV.ARVD.HHZ. 2021-02-03T23:15:30.90 0.3 undecidable manual S 347 59.3961 50 0.47 63
IV.T0110.HHZ. 2021-02-03T23:15:29.20 0.3 undecidable manual P 146 99.3228 50 0.47 58
IV.MURB.HHZ. 2021-02-03T23:15:29.90 0.6 undecidable manual S 304 56.6988 50 0.21 45
IV.TERO.HHZ. 2021-02-03T23:15:29.80 0.3 undecidable manual S 134 56.499 50 0.15 68
IV.ARRO.EHZ. 2021-02-03T23:15:28.80 0.6 undecidable manual S 212 51.8037 50 0.39 43
IV.RM33.EHZ. 2021-02-03T23:15:28.60 0.3 undecidable manual S 170 52.503 50 0.01 70
IV.SRES.HHZ. 2021-02-03T23:15:28.16 0.6 undecidable manual P 211 95.238 50 0.07 43
IV.FOSV.EHZ. 2021-02-03T23:15:26.50 0.3 undecidable manual S 322 44.9217 50 -0.06 70
IV.NARO.HHZ. 2021-02-03T23:15:26.04 0.1 undecidable manual P 329 82.1511 50 -0.04 88
IV.ATCC.EHZ. 2021-02-03T23:15:26.60 0.3 undecidable manual S 302 44.1225 50 0.25 68
IV.CING.HNZ. 2021-02-03T23:15:26.57 0.3 undecidable manual S 10 45.0216 50 0 71
IV.SMA1.EHZ. 2021-02-03T23:15:25.90 0.3 undecidable manual S 154 42.7239 50 -0.06 71
IV.PIEI.HHZ. 2021-02-03T23:15:25.42 0.3 undecidable manual P 324 77.2671 50 0.1 66
IV.MNTT.EHZ. 2021-02-03T23:15:25.40 0.6 undecidable manual S 76 41.0256 50 -0.13 47
IV.LNSS.HHZ. 2021-02-03T23:15:25.40 0.3 undecidable manual S 187 41.625 50 -0.29 68
IV.T1299.HNN. 2021-02-03T23:15:25.26 0.3 undecidable manual S 159 40.5261 50 -0.14 70
IV.COR1.EHZ. 2021-02-03T23:15:25.13 0.6 undecidable manual P 354 73.2711 50 0.42 41
IV.EL6.EHZ. 2021-02-03T23:15:25.10 0.3 undecidable manual S 360 39.2274 50 0.06 71
IV.GAVE.EHZ. 2021-02-03T23:15:24.10 0.6 undecidable manual S 208 35.742 50 0 48
IV.ASSB.HHZ. 2021-02-03T23:15:24.00 0.3 undecidable manual S 282 36.8298 50 -0.39 67
IV.MNTP.HNZ. 2021-02-03T23:15:24.08 0.6 undecidable manual S 59 34.6431 50 0.26 46
IT.FOPC.HGN. 2021-02-03T23:15:23.50 0.6 undecidable manual S 269 32.4453 50 0.26 46
IV.FRON.EHZ. 2021-02-03T23:15:23.73 0.3 undecidable manual P 333 67.4769 50 -0.09 67
IV.SNTG.HHZ. 2021-02-03T23:15:23.40 0.3 undecidable manual S 337 33.6441 50 -0.16 70
IV.ARVD.HHZ. 2021-02-03T23:15:22.40 0.3 undecidable manual P 347 59.3961 50 -0.18 67
IV.MF5.EHZ. 2021-02-03T23:15:22.70 0.6 undecidable manual S 87 28.9488 50 0.41 45
IV.CESX.HHZ. 2021-02-03T23:15:22.32 0.3 undecidable manual P 226 58.497 50 -0.12 68
IV.SAP2.EHZ. 2021-02-03T23:15:22.20 0.6 undecidable manual S 61 27.4503 50 0.3 46
IV.MURB.HHZ. 2021-02-03T23:15:22.32 0.3 undecidable manual P 304 56.6988 50 0.17 67
IV.TERO.HHZ. 2021-02-03T23:15:21.97 0.3 undecidable manual P 134 56.499 50 -0.16 68
IV.RM33.EHZ. 2021-02-03T23:15:21.31 0.3 undecidable manual P 170 52.503 50 -0.2 67
IV.OFFI.HHZ. 2021-02-03T23:15:21.56 0.6 undecidable manual P 95 47.5191 50 0.82 37
IV.FIU1.HNZ. 2021-02-03T23:15:21.60 0.3 undecidable manual S 330 27.4503 50 -0.28 69
IV.ARRO.EHZ. 2021-02-03T23:15:21.40 0.3 undecidable manual P 212 51.8037 50 -0.01 70
