Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 24-11-2018 and time 17:42:14 (Italy) in region 3 km NW Accumoli (RI)

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

  • 24-11-2018 16:42:14 (UTC)
  • 24-11-2018 17:42:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7210, 13.2260 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
Arquata del Tronto AP 8 1178 1845
Amatrice RI 11 2657 4502
Cittareale RI 13 482 4984
Norcia PG 13 4957 9941
Acquasanta Terme AP 16 2916 12857
Montegallo AP 16 523 13380
Cascia PG 17 3217 16597

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km W of Teramo (54892 inhabitants)
43 Km NW of L'Aquila (69753 inhabitants)
50 Km SE of Foligno (57155 inhabitants)
51 Km E of Terni (111501 inhabitants)
79 Km W of Montesilvano (53738 inhabitants)
81 Km SE of Perugia (166134 inhabitants)
86 Km W of Pescara (121014 inhabitants)
88 Km W of Chieti (51815 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
91 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 1.6 2018-11-24
16:42:14		 42.721 13.2255 11 2019-06-04
09:16:08		 Bollettino Sismico Italiano INGV 65243961
Reviewed
Rev100 		ML 1.6 2018-11-24
16:42:14		 42.7217 13.2297 11 2018-11-24
16:58:44		 Sala Sismica INGV-Roma 63330771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-11-24 16:42:14 ± 0.06
Latitude 42.7210 ± 0.0027
Longitude 13.2255 ± 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 65243961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 409
Semi-minor axis of confidence ellipse (meter) 72
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 66
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) 41
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 45
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.09623
Epicentral distance of station farthest from the epicenter (degree) 0.74554
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 34
Type of magnitude ML
Reference to an origin 65243961
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-02-05 09:37:18

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 47
Type of magnitude ML
Reference to an origin 63330771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-11-24 16:58:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T0110.HHZ. 2018-11-24T16:42:36.10 0.3 undecidable manual S 140 70.7736 50 0.52 61
IV.EL6.EHZ. 2018-11-24T16:42:35.82 0.1 undecidable manual S 352 68.1762 50 0.91 70
IV.VCEL.EHZ. 2018-11-24T16:42:34.13 0.1 undecidable manual S 126 61.9935 50 0.89 71
IV.MOMA.HHZ. 2018-11-24T16:42:31.64 0.1 undecidable manual S 280 54.2013 50 0.48 85
IV.FIAM.HHZ. 2018-11-24T16:42:30.12 0.1 undecidable manual S 190 51.0156 50 -0.2 91
IV.PF6.EHE. 2018-11-24T16:42:29.36 0.1 undecidable manual S 357 46.3203 50 0.3 90
IV.MURB.HHZ. 2018-11-24T16:42:28.11 0.3 undecidable manual P 317 82.7505 50 -0.25 63
IV.GIGS.HHZ. 2018-11-24T16:42:27.21 0.1 undecidable manual S 136 41.1255 50 -0.45 87
