Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 30-08-2020 and time 19:25:59 (Italy) in region 7 km S Castelsantangelo sul Nera (MC)

A magnitude ML 2.3 earthquake occured in region: 7 km S Castelsantangelo sul Nera (MC), on

  • 30-08-2020 17:25:59 (UTC)
  • 30-08-2020 19:25:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8370, 13.1740 at 9 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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
Norcia PG 8 4957 5238
Preci PG 12 724 5962
Ussita MC 12 444 6406
Arquata del Tronto AP 12 1178 7584
Visso MC 13 1107 8691
Montegallo AP 13 523 9214
Montemonaco AP 14 604 9818
Accumoli RI 17 667 10485
Bolognola MC 18 142 10627
Montefortino FM 18 1178 11805
Cascia PG 19 3217 15022

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Foligno (57155 inhabitants)
48 Km W of Teramo (54892 inhabitants)
53 Km NE of Terni (111501 inhabitants)
57 Km NW of L'Aquila (69753 inhabitants)
71 Km E of Perugia (166134 inhabitants)
88 Km W of Montesilvano (53738 inhabitants)
91 Km SW of Ancona (100861 inhabitants)
95 Km W of Pescara (121014 inhabitants)
98 Km NW of Chieti (51815 inhabitants)
99 Km E of Viterbo (67173 inhabitants)
100 Km NE of Guidonia Montecelio (88673 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 2.3 2020-08-30
17:25:59		 42.8373 13.1735 9 2020-11-19
12:37:01		 Bollettino Sismico Italiano INGV 82902561
Reviewed
Rev100 		ML 2.3 2020-08-30
17:25:59		 42.8412 13.1748 10 2020-08-30
17:33:02		 Sala Sismica INGV-Roma 82474511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-30 17:25:59 ± 0.05
Latitude 42.8373 ± 0.0027
Longitude 13.1735 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82902561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 253
Semi-minor axis of confidence ellipse (meter) 194
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 63
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
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 73
Number of defining phases 73
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.04317
Epicentral distance of station farthest from the epicenter (degree) 0.98566
Number of stations at which the event was observed 42
Number of stations from which data was used for origin computation 42
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 78
Type of magnitude ML
Reference to an origin 82902561
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-11-15 02:22:52

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 84
Type of magnitude ML
Reference to an origin 82474511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-30 17:33:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2020-08-30T17:26:23.48 0.6 undecidable manual S 346 75.6687 50 0.73 37
IV.ATFO.HHZ. 2020-08-30T17:26:23.27 0.6 undecidable manual S 320 76.2681 50 0.34 42
IV.SSFR.HHZ. 2020-08-30T17:26:22.88 0.6 undecidable manual S 335 73.5708 50 0.68 38
