Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 06-10-2023 and time 00:41:18 (UTC) in region 5 km SE Arquata del Tronto (AP)

A magnitude ML 1.5 earthquake occured in region: 5 km SE Arquata del Tronto (AP), on

  • 06-10-2023 00:41:18 (UTC)
  • 06-10-2023 02:41:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7420, 13.3340 at 14 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
Arquata del Tronto AP 5 1178 1178
Acquasanta Terme AP 7 2916 4094
Accumoli RI 9 667 4761
Montegallo AP 11 523 5284
Amatrice RI 13 2657 7941
Valle Castellana TE 13 977 8918
Rocca Santa Maria TE 17 537 9455
Roccafluvione AP 18 2010 11465
Montemonaco AP 18 604 12069
Cortino TE 20 656 12725
Cittareale RI 20 482 13207

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km W of Teramo (54892 inhabitants)
44 Km N of L'Aquila (69753 inhabitants)
57 Km E of Foligno (57155 inhabitants)
60 Km E of Terni (111501 inhabitants)
71 Km W of Montesilvano (53738 inhabitants)
78 Km W of Pescara (121014 inhabitants)
81 Km NW of Chieti (51815 inhabitants)
87 Km E of Perugia (166134 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
97 Km NE of Tivoli (56533 inhabitants)
99 Km S of Ancona (100861 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 1.5 2023-10-06
00:41:18		 42.7417 13.3342 14 2023-10-06
00:50:39		 Sala Sismica INGV-Roma 121802691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-06 00:41:18 ± 0.07
Latitude 42.7417 ± 0.0027
Longitude 13.3342 ± 0.0061
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121802691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 438
Semi-minor axis of confidence ellipse (meter) 124
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 81
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 49
Number of associated phases, regardless of their use for origin computation 58
Number of defining phases 44
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45686
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 23
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 53
Type of magnitude ML
Reference to an origin 121802691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-06 00:50:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BDI.HHZ. 2023-10-06T00:42:33.86 3.0 undecidable manual Sg 6.87 0
OT.OT05.EHZ. 2023-10-06T00:42:17.07 3.0 undecidable manual Sn -1.44 0
IV.SACR.HHZ. 2023-10-06T00:42:10.89 3.0 undecidable manual Sn 0.24 0
GU.GRAM.HHZ. 2023-10-06T00:42:06.96 3.0 negative manual Pn 2.35 0
IV.CRE.HHZ. 2023-10-06T00:42:04.15 3.0 undecidable manual S 2.87 0
IV.PIEI.HHZ. 2023-10-06T00:41:52.63 3.0 undecidable manual S 0.12 0
IV.SACR.HHZ. 2023-10-06T00:41:49.48 3.0 undecidable manual Pg 1.68 0
IV.INTR.HHZ. 2023-10-06T00:41:46.97 3.0 undecidable manual S -1.78 0