IV.MNTT.EHZ. 2021-02-03T23:15:20.16 0.1 positive manual P 76 41.0256 50 0.41 88
IV.SEF1.HNN. 2021-02-03T23:15:20.33 0.1 undecidable manual S 326 22.755 114 -0.16 96
IV.CING.HNZ. 2021-02-03T23:15:20.01 0.1 undecidable manual P 10 45.0216 50 -0.34 88
IV.MDAR.HNN. 2021-02-03T23:15:20.55 0.3 undecidable manual S 8 24.2535 112 -0.41 68
IV.ATCC.EHZ. 2021-02-03T23:15:20.07 0.3 undecidable manual P 302 44.1225 50 -0.15 69
IV.FOSV.EHZ. 2021-02-03T23:15:20.21 0.3 undecidable manual P 322 44.9217 50 -0.14 69
IV.GUMA.HHZ. 2021-02-03T23:15:20.20 0.6 undecidable manual S 63 21.1677 115 0.24 47
IV.MML1.HNE. 2021-02-03T23:15:19.04 0.3 undecidable manual S 325 18.6702 118 -0.14 72
IV.LNSS.HHZ. 2021-02-03T23:15:19.49 0.3 undecidable manual P 187 41.625 50 -0.35 67
IV.MMO1.EHZ. 2021-02-03T23:15:19.30 0.3 undecidable manual S 115 20.0688 116 -0.31 70
IV.EL6.EHZ. 2021-02-03T23:15:19.30 0.1 undecidable manual P 360 39.2274 50 -0.17 93
IV.PF6.EHN. 2021-02-03T23:15:19.00 0.3 undecidable manual S 22 19.4694 117 -0.43 68
IV.SMA1.EHZ. 2021-02-03T23:15:19.61 0.1 undecidable manual P 154 42.7239 50 -0.39 88
IV.T1299.HNN. 2021-02-03T23:15:19.53 0.1 undecidable manual P 159 40.5261 50 -0.14 93
IV.SNTG.HHZ. 2021-02-03T23:15:18.33 0.1 undecidable manual P 337 33.6441 50 -0.28 91
IV.MNTP.HNZ. 2021-02-03T23:15:18.98 0.3 undecidable manual P 59 34.6431 50 0.22 69
IV.CSP1.EHZ. 2021-02-03T23:15:18.00 0.6 undecidable manual S 33 15.2736 123 -0.18 48
IV.CESI.HNZ. 2021-02-03T23:15:18.60 0.6 undecidable manual S 281 16.4724 121 0.08 49
IV.GAVE.EHZ. 2021-02-03T23:15:18.70 0.1 undecidable manual P 208 35.742 50 -0.22 92
IT.FOPC.HGN. 2021-02-03T23:15:18.38 0.3 undecidable manual P 269 32.4453 50 -0.04 72
IV.ASSB.HHZ. 2021-02-03T23:15:18.80 0.1 undecidable manual P 282 36.8298 50 -0.29 91
IV.NRCA.HNZ. 2021-02-03T23:15:18.10 0.6 undecidable manual S 177 15.7731 122 -0.22 48
IV.MF5.EHZ. 2021-02-03T23:15:17.92 0.1 undecidable manual P 87 28.9488 50 0.04 97
IV.SAP2.EHZ. 2021-02-03T23:15:17.73 0.3 undecidable manual P 61 27.4503 50 0.07 72
IV.FIU1.HNZ. 2021-02-03T23:15:17.77 0.6 undecidable manual P 330 27.4503 50 0.13 48
IT.MTCL.HGZ. 2021-02-03T23:15:16.70 0.6 undecidable manual S 284 8.6802 139 0.28 48
IV.FEMA.HNZ. 2021-02-03T23:15:16.10 0.6 undecidable manual S 251 4.5954 155 0.45 46
IV.GUMA.HHZ. 2021-02-03T23:15:16.60 0.1 negative manual P 63 21.1677 115 0.07 98
IV.FDMO.HHZ. 2021-02-03T23:15:16.20 0.6 undecidable manual S 349 6.8931 145 0.16 49
IV.MML1.HNE. 2021-02-03T23:15:16.08 0.1 undecidable manual P 325 18.6702 118 -0.01 99
IV.SEF1.HNN. 2021-02-03T23:15:16.83 0.6 undecidable manual P 326 22.755 114 -0.01 49
IV.MMO1.EHZ. 2021-02-03T23:15:16.14 0.1 negative manual P 115 20.0688 116 -0.19 95
IV.MC2.EHZ. 2021-02-03T23:15:16.80 0.6 undecidable manual S 136 9.9789 135 0.07 50
IV.MDAR.HNN. 2021-02-03T23:15:16.86 0.6 undecidable manual P 8 24.2535 112 -0.25 47
