Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 18-05-2023 and time 19:54:54 (Italy) in region 7 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 2.0 earthquake occured in region: 7 km SE Castelsantangelo sul Nera (MC), on

  • 18-05-2023 17:54:54 (UTC)
  • 18-05-2023 19:54:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8470, 13.2170 at 6 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 8 281 281
Montegallo AP 10 523 804
Arquata del Tronto AP 11 1178 1982
Montemonaco AP 11 604 2586
Norcia PG 12 4957 7543
Ussita MC 13 444 7987
Visso MC 14 1107 9094
Montefortino FM 15 1178 10272
Preci PG 15 724 10996
Bolognola MC 17 142 11138
Accumoli RI 17 667 11805
Acquasanta Terme AP 18 2916 14721
Amandola FM 19 3629 18350

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Foligno (57155 inhabitants)
45 Km W of Teramo (54892 inhabitants)
56 Km NE of Terni (111501 inhabitants)
57 Km N of L'Aquila (69753 inhabitants)
73 Km E of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
89 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 2.0 2023-05-18
17:54:54		 42.847 13.2173 6 2023-05-18
18:06:21		 Sala Sismica INGV-Roma 117459481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-18 17:54:54 ± 0.05
Latitude 42.8470 ± 0.0027
Longitude 13.2173 ± 0.0037
Depth (km) 6 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117459481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 310
Semi-minor axis of confidence ellipse (meter) 154
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 229
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
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 70
Number of defining phases 59
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) 0.84716
Number of stations at which the event was observed 42
Number of stations from which data was used for origin computation 33
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 80
Type of magnitude ML
Reference to an origin 117459481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-18 18:06:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT14.EHZ. 2023-05-18T17:56:00.92 3.0 undecidable manual Sn 1.17 0
GU.GSCL.HHZ. 2023-05-18T17:55:38.68 3.0 negative manual Pg 4.89 0
IV.SGRT.HHZ. 2023-05-18T17:55:31.13 3.0 undecidable manual Pn 0.61 0
IV.FRON.EHZ. 2023-05-18T17:55:21.62 3.0 undecidable manual S 0.16 0
IV.SSFR.HHZ. 2023-05-18T17:55:18.22 0.6 undecidable manual S 332 74.2701 50 0.56 40
IV.FIAM.HHZ. 2023-05-18T17:55:15.20 3.0 undecidable manual S -0.44 0
IV.FOSV.EHZ. 2023-05-18T17:55:14.44 0.6 undecidable manual S 323 61.8936 50 0.08 45
IV.CING.HHZ. 2023-05-18T17:55:14.03 0.3 undecidable manual S 358 58.6968 50 0.54 62
IV.EL6.EHZ. 2023-05-18T17:55:12.80 0.6 undecidable manual S 350 54.3012 50 0.47 42