IV.CING.HHZ. 2023-10-06T00:41:41.24 3.0 undecidable manual S -0.34 0
IV.FIAM.HHZ. 2023-10-06T00:41:36.54 3.0 undecidable manual S -0.13 0
IV.CESI.HHZ. 2023-10-06T00:41:33.43 0.6 undecidable manual S 310 45.5211 95 0.15 46
IV.FDMO.HHZ. 2023-10-06T00:41:31.17 0.6 undecidable manual S 329 38.3283 96 -0.21 47
IV.GAVE.EHZ. 2023-10-06T00:41:31.23 0.6 undecidable manual S 261 36.2415 97 0.41 45
IV.CING.HHZ. 2023-10-06T00:41:31.05 3.0 positive manual P -0.42 0
IV.CSP1.EHZ. 2023-10-06T00:41:31.81 0.6 undecidable manual S 345 40.2264 96 -0.06 48
IV.GUMA.HHZ. 2023-10-06T00:41:31.07 0.6 undecidable manual S 0 35.6421 97 0.42 44
IV.OFFI.HHZ. 2023-10-06T00:41:31.94 0.3 undecidable manual S 53 35.742 97 1.26 47
IV.GIGS.HHZ. 2023-10-06T00:41:30.92 0.6 undecidable manual S 149 37.4292 96 -0.22 46
IV.T0110.HHZ. 2023-10-06T00:41:30.53 3.0 positive manual P -0.6 0
IV.RM33.EHZ. 2023-10-06T00:41:29.01 0.3 undecidable manual S 201 27.6501 100 0.48 68
IV.ASSB.HHZ. 2023-10-06T00:41:29.76 3.0 undecidable manual P -0.21 0
IV.MF5.EHZ. 2023-10-06T00:41:29.57 0.6 undecidable manual S 20 29.1486 99 0.63 42
IV.LNSS.HHZ. 2023-10-06T00:41:29.02 0.6 undecidable manual S 237 28.4493 100 0.25 47
IV.FIAM.HHZ. 2023-10-06T00:41:28.45 3.0 negative manual P -0.26 0
IV.MML1.EHZ. 2023-10-06T00:41:27.67 1.0 negative manual P 325 50.7159 94 -0.22 23
IV.MC2.EHN. 2023-10-06T00:41:27.18 0.6 undecidable manual S 328 22.2555 105 0.05 49
IV.CAMP.HHZ. 2023-10-06T00:41:27.50 0.6 undecidable manual S 165 23.6541 104 0 49
IV.ASCOL.EHZ. 2023-10-06T00:41:27.13 0.3 undecidable manual S 60 24.0537 103 -0.48 67
IV.TERO.HNZ. 2023-10-06T00:41:27.71 0.6 undecidable manual S 121 25.6521 102 -0.31 46
IV.NRCA.HHZ. 2023-10-06T00:41:26.49 0.6 undecidable manual S 300 20.5683 107 -0.22 48
IV.OFFI.HHZ. 2023-10-06T00:41:26.14 0.1 undecidable manual P 53 35.742 97 0.55 87
7F.SIB1.EHE. 2023-10-06T00:41:26.05 0.3 undecidable manual S 343 17.7711 112 0.05 74
IV.CESI.HHZ. 2023-10-06T00:41:26.92 0.1 positive manual P 310 45.5211 95 -0.17 93
IV.MNTT.EHZ. 2023-10-06T00:41:26.99 0.1 negative manual P 31 41.4252 95 0.53 86
IV.CSP1.EHZ. 2023-10-06T00:41:26.02 0.1 negative manual P 345 40.2264 96 -0.26 92
7F.SIB3.EHE. 2023-10-06T00:41:25.13 0.3 undecidable manual S 341 15.6732 117 -0.37 70
IV.GUMA.HHZ. 2023-10-06T00:41:25.61 0.1 negative manual P 0 35.6421 97 0.04 97
IV.FDMO.HHZ. 2023-10-06T00:41:25.68 0.6 positive manual P 329 38.3283 96 -0.32 46
IV.GAVE.EHZ. 2023-10-06T00:41:25.73 0.6 negative manual P 261 36.2415 97 0.05 48
7F.SIB2.EHE. 2023-10-06T00:41:25.37 0.6 undecidable manual S 352 16.7721 114 -0.38 47
IV.MMO1.EHZ. 2023-10-06T00:41:25.69 0.6 undecidable manual S 358 17.4714 113 -0.25 48
