Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 01-11-2023 and time 09:05:18 (Italy) in region 7 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 2.1 earthquake occured in region: 7 km SE Castelsantangelo sul Nera (MC), on

  • 01-11-2023 08:05:18 (UTC)
  • 01-11-2023 09:05:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8560, 13.2240 at 5 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
Castelsantangelo sul Nera MC 7 281 281
Montegallo AP 9 523 804
Montemonaco AP 10 604 1408
Arquata del Tronto AP 11 1178 2586
Ussita MC 12 444 3030
Norcia PG 13 4957 7987
Montefortino FM 14 1178 9165
Visso MC 14 1107 10272
Preci PG 15 724 10996
Bolognola MC 16 142 11138
Amandola FM 18 3629 14767
Acquasanta Terme AP 18 2916 17683
Accumoli RI 18 667 18350
Comunanza AP 19 3166 21516
Palmiano AP 20 196 21712
Acquacanina MC 20 121 21833

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Foligno (57155 inhabitants)
45 Km W of Teramo (54892 inhabitants)
57 Km NE of Terni (111501 inhabitants)
58 Km N of L'Aquila (69753 inhabitants)
74 Km E of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
88 Km S of Ancona (100861 inhabitants)
92 Km W of Pescara (121014 inhabitants)
95 Km NW 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 2.1 2023-11-01
08:05:18		 42.8555 13.224 5 2023-11-01
08:14:40		 Sala Sismica INGV-Roma 122637131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-01 08:05:18 ± 0.11
Latitude 42.8555 ± 0.0036
Longitude 13.2240 ± 0.0049
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122637131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 419
Semi-minor axis of confidence ellipse (meter) 113
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 249
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 57
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36333
Number of stations at which the event was observed 42
Number of stations from which data was used for origin computation 17
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 86
Type of magnitude ML
Reference to an origin 122637131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-01 08:14:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2023-11-01T08:05:44.52 3.0 undecidable manual S -0.15 0
IV.MURB.HHZ. 2023-11-01T08:05:42.34 3.0 undecidable manual S -0.19 0
IV.ARVD.HHZ. 2023-11-01T08:05:42.70 3.0 undecidable manual S 1.25 0
IV.FIAM.HHZ. 2023-11-01T08:05:39.15 3.0 undecidable manual S -2.95 0
IV.FOSV.EHZ. 2023-11-01T08:05:38.05 3.0 undecidable manual S -0.53 0
IV.CING.HHZ. 2023-11-01T08:05:37.23 3.0 undecidable manual S 2.03 0