IV.CESI.HHZ. 2018-11-24T16:42:27.38 0.1 undecidable manual S 320 40.9257 50 -0.24 92
IV.FDMO.HHZ. 2018-11-24T16:42:26.14 0.1 undecidable manual S 342 36.741 50 -0.37 90
IV.MF5.EHZ. 2018-11-24T16:42:26.82 0.1 undecidable manual S 33 35.2425 50 0.73 80
IV.T0110.HHZ. 2018-11-24T16:42:26.34 0.1 undecidable manual P 140 70.7736 50 -0.17 88
IV.EL6.EHZ. 2018-11-24T16:42:26.45 0.1 undecidable manual P 352 68.1762 50 0.33 85
IV.VCEL.EHZ. 2018-11-24T16:42:25.51 0.1 undecidable manual P 126 61.9935 50 0.36 86
IV.MOMA.HHZ. 2018-11-24T16:42:24.17 0.1 undecidable manual P 280 54.2013 50 0.22 90
IV.FEMA.HNN. 2018-11-24T16:42:24.61 0.3 undecidable manual S 332 30.3474 50 -0.19 71
IV.TERO.HHZ. 2018-11-24T16:42:24.90 0.1 undecidable manual S 109 32.745 50 -0.54 87
IV.CAMP.HHZ. 2018-11-24T16:42:23.13 0.1 undecidable manual S 144 25.4523 50 -0.36 92
IV.GAVE.EHZ. 2018-11-24T16:42:23.81 0.3 undecidable manual S 263 27.1506 50 -0.15 72
IV.FIAM.HHZ. 2018-11-24T16:42:23.40 0.1 undecidable manual P 190 51.0156 50 -0.07 93
IV.MMO1.HNZ. 2018-11-24T16:42:22.10 0.1 undecidable manual S 23 21.4674 116 -0.27 94
IV.PF6.EHE. 2018-11-24T16:42:22.52 0.1 undecidable manual P 357 46.3203 50 -0.22 91
IV.MC2.EHZ. 2018-11-24T16:42:22.07 0.1 undecidable manual S 352 21.3675 116 -0.27 94
IV.RM33.EHZ. 2018-11-24T16:42:22.90 0.1 undecidable manual S 182 23.5542 50 -0.09 98
IV.GIGS.HHZ. 2018-11-24T16:42:21.49 0.1 undecidable manual P 136 41.1255 50 -0.44 88
IV.LNSS.HHZ. 2018-11-24T16:42:21.95 0.1 undecidable manual S 229 19.9689 118 0.02 99
IV.CESI.HHZ. 2018-11-24T16:42:21.79 0.1 undecidable manual P 320 40.9257 50 -0.12 94
IV.FDMO.HHZ. 2018-11-24T16:42:21.06 0.1 undecidable manual P 342 36.741 50 -0.21 93
IV.MF5.EHZ. 2018-11-24T16:42:21.37 0.1 undecidable manual P 33 35.2425 50 0.35 90
IV.FEMA.HNN. 2018-11-24T16:42:20.25 0.3 undecidable manual P 332 30.3474 50 -0.03 73
IV.TERO.HHZ. 2018-11-24T16:42:20.32 0.1 undecidable manual P 109 32.745 50 -0.33 91
IV.MTRA.HNZ. 2018-11-24T16:42:20.05 0.1 undecidable manual S 74 14.4744 126 -0.25 96
IV.SMA1.EHZ. 2018-11-24T16:42:20.07 0.1 undecidable manual S 138 13.4754 128 0.06 100
IV.NRCA.HNZ. 2018-11-24T16:42:20.40 0.1 undecidable manual S 324 15.3735 124 -0.17 97
IV.T1299.HNZ. 2018-11-24T16:42:19.76 0.1 undecidable manual S 154 10.6782 134 0.48 92
IV.RM33.EHZ. 2018-11-24T16:42:19.23 0.1 positive manual P 182 23.5542 50 0 99
IV.CAMP.HHZ. 2018-11-24T16:42:19.33 0.1 negative manual P 144 25.4523 50 -0.19 95
IV.GAVE.EHZ. 2018-11-24T16:42:19.70 0.3 undecidable manual P 263 27.1506 50 -0.09 73
IV.MC2.EHZ. 2018-11-24T16:42:18.84 0.1 positive manual P 352 21.3675 116 -0.02 99
IV.LNSS.HHZ. 2018-11-24T16:42:18.68 0.1 positive manual P 229 19.9689 118 0.06 99
IV.MMO1.HNZ. 2018-11-24T16:42:18.77 0.1 positive manual P 23 21.4674 116 -0.11 97
IV.SMA1.EHZ. 2018-11-24T16:42:17.68 0.1 negative manual P 138 13.4754 128 0.17 98
IV.NRCA.HNZ. 2018-11-24T16:42:17.90 0.1 positive manual P 324 15.3735 124 0.06 99
