Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 08-08-2018 and time 06:11:07 (Italy) in region 9 km W Accumoli (RI)

A magnitude ML 2.2 earthquake occured in region: 9 km W Accumoli (RI), on

  • 08-08-2018 04:11:07 (UTC)
  • 08-08-2018 06:11:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7130, 13.1390 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 9 667 667
Norcia PG 10 4957 5624
Cascia PG 10 3217 8841
Cittareale RI 11 482 9323
Arquata del Tronto AP 15 1178 10501
Amatrice RI 15 2657 13158
Poggiodomo PG 17 117 13275
Monteleone di Spoleto PG 17 599 13874

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Terni (111501 inhabitants)
45 Km SE of Foligno (57155 inhabitants)
45 Km NW of L'Aquila (69753 inhabitants)
47 Km W of Teramo (54892 inhabitants)
75 Km SE of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
86 Km NE of Guidonia Montecelio (88673 inhabitants)
88 Km NE of Tivoli (56533 inhabitants)
91 Km E of Viterbo (67173 inhabitants)
92 Km W of Pescara (121014 inhabitants)
93 Km W of Chieti (51815 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
Reviewed
Rev100 		ML 2.2 2018-08-08
04:11:07		 42.7127 13.1393 10 2018-08-08
04:29:25		 Sala Sismica INGV-Roma 59500301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-08-08 04:11:07 ± 0.05
Latitude 42.7127 ± 0.0027
Longitude 13.1393 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 59500301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 361
Semi-minor axis of confidence ellipse (meter) 126
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 67
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) 54
Number of associated phases, regardless of their use for origin computation 78
Number of defining phases 70
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.98566
Number of stations at which the event was observed 44
Number of stations from which data was used for origin computation 37
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 34
Type of magnitude ML
Reference to an origin 59500301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-08-08 04:29:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RIBO.EHZ.01 2018-08-08T04:11:58.82 3.0 undecidable manual Sg 4.4 0
TV.SF04.EHZ. 2018-08-08T04:11:41.46 3.0 undecidable manual S -1.67 0
IV.LPEL.HHZ. 2018-08-08T04:11:41.91 3.0 undecidable manual S 0.54 0
IV.ATPI.EHZ. 2018-08-08T04:11:37.80 0.1 undecidable manual S 324 101.3208 50 0.37 79
IV.ATVO.HHZ. 2018-08-08T04:11:36.25 0.1 undecidable manual S 322 95.1381 50 0.49 78
IV.ARVD.HHZ. 2018-08-08T04:11:34.68 0.1 undecidable manual S 350 88.6446 50 0.66 74
IV.SSFR.HHZ. 2018-08-08T04:11:33.72 0.1 undecidable manual S 340 85.3479 50 0.57 78
IV.MURB.HHZ. 2018-08-08T04:11:32.15 0.1 undecidable manual S 321 78.8655 50 0.73 74
IV.CING.HHZ. 2018-08-08T04:11:30.55 0.1 undecidable manual S 4 73.6707 50 0.51 81
