Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 06-08-2022 and time 21:22:08 (Italy) in region 3 km SW Accumoli (RI)

A magnitude ML 1.6 earthquake occured in region: 3 km SW Accumoli (RI), on

  • 06-08-2022 19:22:08 (UTC)
  • 06-08-2022 21:22:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6820, 13.2220 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 8 2657 3324
Cittareale RI 9 482 3806
Arquata del Tronto AP 12 1178 4984
Norcia PG 16 4957 9941
Cascia PG 18 3217 13158
Montereale AQ 18 2581 15739
Acquasanta Terme AP 18 2916 18655
Campotosto AQ 18 542 19197
Capitignano AQ 19 665 19862

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km NW of L'Aquila (69753 inhabitants)
40 Km W of Teramo (54892 inhabitants)
49 Km E of Terni (111501 inhabitants)
52 Km SE of Foligno (57155 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
83 Km SE of Perugia (166134 inhabitants)
85 Km W of Pescara (121014 inhabitants)
86 Km W of Chieti (51815 inhabitants)
86 Km NE of Guidonia Montecelio (88673 inhabitants)
87 Km NE of Tivoli (56533 inhabitants)
96 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 1.6 2022-08-06
19:22:08		 42.6823 13.2225 10 2023-01-31
19:03:32		 Bollettino Sismico Italiano INGV 108527891
Reviewed
Rev100 		ML 1.6 2022-08-06
19:22:08		 42.6877 13.2152 12 2022-08-06
19:41:39		 Sala Sismica INGV-Roma 108205931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-06 19:22:08 ± 0.06
Latitude 42.6823 ± 0.0027
Longitude 13.2225 ± 0.0049
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 108527891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 364
Semi-minor axis of confidence ellipse (meter) 281
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 85
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 51
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 42
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) 0.14749
Epicentral distance of station farthest from the epicenter (degree) 0.84087
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 37
Type of magnitude ML
Reference to an origin 108205931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-06 19:41:39