IV.MURB.HHZ. 2020-08-30T17:26:21.52 1.0 undecidable manual S 312 70.6737 50 0.1 22
IV.ATCC.EHZ. 2020-08-30T17:26:18.31 0.6 undecidable manual S 312 57.9975 50 0.28 44
IV.FOSV.EHZ. 2020-08-30T17:26:18.77 1.0 undecidable manual S 327 60.7947 50 0 23
IV.BADI.EHZ. 2020-08-30T17:26:17.91 0.3 undecidable manual P 315 105.9162 50 0.3 60
IV.EL6.EHZ. 2020-08-30T17:26:17.59 0.6 undecidable manual S 354 54.9006 50 0.38 43
IV.INTR.HHZ. 2020-08-30T17:26:17.70 0.3 undecidable manual P 147 109.4127 50 -0.46 57
IV.CESX.HHZ. 2020-08-30T17:26:17.32 0.6 undecidable manual S 242 54.1014 50 0.31 44
IV.NARO.HHZ. 2020-08-30T17:26:16.29 0.3 undecidable manual P 331 98.2239 50 -0.15 63
IV.MOMA.HHZ. 2020-08-30T17:26:16.53 1.0 undecidable manual S 266 49.2174 50 0.83 19
IV.MGAB.HHZ. 2020-08-30T17:26:15.07 0.3 undecidable manual P 276 86.6466 50 0.42 61
IV.MPAG.EHZ. 2020-08-30T17:26:15.85 0.3 undecidable manual P 339 94.0392 50 0.08 64
IV.COR1.EHZ. 2020-08-30T17:26:15.76 0.3 undecidable manual P 351 89.244 50 0.72 54
IV.ASSB.HHZ. 2020-08-30T17:26:15.04 0.3 undecidable manual S 299 47.619 50 -0.22 68
IV.OFFI.HHZ. 2020-08-30T17:26:14.96 0.6 undecidable manual S 75 43.0236 50 0.92 36
IV.ARRO.EHZ. 2020-08-30T17:26:14.42 0.6 undecidable manual S 229 43.9227 50 0.15 46
IV.MNTT.EHZ. 2020-08-30T17:26:14.85 0.6 undecidable manual S 54 42.4242 50 0.98 35
IV.ATPI.EHZ. 2020-08-30T17:26:14.75 0.3 undecidable manual P 318 92.3409 50 -0.77 53
IV.TERO.HHZ. 2020-08-30T17:26:13.56 0.6 undecidable manual S 124 42.4242 50 -0.31 45
IV.FRON.EHZ. 2020-08-30T17:26:13.92 0.1 undecidable manual P 335 83.7495 50 -0.27 84
IV.T0110.HHZ. 2020-08-30T17:26:13.74 0.3 undecidable manual P 144 83.5497 50 -0.43 61
IV.MURB.HHZ. 2020-08-30T17:26:12.12 0.1 negative manual P 312 70.6737 50 -0.06 90
IV.SSFR.HHZ. 2020-08-30T17:26:12.40 0.3 undecidable manual P 335 73.5708 50 -0.23 65
IV.ARVD.HHZ. 2020-08-30T17:26:12.65 0.1 undecidable manual P 346 75.6687 50 -0.3 85
IV.ATFO.HHZ. 2020-08-30T17:26:12.99 0.1 undecidable manual P 320 76.2681 50 -0.06 89
IV.RM33.EHZ. 2020-08-30T17:26:12.29 0.6 undecidable manual S 175 36.6411 50 -0.03 48
IV.FAGN.HHZ. 2020-08-30T17:26:12.99 0.3 undecidable manual P 152 71.7726 50 0.64 58
IV.CAMP.HHZ. 2020-08-30T17:26:12.38 0.6 undecidable manual S 150 38.5281 50 -0.48 44
IV.SAP2.EHZ. 2020-08-30T17:26:11.84 0.6 undecidable manual S 32 34.1436 50 0.18 47
IV.LNSS.HHZ. 2020-08-30T17:26:10.02 0.3 undecidable manual S 203 28.1496 107 0.22 71
IV.ATCC.EHZ. 2020-08-30T17:26:10.04 0.1 undecidable manual P 312 57.9975 50 -0.19 90
IV.FOSV.EHZ. 2020-08-30T17:26:10.39 0.1 positive manual P 327 60.7947 50 -0.26 88
IV.FIAM.HHZ. 2020-08-30T17:26:10.79 0.3 undecidable manual P 184 63.2922 50 -0.26 66
IV.MF5.EHZ. 2020-08-30T17:26:10.19 0.3 undecidable manual S 54 28.6491 107 0.25 70
IV.EL6.EHZ. 2020-08-30T17:26:09.33 0.1 undecidable manual P 354 54.9006 50 -0.42 86
IV.GUMA.HHZ. 2020-08-30T17:26:09.68 0.3 undecidable manual S 28 28.2495 107 -0.13 72
