Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 17-07-2023 and time 07:34:48 (Italy) in region 2 km W Castelsantangelo sul Nera (MC)

A magnitude ML 2.1 earthquake occured in region: 2 km W Castelsantangelo sul Nera (MC), on

  • 17-07-2023 05:34:48 (UTC)
  • 17-07-2023 07:34:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9040, 13.1320 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
Castelsantangelo sul Nera MC 2 281 281
Ussita MC 5 444 725
Visso MC 5 1107 1832
Preci PG 8 724 2556
Norcia PG 13 4957 7513
Bolognola MC 13 142 7655
Acquacanina MC 15 121 7776
Monte Cavallo MC 15 145 7921
Fiastra MC 15 559 8480
Fiordimonte MC 15 202 8682
Montemonaco AP 16 604 9286
Sellano PG 17 1079 10365
Pieve Torina MC 17 1458 11823
Montefortino FM 18 1178 13001
Montegallo AP 18 523 13524
Pievebovigliana MC 18 866 14390
Arquata del Tronto AP 20 1178 15568
Cerreto di Spoleto PG 20 1075 16643

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
54 Km NW of Teramo (54892 inhabitants)
55 Km NE of Terni (111501 inhabitants)
65 Km E of Perugia (166134 inhabitants)
65 Km NW of L'Aquila (69753 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
94 Km W of Montesilvano (53738 inhabitants)
100 Km NE 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
Reviewed
Rev100 		ML 2.1 2023-07-17
05:34:48		 42.9043 13.1325 11 2023-07-17
05:41:48		 Sala Sismica INGV-Roma 119333581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-17 05:34:48 ± 0.07
Latitude 42.9043 ± 0.0036
Longitude 13.1325 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119333581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 449
Semi-minor axis of confidence ellipse (meter) 208
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 205
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 61
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24012
Number of stations at which the event was observed 44
Number of stations from which data was used for origin computation 14
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.4
Num. used stations 100
Type of magnitude ML
Reference to an origin 119333581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-17 05:41:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.POPM.HHZ. 2023-07-17T05:35:27.86 3.0 negative manual Pg 5.54 0
IV.BARO.EHZ. 2023-07-17T05:35:24.99 3.0 undecidable manual S 2.08 0
IV.NARO.HHZ. 2023-07-17T05:35:17.30 3.0 undecidable manual S -0.23 0
IV.MPAG.EHZ. 2023-07-17T05:35:16.72 3.0 undecidable manual S 0.36 0
IV.FRON.EHZ. 2023-07-17T05:35:13.16 3.0 undecidable manual S -0.08 0
IV.SSFR.HHZ. 2023-07-17T05:35:10.30 3.0 undecidable manual S 0.05 0
IV.ARVD.HHZ. 2023-07-17T05:35:10.76 3.0 undecidable manual S -0.27 0
IV.FIAM.HHZ. 2023-07-17T05:35:10.60 3.0 undecidable manual S -0.4 0
IV.T0110.HHZ. 2023-07-17T05:35:04.57 3.0 undecidable manual P -0.3 0
IV.NARO.HHZ. 2023-07-17T05:35:04.66 3.0 negative manual P -0.15 0