IV.GIGS.HHZ. 2023-10-06T00:41:25.58 0.6 negative manual P 149 37.4292 96 -0.28 45
IV.LNSS.HHZ. 2023-10-06T00:41:24.55 0.1 undecidable manual P 237 28.4493 100 0.06 98
IV.RM33.EHZ. 2023-10-06T00:41:24.48 0.3 negative manual P 201 27.6501 100 0.13 73
IV.SMA1.EHZ. 2023-10-06T00:41:24.73 0.6 undecidable manual S 180 12.3765 127 -0.01 50
IV.MF5.EHZ. 2023-10-06T00:41:24.78 0.1 negative manual P 20 29.1486 99 0.19 95
IV.MTRA.EHZ. 2023-10-06T00:41:23.48 0.3 undecidable manual S 72 5.3946 154 -0.05 76
IV.NRCA.HHZ. 2023-10-06T00:41:23.20 1.0 undecidable manual P 300 20.5683 107 -0.1 25
IV.MC2.EHN. 2023-10-06T00:41:23.55 0.1 undecidable manual P 328 22.2555 105 0.01 99
IV.CAMP.HHZ. 2023-10-06T00:41:23.78 0.6 undecidable manual P 165 23.6541 104 0.02 49
IV.ASCOL.EHZ. 2023-10-06T00:41:23.35 0.3 undecidable manual P 60 24.0537 103 -0.47 67
IV.TERO.HNZ. 2023-10-06T00:41:23.91 0.1 negative manual P 121 25.6521 102 -0.15 95
7F.SIB2.EHE. 2023-10-06T00:41:22.43 0.1 undecidable manual P 352 16.7721 114 -0.32 94
IV.MMO1.EHZ. 2023-10-06T00:41:22.69 0.1 negative manual P 358 17.4714 113 -0.16 97
7F.SIB3.EHE. 2023-10-06T00:41:22.41 0.1 undecidable manual P 341 15.6732 117 -0.19 97
7F.SIB1.EHE. 2023-10-06T00:41:22.86 0.1 undecidable manual P 343 17.7711 112 -0.03 100
IV.SMA1.EHZ. 2023-10-06T00:41:22.33 0.6 undecidable manual P 180 12.3765 127 0.17 49
IV.MTRA.EHZ. 2023-10-06T00:41:21.57 0.6 negative manual P 72 5.3946 154 0.1 51
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNN. ML:1.9 0.000916 0.44 AML other m 2023-10-06T00:41:23.52
IV.MTRA.HNE. ML:2.1 0.0015950000000000003 0.22 AML other m 2023-10-06T00:41:23.64
IV.SMA1.EHN. ML:1.8 0.0005625 0.32 AML other m 2023-10-06T00:41:25.08
IV.SMA1.EHE. ML:1.7 0.0005365 0.24 AML other m 2023-10-06T00:41:25.27
IV.MMO1.EHE. ML:1.5 0.0002495 0.8 AML other m 2023-10-06T00:41:26.06
IV.NRCA.HHE. ML:1.9 0.000505 0.08 AML other m 2023-10-06T00:41:26.85
IV.MMO1.EHN. ML:1.4 0.00017299999999999998 1.68 AML other m 2023-10-06T00:41:26.09
IV.NRCA.HHN. ML:1.9 0.0005195000000000001 0.12 AML other m 2023-10-06T00:41:27.33
IV.CAMP.HHN. ML:1.3 0.00010435 0.28 AML other m 2023-10-06T00:41:27.68
IV.CAMP.HHE. ML:1.2 0.00009504999999999999 0.36 AML other m 2023-10-06T00:41:27.71
IV.RM33.EHN. ML:1.4 0.000125 0.28 AML other m 2023-10-06T00:41:29.16
IV.RM33.EHE. ML:1.4 0.0001275 0.58 AML other m 2023-10-06T00:41:29.24
IV.LNSS.HHN. ML:1.8 0.0002825 0.36 AML other m 2023-10-06T00:41:29.40
IV.LNSS.HHE. ML:1.6 0.0001855 0.76 AML other m 2023-10-06T00:41:30.83
IV.GIGS.HHE. ML:1.3 0.00006375 0.58 AML other m 2023-10-06T00:41:31.70
IV.GIGS.HHN. ML:1.2 0.00006135 0.2 AML other m 2023-10-06T00:41:31.53
IV.GAVE.EHN. ML:1.7 0.0001915 0.3 AML other m 2023-10-06T00:41:31.45
IV.FDMO.HHN. ML:1.7 0.000184 0.26 AML other m 2023-10-06T00:41:31.52