IV.CESX.HHZ. 2020-08-30T17:26:09.68 0.1 undecidable manual P 242 54.1014 50 0.05 93
IV.CESI.HNZ. 2020-08-30T17:26:09.54 0.3 undecidable manual S 310 28.6491 107 -0.42 68
IV.SMA1.EHZ. 2020-08-30T17:26:09.24 0.3 undecidable manual S 150 26.4513 108 0.01 74
IV.GAVE.EHZ. 2020-08-30T17:26:09.44 0.3 undecidable manual S 235 27.8499 107 -0.25 70
IV.MOMA.HHZ. 2020-08-30T17:26:09.12 0.1 undecidable manual P 266 49.2174 50 0.24 90
IV.CSP1.EHZ. 2020-08-30T17:26:09.23 0.3 undecidable manual S 5 28.3494 107 -0.61 64
IV.MNTT.EHZ. 2020-08-30T17:26:08.20 0.1 undecidable manual P 54 42.4242 50 0.38 89
IV.ASSB.HHZ. 2020-08-30T17:26:08.34 0.1 positive manual P 299 47.619 50 -0.29 90
IV.OFFI.HHZ. 2020-08-30T17:26:08.36 0.1 undecidable manual P 75 43.0236 50 0.44 87
IV.ARRO.EHZ. 2020-08-30T17:26:08.20 0.1 undecidable manual P 229 43.9227 50 0.14 93
IT.MTCL.HGZ. 2020-08-30T17:26:07.68 0.3 undecidable manual S 321 22.3554 111 -0.21 71
IV.FDMO.HHZ. 2020-08-30T17:26:07.55 0.3 undecidable manual S 342 23.1546 110 -0.59 65
IV.TERO.HHZ. 2020-08-30T17:26:07.39 0.1 undecidable manual P 124 42.4242 50 -0.43 88
IV.MTRA.EHZ. 2020-08-30T17:26:07.10 0.3 undecidable manual S 116 20.2686 113 -0.1 73
IV.RM33.EHZ. 2020-08-30T17:26:06.74 0.1 positive manual P 175 36.6411 50 -0.19 93
IV.CAMP.HHZ. 2020-08-30T17:26:06.79 0.1 undecidable manual P 150 38.5281 50 -0.45 88
IV.FEMA.HNZ. 2020-08-30T17:26:06.18 0.3 undecidable manual S 324 17.0718 117 -0.03 75
IV.SAP2.EHZ. 2020-08-30T17:26:06.61 0.1 undecidable manual P 32 34.1436 50 0.06 96
IV.SMA1.EHZ. 2020-08-30T17:26:05.00 0.1 undecidable manual P 150 26.4513 108 -0.14 96
IV.GAVE.EHZ. 2020-08-30T17:26:05.53 0.1 undecidable manual P 235 27.8499 107 0.12 96
IV.CSP1.EHZ. 2020-08-30T17:26:05.17 0.1 positive manual P 5 28.3494 107 -0.33 92
IV.MF5.EHZ. 2020-08-30T17:26:05.55 1.0 positive manual P 54 28.6491 107 0 25
IV.MMO1.EHZ. 2020-08-30T17:26:05.08 0.3 undecidable manual S 61 14.2746 121 -0.27 72
IV.GUMA.HHZ. 2020-08-30T17:26:05.46 0.1 positive manual P 28 28.2495 107 -0.02 98
IV.LNSS.HHZ. 2020-08-30T17:26:05.58 0.1 undecidable manual P 203 28.1496 107 0.11 96
IV.CESI.HNZ. 2020-08-30T17:26:05.48 0.1 undecidable manual P 310 28.6491 107 -0.08 97
IV.MC2.EHZ. 2020-08-30T17:26:04.12 0.3 undecidable manual S 9 8.2806 136 0.4 70
IT.MTCL.HGZ. 2020-08-30T17:26:04.30 0.1 undecidable manual P 321 22.3554 111 -0.07 98
IV.FDMO.HHZ. 2020-08-30T17:26:04.37 0.1 undecidable manual P 342 23.1546 110 -0.15 96
IV.FEMA.HNZ. 2020-08-30T17:26:03.67 0.1 undecidable manual P 324 17.0718 117 0.27 95
IV.MTRA.EHZ. 2020-08-30T17:26:03.98 0.1 positive manual P 116 20.2686 113 0.01 100
IV.NRCA.HNZ. 2020-08-30T17:26:03.57 0.3 undecidable manual S 265 4.7952 151 0.57 67
IV.NRCA.HNZ. 2020-08-30T17:26:02.17 0.1 positive manual P 265 4.7952 151 0.62 88
IV.MC2.EHZ. 2020-08-30T17:26:02.40 0.1 undecidable manual P 9 8.2806 136 0.43 93
