Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 31-01-2022 and time 17:32:44 (Italy) in region 3 km S Accumoli (RI)

A magnitude ML 2.0 earthquake occured in region: 3 km S Accumoli (RI), on

  • 31-01-2022 16:32:44 (UTC)
  • 31-01-2022 17:32:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6700, 13.2550 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
Accumoli RI 3 667 667
Amatrice RI 5 2657 3324
Cittareale RI 10 482 3806
Arquata del Tronto AP 12 1178 4984
Campotosto AQ 16 542 5526
Montereale AQ 16 2581 8107
Acquasanta Terme AP 17 2916 11023
Capitignano AQ 17 665 11688
Norcia PG 19 4957 16645

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km W of Teramo (54892 inhabitants)
37 Km NW of L'Aquila (69753 inhabitants)
51 Km E of Terni (111501 inhabitants)
55 Km SE of Foligno (57155 inhabitants)
75 Km W of Montesilvano (53738 inhabitants)
82 Km W of Pescara (121014 inhabitants)
83 Km W of Chieti (51815 inhabitants)
86 Km SE of Perugia (166134 inhabitants)
86 Km NE of Guidonia Montecelio (88673 inhabitants)
87 Km NE of Tivoli (56533 inhabitants)
98 Km E 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 2022-01-31
16:32:44		 42.6703 13.2553 11 2022-07-08
12:33:48		 Bollettino Sismico Italiano INGV 103607051
Reviewed
Rev100 		ML 2.0 2022-01-31
16:32:44		 42.6755 13.2477 10 2022-01-31
16:41:23		 Sala Sismica INGV-Roma 100409491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-31 16:32:44 ± 0.05
Latitude 42.6703 ± 0.0036
Longitude 13.2553 ± 0.0049
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 103607051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 414
Semi-minor axis of confidence ellipse (meter) 296
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 80
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 68
Number of defining phases 56
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.06120
Number of stations at which the event was observed 46
Number of stations from which data was used for origin computation 36
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 68
Type of magnitude ML
Reference to an origin 100409491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-31 16:41:23

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 66
Type of magnitude ML
Reference to an origin 103607051
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-04-22 10:39:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.TDS.HHZ. 2022-01-31T16:34:28.31 3.0 undecidable manual Sn 0.03 0
IV.CMPR.HHZ. 2022-01-31T16:34:11.53 3.0 undecidable manual Sg 7.55 0
IV.PZUN.HHZ. 2022-01-31T16:34:04.16 3.0 undecidable manual Sn 0.77 0
IV.MTGR.HHZ. 2022-01-31T16:33:54.53 3.0 undecidable manual Pn -1.68 0