IV.MPAG.EHZ. 2023-05-18T17:55:11.62 3.0 negative manual P 0.37 0
IV.MGAB.HHZ. 2023-05-18T17:55:11.07 3.0 positive manual P 0.7 0
IV.GIGS.HHZ. 2023-05-18T17:55:11.80 0.6 undecidable manual S 146 52.4031 50 -0.03 47
IV.ASSB.HHZ. 2023-05-18T17:55:11.10 0.6 undecidable manual S 296 50.3163 50 -0.16 46
IV.NARO.HHZ. 2023-05-18T17:55:11.79 3.0 undecidable manual P -0.23 0
IV.ATPI.EHZ. 2023-05-18T17:55:11.02 1.0 positive manual P 316 94.0392 50 0.18 21
IV.T0110.HHZ. 2023-05-18T17:55:09.17 3.0 undecidable manual P -0.28 0
IV.MNTT.EHZ. 2023-05-18T17:55:08.56 1.0 undecidable manual S 52 38.9277 99 0.55 21
IV.ATFO.HHZ. 2023-05-18T17:55:08.41 0.3 negative manual P 318 77.8665 50 0.06 66
IV.OFFI.HHZ. 2023-05-18T17:55:08.32 0.6 undecidable manual S 75 39.3273 99 0.17 46
IV.FRON.EHZ. 2023-05-18T17:55:08.95 3.0 positive manual P -0.61 0
IV.SSFR.HHZ. 2023-05-18T17:55:07.91 0.1 positive manual P 332 74.2701 50 0.11 88
IV.CAMP.HHZ. 2023-05-18T17:55:07.02 0.6 undecidable manual S 156 37.9287 100 -0.65 41
IV.MURB.HHZ. 2023-05-18T17:55:07.60 0.3 negative manual P 310 72.6717 50 0.05 67
IV.RM33.EHZ. 2023-05-18T17:55:07.55 0.6 undecidable manual S 180 37.5291 100 0.02 48
IV.TERO.HHZ. 2023-05-18T17:55:07.96 0.6 undecidable manual S 128 40.1265 99 -0.47 44
IV.MML1.EHZ. 2023-05-18T17:55:06.79 0.6 undecidable manual S 326 35.6421 100 -0.11 47
IV.CING.HHZ. 2023-05-18T17:55:05.04 0.6 positive manual P 358 58.6968 50 -0.36 43
IV.FIAM.HHZ. 2023-05-18T17:55:05.89 3.0 positive manual P -0.4 0
IV.ATCC.EHZ. 2023-05-18T17:55:05.18 1.0 positive manual P 309 59.9955 50 -0.42 21
IV.CESI.HHZ. 2023-05-18T17:55:05.56 0.6 undecidable manual S 305 30.8469 102 0.29 46
IV.LNSS.HHZ. 2023-05-18T17:55:05.98 0.6 undecidable manual S 208 30.6471 102 0.77 39
IV.GAVE.EHZ. 2023-05-18T17:55:05.77 0.6 undecidable manual S 237 31.4463 101 0.31 46
IV.FOSV.EHZ. 2023-05-18T17:55:05.53 0.3 positive manual P 323 61.8936 50 -0.37 64
IV.EL6.EHZ. 2023-05-18T17:55:04.17 1.0 negative manual P 350 54.3012 50 -0.55 21
IV.GUMA.HHZ. 2023-05-18T17:55:04.23 0.6 undecidable manual S 22 25.752 104 0.69 41
IV.SMA1.EHZ. 2023-05-18T17:55:04.05 0.6 undecidable manual S 158 25.8519 104 0.47 45
IV.MOMA.HHZ. 2023-05-18T17:55:04.40 0.6 undecidable manual P 265 52.9026 50 -0.11 46
IV.GIGS.HHZ. 2023-05-18T17:55:04.11 0.6 undecidable manual P 146 52.4031 50 -0.33 44
IV.ASSB.HHZ. 2023-05-18T17:55:03.49 0.1 negative manual P 296 50.3163 50 -0.62 81
IV.CSP1.EHZ. 2023-05-18T17:55:03.92 0.6 undecidable manual S 358 27.1506 103 -0.09 48
IV.SNTG.HHZ. 2023-05-18T17:55:03.71 0.6 undecidable manual P 334 50.5161 50 -0.43 43
IT.MTCL.HGE. 2023-05-18T17:55:03.02 0.6 undecidable manual S 313 24.0537 105 0.05 49
IV.MNTT.EHZ. 2023-05-18T17:55:02.72 0.3 negative manual P 52 38.9277 99 0.49 65