IV.MMO1.EHZ. 2020-08-30T17:26:02.94 0.1 undecidable manual P 61 14.2746 121 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FEMA.HNE. ML:2.3 0.001635 0.48 AML other m 2020-08-30T17:26:06.61
IV.FEMA.HNN. ML:2.2 0.0015499999999999997 0.44 AML other m 2020-08-30T17:26:07.26
IV.MTRA.EHE. ML:2.7 0.003675 0.14 AML other m 2020-08-30T17:26:07.74
IV.MTRA.HNE. ML:2.7 0.0036149999999999997 0.14 AML other m 2020-08-30T17:26:07.74
IV.MTRA.HNN. ML:2.6 0.00298 0.16 AML other m 2020-08-30T17:26:07.66
IV.MTRA.EHN. ML:2.6 0.00304 0.16 AML other m 2020-08-30T17:26:07.66
IV.FDMO.HHE. ML:2.2 0.000976 1.3 AML other m 2020-08-30T17:26:08.02
IV.FDMO.HHN. ML:2.2 0.001165 0.14 AML other m 2020-08-30T17:26:08.04
IV.CSP1.EHN. ML:2.4 0.001385 0.66 AML other m 2020-08-30T17:26:09.16
IV.CESI.HHE. ML:2.6 0.002105 0.16 AML other m 2020-08-30T17:26:09.98
IV.CESI.HNE. ML:2.6 0.002075 0.14 AML other m 2020-08-30T17:26:09.98
IV.GAVE.EHE. ML:2.4 0.0014249999999999998 0.46 AML other m 2020-08-30T17:26:10.23
IV.CESI.HHN. ML:2.8 0.00309 0.38 AML other m 2020-08-30T17:26:10.28
IV.CESI.HNN. ML:2.7 0.0028650000000000004 0.4 AML other m 2020-08-30T17:26:10.29
IV.GAVE.HNE. ML:2.4 0.00147 0.16 AML other m 2020-08-30T17:26:10.47
IV.GUMA.HHE. ML:2.5 0.00181 0.24 AML other m 2020-08-30T17:26:10.59
IV.GAVE.EHN. ML:2.3 0.0011200000000000001 0.5 AML other m 2020-08-30T17:26:10.97
IV.CSP1.EHE. ML:2.3 0.0011194999999999998 0.32 AML other m 2020-08-30T17:26:10.62
IV.MF5.EHN. ML:2.4 0.0014550000000000001 1.48 AML other m 2020-08-30T17:26:10.09
IV.MF5.EHE. ML:2.4 0.001285 0.36 AML other m 2020-08-30T17:26:10.83
IV.SMA1.EHN. ML:2.1 0.0006619999999999999 0.2 AML other m 2020-08-30T17:26:10.87
IV.GAVE.HNN. ML:1.9 0.00041500000000000006 1.1 AML other m 2020-08-30T17:26:11.60
IV.SMA1.EHE. ML:2.1 0.0007905 0.64 AML other m 2020-08-30T17:26:11.06
IV.GUMA.HHN. ML:2.5 0.0015249999999999999 0.24 AML other m 2020-08-30T17:26:11.19
IV.LNSS.HHN. ML:2.3 0.001101 1.1 AML other m 2020-08-30T17:26:11.32
IV.LNSS.HHE. ML:2.3 0.00118 0.12 AML other m 2020-08-30T17:26:11.37
IV.CAMP.HHE. ML:2.0 0.0003435 0.46 AML other m 2020-08-30T17:26:12.94
IV.RM33.EHE. ML:2.0 0.0004265 0.6 AML other m 2020-08-30T17:26:12.80
IV.RM33.HNE. ML:2.0 0.00041250000000000005 0.14 AML other m 2020-08-30T17:26:12.80
IV.SAP2.EHN. ML:3.1 0.005445 0.16 AML other m 2020-08-30T17:26:13.05
IV.CAMP.HHN. ML:2.0 0.0003835 0.52 AML other m 2020-08-30T17:26:13.16
IV.SAP2.EHE. ML:2.4 0.0010505 0.58 AML other m 2020-08-30T17:26:13.02
IV.TERO.HNN. ML:2.3 0.0006839999999999999 0.64 AML other m 2020-08-30T17:26:13.84
IV.TERO.HNE. ML:2.3 0.00064 0.76 AML other m 2020-08-30T17:26:14.21
IV.TERO.HHN. ML:2.3 0.000647 0.44 AML other m 2020-08-30T17:26:14.52
IV.TERO.HHE. ML:2.3 0.0006565 1 AML other m 2020-08-30T17:26:14.83
IV.RM33.EHN. ML:1.9 0.000326 0.26 AML other m 2020-08-30T17:26:14.32
IV.RM33.HNN. ML:1.9 0.000322 0.52 AML other m 2020-08-30T17:26:14.71
IV.MOMA.HNN. ML:2.6 0.0010030000000000002 1.3 AML other m 2020-08-30T17:26:15.23
IV.FRON.EHE. ML:1.8 0.00008955 0.48 AML other m 2020-08-30T17:26:15.36