IV.MGAB.HHZ. 2023-11-01T08:05:35.05 3.0 negative manual P -0.01 0
IV.PIEI.HHZ. 2023-11-01T08:05:34.11 3.0 negative manual P -0.17 0
IV.NARO.HHZ. 2023-11-01T08:05:34.76 3.0 undecidable manual P -0.18 0
IV.MPAG.EHZ. 2023-11-01T08:05:34.39 3.0 undecidable manual P 0.52 0
IV.T0110.HHZ. 2023-11-01T08:05:32.20 3.0 positive manual P -0.61 0
IV.ATFO.HHZ. 2023-11-01T08:05:31.44 3.0 undecidable manual P -0.34 0
IV.SSFR.HHZ. 2023-11-01T08:05:31.62 3.0 undecidable manual P 0.9 0
IV.ARVD.HHZ. 2023-11-01T08:05:31.00 3.0 negative manual P 0.42 0
IV.VCEL.EHZ. 2023-11-01T08:05:30.78 3.0 undecidable manual P 0.13 0
IV.FAGN.HHZ. 2023-11-01T08:05:30.74 3.0 positive manual P -0.47 0
IV.MURB.HHZ. 2023-11-01T08:05:30.82 3.0 negative manual P -0.37 0
IV.FIAM.HHZ. 2023-11-01T08:05:29.51 3.0 negative manual P -1.44 0
IV.CESX.HHZ. 2023-11-01T08:05:29.00 3.0 positive manual P -1.13 0
IV.FOSV.EHZ. 2023-11-01T08:05:28.92 3.0 positive manual P -0.05 0
IV.CING.HHZ. 2023-11-01T08:05:28.20 3.0 undecidable manual P 1.13 0
IV.ATCC.EHZ. 2023-11-01T08:05:28.61 3.0 positive manual P -0.51 0
IV.GUMA.HHZ. 2023-11-01T08:05:27.36 0.3 undecidable manual S 21 24.6531 101 0.57 64
IV.CSP1.EHZ. 2023-11-01T08:05:27.08 0.3 undecidable manual S 357 26.2515 101 -0.24 69
IV.GIGS.HHZ. 2023-11-01T08:05:27.39 3.0 positive manual P -0.35 0
IV.ASSB.HHZ. 2023-11-01T08:05:26.96 3.0 positive manual P -0.82 0
IV.MNTT.EHZ. 2023-11-01T08:05:26.01 0.1 undecidable manual P 53 37.9287 97 0.31 89
IV.SNTG.HHZ. 2023-11-01T08:05:26.86 3.0 positive manual P 0.47 0
IV.OFFI.HHZ. 2023-11-01T08:05:26.22 0.1 undecidable manual P 77 38.5281 97 0.39 88
IV.RM33.EHZ. 2023-11-01T08:05:25.21 3.0 undecidable manual P -0.64 0
IV.FDMO.HHZ. 2023-11-01T08:05:25.97 0.3 undecidable manual S 331 22.9548 102 -0.22 70
IV.CAMP.HHZ. 2023-11-01T08:05:25.13 3.0 positive manual P -0.09 0
IV.TERO.HHZ. 2023-11-01T08:05:25.35 0.3 negative manual P 130 40.3263 97 -0.83 56
IV.GAVE.EHZ. 2023-11-01T08:05:24.37 3.0 negative manual P -0.82 0
IV.LNSS.HHZ. 2023-11-01T08:05:24.26 0.1 undecidable manual P 208 31.746 99 -0.23 92
IV.SAP2.EHZ. 2023-11-01T08:05:24.29 0.1 undecidable manual P 28 30.3474 99 0.09 95
IV.MTRA.EHZ. 2023-11-01T08:05:24.88 0.3 undecidable manual S 128 17.7711 106 0.42 68
IV.CSP1.EHZ. 2023-11-01T08:05:23.03 0.1 undecidable manual P 357 26.2515 101 -0.37 90
IV.CESI.HHZ. 2023-11-01T08:05:23.88 3.0 undecidable manual P 0.18 0
IV.GUMA.HHZ. 2023-11-01T08:05:23.16 0.1 undecidable manual P 21 24.6531 101 0.06 96
IV.MF5.EHZ. 2023-11-01T08:05:23.13 0.1 undecidable manual P 52 24.1536 102 0.15 94