IV.OFFI.HHZ. 2023-05-18T17:55:02.96 0.3 negative manual P 75 39.3273 99 0.65 61
IV.FDMO.HHZ. 2023-05-18T17:55:02.34 0.3 undecidable manual S 333 23.5542 105 -0.45 68
IV.RM33.EHZ. 2023-05-18T17:55:01.66 0.6 negative manual P 180 37.5291 100 -0.29 45
IV.TERO.HHZ. 2023-05-18T17:55:01.94 1.0 negative manual P 128 40.1265 99 -0.53 21
IV.FEMA.HNE. 2023-05-18T17:55:01.64 0.6 undecidable manual S 313 18.6702 109 0.47 45
IV.MML1.EHZ. 2023-05-18T17:55:01.11 0.6 negative manual P 326 35.6421 100 -0.48 44
IV.MTRA.EHZ. 2023-05-18T17:55:01.41 0.6 undecidable manual S 124 17.6712 110 0.55 44
IV.CAMP.HHZ. 2023-05-18T17:55:01.60 1.0 undecidable manual P 156 37.9287 100 -0.43 22
IV.LNSS.HHZ. 2023-05-18T17:55:00.49 0.1 undecidable manual P 208 30.6471 102 -0.12 95
IV.GAVE.EHZ. 2023-05-18T17:55:00.70 0.1 negative manual P 237 31.4463 101 -0.06 97
IV.CESI.HHZ. 2023-05-18T17:55:00.43 0.1 undecidable manual P 305 30.8469 102 -0.21 94
IV.CSP1.EHZ. 2023-05-18T17:54:59.66 0.6 undecidable manual P 358 27.1506 103 -0.26 47
IV.GUMA.HHZ. 2023-05-18T17:54:59.80 0.1 positive manual P 22 25.752 104 0.15 96
IV.SMA1.EHZ. 2023-05-18T17:54:59.74 0.3 positive manual P 158 25.8519 104 0.07 73
IT.MTCL.HGE. 2023-05-18T17:54:59.17 0.1 undecidable manual P 313 24.0537 105 -0.15 96
IV.MF5.EHZ. 2023-05-18T17:54:59.79 0.6 positive manual P 52 25.1526 104 0.26 47
IV.NRCA.HHZ. 2023-05-18T17:54:58.52 0.6 undecidable manual S 260 8.4804 127 0.5 46
IV.FDMO.HHZ. 2023-05-18T17:54:58.99 0.6 negative manual P 333 23.5542 105 -0.22 47
IV.MMO1.EHZ. 2023-05-18T17:54:58.42 0.3 undecidable manual S 57 10.5783 121 -0.21 73
IV.FEMA.HNE. 2023-05-18T17:54:58.45 0.3 undecidable manual P 313 18.6702 109 0.17 72
IV.MTRA.EHZ. 2023-05-18T17:54:58.41 0.6 undecidable manual P 124 17.6712 110 0.31 47
7F.SIB2.EHE. 2023-05-18T17:54:57.44 0.6 undecidable manual S 55 8.5803 127 -0.59 44
7F.SIB2.EHE. 2023-05-18T17:54:56.39 0.1 undecidable manual P 55 8.5803 127 -0.08 100
IV.NRCA.HHZ. 2023-05-18T17:54:56.75 0.1 undecidable manual P 260 8.4804 127 0.29 96
IV.MMO1.EHZ. 2023-05-18T17:54:56.80 1.0 undecidable manual P 57 10.5783 121 -0.01 25
7F.SIB3.EHE. 2023-05-18T17:54:56.64 0.6 undecidable manual S 54 5.2947 140 -0.56 45
7F.SIB3.EHE. 2023-05-18T17:54:55.85 0.1 undecidable manual P 54 5.2947 140 -0.14 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:2.9 0.01435 0.4 AML other m 2023-05-18T17:54:58.72
IV.NRCA.HNE. ML:2.9 0.0135 0.4 AML other m 2023-05-18T17:54:58.73
IV.NRCA.HHN. ML:2.7 0.009850000000000001 0.16 AML other m 2023-05-18T17:54:59.01
IV.NRCA.HNN. ML:2.7 0.008765 0.18 AML other m 2023-05-18T17:54:59.01
IV.MMO1.EHE. ML:2.3 0.00316 0.18 AML other m 2023-05-18T17:54:59.59
IV.MMO1.EHN. ML:2.3 0.002885 0.16 AML other m 2023-05-18T17:54:59.65
