Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 14-12-2021 and time 20:39:56 (Italy) in region 6 km W Accumoli (RI)

A magnitude ML 2.2 earthquake occured in region: 6 km W Accumoli (RI), on

  • 14-12-2021 19:39:56 (UTC)
  • 14-12-2021 20:39:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7130, 13.1830 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 6 667 667
Cittareale RI 11 482 1149
Arquata del Tronto AP 12 1178 2327
Norcia PG 12 4957 7284
Amatrice RI 13 2657 9941
Cascia PG 14 3217 13158
Montegallo AP 19 523 13681
Acquasanta Terme AP 20 2916 16597

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Teramo (54892 inhabitants)
44 Km NW of L'Aquila (69753 inhabitants)
47 Km E of Terni (111501 inhabitants)
48 Km SE of Foligno (57155 inhabitants)
78 Km SE of Perugia (166134 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
88 Km NE of Guidonia Montecelio (88673 inhabitants)
89 Km W of Pescara (121014 inhabitants)
89 Km NE of Tivoli (56533 inhabitants)
90 Km W of Chieti (51815 inhabitants)
94 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 2.2 2021-12-14
19:39:56		 42.7132 13.1827 10 2022-03-30
13:04:32		 Bollettino Sismico Italiano INGV 99974751
Reviewed
Rev100 		ML 2.2 2021-12-14
19:39:56		 42.7143 13.1772 10 2021-12-14
19:47:08		 Sala Sismica INGV-Roma 98519231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-14 19:39:56 ± 0.05
Latitude 42.7132 ± 0.0027
Longitude 13.1827 ± 0.0037
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 99974751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 299
Semi-minor axis of confidence ellipse (meter) 221
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 218
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 45
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.13040
Epicentral distance of station farthest from the epicenter (degree) 0.99465
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 88
Type of magnitude ML
Reference to an origin 98519231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-14 19:47:08

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 80
Type of magnitude ML
Reference to an origin 99974751
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-20 11:09:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2021-12-14T19:40:23.77 3.0 undecidable manual S 86.5467 1.58 0
IV.ATPI.EHZ. 2021-12-14T19:40:14.25 0.6 undecidable manual P 323 103.4187 50 0.35 40
IV.LPEL.HHZ. 2021-12-14T19:40:14.80 0.6 undecidable manual P 132 110.4006 50 -0.18 41
IV.RCAV.EHZ. 2021-12-14T19:40:13.68 0.6 undecidable manual P 192 98.0241 50 0.61 37
IV.ATVO.HHZ. 2021-12-14T19:40:13.56 0.6 undecidable manual P 320 97.3248 50 0.61 37
IV.TB01.DHZ.01 2021-12-14T19:40:13.11 0.6 undecidable manual P 321 95.7264 50 0.39 40
IV.ATVA.EHZ. 2021-12-14T19:40:13.76 0.6 undecidable manual P 311 96.126 50 0.98 32
IV.ATLO.EHZ. 2021-12-14T19:40:12.69 0.6 undecidable manual P 317 91.7415 50 0.59 38
IV.PF6.EHZ. 2021-12-14T19:40:11.66 0.6 undecidable manual S 1 47.1195 50 -0.02 47
IV.SSFR.HHZ. 2021-12-14T19:40:11.40 3.0 positive manual P 86.5467 0.1 0