IV.ASSB.HHN. ML:2.3 0.0006025000000000001 0.38 AML other m 2020-08-30T17:26:15.67
IV.MNTT.EHN. ML:2.8 0.00207 0.78 AML other m 2020-08-30T17:26:15.25
IV.ASSB.HHE. ML:2.3 0.0005629999999999999 0.28 AML other m 2020-08-30T17:26:16.09
IV.ARRO.EHN. ML:1.9 0.000236 0.14 AML other m 2020-08-30T17:26:16.23
IV.ARRO.EHE. ML:1.9 0.00022999999999999998 0.16 AML other m 2020-08-30T17:26:16.39
IV.MNTT.EHE. ML:2.6 0.00121 0.44 AML other m 2020-08-30T17:26:17.14
IV.MOMA.HHE. ML:2.4 0.0007205 0.22 AML other m 2020-08-30T17:26:17.74
IV.MOMA.HNE. ML:2.4 0.000671 0.18 AML other m 2020-08-30T17:26:17.74
IV.MOMA.HHN. ML:2.2 0.0004005 1.56 AML other m 2020-08-30T17:26:17.03
IV.EL6.EHE. ML:2.2 0.00041400000000000003 0.94 AML other m 2020-08-30T17:26:18.12
IV.FOSV.EHE. ML:2.1 0.00027100000000000003 0.22 AML other m 2020-08-30T17:26:19.22
IV.EL6.EHN. ML:2.2 0.0003815 0.2 AML other m 2020-08-30T17:26:19.55
IV.CESX.HHN. ML:2.1 0.00028300000000000005 0.42 AML other m 2020-08-30T17:26:19.56
IV.OFFI.HHE. ML:2.3 0.000682 1.1 AML other m 2020-08-30T17:26:19.90
IV.FOSV.EHN. ML:2.1 0.00023300000000000003 0.52 AML other m 2020-08-30T17:26:20.42
IV.CESX.HHE. ML:2.0 0.0002075 0.64 AML other m 2020-08-30T17:26:20.52
IV.ATCC.EHE. ML:2.1 0.0003 0.7 AML other m 2020-08-30T17:26:20.51
IV.ATCC.EHN. ML:2.2 0.000308 0.82 AML other m 2020-08-30T17:26:21.20
IV.OFFI.HHN. ML:2.2 0.0005475 0.46 AML other m 2020-08-30T17:26:21.49
IV.SSFR.HHN. ML:2.3 0.0003165 0.68 AML other m 2020-08-30T17:26:23.65
IV.SSFR.HNN. ML:2.4 0.00034950000000000004 0.16 AML other m 2020-08-30T17:26:23.99
IV.ARVD.HHN. ML:1.8 0.0000857 0.22 AML other m 2020-08-30T17:26:23.80
IV.MURB.HNN. ML:2.5 0.0005729999999999999 1.34 AML other m 2020-08-30T17:26:24.67
IV.MURB.HNE. ML:2.5 0.0005899999999999999 0.26 AML other m 2020-08-30T17:26:24.77
IV.MURB.HHE. ML:2.5 0.0005695 0.24 AML other m 2020-08-30T17:26:24.76
IV.MURB.HHN. ML:2.6 0.0006465 0.2 AML other m 2020-08-30T17:26:24.67
IV.ARVD.HHE. ML:2.0 0.00013350000000000002 1.14 AML other m 2020-08-30T17:26:24.90
IV.SSFR.HHE. ML:2.4 0.00036199999999999996 0.24 AML other m 2020-08-30T17:26:25.31
IV.SSFR.HNE. ML:2.4 0.0003615 0.22 AML other m 2020-08-30T17:26:25.33
IV.ATFO.HHE. ML:1.9 0.00011310000000000001 0.2 AML other m 2020-08-30T17:26:25.45
IV.FAGN.HHN. ML:2.1 0.000192 0.44 AML other m 2020-08-30T17:26:26.67
IV.FRON.EHN. ML:2.1 0.00016450000000000001 0.82 AML other m 2020-08-30T17:26:27.46
IV.FAGN.HHE. ML:2.2 0.00026900000000000003 0.36 AML other m 2020-08-30T17:26:28.43
IV.MGAB.HHN. ML:2.2 0.0001735 0.84 AML other m 2020-08-30T17:26:29.34
IV.ATFO.HHN. ML:1.9 0.000124 0.72 AML other m 2020-08-30T17:26:29.25
IV.MGAB.HHE. ML:2.1 0.000158 0.7 AML other m 2020-08-30T17:26:31.58
IV.NARO.HHN. ML:1.8 0.00007230000000000001 0.42 AML other m 2020-08-30T17:26:32.46
IV.NARO.HHE. ML:1.8 0.0000698 0.92 AML other m 2020-08-30T17:26:33.99
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