IV.ATPI.EHZ. 2023-07-17T05:35:04.58 3.0 undecidable manual P 0.79 0
IV.PIEI.HHZ. 2023-07-17T05:35:03.65 3.0 undecidable manual P -0.28 0
IV.MGAB.HHZ. 2023-07-17T05:35:03.34 3.0 undecidable manual P 0.11 0
IV.MPAG.EHZ. 2023-07-17T05:35:03.80 3.0 undecidable manual P -0.35 0
IV.FRON.EHZ. 2023-07-17T05:35:02.36 3.0 undecidable manual P -0.04 0
IV.ATFO.HHZ. 2023-07-17T05:35:01.29 3.0 undecidable manual P 0.17 0
IV.SSFR.HHZ. 2023-07-17T05:35:00.00 3.0 undecidable manual P -0.72 0
IV.GIGS.HHZ. 2023-07-17T05:34:59.33 3.0 undecidable manual P -0.58 0
IV.GUMA.HHZ. 2023-07-17T05:34:58.38 0.6 undecidable manual S 43 24.0537 50 0.57 43
IV.CESX.HHZ. 2023-07-17T05:34:58.52 3.0 positive manual P 0.03 0
IV.ATCC.EHZ. 2023-07-17T05:34:58.18 3.0 positive manual P 0.09 0
IV.PF6.EHN. 2023-07-17T05:34:58.19 0.6 undecidable manual S 11 26.3514 50 -0.24 47
IV.FOSV.EHZ. 2023-07-17T05:34:58.44 3.0 positive manual P -0.11 0
IV.OFFI.HHZ. 2023-07-17T05:34:58.02 3.0 negative manual P 0.46 0
IV.MML1.HNE. 2023-07-17T05:34:58.37 0.6 undecidable manual S 331 26.6511 50 -0.13 48
IV.CING.HHZ. 2023-07-17T05:34:58.33 3.0 negative manual P -0.43 0
IV.TERO.HHZ. 2023-07-17T05:34:57.62 3.0 negative manual P -0.4 0
IV.ARRO.EHZ. 2023-07-17T05:34:57.27 3.0 positive manual P 0.18 0
IV.CSP1.EHZ. 2023-07-17T05:34:57.10 0.6 undecidable manual S 16 21.5673 116 -0.04 49
IV.CAMP.HHZ. 2023-07-17T05:34:57.04 3.0 undecidable manual P -0.34 0
IV.RM33.EHZ. 2023-07-17T05:34:56.86 3.0 undecidable manual P 0 0
IV.SNTG.HHZ. 2023-07-17T05:34:56.70 3.0 positive manual P -0.15 0
IV.CESI.HNZ. 2023-07-17T05:34:56.95 0.6 undecidable manual S 301 21.5673 116 -0.19 48
IV.ASSB.HHZ. 2023-07-17T05:34:56.24 3.0 undecidable manual P -0.22 0
IV.SMA1.EHZ. 2023-07-17T05:34:55.73 3.0 negative manual P 0.32 0
IV.MMO1.EHZ. 2023-07-17T05:34:55.16 0.6 undecidable manual S 92 15.7731 124 -0.23 48
IV.SAP2.EHZ. 2023-07-17T05:34:55.34 3.0 negative manual P 0.11 0
IV.FDMO.HHZ. 2023-07-17T05:34:55.13 0.6 undecidable manual S 346 15.0738 125 -0.06 50
IV.MF5.EHZ. 2023-07-17T05:34:54.87 3.0 positive manual P 0.02 0
IV.MML1.HNE. 2023-07-17T05:34:54.25 0.3 undecidable manual P 331 26.6511 50 -0.15 71
7F.SIB2.EHZ. 2023-07-17T05:34:54.60 0.6 undecidable manual S 96 13.9749 127 -0.28 47
IT.MTCL.HGZ. 2023-07-17T05:34:54.94 0.6 undecidable manual S 313 14.6742 126 -0.13 49
IV.LNSS.HHZ. 2023-07-17T05:34:54.79 3.0 undecidable manual P -0.32 0
IV.GUMA.HHZ. 2023-07-17T05:34:54.20 0.1 positive manual P 43 24.0537 50 0.19 95
IV.PF6.EHN. 2023-07-17T05:34:54.16 0.1 undecidable manual P 11 26.3514 50 -0.2 94
IV.MTRA.EHZ. 2023-07-17T05:34:54.61 3.0 undecidable manual P 0.23 0
7F.SIB1.EHN. 2023-07-17T05:34:54.31 0.6 undecidable manual S 95 11.1777 133 0.17 49
IV.CSP1.EHZ. 2023-07-17T05:34:53.55 0.1 negative manual P 16 21.5673 116 -0.07 98
IV.CESI.HNZ. 2023-07-17T05:34:53.61 0.3 negative manual P 301 21.5673 116 -0.01 74
IV.NRCA.HHZ. 2023-07-17T05:34:53.28 0.6 undecidable manual S 191 7.9809 143 -0.11 50