IV.SMA1.EHZ. 2023-11-01T08:05:23.23 0.1 negative manual P 160 26.5512 101 -0.23 92
IV.MML1.EHZ. 2023-11-01T08:05:23.98 3.0 negative manual P 0.16 0
IV.NRCA.HNZ. 2023-11-01T08:05:22.08 0.3 undecidable manual S 255 9.2796 118 0.39 69
IV.FDMO.HHZ. 2023-11-01T08:05:22.38 0.1 undecidable manual P 331 22.9548 102 -0.37 90
IV.MMO1.EHZ. 2023-11-01T08:05:21.71 0.3 undecidable manual S 60 9.6792 117 -0.11 73
IV.MTRA.EHZ. 2023-11-01T08:05:21.96 0.1 positive manual P 128 17.7711 106 0.21 94
IV.MC2.EHN. 2023-11-01T08:05:21.30 0.1 undecidable manual S 335 6.7932 126 0.32 94
IV.NRCA.HNZ. 2023-11-01T08:05:20.34 0.1 undecidable manual P 255 9.2796 118 0.19 96
7F.SIB2.EHN. 2023-11-01T08:05:20.99 0.3 undecidable manual S 59 7.5813 123 -0.21 72
IV.MMO1.EHZ. 2023-11-01T08:05:20.24 0.1 undecidable manual P 60 9.6792 117 0.01 99
7F.SIB1.EHZ. 2023-11-01T08:05:20.53 0.3 undecidable manual S 41 5.7942 131 -0.15 73
IV.MC2.EHN. 2023-11-01T08:05:19.82 0.1 undecidable manual P 335 6.7932 126 0.08 99
7F.SIB3.EHN. 2023-11-01T08:05:19.99 0.3 undecidable manual S 60 4.2957 139 -0.34 70
7F.SIB2.EHN. 2023-11-01T08:05:19.81 0.1 undecidable manual P 59 7.5813 123 -0.06 99
7F.SIB3.EHN. 2023-11-01T08:05:19.27 0.1 undecidable manual P 60 4.2957 139 -0.1 99
7F.SIB1.EHZ. 2023-11-01T08:05:19.59 0.1 undecidable manual P 41 5.7942 131 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:2.8 0.01125 0.14 AML other m 2023-11-01T08:05:22.36
IV.NRCA.HHE. ML:2.9 0.0134 0.1 AML other m 2023-11-01T08:05:22.65
IV.NRCA.HNE. ML:2.8 0.012649999999999998 0.1 AML other m 2023-11-01T08:05:22.66
IV.NRCA.HNN. ML:2.8 0.010150000000000001 1.34 AML other m 2023-11-01T08:05:23.20
IV.MTRA.HNE. ML:2.4 0.00219 1.22 AML other m 2023-11-01T08:05:26.02
IV.MTRA.EHE. ML:2.4 0.002245 1.2 AML other m 2023-11-01T08:05:26.03
IV.MTRA.HNN. ML:2.4 0.002485 1.58 AML other m 2023-11-01T08:05:27.81
IV.MTRA.EHN. ML:2.4 0.002535 1.58 AML other m 2023-11-01T08:05:27.03
IV.FDMO.HHE. ML:1.9 0.0005759999999999999 0.14 AML other m 2023-11-01T08:05:27.18
IV.GUMA.HHE. ML:2.8 0.00377 0.18 AML other m 2023-11-01T08:05:27.71
IV.MF5.EHE. ML:2.0 0.0007424999999999999 1.58 AML other m 2023-11-01T08:05:27.96
IV.GUMA.HNN. ML:2.8 0.004425000000000001 1.54 AML other m 2023-11-01T08:05:28.00
IV.GUMA.HHN. ML:2.8 0.004365 1.48 AML other m 2023-11-01T08:05:28.76
IV.FDMO.HHN. ML:2.0 0.0006905 0.46 AML other m 2023-11-01T08:05:28.36
IV.MF5.EHN. ML:2.0 0.00061 0.3 AML other m 2023-11-01T08:05:28.30
IV.CSP1.EHE. ML:2.3 0.001335 0.58 AML other m 2023-11-01T08:05:28.64
IV.CSP1.EHN. ML:2.4 0.00151 1.12 AML other m 2023-11-01T08:05:28.92