ML:1.6

Field Value
Value 1.6
Uncertainty 0.4
Num. used stations 48
Type of magnitude ML
Reference to an origin 108527891
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-01-16 15:34:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2022-08-06T19:22:33.42 0.6 undecidable manual S 358 76.9674 50 1.24 29
IV.EL6.EHZ. 2022-08-06T19:22:32.06 0.6 undecidable manual S 352 72.4719 50 1.08 32
IV.MOMA.HHZ. 2022-08-06T19:22:26.66 0.6 undecidable manual S 284 54.8007 50 0.38 44
IV.ARVD.HHZ. 2022-08-06T19:22:25.48 0.3 undecidable manual P 346 93.3399 50 0.6 57
IV.FIAM.HHZ. 2022-08-06T19:22:24.12 0.6 undecidable manual S 191 46.7199 50 -0.01 48
IV.CESI.HHZ. 2022-08-06T19:22:23.24 0.6 undecidable manual S 324 44.1225 50 -0.19 46
IV.MF5.EHZ. 2022-08-06T19:22:23.00 0.6 undecidable manual S 30 39.0276 50 0.95 36
IV.CING.HHZ. 2022-08-06T19:22:22.40 0.3 undecidable manual P 358 76.9674 50 0.04 67
IV.FDMO.HHZ. 2022-08-06T19:22:22.25 0.6 undecidable manual S 344 40.8258 50 -0.28 46
IV.ARRO.EHZ. 2022-08-06T19:22:21.66 0.6 undecidable manual S 253 39.0276 50 -0.4 45
IV.GIGS.HHZ. 2022-08-06T19:22:21.68 0.3 undecidable manual S 131 38.2284 50 -0.18 70
IV.EL6.EHZ. 2022-08-06T19:22:21.55 0.3 undecidable manual P 352 72.4719 50 -0.12 67
IV.MOMA.HHZ. 2022-08-06T19:22:19.16 0.3 undecidable manual P 284 54.8007 50 0.2 68
IV.TERO.HHZ. 2022-08-06T19:22:19.64 0.3 undecidable manual S 102 31.8459 50 -0.5 66
IV.MMO1.HNZ. 2022-08-06T19:22:18.16 0.6 undecidable manual S 19 25.5522 111 -0.29 47
IV.CESX.HHZ. 2022-08-06T19:22:18.78 0.3 undecidable manual P 261 52.503 50 0.19 68
IV.GAVE.EHZ. 2022-08-06T19:22:18.23 0.6 undecidable manual S 272 26.751 50 -0.57 43
IV.MC2.EHZ. 2022-08-06T19:22:18.48 0.3 undecidable manual S 354 25.5522 111 0.02 74
7F.SIB2.EHZ. 2022-08-06T19:22:17.65 0.6 undecidable manual S 16 24.0537 112 -0.33 46
IV.CESI.HHZ. 2022-08-06T19:22:17.13 0.3 undecidable manual P 324 44.1225 50 -0.17 70
7F.SIB1.EHZ. 2022-08-06T19:22:17.91 0.6 undecidable manual S 9 23.8539 113 -0.01 50
IV.FIAM.HHZ. 2022-08-06T19:22:17.58 0.1 undecidable manual P 191 46.7199 50 -0.13 93
IV.MF5.EHZ. 2022-08-06T19:22:16.80 0.1 undecidable manual P 30 39.0276 50 0.29 91
IV.ARRO.EHZ. 2022-08-06T19:22:16.26 0.1 undecidable manual P 253 39.0276 50 -0.25 92
IV.NRCA.HNZ. 2022-08-06T19:22:16.08 0.6 undecidable manual S 332 18.9699 118 -0.29 47
IV.GIGS.HHZ. 2022-08-06T19:22:16.48 0.3 undecidable manual P 131 38.2284 50 0.08 72
IV.RM33.EHZ. 2022-08-06T19:22:16.72 0.6 undecidable manual S 182 19.2696 117 0.26 48
7F.SIB3.EHZ. 2022-08-06T19:22:16.99 0.6 undecidable manual S 10 21.7671 115 -0.24 48
IV.LNSS.HHZ. 2022-08-06T19:22:16.06 0.6 undecidable manual S 239 17.2716 120 0.2 48
IV.FDMO.HHZ. 2022-08-06T19:22:16.51 0.1 undecidable manual P 344 40.8258 50 -0.28 91
IV.MTRA.EHZ. 2022-08-06T19:22:15.68 0.6 undecidable manual S 60 16.3725 121 0.08 50
IV.TERO.HHZ. 2022-08-06T19:22:15.26 0.3 undecidable manual P 102 31.8459 50 -0.14 72
IV.GAVE.EHZ. 2022-08-06T19:22:14.47 0.1 undecidable manual P 272 26.751 50 -0.16 96
7F.SIB1.EHZ. 2022-08-06T19:22:14.13 0.1 undecidable manual P 9 23.8539 113 0.01 99
IV.MC2.EHZ. 2022-08-06T19:22:14.34 0.1 undecidable manual P 354 25.5522 111 -0.09 98
7F.SIB2.EHZ. 2022-08-06T19:22:14.00 0.1 undecidable manual P 16 24.0537 112 -0.16 96
IV.MMO1.HNZ. 2022-08-06T19:22:14.25 0.3 undecidable manual P 19 25.5522 111 -0.18 72
IV.MTRA.EHZ. 2022-08-06T19:22:13.03 0.1 positive manual P 60 16.3725 121 0.25 96
IV.RM33.EHZ. 2022-08-06T19:22:13.55 0.1 positive manual P 182 19.2696 117 0.27 95
7F.SIB3.EHZ. 2022-08-06T19:22:13.64 0.1 undecidable manual P 10 21.7671 115 -0.09 98
IV.LNSS.HHZ. 2022-08-06T19:22:13.18 0.1 positive manual P 239 17.2716 120 0.25 96