IV.EL6.EHZ. 2018-08-08T04:11:29.24 0.1 undecidable manual S 357 68.4759 50 0.58 80
IV.ATCC.EHZ. 2018-08-08T04:11:28.60 0.1 undecidable manual S 322 66.2781 50 0.53 82
IV.CAFI.HHZ. 2018-08-08T04:11:28.29 3.0 undecidable manual P 1.39 0
IV.VCEL.EHZ. 2018-08-08T04:11:28.62 0.1 undecidable manual S 121 67.2771 50 0.28 86
IV.LPEL.HHZ. 2018-08-08T04:11:26.22 3.0 undecidable manual P -0.2 0
IV.NARO.HHZ. 2018-08-08T04:11:26.05 0.1 undecidable manual P 336 109.4127 50 -0.09 83
IV.FAGN.HHZ. 2018-08-08T04:11:26.83 0.1 undecidable manual S 144 61.494 50 0.05 92
IV.SNTG.HHZ. 2018-08-08T04:11:26.91 0.1 undecidable manual S 345 62.2932 50 -0.09 91
IV.ATPI.EHZ. 2018-08-08T04:11:25.17 0.1 undecidable manual P 324 101.3208 50 0.28 81
IV.PIEI.HHZ. 2018-08-08T04:11:25.04 0.1 undecidable manual P 332 103.6185 50 -0.2 82
IV.INTR.HHZ. 2018-08-08T04:11:24.29 3.0 negative manual P -0.5 0
IV.ATVO.HHZ. 2018-08-08T04:11:24.24 0.1 undecidable manual P 322 95.1381 50 0.31 81
IV.FIAM.HHZ. 2018-08-08T04:11:23.39 0.1 undecidable manual S 182 49.3173 50 -0.16 92
IV.ARVD.HHZ. 2018-08-08T04:11:23.15 0.1 undecidable manual P 350 88.6446 50 0.22 84
IV.SEF1.HNE. 2018-08-08T04:11:23.76 0.3 undecidable manual S 342 50.616 50 -0.13 69
IV.CERT.HHZ. 2018-08-08T04:11:22.37 3.0 positive manual P -0.34 0
IV.CESX.HHZ. 2018-08-08T04:11:22.72 0.1 undecidable manual S 256 46.5201 50 -0.08 94
IV.PF6.EHN. 2018-08-08T04:11:22.77 0.1 undecidable manual S 5 47.4192 50 -0.25 90
IV.GUMA.HHZ. 2018-08-08T04:11:22.02 0.1 undecidable manual S 22 41.9247 50 0.44 88
IV.SSFR.HHZ. 2018-08-08T04:11:22.33 0.1 undecidable manual P 340 85.3479 50 -0.1 87
IV.MML1.EHN. 2018-08-08T04:11:22.68 0.1 undecidable manual S 343 46.5201 50 -0.11 93
IV.GIGS.HHZ. 2018-08-08T04:11:22.48 0.1 undecidable manual S 129 45.621 50 -0.07 94
IV.ATTE.HHZ. 2018-08-08T04:11:22.64 0.1 undecidable manual P 310 83.4498 50 0.5 80
IV.CSP1.EHZ. 2018-08-08T04:11:21.63 0.1 undecidable manual S 7 42.4242 50 -0.06 95
IV.MF5.EHZ. 2018-08-08T04:11:21.85 0.1 undecidable manual S 40 40.1265 50 0.76 78
IV.MURB.HHZ. 2018-08-08T04:11:21.39 0.1 undecidable manual P 321 78.8655 50 -0.04 89
IV.T0110.HHZ. 2018-08-08T04:11:20.71 0.1 undecidable manual P 136 74.7696 50 -0.09 89
IV.TRTR.HHZ. 2018-08-08T04:11:20.37 3.0 undecidable manual P 1.16 0
IV.CESI.HHZ. 2018-08-08T04:11:20.20 0.1 undecidable manual S 330 37.629 50 -0.22 92
IV.TERO.HHZ. 2018-08-08T04:11:20.62 0.1 undecidable manual S 105 39.1275 50 -0.21 92
IV.CING.HHZ. 2018-08-08T04:11:20.39 0.1 undecidable manual P 4 73.6707 50 -0.24 86
IV.VCEL.EHZ. 2018-08-08T04:11:19.88 0.1 undecidable manual P 121 67.2771 50 0.23 87
IV.FDMO.HHZ. 2018-08-08T04:11:19.60 0.1 undecidable manual S 353 36.1416 50 -0.43 89
IV.ATCC.EHZ. 2018-08-08T04:11:19.35 0.1 undecidable manual P 322 66.2781 50 -0.14 89