IV.GUMA.HNE. ML:2.7 0.0031049999999999997 0.24 AML other m 2023-11-01T08:05:29.02
IV.LNSS.HHN. ML:2.4 0.0010899999999999998 0.22 AML other m 2023-11-01T08:05:29.95
IV.LNSS.HHE. ML:2.3 0.0010445 0.32 AML other m 2023-11-01T08:05:29.96
IV.CESI.HHN. ML:2.3 0.0010295 0.36 AML other m 2023-11-01T08:05:30.25
IV.SAP2.EHN. ML:2.9 0.0040750000000000005 0.54 AML other m 2023-11-01T08:05:30.68
IV.GAVE.EHE. ML:2.2 0.0006964999999999999 1.14 AML other m 2023-11-01T08:05:30.26
IV.SMA1.EHE. ML:2.0 0.000628 1.48 AML other m 2023-11-01T08:05:30.23
IV.MML1.HNE. ML:2.0 0.000407 1.58 AML other m 2023-11-01T08:05:31.09
IV.CAMP.HHE. ML:1.7 0.0001805 0.36 AML other m 2023-11-01T08:05:31.30
IV.GAVE.HNE. ML:2.1 0.0006454999999999999 0.6 AML other m 2023-11-01T08:05:31.47
IV.MML1.EHE. ML:1.9 0.0003515 0.7 AML other m 2023-11-01T08:05:31.54
IV.GAVE.EHN. ML:2.2 0.0007070000000000001 0.18 AML other m 2023-11-01T08:05:31.57
IV.CESI.HHE. ML:2.0 0.0005845000000000001 1.18 AML other m 2023-11-01T08:05:31.03
IV.TERO.HHN. ML:2.0 0.000322 0.6 AML other m 2023-11-01T08:05:31.97
IV.TERO.HHE. ML:2.1 0.000441 0.24 AML other m 2023-11-01T08:05:31.93
IV.CAMP.HHN. ML:1.7 0.0001985 0.78 AML other m 2023-11-01T08:05:32.01
IV.GAVE.HNN. ML:1.9 0.00033850000000000004 1.14 AML other m 2023-11-01T08:05:32.66
IV.SAP2.EHE. ML:2.3 0.0009775 0.22 AML other m 2023-11-01T08:05:32.54
IV.MML1.EHN. ML:2.1 0.0005585 0.18 AML other m 2023-11-01T08:05:32.47
IV.MML1.HNN. ML:2.1 0.0005535 0.2 AML other m 2023-11-01T08:05:32.46
IV.MNTT.EHN. ML:2.6 0.00135 0.34 AML other m 2023-11-01T08:05:33.28
IV.MNTT.EHE. ML:2.3 0.0007239999999999999 1.12 AML other m 2023-11-01T08:05:33.35
IV.RM33.EHE. ML:1.9 0.00031 1.56 AML other m 2023-11-01T08:05:34.87
IV.RM33.EHN. ML:1.8 0.0002485 1.38 AML other m 2023-11-01T08:05:34.10
IV.SMA1.EHN. ML:2.0 0.0006129999999999999 0.42 AML other m 2023-11-01T08:05:34.76
IV.ASSB.HHE. ML:2.2 0.0003875 0.18 AML other m 2023-11-01T08:05:35.35
IV.ASSB.HHN. ML:2.0 0.00028300000000000005 1.5 AML other m 2023-11-01T08:05:35.17
IV.SNTG.HHE. ML:1.8 0.000155 1.46 AML other m 2023-11-01T08:05:36.98
IV.SNTG.HHN. ML:1.7 0.0001435 1.28 AML other m 2023-11-01T08:05:36.19
IV.OFFI.HHE. ML:2.1 0.0004465 1 AML other m 2023-11-01T08:05:37.73
IV.OFFI.HHN. ML:2.1 0.000443 0.42 AML other m 2023-11-01T08:05:38.27
IV.FOSV.EHE. ML:1.8 0.000125 0.82 AML other m 2023-11-01T08:05:39.55
IV.CING.HHN. ML:1.8 0.0001435 1.1 AML other m 2023-11-01T08:05:39.71
IV.CESX.HHN. ML:1.8 0.00013900000000000002 0.4 AML other m 2023-11-01T08:05:39.98
IV.FOSV.EHN. ML:2.0 0.00021799999999999999 1.7 AML other m 2023-11-01T08:05:40.87