IV.T1299.HNZ. 2018-11-24T16:42:17.47 0.1 negative manual P 154 10.6782 134 0.37 94
IV.MTRA.HNZ. 2018-11-24T16:42:17.72 0.1 negative manual P 74 14.4744 126 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HHE. ML:0.0 0.00007926946 0.3456 AML other m 2018-11-24T16:42:42.07
IV.MURB.HHN. ML:1.6 0.000051869115 0.2688 AML other m 2018-11-24T16:42:47.34
IV.SMA1.EHN. ML:1.4 0.00025885255000000003 0.1408 AML other m 2018-11-24T16:42:21.32
IV.SMA1.EHE. ML:1.5 0.0003036679 0.1536 AML other m 2018-11-24T16:42:20.92
IV.MTRA.EHE. ML:1.8 0.00067764525 0.1408 AML other m 2018-11-24T16:42:20.79
IV.MTRA.HNE. ML:1.8 0.0006768351999999999 0.1536 AML other m 2018-11-24T16:42:20.79
IV.MTRA.HNN. ML:1.9 0.00071799415 0.1536 AML other m 2018-11-24T16:42:20.13
IV.MTRA.EHN. ML:1.9 0.00072655945 0.1408 AML other m 2018-11-24T16:42:20.13
IV.LNSS.HNE. ML:1.5 0.00025534289999999996 0.1152 AML other m 2018-11-24T16:42:22.43
IV.LNSS.HHE. ML:1.6 0.00028571565 0.1024 AML other m 2018-11-24T16:42:22.77
IV.LNSS.HNN. ML:1.6 0.00026900855 0.1408 AML other m 2018-11-24T16:42:22.99
IV.LNSS.HHN. ML:1.6 0.00029017415000000003 0.1408 AML other m 2018-11-24T16:42:22.75
IV.RM33.EHN. ML:1.9 0.00049114435 0.2432 AML other m 2018-11-24T16:42:23.14
IV.RM33.HNN. ML:1.9 0.00047838255000000004 0.2432 AML other m 2018-11-24T16:42:23.14
IV.RM33.HNE. ML:1.8 0.00036101845 0.256 AML other m 2018-11-24T16:42:23.54
IV.RM33.EHE. ML:1.8 0.0003563163 0.2688 AML other m 2018-11-24T16:42:23.54
IV.CAMP.HHE. ML:1.3 0.00012335289 0.1792 AML other m 2018-11-24T16:42:23.33
IV.CAMP.HHN. ML:1.5 0.00018618185 0.2432 AML other m 2018-11-24T16:42:23.38
IV.GAVE.HNE. ML:1.8 0.00034384285000000004 0.1792 AML other m 2018-11-24T16:42:24.28
IV.GAVE.EHE. ML:1.8 0.0003288912 0.1792 AML other m 2018-11-24T16:42:24.28
IV.GAVE.EHN. ML:1.8 0.0002977785 0.128 AML other m 2018-11-24T16:42:24.12
IV.TERO.HHE. ML:1.6 0.00017611749999999998 0.0768 AML other m 2018-11-24T16:42:25.52
IV.TERO.HNN. ML:1.3 0.00007777014 0.0768 AML other m 2018-11-24T16:42:25.27
IV.TERO.HHN. ML:1.6 0.00019316275 0.0512 AML other m 2018-11-24T16:42:25.30
IV.FDMO.HHN. ML:1.5 0.00010971497500000001 0.1152 AML other m 2018-11-24T16:42:27.62
IV.FDMO.HHE. ML:1.5 0.000111243875 0.1792 AML other m 2018-11-24T16:42:27.33
IV.CESI.HHN. ML:1.7 0.00018222555000000002 0.1536 AML other m 2018-11-24T16:42:27.72
IV.CESI.HHE. ML:1.7 0.00016327524999999997 0.128 AML other m 2018-11-24T16:42:27.78
IV.MOMA.HHN. ML:1.5 0.000082014265 0.1536 AML other m 2018-11-24T16:42:33.13
IV.MOMA.HNE. ML:1.6 0.0001030587 0.2944 AML other m 2018-11-24T16:42:33.20
IV.T0110.HHN. ML:1.7 0.00007511166 0.3968 AML other m 2018-11-24T16:42:38.88
IV.T0110.HHE. ML:1.4 0.000047499979999999994 0.192 AML other m 2018-11-24T16:42:38.99
IV.EL6.EHN. ML:1.4 0.000044946509999999995 0.2432 AML other m 2018-11-24T16:42:37.95
IV.EL6.EHE. ML:1.5 0.00004864797999999999 0.2176 AML other m 2018-11-24T16:42:37.35
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