7F.SIB3.EHZ. 2023-07-17T05:34:53.95 0.6 undecidable manual S 106 11.6772 132 -0.3 47
IV.FEMA.HNZ. 2023-07-17T05:34:53.87 0.6 undecidable manual S 314 9.2796 139 0.2 49
7F.SIB1.EHN. 2023-07-17T05:34:52.08 0.3 undecidable manual P 95 11.1777 133 0.19 73
IV.FDMO.HHZ. 2023-07-17T05:34:52.53 0.1 undecidable manual P 346 15.0738 125 0.04 100
7F.SIB2.EHZ. 2023-07-17T05:34:52.27 0.3 undecidable manual P 96 13.9749 127 -0.04 75
IT.MTCL.HGZ. 2023-07-17T05:34:52.44 0.1 negative manual P 313 14.6742 126 0.02 100
IV.MMO1.EHZ. 2023-07-17T05:34:52.55 0.3 undecidable manual P 92 15.7731 124 -0.06 74
IV.FEMA.HNZ. 2023-07-17T05:34:51.89 0.1 negative manual P 314 9.2796 139 0.28 96
IV.MC2.EHE. 2023-07-17T05:34:51.43 0.3 undecidable manual P 80 4.6953 156 0.32 72
IV.NRCA.HHZ. 2023-07-17T05:34:51.47 0.3 undecidable manual P 191 7.9809 143 0.02 76
7F.SIB3.EHZ. 2023-07-17T05:34:51.89 0.3 undecidable manual P 106 11.6772 132 -0.06 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:2.9 0.0105243305 0.0896 AML other m 2023-07-17T05:34:53.30
IV.NRCA.HHN. ML:2.9 0.0113357925 0.08 AML other m 2023-07-17T05:34:53.30
IV.NRCA.HNE. ML:2.9 0.010055718 0.1696 AML other m 2023-07-17T05:34:53.39
IV.NRCA.HHE. ML:2.9 0.011649999999999999 0.16 AML other m 2023-07-17T05:34:53.39
IV.FEMA.HNE. ML:2.9 0.009773519 0.2592 AML other m 2023-07-17T05:34:54.07
IT.MTCL.HGE. ML:4.6 0.35705825 0.0608 AML other m 2023-07-17T05:34:55.10
IV.FEMA.HNN. ML:2.5 0.004058502499999999 0.08 AML other m 2023-07-17T05:34:54.49
IV.FDMO.HHN. ML:2.4 0.0024699999999999995 0.16 AML other m 2023-07-17T05:34:55.44
IT.MTCL.HGN. ML:4.5 0.31614964999999995 0.0608 AML other m 2023-07-17T05:34:55.05
IV.FDMO.HHE. ML:2.4 0.002479428 0.2208 AML other m 2023-07-17T05:34:55.29
IV.CSP1.EHE. ML:2.9 0.00553352 0.16 AML other m 2023-07-17T05:34:57.24
IV.CESI.HHN. ML:2.9 0.0059623975 0.2016 AML other m 2023-07-17T05:34:57.33
IV.CESI.HHE. ML:2.6 0.0027760195 0.0992 AML other m 2023-07-17T05:34:57.33
IV.CESI.HNN. ML:2.9 0.0057788155 0.2112 AML other m 2023-07-17T05:34:57.33
IV.CESI.HNE. ML:2.5 0.002158684 0.0896 AML other m 2023-07-17T05:34:57.34
IV.CSP1.EHN. ML:2.9 0.005613216 0.16 AML other m 2023-07-17T05:34:57.23
IV.GUMA.HHN. ML:2.7 0.0033494385 0.2624 AML other m 2023-07-17T05:34:58.48
IV.MTRA.EHE. ML:2.1 0.000656 0.2 AML other m 2023-07-17T05:34:58.96
IV.MTRA.HNE. ML:2.1 0.000648 0.2 AML other m 2023-07-17T05:34:58.96
IV.MTRA.EHN. ML:2.1 0.0006655 0.18 AML other m 2023-07-17T05:34:58.94
IV.MTRA.HNN. ML:2.0 0.000642 0.18 AML other m 2023-07-17T05:34:58.85
IV.GUMA.HNE. ML:2.6 0.0026433705 0.3008 AML other m 2023-07-17T05:34:58.48
IV.MF5.EHE. ML:2.6 0.0022249999999999995 0.22 AML other m 2023-07-17T05:35:00.15
IV.MF5.EHN. ML:2.4 0.0014100000000000002 0.2 AML other m 2023-07-17T05:35:00.17
IV.SAP2.EHN. ML:3.2 0.007031641000000001 0.1984 AML other m 2023-07-17T05:35:00.64