SI.ABSI.HHZ. 2022-01-31T16:33:53.74 3.0 undecidable manual Pn 4.63 0
IV.TDS.HHZ. 2022-01-31T16:33:51.64 3.0 undecidable manual Pg 8.83 0
IV.ZEN8.EHZ. 2022-01-31T16:33:48.01 3.0 undecidable manual Pg 10 0
OT.OT17.EHZ. 2022-01-31T16:33:39.11 3.0 undecidable manual Sn -1.57 0
IV.FIR.HHZ. 2022-01-31T16:33:37.64 3.0 undecidable manual Sn -1.83 0
IV.PTRJ.HHZ. 2022-01-31T16:33:35.10 3.0 undecidable manual Sg 0.31 0
IV.TREG.HNZ. 2022-01-31T16:33:35.45 3.0 negative manual Pn 0.89 0
IV.PZUN.HHZ. 2022-01-31T16:33:30.82 3.0 negative manual Pn 1.99 0
IV.EL6.EHZ. 2022-01-31T16:33:08.46 0.6 undecidable manual S 350 0.6682 50 1.4 27
IV.NARO.HHZ. 2022-01-31T16:33:04.31 0.3 undecidable manual P 333 1.0612 50 -0.01 62
IV.MOMA.HHZ. 2022-01-31T16:33:03.65 0.6 undecidable manual S 285 0.5207 50 0.96 35
IV.MPAG.EHZ. 2022-01-31T16:33:03.99 0.3 undecidable manual P 339 1.0243 50 0.29 59
IV.PIEI.HHZ. 2022-01-31T16:33:03.53 0.3 undecidable manual P 329 1.0117 50 0.04 62
IV.MGAB.HHZ. 2022-01-31T16:33:01.87 0.6 undecidable manual P 286 0.8723 50 0.77 35
IV.MML1.EHZ. 2022-01-31T16:33:01.90 0.6 undecidable manual S 335 0.4892 50 0.14 46
IV.MURB.HHZ. 2022-01-31T16:33:00.10 0.3 undecidable manual P 318 0.7977 50 0.28 62
IV.INTR.HHZ. 2022-01-31T16:32:59.60 0.3 undecidable manual P 144 0.8148 50 -0.51 59
IV.FIAM.HHZ. 2022-01-31T16:32:59.69 0.6 undecidable manual S 194 0.4146 50 0.14 46
IV.CSP1.EHZ. 2022-01-31T16:32:59.84 0.6 undecidable manual S 355 0.4227 50 0.05 47
IV.GUMA.HHZ. 2022-01-31T16:32:59.66 0.6 undecidable manual S 8 0.3966 50 0.65 41
IV.CESI.HHZ. 2022-01-31T16:32:59.93 0.6 undecidable manual S 323 0.4218 50 0.17 46
IV.MF5.EHZ. 2022-01-31T16:32:58.27 0.6 undecidable manual S 25 0.3507 50 0.61 42
IV.FDMO.HHZ. 2022-01-31T16:32:58.68 0.6 undecidable manual S 341 0.3858 50 -0.03 48
IV.CING.HHZ. 2022-01-31T16:32:58.10 0.3 undecidable manual P 356 0.7060 50 -0.15 65
IT.MTCL.HGZ. 2022-01-31T16:32:58.20 0.6 undecidable manual S 330 0.3741 50 -0.14 47
IV.EL6.EHZ. 2022-01-31T16:32:57.47 0.1 undecidable manual P 350 0.6682 50 -0.14 88
IV.ATCC.EHZ. 2022-01-31T16:32:57.87 0.3 undecidable manual P 319 0.6835 50 0 67
IV.T0110.HHZ. 2022-01-31T16:32:56.00 0.1 undecidable manual P 139 0.5846 50 -0.17 89
IV.SNTG.HHZ. 2022-01-31T16:32:56.53 0.1 undecidable manual P 339 0.6277 50 -0.39 84
IV.MOMA.HHZ. 2022-01-31T16:32:55.19 0.3 undecidable manual P 285 0.5207 50 0.11 68
IV.ASSB.HHZ. 2022-01-31T16:32:55.71 0.3 undecidable manual P 311 0.5738 50 -0.28 65
IV.SAP2.EHZ. 2022-01-31T16:32:54.24 0.3 undecidable manual P 14 0.4389 50 0.56 63
IV.MC2.EHZ. 2022-01-31T16:32:54.46 0.3 undecidable manual S 349 0.2455 50 -0.09 72