IV.GIGS.HHZ. 2021-12-14T19:40:10.33 0.3 undecidable manual S 132 43.0236 50 -0.24 68
IV.MF5.EHZ. 2021-12-14T19:40:09.58 0.3 undecidable manual S 36 37.9287 50 0.37 67
IV.CESI.HHZ. 2021-12-14T19:40:09.54 0.3 undecidable manual S 325 39.4272 50 -0.1 71
IV.FDMO.HHZ. 2021-12-14T19:40:08.55 0.3 undecidable manual S 348 36.741 50 -0.35 68
IV.ARRO.EHZ. 2021-12-14T19:40:08.67 0.6 undecidable manual S 247 37.1295 50 -0.34 45
IV.TERO.HHZ. 2021-12-14T19:40:08.25 0.3 undecidable manual S 106 35.8419 50 -0.4 67
IV.FEMA.HNZ. 2021-12-14T19:40:06.75 0.6 undecidable manual S 339 29.6481 50 -0.26 46
IV.MNTP.HNZ. 2021-12-14T19:40:06.80 0.6 undecidable manual P 26 52.503 50 0.74 39
IV.CAMP.HHZ. 2021-12-14T19:40:06.04 0.3 undecidable manual S 137 26.9508 50 -0.26 70
IV.OFFI.HHZ. 2021-12-14T19:40:06.04 0.6 undecidable manual P 59 47.7189 50 0.72 39
IV.ASSB.HHZ. 2021-12-14T19:40:06.59 0.1 undecidable manual P 311 56.0994 50 -0.02 93
IV.SAP2.EHZ. 2021-12-14T19:40:05.40 0.1 undecidable manual P 22 46.0206 50 0.34 89
IV.GAVE.EHZ. 2021-12-14T19:40:05.04 0.3 undecidable manual S 264 23.6541 113 -0.29 70
IV.MOMA.HHZ. 2021-12-14T19:40:05.81 0.1 undecidable manual P 282 50.9157 50 0 94
IV.PF6.EHZ. 2021-12-14T19:40:05.04 0.3 undecidable manual P 1 47.1195 50 -0.19 69
IV.CESX.HHZ. 2021-12-14T19:40:05.51 0.1 undecidable manual P 257 50.0166 50 -0.16 92
IV.MC2.EHZ. 2021-12-14T19:40:04.55 0.3 undecidable manual S 1 21.9669 115 -0.26 71
IV.GIGS.HHZ. 2021-12-14T19:40:04.26 0.3 undecidable manual P 132 43.0236 50 -0.33 67
IV.GUMA.HHZ. 2021-12-14T19:40:04.41 0.1 undecidable manual P 18 40.7259 50 0.17 93
IV.MF5.EHZ. 2021-12-14T19:40:04.18 0.1 undecidable manual P 36 37.9287 50 0.38 89
IV.CSP1.EHZ. 2021-12-14T19:40:04.28 0.1 undecidable manual P 2 42.0246 50 -0.16 93
IV.TERO.HHZ. 2021-12-14T19:40:03.25 0.1 undecidable manual P 106 35.8419 50 -0.23 93
IV.SMA1.EHZ. 2021-12-14T19:40:03.08 0.3 undecidable manual S 126 15.4734 123 0.26 71
IV.CESI.HHZ. 2021-12-14T19:40:03.92 0.1 undecidable manual P 325 39.4272 50 -0.13 94
IV.FDMO.HHZ. 2021-12-14T19:40:03.38 0.1 undecidable manual P 348 36.741 50 -0.24 92
IV.MTRA.HNZ. 2021-12-14T19:40:03.27 0.3 undecidable manual S 74 18.0708 119 -0.32 70
IV.ARRO.EHZ. 2021-12-14T19:40:03.68 0.6 undecidable manual P 247 37.1295 50 -0.01 48
IV.LNSS.HNZ. 2021-12-14T19:40:03.30 0.3 undecidable manual S 224 16.872 121 0.07 74
IV.FEMA.HNZ. 2021-12-14T19:40:02.36 0.3 undecidable manual P 339 29.6481 50 -0.17 71
IV.NRCA.HHZ. 2021-12-14T19:40:02.00 0.6 undecidable manual S 337 14.4744 125 -0.53 45
IV.CAMP.HHZ. 2021-12-14T19:40:02.02 0.1 undecidable manual P 137 26.9508 50 -0.1 97
IV.MC2.EHZ. 2021-12-14T19:40:01.20 0.1 undecidable manual P 1 21.9669 115 -0.06 98
IV.GAVE.EHZ. 2021-12-14T19:40:01.54 0.1 undecidable manual P 264 23.6541 113 -0.02 99
IV.LNSS.HNZ. 2021-12-14T19:40:00.60 0.1 undecidable manual P 224 16.872 121 0.25 95
IV.SMA1.EHZ. 2021-12-14T19:40:00.39 0.1 undecidable manual P 126 15.4734 123 0.28 95
IV.MTRA.HNZ. 2021-12-14T19:40:00.48 0.1 undecidable manual P 74 18.0708 119 -0.08 99
IV.NRCA.HHZ. 2021-12-14T19:39:59.91 0.1 negative manual P 337 14.4744 125 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:2.6 0.003675 0.16 AML other m 2021-12-14T19:40:02.32