IV.PF6.EHN. 2021-02-03T23:15:16.00 0.1 undecidable manual P 22 19.4694 117 -0.23 95
IV.NRCA.HNZ. 2021-02-03T23:15:15.56 0.1 positive manual P 177 15.7731 122 -0.02 99
IV.CSP1.EHZ. 2021-02-03T23:15:15.51 0.1 negative manual P 33 15.2736 123 0 100
IV.CESI.HNZ. 2021-02-03T23:15:15.89 0.1 positive manual P 281 16.4724 121 0.19 96
IV.MC2.EHZ. 2021-02-03T23:15:14.95 0.1 undecidable manual P 136 9.9789 135 0.28 95
IT.MTCL.HGZ. 2021-02-03T23:15:14.73 0.1 positive manual P 284 8.6802 139 0.23 96
IV.FEMA.HNZ. 2021-02-03T23:15:14.45 0.3 undecidable manual P 251 4.5954 155 0.41 70
IV.FDMO.HHZ. 2021-02-03T23:15:14.47 0.1 undecidable manual P 349 6.8931 145 0.2 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:2.4 0.002153759 0.1664 AML other m 2021-02-03T23:15:19.06
IV.CESI.HHN. ML:2.2 0.0015466566 0.1792 AML other m 2021-02-03T23:15:19.13
IV.CESI.HNN. ML:2.2 0.00153109975 0.1792 AML other m 2021-02-03T23:15:19.14
IV.CESI.HNE. ML:2.2 0.001435 0.2 AML other m 2021-02-03T23:15:18.96
IV.NRCA.HNE. ML:2.4 0.0023388885 0.1792 AML other m 2021-02-03T23:15:19.15
IV.NRCA.HHE. ML:2.4 0.0024369889999999996 0.1664 AML other m 2021-02-03T23:15:18.36
IV.CESI.HHE. ML:2.2 0.0014359945 0.1152 AML other m 2021-02-03T23:15:19.13
IV.NRCA.HNN. ML:2.3 0.001899813 0.1536 AML other m 2021-02-03T23:15:18.41
IV.MF5.EHE. ML:2.5 0.00176 0.24 AML other m 2021-02-03T23:15:23.29
IV.MF5.EHN. ML:2.3 0.0009673899999999999 0.2432 AML other m 2021-02-03T23:15:23.48
IV.SNTG.HNE. ML:1.9 0.00033042435 0.1024 AML other m 2021-02-03T23:15:24.38
IV.SNTG.HHE. ML:1.6 0.00016619109999999997 0.1024 AML other m 2021-02-03T23:15:23.70
IV.SNTG.HNN. ML:1.9 0.0003058379 0.128 AML other m 2021-02-03T23:15:26.19
IV.ASSB.HHE. ML:2.1 0.0004901152 0.2816 AML other m 2021-02-03T23:15:24.49
IV.GAVE.HNE. ML:2.6 0.001681428 0.1792 AML other m 2021-02-03T23:15:25.04
IV.ASSB.HHN. ML:2.2 0.000558 0.22 AML other m 2021-02-03T23:15:24.53
IV.GAVE.EHE. ML:2.7 0.00189 1.82 AML other m 2021-02-03T23:15:24.04
IV.GAVE.EHN. ML:2.6 0.001617632 0.1536 AML other m 2021-02-03T23:15:25.02
IV.GAVE.HNN. ML:2.1 0.000523 1.82 AML other m 2021-02-03T23:15:25.02
IV.SNTG.HHN. ML:1.8 0.00029377555 0.1024 AML other m 2021-02-03T23:15:24.49
IV.EL6.EHE. ML:2.4 0.0008925000000000001 0.18 AML other m 2021-02-03T23:15:25.29
IV.EL6.EHN. ML:2.5 0.0010490537 0.1152 AML other m 2021-02-03T23:15:26.11
IV.FOSV.EHN. ML:1.9 0.00023850000000000002 0.24 AML other m 2021-02-03T23:15:27.25
IV.LNSS.HHE. ML:2.1 0.0004113819 0.128 AML other m 2021-02-03T23:15:27.28
IV.LNSS.HHN. ML:2.1 0.0003968676 0.1536 AML other m 2021-02-03T23:15:27.83
IV.MNTT.EHN. ML:2.6 0.0013683775 0.2176 AML other m 2021-02-03T23:15:28.58
IV.FOSV.EHE. ML:1.7 0.00016433259999999999 0.1408 AML other m 2021-02-03T23:15:29.24
IV.SMA1.EHN. ML:1.8 0.000181649095 0.1664 AML other m 2021-02-03T23:15:29.22