IV.EL6.EHZ. 2018-08-08T04:11:19.55 0.1 positive manual P 357 68.4759 50 -0.28 86
IV.FAGN.HHZ. 2018-08-08T04:11:18.52 0.1 undecidable manual P 144 61.494 50 -0.23 88
IV.CAMP.HHZ. 2018-08-08T04:11:18.30 0.1 undecidable manual S 132 29.4483 50 0.06 97
IV.SNTG.HHZ. 2018-08-08T04:11:18.53 0.1 undecidable manual P 345 62.2932 50 -0.35 86
IV.FEMA.HNE. 2018-08-08T04:11:17.64 0.1 undecidable manual S 345 28.6491 50 -0.38 91
IV.MMO1.EHZ. 2018-08-08T04:11:17.04 0.1 undecidable manual S 36 25.752 50 -0.2 95
IV.MML1.EHN. 2018-08-08T04:11:16.06 0.1 undecidable manual P 343 46.5201 50 -0.38 88
IV.GIGS.HHZ. 2018-08-08T04:11:16.02 0.1 undecidable manual P 129 45.621 50 -0.29 90
IV.SEF1.HNE. 2018-08-08T04:11:16.64 0.3 undecidable manual P 342 50.616 50 -0.44 65
IV.MC2.EHZ. 2018-08-08T04:11:16.31 0.1 undecidable manual S 10 22.4553 115 -0.05 98
IV.CESX.HHZ. 2018-08-08T04:11:16.06 0.1 undecidable manual P 256 46.5201 50 -0.39 88
IV.PF6.EHN. 2018-08-08T04:11:16.18 0.1 undecidable manual P 5 47.4192 50 -0.4 87
IV.RM33.EHZ. 2018-08-08T04:11:16.55 0.1 undecidable manual S 165 23.3544 50 -0.07 98
IV.FIAM.HHZ. 2018-08-08T04:11:16.65 0.1 positive manual P 182 49.3173 50 -0.23 90
IV.GUMA.HHZ. 2018-08-08T04:11:15.84 0.1 positive manual P 22 41.9247 50 0.1 94
IV.MTRA.EHZ. 2018-08-08T04:11:15.82 0.1 undecidable manual S 77 21.5673 116 -0.25 95
IV.TERO.HHZ. 2018-08-08T04:11:15.14 0.1 negative manual P 105 39.1275 50 -0.17 93
IV.CSP1.EHZ. 2018-08-08T04:11:15.51 0.1 positive manual P 7 42.4242 50 -0.3 90
IV.MF5.EHZ. 2018-08-08T04:11:15.63 0.1 undecidable manual P 40 40.1265 50 0.17 93
IV.SMA1.EHZ. 2018-08-08T04:11:15.50 0.1 undecidable manual S 120 18.3705 120 0.39 92
IV.CESI.HHZ. 2018-08-08T04:11:14.82 0.1 negative manual P 330 37.629 50 -0.25 92
IV.LNSS.HHZ. 2018-08-08T04:11:14.23 0.1 undecidable manual S 214 14.5743 126 0.23 96
IV.FDMO.HHZ. 2018-08-08T04:11:14.48 0.1 positive manual P 353 36.1416 50 -0.37 90
IV.T1299.EHE. 2018-08-08T04:11:14.39 0.1 undecidable manual S 127 14.5743 126 0.41 92
IV.MMO1.EHZ. 2018-08-08T04:11:13.04 0.1 positive manual P 36 25.752 50 -0.2 95
IV.NRCA.HNZ. 2018-08-08T04:11:13.36 0.1 undecidable manual S 351 13.5753 128 -0.35 94
IV.CAMP.HHZ. 2018-08-08T04:11:13.73 0.1 negative manual P 132 29.4483 50 -0.09 96
IV.FEMA.HNE. 2018-08-08T04:11:13.38 0.1 undecidable manual P 345 28.6491 50 -0.31 92
IV.RM33.EHZ. 2018-08-08T04:11:12.82 0.1 positive manual P 165 23.3544 50 -0.06 98
IV.SMA1.EHZ. 2018-08-08T04:11:12.25 0.1 undecidable manual P 120 18.3705 120 0.24 95
IV.MTRA.EHZ. 2018-08-08T04:11:12.47 0.1 positive manual P 77 21.5673 116 -0.09 98
IV.MC2.EHZ. 2018-08-08T04:11:12.60 0.1 positive manual P 10 22.4553 115 -0.13 97
IV.LNSS.HHZ. 2018-08-08T04:11:11.57 0.1 positive manual P 214 14.5743 126 0.2 97
IV.T1299.EHE. 2018-08-08T04:11:11.71 0.1 undecidable manual P 127 14.5743 126 0.35 94