IV.MNTT.EHZ. 2022-01-31T16:32:54.84 0.3 undecidable manual P 32 0.4641 50 0.73 58
IV.FAGN.HHZ. 2022-01-31T16:32:54.06 0.3 undecidable manual P 149 0.4712 50 -0.18 68
IV.TERO.HHZ. 2022-01-31T16:32:54.40 0.6 undecidable manual S 100 0.2608 50 -0.59 43
IV.GAVE.EHZ. 2022-01-31T16:32:54.91 0.6 undecidable manual S 275 0.2662 50 -0.25 47
IV.VCEL.EHZ. 2022-01-31T16:32:54.99 0.3 undecidable manual P 122 0.5117 50 0.06 69
IV.MML1.EHZ. 2022-01-31T16:32:54.26 0.1 negative manual P 335 0.4892 50 -0.28 88
IV.GUMA.HHZ. 2022-01-31T16:32:53.16 0.1 positive manual P 8 0.3966 50 0.2 92
IV.CESI.HHZ. 2022-01-31T16:32:53.16 0.1 negative manual P 323 0.4218 50 -0.23 91
IV.FIAM.HHZ. 2022-01-31T16:32:53.28 0.1 undecidable manual P 194 0.4146 50 0.01 95
IV.OFFI.HHZ. 2022-01-31T16:32:53.96 0.3 undecidable manual P 50 0.4119 50 0.74 58
IV.CSP1.EHZ. 2022-01-31T16:32:53.18 0.1 negative manual P 355 0.4227 50 -0.23 91
IV.MMO1.EHZ. 2022-01-31T16:32:53.79 0.6 undecidable manual S 13 0.2347 50 -0.43 45
IV.CAMP.HHZ. 2022-01-31T16:32:52.27 0.6 undecidable manual S 140 0.1754 118 -0.1 49
IT.MTCL.HGZ. 2022-01-31T16:32:52.25 0.1 undecidable manual P 330 0.3741 50 -0.32 90
IV.LNSS.HHZ. 2022-01-31T16:32:52.27 0.3 undecidable manual S 247 0.1718 119 0.02 74
IV.MF5.EHZ. 2022-01-31T16:32:52.37 0.1 undecidable manual P 25 0.3507 50 0.2 93
IV.NRCA.HNZ. 2022-01-31T16:32:52.40 0.6 undecidable manual S 328 0.1934 116 -0.57 43
IV.FDMO.HHZ. 2022-01-31T16:32:52.42 0.1 negative manual P 341 0.3858 50 -0.36 89
IV.RM33.EHZ. 2022-01-31T16:32:52.13 0.6 undecidable manual S 191 0.1637 120 0.15 48
IV.GAVE.EHZ. 2022-01-31T16:32:50.62 0.1 negative manual P 275 0.2662 50 -0.11 96
IV.MC2.EHZ. 2022-01-31T16:32:50.24 0.1 negative manual P 349 0.2455 50 -0.14 96
IV.MTRA.HNZ. 2022-01-31T16:32:50.73 0.6 undecidable manual S 50 0.1349 125 -0.3 47
IV.TERO.HHZ. 2022-01-31T16:32:50.32 0.1 undecidable manual P 100 0.2608 50 -0.31 92
IV.NRCA.HNZ. 2022-01-31T16:32:49.26 0.1 negative manual P 328 0.1934 116 -0.21 95
IV.RM33.EHZ. 2022-01-31T16:32:49.03 0.1 undecidable manual P 191 0.1637 120 0.14 97
IV.MMO1.EHZ. 2022-01-31T16:32:49.93 0.1 undecidable manual P 13 0.2347 50 -0.26 93
IV.SMA1.EHZ. 2022-01-31T16:32:49.52 0.6 undecidable manual S 124 0.0710 143 0.28 48
IV.CAMP.HHZ. 2022-01-31T16:32:49.13 0.1 undecidable manual P 140 0.1754 118 0.01 99
IV.LNSS.HHZ. 2022-01-31T16:32:49.17 0.1 positive manual P 247 0.1718 119 0.12 97
IV.MTRA.HNZ. 2022-01-31T16:32:48.33 0.1 undecidable manual P 50 0.1349 125 -0.02 100
IV.SMA1.EHZ. 2022-01-31T16:32:47.71 0.1 undecidable manual P 124 0.0710 143 0.4 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:2.6 0.005539999999999999 0.16 AML other m 2022-01-31T16:32:49.65