IV.NRCA.HNZ. 2022-08-06T19:22:13.25 0.1 undecidable manual P 332 18.9699 118 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNN. ML:1.7 0.0004652552 0.2048 AML other m 2022-08-06T19:22:15.73
IV.MTRA.EHN. ML:1.7 0.00048570305 0.2048 AML other m 2022-08-06T19:22:15.73
IV.LNSS.HHE. ML:2.0 0.0008065 0.26 AML other m 2022-08-06T19:22:16.30
IV.LNSS.HNE. ML:2.0 0.0007966078999999999 0.256 AML other m 2022-08-06T19:22:16.17
IV.NRCA.HNE. ML:2.3 0.001654704 0.1408 AML other m 2022-08-06T19:22:16.27
IV.NRCA.HNN. ML:2.2 0.001335 0.14 AML other m 2022-08-06T19:22:16.27
IV.NRCA.HHE. ML:2.5 0.0024 0.16 AML other m 2022-08-06T19:22:16.27
IV.NRCA.HHN. ML:2.2 0.00128415 0.1024 AML other m 2022-08-06T19:22:16.28
IV.MTRA.HNE. ML:1.8 0.00051467045 0.192 AML other m 2022-08-06T19:22:16.37
IV.MTRA.EHE. ML:1.8 0.00053 0.2 AML other m 2022-08-06T19:22:16.38
IV.LNSS.HHN. ML:2.0 0.0008895 0.24 AML other m 2022-08-06T19:22:16.46
IV.LNSS.HNN. ML:1.9 0.0006482438999999999 0.1536 AML other m 2022-08-06T19:22:16.47
IV.RM33.HNN. ML:1.7 0.000419 0.24 AML other m 2022-08-06T19:22:16.85
IV.RM33.EHN. ML:1.7 0.0003985 0.24 AML other m 2022-08-06T19:22:16.97
IV.RM33.HNE. ML:1.7 0.00038858435 0.1792 AML other m 2022-08-06T19:22:17.50
IV.RM33.EHE. ML:1.7 0.0003745 0.18 AML other m 2022-08-06T19:22:17.50
IV.GAVE.HNN. ML:1.5 0.0001638163 0.8704 AML other m 2022-08-06T19:22:18.79
IV.GAVE.EHN. ML:1.9 0.000409 0.16 AML other m 2022-08-06T19:22:18.80
IV.GAVE.HNE. ML:1.9 0.00047446220000000005 0.1408 AML other m 2022-08-06T19:22:19.10
IV.GAVE.EHE. ML:1.9 0.000441 0.12 AML other m 2022-08-06T19:22:19.11
IV.CESI.HNN. ML:1.5 0.00009587164600000001 0.7424 AML other m 2022-08-06T19:22:19.27
IV.FIAM.HNE. ML:1.6 0.000121868765 1.1168 AML other m 2022-08-06T19:22:20.02
IV.MC2.EHE. ML:1.9 0.0005474798999999999 0.384 AML other m 2022-08-06T19:22:20.44
IV.TERO.HNN. ML:1.5 0.000143597625 0.1536 AML other m 2022-08-06T19:22:20.94
IV.TERO.HHN. ML:1.5 0.00012777154 0.1408 AML other m 2022-08-06T19:22:20.93
IV.TERO.HHE. ML:1.4 0.00012518008 0.1664 AML other m 2022-08-06T19:22:20.93
IV.MC2.EHN. ML:1.9 0.000421 0.24 AML other m 2022-08-06T19:22:21.42
IV.TERO.HNE. ML:1.3 0.000088901885 0.0768 AML other m 2022-08-06T19:22:22.02
IV.ARRO.EHN. ML:1.3 0.0000748 0.18 AML other m 2022-08-06T19:22:22.87
IV.CESI.HNE. ML:1.3 0.00006706702 1.0496 AML other m 2022-08-06T19:22:23.95
IV.GIGS.HHE. ML:0.7 0.000017599999999999998 0.08 AML other m 2022-08-06T19:22:23.49
IV.GIGS.HHN. ML:0.6 0.0000153765 0.0768 AML other m 2022-08-06T19:22:23.64
IV.CESI.HHN. ML:1.3 0.000059656485 0.1792 AML other m 2022-08-06T19:22:24.11
IV.ARRO.EHE. ML:1.3 0.00007159999999999999 1.14 AML other m 2022-08-06T19:22:24.09
IV.FIAM.HHN. ML:1.2 0.000051417365000000004 0.1792 AML other m 2022-08-06T19:22:24.60
IV.CESI.HHE. ML:1.1 0.00004016663 0.2048 AML other m 2022-08-06T19:22:24.65
IV.FDMO.HHN. ML:1.2 0.000047532980000000006 0.2176 AML other m 2022-08-06T19:22:25.04
IV.FDMO.HHE. ML:1.2 0.000048899999999999996 0.08 AML other m 2022-08-06T19:22:25.43
IV.FIAM.HHE. ML:1.1 0.00003398383 0.256 AML other m 2022-08-06T19:22:25.61
IV.FIAM.HNN. ML:1.8 0.000162667805 0.8576 AML other m 2022-08-06T19:22:26.19
IV.CESX.HHE. ML:1.2 0.000034 0.3 AML other m 2022-08-06T19:22:28.42
IV.CESX.HHN. ML:1.1 0.000028650000000000002 0.2 AML other m 2022-08-06T19:22:28.43
IV.EL6.EHE. ML:1.4 0.000045121341 0.1664 AML other m 2022-08-06T19:22:34.13
IV.CING.HHE. ML:1.3 0.000029949999999999996 0.8 AML other m 2022-08-06T19:22:34.42
IV.CING.HNE. ML:3.5 0.0045581085 1.5488 AML other m 2022-08-06T19:22:34.94
IV.EL6.EHN. ML:1.4 0.000044156926 0.3584 AML other m 2022-08-06T19:22:35.47
IV.CING.HHN. ML:1.2 0.0000234 0.34 AML other m 2022-08-06T19:22:35.77
IV.CING.HNN. ML:3.6 0.0063627265 0.9984 AML other m 2022-08-06T19:22:38.85
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