IV.NRCA.HNN. ML:2.5 0.0033599999999999997 0.14 AML other m 2021-12-14T19:40:02.32
IV.NRCA.HHE. ML:2.6 0.0040246875000000005 0.1408 AML other m 2021-12-14T19:40:03.09
IV.NRCA.HNE. ML:2.6 0.0038336959999999997 0.128 AML other m 2021-12-14T19:40:03.10
IV.MTRA.EHN. ML:2.1 0.0009934158 0.32 AML other m 2021-12-14T19:40:06.10
IV.MTRA.HNN. ML:2.1 0.001014768 0.3456 AML other m 2021-12-14T19:40:05.93
IV.SMA1.EHN. ML:2.6 0.0038994039999999995 0.2048 AML other m 2021-12-14T19:40:03.62
IV.MTRA.HNE. ML:2.3 0.0015349532 0.2432 AML other m 2021-12-14T19:40:04.62
IV.MTRA.EHE. ML:2.3 0.00152184085 0.2304 AML other m 2021-12-14T19:40:04.62
IV.SMA1.EHE. ML:2.5 0.003273762 0.1792 AML other m 2021-12-14T19:40:03.89
IV.MC2.EHN. ML:2.4 0.0018423055 0.2176 AML other m 2021-12-14T19:40:05.89
IV.MC2.EHE. ML:2.5 0.002301129 0.1792 AML other m 2021-12-14T19:40:05.65
IV.GAVE.HNN. ML:2.0 0.00057006175 0.1408 AML other m 2021-12-14T19:40:06.20
IV.GAVE.EHE. ML:2.6 0.00244 0.22 AML other m 2021-12-14T19:40:06.28
IV.GAVE.HNE. ML:2.6 0.002285 0.24 AML other m 2021-12-14T19:40:06.28
IV.CAMP.HHN. ML:2.0 0.0005375 0.3 AML other m 2021-12-14T19:40:06.40
IV.GAVE.EHN. ML:2.5 0.001945 0.9 AML other m 2021-12-14T19:40:06.85
IV.CAMP.HHE. ML:2.0 0.0005930503 0.256 AML other m 2021-12-14T19:40:06.35
IV.TERO.HNN. ML:2.4 0.0009359843500000001 0.1024 AML other m 2021-12-14T19:40:08.62
IV.TERO.HNE. ML:2.1 0.0005685 1.46 AML other m 2021-12-14T19:40:09.92
IV.CESI.HHE. ML:2.3 0.0007235000000000001 0.2 AML other m 2021-12-14T19:40:10.15
IV.CESI.HNE. ML:2.3 0.0006673953 0.192 AML other m 2021-12-14T19:40:10.16
IV.ARRO.EHE. ML:1.8 0.00025251935000000005 0.1792 AML other m 2021-12-14T19:40:10.15
IV.CESI.HNN. ML:2.6 0.0013599999999999999 0.36 AML other m 2021-12-14T19:40:10.12
IV.CESI.HHN. ML:2.6 0.0013700000000000001 0.36 AML other m 2021-12-14T19:40:10.12
IV.MF5.EHN. ML:2.1 0.000512 0.42 AML other m 2021-12-14T19:40:10.58
IV.FDMO.HHE. ML:2.0 0.00035564010000000004 0.1792 AML other m 2021-12-14T19:40:10.34
IV.ARRO.EHN. ML:2.1 0.0004415 0.16 AML other m 2021-12-14T19:40:10.55
IV.CSP1.EHE. ML:2.6 0.0011984682 0.2688 AML other m 2021-12-14T19:40:10.98
IV.GUMA.HHE. ML:2.8 0.0019299999999999999 0.24 AML other m 2021-12-14T19:40:11.19
IV.GUMA.HNE. ML:2.6 0.001253219 0.3456 AML other m 2021-12-14T19:40:11.58
IV.GUMA.HNN. ML:2.6 0.0015049999999999998 0.28 AML other m 2021-12-14T19:40:11.30
IV.FDMO.HHN. ML:2.0 0.00036839275000000003 0.2304 AML other m 2021-12-14T19:40:11.43
IV.CSP1.EHN. ML:2.6 0.0012165 1.7 AML other m 2021-12-14T19:40:11.05
IV.GUMA.HHN. ML:2.5 0.0010726476000000001 0.4352 AML other m 2021-12-14T19:40:11.94
IV.SAP2.EHN. ML:3.1 0.003458821 0.32 AML other m 2021-12-14T19:40:13.15
IV.MOMA.HNN. ML:2.1 0.00035098175 0.192 AML other m 2021-12-14T19:40:15.34
IV.MOMA.HHN. ML:2.2 0.00036067974999999996 0.1792 AML other m 2021-12-14T19:40:14.64
IV.MOMA.HNE. ML:2.3 0.000458703 0.1664 AML other m 2021-12-14T19:40:15.72
IV.MOMA.HHE. ML:2.3 0.00046499999999999997 0.18 AML other m 2021-12-14T19:40:15.72