IV.ATCC.EHE. ML:1.8 0.00020913805000000003 0.2816 AML other m 2021-02-03T23:15:33.61
IV.ATCC.EHN. ML:1.9 0.00022600000000000002 0.22 AML other m 2021-02-03T23:15:29.34
IV.SMA1.EHE. ML:1.9 0.0002340075 0.2432 AML other m 2021-02-03T23:15:29.57
IV.MNTT.EHE. ML:2.6 0.0012218584999999999 0.2048 AML other m 2021-02-03T23:15:32.58
IV.RM33.EHN. ML:1.7 0.00013120405 0.2432 AML other m 2021-02-03T23:15:29.54
IV.ARRO.EHN. ML:1.8 0.00017465810000000001 0.2048 AML other m 2021-02-03T23:15:29.78
IV.ARRO.EHE. ML:2.0 0.00022849999999999997 0.18 AML other m 2021-02-03T23:15:31.19
IV.TERO.HHE. ML:1.7 0.0001156104 0.1664 AML other m 2021-02-03T23:15:30.81
IV.RM33.EHE. ML:1.7 0.00012874994500000002 0.2048 AML other m 2021-02-03T23:15:31.28
IV.ARVD.HHN. ML:1.7 0.000114 0.14 AML other m 2021-02-03T23:15:32.43
IV.CESX.HHE. ML:2.1 0.0002655 0.44 AML other m 2021-02-03T23:15:33.36
IV.ARVD.HHE. ML:1.9 0.0001495361 0.1408 AML other m 2021-02-03T23:15:32.83
IV.CESX.HHN. ML:2.2 0.00036150000000000006 0.34 AML other m 2021-02-03T23:15:33.35
IV.TERO.HHN. ML:1.6 0.00009803321000000002 0.2176 AML other m 2021-02-03T23:15:37.28
IV.MURB.HHN. ML:2.1 0.00027197285000000006 0.3584 AML other m 2021-02-03T23:15:37.57
IV.MURB.HHE. ML:2.1 0.000302 0.28 AML other m 2021-02-03T23:15:35.68
IV.FRON.EHE. ML:1.7 0.0000863 0.22 AML other m 2021-02-03T23:15:36.86
IV.FRON.EHN. ML:1.8 0.000122 0.66 AML other m 2021-02-03T23:15:37.70
IV.PIEI.HHE. ML:1.8 0.00009059217999999999 0.1024 AML other m 2021-02-03T23:15:38.12
IV.PIEI.HHN. ML:1.6 0.00006155 0.8 AML other m 2021-02-03T23:15:38.77
IV.NARO.HHN. ML:1.5 0.000042813945 0.1152 AML other m 2021-02-03T23:15:40.60
IV.NARO.HHE. ML:1.5 0.000040102055 0.2048 AML other m 2021-02-03T23:15:43.81
IV.T0110.HHN. ML:1.8 0.00006945 1.58 AML other m 2021-02-03T23:15:43.85
IV.SRES.HHN. ML:1.7 0.00004775 1.62 AML other m 2021-02-03T23:15:44.09
IV.SRES.HHE. ML:1.9 0.0000842 0.74 AML other m 2021-02-03T23:15:45.06
IV.T0110.HHE. ML:1.9 0.00007865 0.28 AML other m 2021-02-03T23:15:45.04
IV.LNSS.HNN. ML:2.1 0.00037553835000000003 0.1664 AML other m 2021-02-03T23:15:27.84
IV.LNSS.HNE. ML:2.1 0.00038260919999999997 0.1408 AML other m 2021-02-03T23:15:27.28
IV.RM33.HNN. ML:1.8 0.00017511265 0.2688 AML other m 2021-02-03T23:15:29.54
IV.OFFI.HHN. ML:2.1 0.00033824224999999997 0.2432 AML other m 2021-02-03T23:15:30.62
IV.TERO.HNE. ML:1.9 0.00017044352 0.2816 AML other m 2021-02-03T23:15:32.73
IV.MURB.HNN. ML:2.1 0.0002690945 0.1792 AML other m 2021-02-03T23:15:34.38
IV.MURB.HNE. ML:2.2 0.00033351205 0.32 AML other m 2021-02-03T23:15:35.53
IV.COR1.HNE. ML:3.0 0.0015194872000000002 1.024 AML other m 2021-02-03T23:15:42.86
IV.COR1.EHE. ML:1.8 0.00011178564999999999 0.2816 AML other m 2021-02-03T23:15:40.17
IV.COR1.EHN. ML:2.1 0.00020237270000000003 0.384 AML other m 2021-02-03T23:15:37.98
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