IV.MTRA.HNN. ML:2.3 0.0020150000000000003 0.52 AML other m 2023-05-18T17:55:02.38
IV.MTRA.EHN. ML:2.3 0.0019950000000000002 0.52 AML other m 2023-05-18T17:55:02.39
IV.MTRA.HNE. ML:2.3 0.001685 0.24 AML other m 2023-05-18T17:55:03.13
IV.MTRA.EHE. ML:2.3 0.0016699999999999998 0.26 AML other m 2023-05-18T17:55:03.13
IV.FDMO.HHN. ML:1.8 0.000388 0.96 AML other m 2023-05-18T17:55:04.32
IV.GUMA.HNE. ML:2.5 0.0018700000000000001 0.46 AML other m 2023-05-18T17:55:04.41
IV.GUMA.HHE. ML:2.7 0.0028650000000000004 0.46 AML other m 2023-05-18T17:55:04.42
IV.GUMA.HNN. ML:2.5 0.0020350000000000004 0.54 AML other m 2023-05-18T17:55:04.39
IV.FDMO.HHE. ML:1.8 0.000455 0.16 AML other m 2023-05-18T17:55:05.10
IV.GUMA.HHN. ML:2.6 0.002335 0.54 AML other m 2023-05-18T17:55:05.38
IV.CSP1.EHN. ML:2.2 0.0009865 0.86 AML other m 2023-05-18T17:55:05.16
IV.CESI.HHN. ML:2.2 0.00076 0.98 AML other m 2023-05-18T17:55:05.25
IV.CSP1.EHE. ML:2.0 0.000601 1.54 AML other m 2023-05-18T17:55:05.80
IV.GAVE.HNN. ML:1.7 0.00026000000000000003 1.08 AML other m 2023-05-18T17:55:06.02
IV.CESI.HHE. ML:2.1 0.0005585 0.18 AML other m 2023-05-18T17:55:06.36
IV.MF5.EHN. ML:1.9 0.0005105 0.48 AML other m 2023-05-18T17:55:06.25
IV.LNSS.HHE. ML:2.0 0.0004395 0.82 AML other m 2023-05-18T17:55:07.44
IV.GAVE.HNE. ML:2.1 0.000619 1.1 AML other m 2023-05-18T17:55:07.13
IV.GAVE.EHN. ML:2.0 0.0005290000000000001 0.18 AML other m 2023-05-18T17:55:07.75
IV.LNSS.HHN. ML:1.9 0.000391 1.26 AML other m 2023-05-18T17:55:08.64
IV.TERO.HNE. ML:2.0 0.00032399999999999996 0.22 AML other m 2023-05-18T17:55:08.16
IV.TERO.HHN. ML:2.1 0.00045699999999999994 0.42 AML other m 2023-05-18T17:55:08.16
IV.TERO.HNN. ML:2.2 0.000512 0.4 AML other m 2023-05-18T17:55:08.18
IV.MML1.HNN. ML:2.0 0.00038250000000000003 0.66 AML other m 2023-05-18T17:55:08.37
IV.MML1.EHN. ML:1.9 0.000315 0.68 AML other m 2023-05-18T17:55:08.05
IV.GAVE.EHE. ML:2.1 0.0005775 0.3 AML other m 2023-05-18T17:55:08.43
IV.TERO.HHE. ML:1.9 0.0002805 0.46 AML other m 2023-05-18T17:55:09.25
IV.RM33.EHE. ML:1.7 0.000202 0.48 AML other m 2023-05-18T17:55:09.19
IV.CAMP.HHE. ML:1.5 0.00011049999999999999 0.42 AML other m 2023-05-18T17:55:09.63
IV.MML1.EHE. ML:1.8 0.0002605 0.2 AML other m 2023-05-18T17:55:10.35
IV.MML1.HNE. ML:1.8 0.000268 0.2 AML other m 2023-05-18T17:55:10.35
IV.RM33.EHN. ML:1.7 0.000193 0.2 AML other m 2023-05-18T17:55:10.76
IV.SMA1.EHE. ML:1.9 0.0004555 0.38 AML other m 2023-05-18T17:55:10.90
IV.CAMP.HHN. ML:1.5 0.0001305 0.4 AML other m 2023-05-18T17:55:10.85
IV.MNTT.EHE. ML:2.2 0.0005825 0.34 AML other m 2023-05-18T17:55:11.23
IV.SMA1.EHN. ML:1.8 0.000373 1.54 AML other m 2023-05-18T17:55:11.94
IV.ASSB.HHE. ML:1.9 0.0002155 0.58 AML other m 2023-05-18T17:55:12.32
IV.ASSB.HHN. ML:2.0 0.000253 0.08 AML other m 2023-05-18T17:55:12.03