IV.FIAM.HHN. ML:1.7 0.0000927 0.38 AML other m 2023-11-01T08:05:40.34
IV.CING.HHE. ML:1.9 0.0001625 0.48 AML other m 2023-11-01T08:05:40.45
IV.ATCC.EHE. ML:2.0 0.00023649999999999998 1.14 AML other m 2023-11-01T08:05:40.09
IV.ATCC.EHN. ML:2.0 0.0002115 1 AML other m 2023-11-01T08:05:41.26
IV.ARVD.HHE. ML:1.7 0.0000816 0.48 AML other m 2023-11-01T08:05:43.40
IV.VCEL.EHE. ML:2.0 0.0001605 1.16 AML other m 2023-11-01T08:05:43.18
IV.SSFR.HHE. ML:1.9 0.0001185 0.82 AML other m 2023-11-01T08:05:43.39
IV.MURB.HHE. ML:2.4 0.00042249999999999997 0.26 AML other m 2023-11-01T08:05:43.88
IV.FIAM.HHE. ML:1.8 0.000108 0.48 AML other m 2023-11-01T08:05:44.71
IV.SSFR.HHN. ML:2.2 0.000279 0.24 AML other m 2023-11-01T08:05:44.90
IV.SSFR.HNN. ML:2.4 0.00035650000000000005 0.24 AML other m 2023-11-01T08:05:44.91
IV.MURB.HHN. ML:2.4 0.00035749999999999996 0.88 AML other m 2023-11-01T08:05:45.66
IV.CESX.HHE. ML:1.8 0.00012819999999999997 0.62 AML other m 2023-11-01T08:05:45.09
IV.FRON.EHN. ML:1.9 0.0000995 0.7 AML other m 2023-11-01T08:05:45.32
IV.MURB.HNN. ML:2.3 0.00032 0.24 AML other m 2023-11-01T08:05:45.79
IV.MURB.HNE. ML:2.4 0.0004445 1.56 AML other m 2023-11-01T08:05:46.03
IV.ARVD.HHN. ML:1.6 0.00006484999999999999 1.04 AML other m 2023-11-01T08:05:46.18
IV.ATFO.HHN. ML:1.6 0.000059999999999999995 0.7 AML other m 2023-11-01T08:05:46.57
IV.FRON.EHE. ML:1.8 0.00008135000000000001 0.16 AML other m 2023-11-01T08:05:46.76
IV.FAGN.HHN. ML:2.1 0.000184 1.44 AML other m 2023-11-01T08:05:46.07
IV.SSFR.HNE. ML:2.4 0.00039249999999999995 0.2 AML other m 2023-11-01T08:05:46.84
IV.VCEL.EHN. ML:1.9 0.0001425 0.8 AML other m 2023-11-01T08:05:47.20
IV.ATFO.HHE. ML:1.7 0.00008065 1.24 AML other m 2023-11-01T08:05:48.80
IV.T0110.HHN. ML:2.1 0.000154 0.44 AML other m 2023-11-01T08:05:48.43
IV.T0110.HHE. ML:2.0 0.0001275 0.6 AML other m 2023-11-01T08:05:48.30
IV.PIEI.HHN. ML:1.7 0.000049850000000000006 1.58 AML other m 2023-11-01T08:05:49.88
IV.FAGN.HHE. ML:2.1 0.000185 0.86 AML other m 2023-11-01T08:05:49.37
IV.MPAG.EHE. ML:1.7 0.000052000000000000004 1.58 AML other m 2023-11-01T08:05:50.92
IV.PIEI.HHE. ML:1.8 0.00006905 1.86 AML other m 2023-11-01T08:05:51.03
IV.MGAB.HHN. ML:2.0 0.000128 0.52 AML other m 2023-11-01T08:05:52.90
IV.MGAB.HHE. ML:2.0 0.00010899999999999999 0.44 AML other m 2023-11-01T08:05:54.25
IV.NARO.HHN. ML:1.5 0.00003645 0.86 AML other m 2023-11-01T08:05:54.50
IV.MPAG.EHN. ML:1.7 0.00004765 0.42 AML other m 2023-11-01T08:05:57.95
IV.NARO.HHE. ML:1.6 0.00004685 0.46 AML other m 2023-11-01T08:05:58.38
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