IV.LNSS.HNE. ML:2.4 0.00103557665 0.1824 AML other m 2023-07-17T05:35:01.20
IV.SAP2.EHE. ML:2.4 0.001238 0.22 AML other m 2023-07-17T05:35:00.81
IV.GUMA.HNN. ML:2.8 0.00424 0.46 AML other m 2023-07-17T05:35:01.23
IV.LNSS.HHE. ML:2.4 0.0011579915 0.1792 AML other m 2023-07-17T05:35:01.28
IV.LNSS.HNN. ML:2.4 0.00108414335 0.16 AML other m 2023-07-17T05:35:01.34
IV.LNSS.HHN. ML:2.4 0.0011564999999999998 0.16 AML other m 2023-07-17T05:35:01.34
IV.GUMA.HHE. ML:2.8 0.0038076055 0.4224 AML other m 2023-07-17T05:35:01.24
IV.ASSB.HHE. ML:2.2 0.0004734588 0.2592 AML other m 2023-07-17T05:35:02.67
IV.ASSB.HHN. ML:2.1 0.0004558663 0.08 AML other m 2023-07-17T05:35:03.11
IV.SNTG.HHE. ML:1.9 0.0002485 0.18 AML other m 2023-07-17T05:35:03.28
IV.SNTG.HNN. ML:2.0 0.0002965 0.14 AML other m 2023-07-17T05:35:03.41
IV.SNTG.HNE. ML:2.0 0.0003407839 0.1792 AML other m 2023-07-17T05:35:03.35
IV.CAMP.HHN. ML:1.6 0.0001126248 0.4224 AML other m 2023-07-17T05:35:04.41
IV.SNTG.HHN. ML:1.7 0.0001618752 0.1216 AML other m 2023-07-17T05:35:03.93
IV.SMA1.EHN. ML:2.0 0.00036154955 0.2784 AML other m 2023-07-17T05:35:05.51
IV.RM33.EHE. ML:2.0 0.00027684940000000005 0.1408 AML other m 2023-07-17T05:35:05.17
IV.SMA1.EHE. ML:1.9 0.0003168494 0.4992 AML other m 2023-07-17T05:35:06.94
IV.RM33.EHN. ML:2.1 0.00035499999999999996 1.78 AML other m 2023-07-17T05:35:05.98
IV.CAMP.HHE. ML:1.6 0.0001061 0.72 AML other m 2023-07-17T05:35:05.43
IV.FOSV.EHE. ML:1.9 0.0001853358 0.2208 AML other m 2023-07-17T05:35:07.53
IV.TERO.HHE. ML:1.7 0.00014115529999999998 0.1216 AML other m 2023-07-17T05:35:06.67
IV.OFFI.HHN. ML:2.3 0.0005960000000000001 0.4 AML other m 2023-07-17T05:35:06.98
IV.CING.HHN. ML:2.0 0.00024055005 0.1184 AML other m 2023-07-17T05:35:06.98
IV.ARRO.EHN. ML:2.0 0.000295 1.78 AML other m 2023-07-17T05:35:06.98
IV.ARRO.EHE. ML:2.1 0.00033 1.78 AML other m 2023-07-17T05:35:07.99
IV.ATCC.EHE. ML:1.9 0.00021362804999999998 0.1184 AML other m 2023-07-17T05:35:06.47
IV.CING.HHE. ML:2.1 0.00028179635 0.32 AML other m 2023-07-17T05:35:08.87
IV.FOSV.HNN. ML:1.8 0.00015164975 0.3296 AML other m 2023-07-17T05:35:06.63
IV.FOSV.EHN. ML:1.8 0.000171757405 0.2592 AML other m 2023-07-17T05:35:07.90
IV.FOSV.HNE. ML:1.9 0.00018525585 0.24 AML other m 2023-07-17T05:35:06.21
IV.CESX.HHE. ML:2.1 0.0003076910000000001 0.3424 AML other m 2023-07-17T05:35:08.53
IV.TERO.HHN. ML:1.8 0.00015786345 0.1408 AML other m 2023-07-17T05:35:06.74
IV.ATCC.EHN. ML:1.8 0.0001575995 0.3808 AML other m 2023-07-17T05:35:13.26
IV.CESX.HHN. ML:2.1 0.00029821430000000004 0.5824 AML other m 2023-07-17T05:35:08.88
IV.GIGS.HHN. ML:1.1 0.000027404489999999998 0.1024 AML other m 2023-07-17T05:35:08.89
IV.GIGS.HHE. ML:1.2 0.0000283 0.76 AML other m 2023-07-17T05:35:09.16
IV.SSFR.HHE. ML:2.4 0.000412 0.28 AML other m 2023-07-17T05:35:10.52
IV.SSFR.HNE. ML:2.4 0.000447504 0.1504 AML other m 2023-07-17T05:35:10.61
IV.SSFR.HNN. ML:2.2 0.00030748925000000007 0.192 AML other m 2023-07-17T05:35:12.45