IV.SMA1.EHE. ML:2.5 0.00479 0.1 AML other m 2022-01-31T16:32:50.27
IV.MTRA.EHN. ML:2.3 0.0017050000000000001 1.68 AML other m 2022-01-31T16:32:51.12
IV.MTRA.HNN. ML:2.2 0.00168 1.68 AML other m 2022-01-31T16:32:51.12
IV.MTRA.HNE. ML:2.2 0.0014750000000000002 0.28 AML other m 2022-01-31T16:32:51.25
IV.MTRA.EHE. ML:2.2 0.0015249999999999999 0.28 AML other m 2022-01-31T16:32:51.11
IV.CAMP.HHE. ML:1.7 0.00039400000000000004 0.16 AML other m 2022-01-31T16:32:52.35
IV.RM33.HNN. ML:2.2 0.0012050000000000001 0.28 AML other m 2022-01-31T16:32:52.36
IV.RM33.EHN. ML:2.2 0.001165 0.26 AML other m 2022-01-31T16:32:52.36
IV.CAMP.HHN. ML:1.8 0.0005415 0.28 AML other m 2022-01-31T16:32:52.51
IV.NRCA.HNN. ML:2.6 0.00246 0.16 AML other m 2022-01-31T16:32:52.59
IV.NRCA.HHN. ML:2.6 0.0028200000000000005 0.16 AML other m 2022-01-31T16:32:52.59
IV.LNSS.HHE. ML:1.9 0.0005915 0.46 AML other m 2022-01-31T16:32:52.68
IV.NRCA.HHE. ML:2.7 0.00353 0.18 AML other m 2022-01-31T16:32:52.64
IV.NRCA.HNE. ML:2.7 0.00344 0.18 AML other m 2022-01-31T16:32:52.73
IV.LNSS.HHN. ML:1.8 0.0005175000000000001 0.48 AML other m 2022-01-31T16:32:52.50
IV.RM33.HNE. ML:2.1 0.0009805 0.62 AML other m 2022-01-31T16:32:53.38
IV.RM33.EHE. ML:2.0 0.0009475 0.62 AML other m 2022-01-31T16:32:53.39
IV.MMO1.EHE. ML:2.1 0.000657 1.92 AML other m 2022-01-31T16:32:54.00
IV.MMO1.EHN. ML:2.1 0.0006565000000000001 0.46 AML other m 2022-01-31T16:32:54.07
IV.TERO.HNE. ML:2.0 0.0004905 0.8 AML other m 2022-01-31T16:32:55.17
IV.MC2.EHE. ML:2.2 0.000794 0.82 AML other m 2022-01-31T16:32:55.80
IV.TERO.HNN. ML:2.1 0.0005989999999999999 0.92 AML other m 2022-01-31T16:32:55.51
IV.GAVE.EHN. ML:2.2 0.000762 0.86 AML other m 2022-01-31T16:32:55.25
IV.TERO.HHN. ML:2.1 0.0005989999999999999 0.48 AML other m 2022-01-31T16:32:55.73
IV.MC2.EHN. ML:2.2 0.000893 0.24 AML other m 2022-01-31T16:32:56.26
IV.TERO.HHE. ML:1.9 0.0003935 0.76 AML other m 2022-01-31T16:32:56.57
IV.GAVE.EHE. ML:2.2 0.0007355 0.74 AML other m 2022-01-31T16:32:56.13
IV.MF5.EHN. ML:2.0 0.000335 0.26 AML other m 2022-01-31T16:32:58.59
IV.MF5.EHE. ML:1.9 0.000257 0.64 AML other m 2022-01-31T16:32:58.55
IT.MTCL.HGE. ML:3.7 0.015850000000000003 0.76 AML other m 2022-01-31T16:32:58.90
IT.MTCL.HGN. ML:3.7 0.0157 0.46 AML other m 2022-01-31T16:32:59.69
IV.GUMA.HHE. ML:2.6 0.001375 1.72 AML other m 2022-01-31T16:32:59.94
IV.GUMA.HNE. ML:2.5 0.0010869999999999999 1.68 AML other m 2022-01-31T16:32:59.95
IV.GUMA.HNN. ML:2.4 0.0008725 1.64 AML other m 2022-01-31T16:33:00.08
IV.FIAM.HHE. ML:1.4 0.0000711 0.3 AML other m 2022-01-31T16:33:00.09
IV.FDMO.HHN. ML:1.7 0.000175 0.14 AML other m 2022-01-31T16:33:00.40