IV.ASSB.HHE. ML:2.2 0.000368 0.3 AML other m 2021-12-14T19:40:15.67
IV.SAP2.EHE. ML:2.3 0.000576 0.22 AML other m 2021-12-14T19:40:16.22
IV.ASSB.HHN. ML:2.2 0.00037710655 0.2432 AML other m 2021-12-14T19:40:16.92
IV.CESX.HHE. ML:1.7 0.00013289169 0.2048 AML other m 2021-12-14T19:40:14.80
IV.SNTG.HHN. ML:1.8 0.00011999999999999999 0.18 AML other m 2021-12-14T19:40:18.20
IV.SNTG.HHE. ML:1.8 0.00011859307999999999 0.1664 AML other m 2021-12-14T19:40:18.76
IV.VCEL.EHE. ML:2.3 0.00035288750000000003 0.1536 AML other m 2021-12-14T19:40:19.60
IV.FAGN.HHE. ML:2.3 0.0004185 0.34 AML other m 2021-12-14T19:40:18.69
IV.FAGN.HHN. ML:2.2 0.00035760720000000003 0.2688 AML other m 2021-12-14T19:40:18.57
IV.EL6.EHN. ML:2.1 0.00022985815 0.3584 AML other m 2021-12-14T19:40:21.38
IV.FOSV.EHE. ML:1.8 0.00010284999999999999 0.26 AML other m 2021-12-14T19:40:19.94
IV.ATCC.EHN. ML:2.1 0.0002180008 0.2176 AML other m 2021-12-14T19:40:20.17
IV.ATCC.EHE. ML:2.2 0.0002926943 0.2432 AML other m 2021-12-14T19:40:20.13
IV.EL6.EHE. ML:2.0 0.000192428 0.2048 AML other m 2021-12-14T19:40:21.24
IV.T0110.HHN. ML:2.3 0.0002945 0.3 AML other m 2021-12-14T19:40:20.63
IV.CING.HHN. ML:1.7 0.00008205 1.3 AML other m 2021-12-14T19:40:20.87
IV.FOSV.EHN. ML:2.0 0.00016163455 0.5248 AML other m 2021-12-14T19:40:21.98
IV.VCEL.EHN. ML:2.3 0.0003417195 0.1536 AML other m 2021-12-14T19:40:18.84
IV.CING.HHE. ML:1.8 0.00009387885 0.1664 AML other m 2021-12-14T19:40:22.03
IV.SRES.HHN. ML:1.7 0.0000785 0.32 AML other m 2021-12-14T19:40:22.29
IV.SRES.HHE. ML:1.8 0.0000964 0.2 AML other m 2021-12-14T19:40:22.95
IV.SSFR.HHN. ML:2.1 0.0001695 0.22 AML other m 2021-12-14T19:40:24.53
IV.SSFR.HNE. ML:2.3 0.00024489815 0.2304 AML other m 2021-12-14T19:40:25.29
IV.T0110.HHE. ML:2.3 0.00032525415 0.4352 AML other m 2021-12-14T19:40:22.08
IV.SSFR.HHE. ML:2.3 0.00022950000000000002 0.26 AML other m 2021-12-14T19:40:25.41
IV.SSFR.HNN. ML:2.3 0.00023333135 0.2304 AML other m 2021-12-14T19:40:27.83
IV.FRON.EHN. ML:1.9 0.00007668156500000001 0.3456 AML other m 2021-12-14T19:40:29.40
IV.MGAB.HHN. ML:2.0 0.00011248430000000001 0.256 AML other m 2021-12-14T19:40:29.25
IV.MPAG.EHE. ML:1.9 0.00007615 0.32 AML other m 2021-12-14T19:40:30.65
IV.MPAG.EHN. ML:1.8 0.00005070392 0.2688 AML other m 2021-12-14T19:40:30.66
IV.CAFI.HHE. ML:1.9 0.0000564 0.44 AML other m 2021-12-14T19:40:35.36
IV.TERO.HHE. ML:2.0 0.000420407 0.1408 AML other m 2021-12-14T19:40:08.88
IV.TERO.HHN. ML:2.3 0.00079396455 0.1024 AML other m 2021-12-14T19:40:08.63
IV.SNTG.HNE. ML:1.9 0.0001434353 0.2304 AML other m 2021-12-14T19:40:17.96
IV.SNTG.HNN. ML:1.8 0.00013439345 0.2304 AML other m 2021-12-14T19:40:20.54
IV.ATCC.HNN. ML:2.2 0.00024359835000000002 0.2816 AML other m 2021-12-14T19:40:18.58
IV.ATCC.HNE. ML:2.4 0.0003836115 0.2816 AML other m 2021-12-14T19:40:20.13
IV.FOSV.HNN. ML:2.0 0.00016748055000000001 0.5248 AML other m 2021-12-14T19:40:21.98
IV.FOSV.HNE. ML:1.9 0.0001135352 0.2944 AML other m 2021-12-14T19:40:19.95
IV.CING.HNE. ML:3.6 0.006270305 0.8576 AML other m 2021-12-14T19:40:19.51
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