IV.CSP1.EHE. ML:1.8 0.000202 0.58 AML other m 2023-10-06T00:41:32.03
IV.FDMO.HHE. ML:1.5 0.00010389999999999999 1.46 AML other m 2023-10-06T00:41:32.23
IV.GAVE.EHE. ML:1.7 0.000205 0.16 AML other m 2023-10-06T00:41:32.45
IV.GUMA.HHN. ML:1.6 0.000142 0.26 AML other m 2023-10-06T00:41:32.86
IV.CSP1.EHN. ML:1.8 0.0002 0.38 AML other m 2023-10-06T00:41:33.37
IV.CESI.HHE. ML:1.5 0.0001021 0.2 AML other m 2023-10-06T00:41:33.68
IV.CESI.HHN. ML:1.8 0.0001855 1.84 AML other m 2023-10-06T00:41:34.98
IV.GUMA.HHE. ML:1.7 0.000206 0.46 AML other m 2023-10-06T00:41:34.21
IV.MML1.EHN. ML:1.2 0.00004435 0.14 AML other m 2023-10-06T00:41:35.06
IV.MML1.EHE. ML:1.2 0.000042999999999999995 0.46 AML other m 2023-10-06T00:41:35.66
IV.FIAM.HHN. ML:1.0 0.000024449999999999998 0.28 AML other m 2023-10-06T00:41:36.52
IV.FIAM.HHE. ML:1.2 0.00003315 0.42 AML other m 2023-10-06T00:41:36.71
IV.MNTT.EHE. ML:1.5 0.00010580000000000001 0.34 AML other m 2023-10-06T00:41:37.99
IV.MNTT.EHN. ML:1.5 0.00010600000000000002 1.14 AML other m 2023-10-06T00:41:39.29
IV.ASSB.HHN. ML:1.1 0.0000236 0.24 AML other m 2023-10-06T00:41:40.40
IV.ASSB.HHE. ML:1.0 0.000020950000000000004 0.86 AML other m 2023-10-06T00:41:41.13
IV.T0110.HHE. ML:1.4 0.0000454 0.24 AML other m 2023-10-06T00:41:41.73
IV.CING.HHN. ML:1.3 0.000034500000000000005 1.38 AML other m 2023-10-06T00:41:42.16
IV.CING.HHE. ML:1.4 0.0000382 1.46 AML other m 2023-10-06T00:41:43.01
IV.T0110.HHN. ML:1.5 0.0000492 1.66 AML other m 2023-10-06T00:41:44.02
IV.PIEI.HHE. ML:1.2 0.000015570000000000002 0.48 AML other m 2023-10-06T00:41:53.22
IV.PIEI.HHN. ML:1.1 0.000010264999999999999 0.6 AML other m 2023-10-06T00:41:59.33
IV.MTRA.EHE. ML:1.9 0.00106672635 0.1 AML other m 2023-10-06T00:41:23.65
IV.MTRA.EHN. ML:1.9 0.0009073738 0.16 AML other m 2023-10-06T00:41:23.53
IV.NRCA.HNE. ML:1.8 0.0004339869 0.08 AML other m 2023-10-06T00:41:26.85
IV.NRCA.HNN. ML:1.9 0.00046989724999999997 0.12 AML other m 2023-10-06T00:41:27.33
IV.RM33.HNE. ML:1.4 0.000135657952 0.13 AML other m 2023-10-06T00:41:29.24
IV.RM33.HNN. ML:1.3 0.000112031445 0.36 AML other m 2023-10-06T00:41:31.51
IV.MF5.EHE. ML:1.2 0.00007038989 0.32 AML other m 2023-10-06T00:41:29.56
IV.MF5.EHN. ML:1.3 0.00009948454 0.32 AML other m 2023-10-06T00:41:29.76
IV.GUMA.HNE. ML:1.6 0.00015834828000000002 0.27 AML other m 2023-10-06T00:41:33.13
IV.GUMA.HNN. ML:1.6 0.0001571217 0.59 AML other m 2023-10-06T00:41:39.84
IV.GAVE.HNE. ML:1.8 0.00021511449999999998 0.34 AML other m 2023-10-06T00:41:32.45
IV.OFFI.HHE. ML:1.6 0.00016268085 0.2 AML other m 2023-10-06T00:41:33.67
IV.CESI.HNN. ML:1.8 0.00017513574999999997 0.16 AML other m 2023-10-06T00:41:34.06
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