IV.NRCA.HNZ. 2018-08-08T04:11:11.16 0.1 positive manual P 351 13.5753 128 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:2.2 0.001183742 0.16 AML other m 2018-08-08T04:11:16.44
IV.MTRA.HNE. ML:2.4 0.001713438 0.3488 AML other m 2018-08-08T04:11:17.11
IV.MTRA.HNN. ML:2.5 0.0021391395 0.3008 AML other m 2018-08-08T04:11:16.65
IV.MTRA.EHE. ML:2.4 0.00176299 0.3392 AML other m 2018-08-08T04:11:17.12
IV.MTRA.EHN. ML:2.5 0.001990352 0.3008 AML other m 2018-08-08T04:11:16.65
IV.RM33.EHN. ML:2.2 0.00090951585 0.16 AML other m 2018-08-08T04:11:19.05
IV.RM33.HNN. ML:2.2 0.0009275066 0.2304 AML other m 2018-08-08T04:11:18.02
IV.RM33.EHE. ML:2.4 0.0014692734999999998 0.2016 AML other m 2018-08-08T04:11:18.28
IV.RM33.HNE. ML:2.4 0.001478157 0.1888 AML other m 2018-08-08T04:11:18.28
IV.FDMO.HHE. ML:2.1 0.0005438575 0.1984 AML other m 2018-08-08T04:11:21.13
IV.FDMO.HHN. ML:2.3 0.0007797974000000001 0.2016 AML other m 2018-08-08T04:11:20.60
IV.CESI.HHE. ML:2.2 0.0006488896499999999 0.1792 AML other m 2018-08-08T04:11:20.57
IV.CESI.HHN. ML:2.4 0.00098417595 0.1792 AML other m 2018-08-08T04:11:20.73
IV.TERO.HNN. ML:1.9 0.00029553260000000003 0.1312 AML other m 2018-08-08T04:11:21.24
IV.TERO.HNE. ML:1.9 0.00026647814999999995 0.2912 AML other m 2018-08-08T04:11:21.59
IV.TERO.HHN. ML:2.3 0.0006667798499999999 0.0992 AML other m 2018-08-08T04:11:21.24
IV.TERO.HHE. ML:2.2 0.0006328973 0.1792 AML other m 2018-08-08T04:11:21.56
IV.MF5.EHE. ML:2.0 0.00037979509999999997 0.2208 AML other m 2018-08-08T04:11:23.59
IV.FIAM.HHE. ML:2.2 0.0003888939 0.3008 AML other m 2018-08-08T04:11:24.99
IV.FIAM.HHN. ML:2.0 0.00024872539999999996 0.1792 AML other m 2018-08-08T04:11:24.92
IV.ATCC.EHE. ML:2.0 0.00019386255000000002 0.2624 AML other m 2018-08-08T04:11:29.44
IV.ATCC.EHN. ML:2.1 0.00021584975 0.24 AML other m 2018-08-08T04:11:29.94
IV.EL6.EHE. ML:2.3 0.00037686474999999996 0.16 AML other m 2018-08-08T04:11:30.76
IV.VCEL.EHN. ML:2.2 0.0002924550500000001 0.16 AML other m 2018-08-08T04:11:31.42
IV.CING.HHN. ML:2.0 0.00017482095 0.1184 AML other m 2018-08-08T04:11:32.27
IV.T0110.HHE. ML:2.0 0.0001481886 0.3392 AML other m 2018-08-08T04:11:34.66
IV.T0110.HHN. ML:2.1 0.00018634809999999998 0.3584 AML other m 2018-08-08T04:11:33.85
IV.MURB.HNE. ML:2.3 0.0002959649 0.24 AML other m 2018-08-08T04:11:33.61
IV.MURB.HNN. ML:2.5 0.0004462768 0.2816 AML other m 2018-08-08T04:11:35.32
IV.MURB.HHE. ML:2.4 0.00033709584999999995 0.2368 AML other m 2018-08-08T04:11:35.48
IV.MURB.HHN. ML:2.5 0.0004463779 0.2784 AML other m 2018-08-08T04:11:35.31
IV.SSFR.HNN. ML:2.3 0.00023887104999999997 0.2496 AML other m 2018-08-08T04:11:35.79
IV.SSFR.HHN. ML:2.3 0.000257375 0.2592 AML other m 2018-08-08T04:11:35.68
IV.SSFR.HNE. ML:2.3 0.00023425955 0.16 AML other m 2018-08-08T04:11:36.64
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