IV.CSP1.EHN. ML:2.2 0.00046750000000000003 1.14 AML other m 2022-01-31T16:33:00.01
IV.GUMA.HHN. ML:2.4 0.000741 0.36 AML other m 2022-01-31T16:33:00.59
IV.FIAM.HHN. ML:1.4 0.0000823 1 AML other m 2022-01-31T16:33:00.61
IV.CESI.HHN. ML:1.8 0.00017749999999999998 0.32 AML other m 2022-01-31T16:33:00.67
IV.FDMO.HHE. ML:1.7 0.00014850000000000003 0.42 AML other m 2022-01-31T16:33:00.92
IV.CSP1.EHE. ML:2.2 0.0004115 1.58 AML other m 2022-01-31T16:33:01.81
IV.CESI.HHE. ML:1.6 0.00011649999999999999 0.88 AML other m 2022-01-31T16:33:02.44
IV.SAP2.EHE. ML:2.0 0.000291 1.12 AML other m 2022-01-31T16:33:03.66
IV.MML1.EHE. ML:1.6 0.0001008 0.46 AML other m 2022-01-31T16:33:03.60
IV.MOMA.HHE. ML:1.9 0.000166 0.16 AML other m 2022-01-31T16:33:03.85
IV.MNTT.EHE. ML:2.1 0.00034050000000000004 1.66 AML other m 2022-01-31T16:33:04.01
IV.MOMA.HHN. ML:1.9 0.0001565 1.16 AML other m 2022-01-31T16:33:04.11
IV.MML1.EHN. ML:1.7 0.0001205 0.6 AML other m 2022-01-31T16:33:05.70
IV.VCEL.EHE. ML:2.1 0.00026250000000000004 0.62 AML other m 2022-01-31T16:33:05.44
IV.ASSB.HHE. ML:1.7 0.0000975 0.28 AML other m 2022-01-31T16:33:05.71
IV.SAP2.EHN. ML:2.7 0.00146 0.2 AML other m 2022-01-31T16:33:05.68
IV.FAGN.HHN. ML:1.8 0.000151 1.32 AML other m 2022-01-31T16:33:05.75
IV.VCEL.EHN. ML:1.8 0.00015099999999999998 1.6 AML other m 2022-01-31T16:33:05.01
IV.ASSB.HHN. ML:1.8 0.0001105 1.72 AML other m 2022-01-31T16:33:06.09
IV.MNTT.EHN. ML:2.2 0.0004355 0.32 AML other m 2022-01-31T16:33:07.19
IV.SNTG.HHE. ML:1.4 0.0000435 0.76 AML other m 2022-01-31T16:33:07.46
IV.T0110.HHN. ML:1.8 0.0001073 0.5 AML other m 2022-01-31T16:33:09.73
IV.CING.HHE. ML:1.8 0.00008005 1.38 AML other m 2022-01-31T16:33:10.05
IV.CING.HHN. ML:1.8 0.00009719999999999999 0.28 AML other m 2022-01-31T16:33:11.23
IV.SNTG.HHN. ML:1.4 0.00003925 0.42 AML other m 2022-01-31T16:33:11.54
IV.T0110.HHE. ML:1.8 0.0001237 0.56 AML other m 2022-01-31T16:33:12.48
IV.FAGN.HHE. ML:1.8 0.00016499999999999997 0.44 AML other m 2022-01-31T16:33:12.43
IV.FOSV.EHN. ML:1.5 0.000045950000000000006 1.72 AML other m 2022-01-31T16:33:13.05
IV.FOSV.EHE. ML:1.5 0.000042499999999999996 0.46 AML other m 2022-01-31T16:33:15.46
IV.MURB.HHN. ML:2.0 0.0001205 0.9 AML other m 2022-01-31T16:33:16.19
IV.MURB.HHE. ML:2.0 0.00010850000000000001 0.72 AML other m 2022-01-31T16:33:18.34
IV.PTRJ.HHN. ML:3.0 0.0003415 0.54 AML other m 2022-01-31T16:33:38.86
IV.PTRJ.HHE. ML:2.2 0.00005485 1.16 AML other m 2022-01-31T16:33:49.77
IV.TREG.EHN. ML:3.5 0.000241 0.06 AML other m 2022-01-31T16:34:28.83
IV.TREG.EHE. ML:3.6 0.00034050000000000004 0.06 AML other m 2022-01-31T16:34:29.12
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