IV.GIGS.HHE. ML:1.2 0.00003565 1.18 AML other m 2023-05-18T17:55:12.07
IV.MF5.EHE. ML:1.9 0.0004505 0.54 AML other m 2023-05-18T17:55:12.45
IV.SNTG.HHN. ML:1.6 0.00010395 0.46 AML other m 2023-05-18T17:55:12.60
IV.GIGS.HHN. ML:1.2 0.000038100000000000005 1.36 AML other m 2023-05-18T17:55:12.24
IV.MNTT.EHN. ML:2.4 0.0008674999999999999 0.92 AML other m 2023-05-18T17:55:13.80
IV.SNTG.HHE. ML:1.6 0.0001078 0.68 AML other m 2023-05-18T17:55:13.49
IV.EL6.EHE. ML:1.8 0.00016499999999999997 1.18 AML other m 2023-05-18T17:55:14.59
IV.OFFI.HHE. ML:1.8 0.0002385 0.4 AML other m 2023-05-18T17:55:15.02
IV.FOSV.EHE. ML:1.8 0.0001185 0.74 AML other m 2023-05-18T17:55:15.70
IV.CING.HHN. ML:1.7 0.00010035 1.5 AML other m 2023-05-18T17:55:15.05
IV.FOSV.EHN. ML:1.9 0.000169 0.22 AML other m 2023-05-18T17:55:15.80
IV.ATCC.EHE. ML:1.9 0.0001505 0.42 AML other m 2023-05-18T17:55:16.49
IV.ATCC.EHN. ML:1.8 0.00014700000000000002 0.6 AML other m 2023-05-18T17:55:16.40
IV.CING.HHE. ML:1.6 0.0000953 0.48 AML other m 2023-05-18T17:55:16.80
IV.FIAM.HHN. ML:1.5 0.00005505 1.1 AML other m 2023-05-18T17:55:16.38
IV.NARO.HHN. ML:1.4 0.000027249999999999998 0.42 AML other m 2023-05-18T17:55:17.23
IV.EL6.EHN. ML:2.1 0.000319 0.86 AML other m 2023-05-18T17:55:18.58
IV.SSFR.HHN. ML:2.2 0.000249 0.6 AML other m 2023-05-18T17:55:19.49
IV.SSFR.HHE. ML:2.1 0.00021349999999999999 0.22 AML other m 2023-05-18T17:55:20.49
IV.MURB.HHN. ML:2.0 0.0001805 0.44 AML other m 2023-05-18T17:55:21.59
IV.T0110.HHE. ML:1.9 0.0001065 1.48 AML other m 2023-05-18T17:55:21.12
IV.ATFO.HHN. ML:1.6 0.000052900000000000005 1.1 AML other m 2023-05-18T17:55:21.33
IV.OFFI.HHN. ML:1.9 0.0002745 0.62 AML other m 2023-05-18T17:55:22.48
IV.SSFR.HNN. ML:2.3 0.000279 1.24 AML other m 2023-05-18T17:55:23.77
IV.FRON.EHN. ML:1.8 0.00009070000000000001 1.48 AML other m 2023-05-18T17:55:23.89
IV.SSFR.HNE. ML:2.2 0.00027100000000000003 0.42 AML other m 2023-05-18T17:55:23.71
IV.FRON.EHE. ML:1.7 0.0000654 0.72 AML other m 2023-05-18T17:55:23.89
IV.ATFO.HHE. ML:1.6 0.00005715 0.48 AML other m 2023-05-18T17:55:23.65
IV.T0110.HHN. ML:2.0 0.0001214 1.5 AML other m 2023-05-18T17:55:24.80
IV.FIAM.HHE. ML:1.4 0.00005135000000000001 0.94 AML other m 2023-05-18T17:55:24.09
IV.MURB.HHE. ML:2.2 0.00027150000000000004 0.32 AML other m 2023-05-18T17:55:24.60
IV.ATPI.EHE. ML:1.4 0.00002735 0.94 AML other m 2023-05-18T17:55:26.26
IV.MGAB.HHN. ML:1.8 0.00006254999999999999 0.62 AML other m 2023-05-18T17:55:27.50
IV.MGAB.HHE. ML:1.7 0.000057 0.36 AML other m 2023-05-18T17:55:28.78
IV.ATPI.EHN. ML:1.4 0.0000282 1 AML other m 2023-05-18T17:55:34.52
IV.NARO.HHE. ML:1.5 0.0000308 1.02 AML other m 2023-05-18T17:55:34.34
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