IV.FRON.EHE. ML:1.8 0.00010415 0.2 AML other m 2023-07-17T05:35:12.85
IV.SSFR.HHN. ML:2.1 0.00024160409999999998 0.2176 AML other m 2023-07-17T05:35:15.96
IV.OFFI.HHE. ML:2.2 0.000447 1.5 AML other m 2023-07-17T05:35:14.00
IV.MGAB.HHN. ML:2.1 0.000178 1.58 AML other m 2023-07-17T05:35:15.18
IV.FRON.EHN. ML:1.9 0.00010817251 0.32 AML other m 2023-07-17T05:35:16.12
IV.MPAG.EHN. ML:1.8 0.000072 0.3 AML other m 2023-07-17T05:35:16.93
IV.ATFO.HHE. ML:1.7 0.00009659999999999999 1.62 AML other m 2023-07-17T05:35:17.87
IV.MGAB.HHE. ML:2.0 0.00011949999999999999 0.34 AML other m 2023-07-17T05:35:17.69
IV.MPAG.EHE. ML:1.7 0.00006670865 0.3776 AML other m 2023-07-17T05:35:20.14
IV.ATPI.EHE. ML:1.6 0.000044999999999999996 0.38 AML other m 2023-07-17T05:35:18.84
IV.PIEI.HHE. ML:1.6 0.00005433996 0.16 AML other m 2023-07-17T05:35:19.19
IV.NARO.HHE. ML:1.7 0.000054600000000000006 0.26 AML other m 2023-07-17T05:35:20.33
IV.PIEI.HHN. ML:1.7 0.0000634 0.18 AML other m 2023-07-17T05:35:20.77
IV.ATPI.EHN. ML:1.6 0.00004845 0.6 AML other m 2023-07-17T05:35:22.51
IV.ATFO.HHN. ML:1.6 0.00006884079 0.4384 AML other m 2023-07-17T05:35:19.07
IV.T0110.HHN. ML:2.0 0.00012625 0.34 AML other m 2023-07-17T05:35:26.07
IV.NARO.HHN. ML:1.6 0.000046 0.46 AML other m 2023-07-17T05:35:26.11
IV.T0110.HHE. ML:2.0 0.00010855000000000001 0.54 AML other m 2023-07-17T05:35:28.56
IV.RM33.HNE. ML:2.0 0.00027641149999999996 0.1504 AML other m 2023-07-17T05:35:05.17
IV.RM33.HNN. ML:2.1 0.00039081844999999996 0.2304 AML other m 2023-07-17T05:35:04.97
IV.TERO.HNE. ML:1.6 0.00010697190000000001 0.768 AML other m 2023-07-17T05:35:17.82
IV.TERO.HNN. ML:1.9 0.00020050455 0.368 AML other m 2023-07-17T05:35:08.77
IV.ATCC.HNE. ML:1.9 0.00021667631999999998 0.128 AML other m 2023-07-17T05:35:06.47
IV.ATCC.HNN. ML:1.9 0.00018981224999999998 0.3808 AML other m 2023-07-17T05:35:12.54
IV.CING.HNE. ML:3.3 0.004816692500000001 0.6784 AML other m 2023-07-17T05:34:57.97
IV.CING.HNN. ML:3.3 0.005462664 0.6304 AML other m 2023-07-17T05:35:13.17
IV.ATFO.HNE. ML:1.8 0.000110183135 0.3712 AML other m 2023-07-17T05:35:15.40
IV.ATFO.HNN. ML:1.8 0.00010091927250000001 0.3712 AML other m 2023-07-17T05:35:19.12
IV.MGAB.HNE. ML:2.2 0.00018760290000000002 0.7616 AML other m 2023-07-17T05:35:23.21
IV.MGAB.HNN. ML:2.2 0.00018407516499999998 0.3904 AML other m 2023-07-17T05:35:17.97
IV.PIEI.HNE. ML:2.0 0.00011565927649999999 0.608 AML other m 2023-07-17T05:35:12.51
IV.PIEI.HNN. ML:2.0 0.00011736997000000001 0.448 AML other m 2023-07-17T05:35:34.10
IV.MPAG.HNE. ML:3.0 0.0012650799 0.5696 AML other m 2023-07-17T05:35:15.04
IV.MPAG.HNN. ML:3.0 0.00134424495 0.5792 AML other m 2023-07-17T05:35:15.04
IV.ATPI.HNE. ML:2.0 0.00013460758 1.1616 AML other m 2023-07-17T05:35:09.01
IV.ATPI.HNN. ML:2.0 0.00012440472999999998 0.672 AML other m 2023-07-17T05:35:11.69
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