Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 03-08-2020 and time 06:21:41 (UTC) in region 1 km NE Castelsantangelo sul Nera (MC)

A magnitude ML 1.6 earthquake occured in region: 1 km NE Castelsantangelo sul Nera (MC), on

  • 03-08-2020 06:21:41 (UTC)
  • 03-08-2020 08:21:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9020, 13.1660 at 14 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.

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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 1 281 281
Ussita MC 5 444 725
Visso MC 7 1107 1832
Preci PG 11 724 2556
Bolognola MC 12 142 2698
Montemonaco AP 13 604 3302
Norcia PG 13 4957 8259
Acquacanina MC 14 121 8380
Fiastra MC 15 559 8939
Montefortino FM 15 1178 10117
Montegallo AP 15 523 10640
Fiordimonte MC 16 202 10842
Monte Cavallo MC 17 145 10987
Arquata del Tronto AP 18 1178 12165
Amandola FM 18 3629 15794
Pieve Torina MC 19 1458 17252
Sarnano MC 19 3264 20516
Pievebovigliana MC 19 866 21382
Sellano PG 19 1079 22461

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
52 Km NW of Teramo (54892 inhabitants)
57 Km NE of Terni (111501 inhabitants)
64 Km NW of L'Aquila (69753 inhabitants)
67 Km E of Perugia (166134 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
99 Km NW of Pescara (121014 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 1.6 2020-08-03
06:21:41		 42.9017 13.1655 14 2020-11-19
12:37:02		 Bollettino Sismico Italiano INGV 83022071
Reviewed
Rev100 		ML 1.7 2020-08-03
06:21:41		 42.8973 13.1638 13 2020-08-03
06:33:17		 Sala Sismica INGV-Roma 81603111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-03 06:21:41 ± 0.05
Latitude 42.9017 ± 0.0027
Longitude 13.1655 ± 0.0037
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83022071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 300
Semi-minor axis of confidence ellipse (meter) 79
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 39
Number of associated phases, regardless of their use for origin computation 57
Number of defining phases 57
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) 0.01979
Epicentral distance of station farthest from the epicenter (degree) 0.61783
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 83022071
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-06 06:24:34

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 81603111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-03 06:33:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2020-08-03T06:21:58.39 0.1 undecidable manual S 307 52.9026 94 0.76 76
IV.MOMA.HHZ. 2020-08-03T06:21:57.37 0.1 undecidable manual S 258 49.617 95 0.62 81
IV.CING.HNZ. 2020-08-03T06:21:57.64 0.3 undecidable manual S 3 52.6029 94 0.1 68
IV.TERO.HHZ. 2020-08-03T06:21:56.02 0.3 undecidable manual S 131 47.2194 95 -0.09 69
IV.RM33.EHZ. 2020-08-03T06:21:55.43 0.1 undecidable manual S 175 43.7229 95 0.25 89
IV.ASSB.HHZ. 2020-08-03T06:21:55.43 0.1 undecidable manual S 291 44.0226 95 0.18 91
IV.CAMP.HHZ. 2020-08-03T06:21:55.45 0.1 undecidable manual S 154 45.2214 95 -0.12 91
IV.EL6.EHE. 2020-08-03T06:21:55.70 0.3 undecidable manual S 354 47.7189 95 -0.54 62
IV.MNTT.EHZ. 2020-08-03T06:21:54.18 0.1 undecidable manual S 63 39.1275 96 0.21 90
IV.ARVD.HHZ. 2020-08-03T06:21:53.10 0.1 undecidable manual P 345 68.5758 93 0.09 88
IV.SEF1.HNN. 2020-08-03T06:21:52.40 0.3 undecidable manual S 327 32.4453 99 0.22 69
IV.LNSS.HHZ. 2020-08-03T06:21:52.98 0.1 undecidable manual S 197 34.6431 98 0.2 92
IV.SMA1.EHN. 2020-08-03T06:21:52.19 0.3 undecidable manual S 155 33.1446 98 -0.18 69
IV.GAVE.EHZ. 2020-08-03T06:21:52.18 0.1 undecidable manual S 224 32.0457 99 0.09 95
IV.SAP2.EHZ. 2020-08-03T06:21:51.81 0.3 undecidable manual S 41 28.749 100 0.59 62
IV.MF5.EHZ. 2020-08-03T06:21:51.17 0.1 undecidable manual S 68 25.752 103 0.75 78
IV.T1299.HNN. 2020-08-03T06:21:51.99 0.3 undecidable manual S 162 31.1466 99 0.14 70
IV.CING.HNZ. 2020-08-03T06:21:51.10 0.3 undecidable manual P 3 52.6029 94 0.54 61
IV.MOMA.HHZ. 2020-08-03T06:21:50.23 0.1 undecidable manual P 258 49.617 95 0.14 91
IV.MML1.HNZ. 2020-08-03T06:21:50.81 0.1 undecidable manual S 326 28.2495 101 -0.28 91
IV.CESI.HHZ. 2020-08-03T06:21:50.00 0.1 undecidable manual S 298 24.0537 104 0 97
IV.ATCC.EHZ. 2020-08-03T06:21:50.70 0.1 negative manual P 307 52.9026 94 0.09 91
IV.PF6.EHZ. 2020-08-03T06:21:50.17 0.1 undecidable manual S 5 26.2515 102 -0.4 89
IV.MNTT.EHZ. 2020-08-03T06:21:49.04 0.1 negative manual P 63 39.1275 96 0.55 83
IV.MTRA.EHZ. 2020-08-03T06:21:49.90 0.1 undecidable manual S 130 24.753 103 -0.27 92
IV.CAMP.HHZ. 2020-08-03T06:21:49.10 0.1 positive manual P 154 45.2214 95 -0.31 88
IV.EL6.EHE. 2020-08-03T06:21:49.55 0.3 undecidable manual P 354 47.7189 95 -0.25 66
IV.GUMA.HHZ. 2020-08-03T06:21:49.92 0.1 undecidable manual S 38 22.5552 106 0.32 91
IV.TERO.HHZ. 2020-08-03T06:21:49.42 0.3 undecidable manual P 131 47.2194 95 -0.31 66
IV.CSP1.EHZ. 2020-08-03T06:21:49.02 0.1 undecidable manual S 9 21.3675 107 -0.27 93
IV.RM33.EHZ. 2020-08-03T06:21:49.09 0.1 undecidable manual P 175 43.7229 95 -0.1 92
IV.ASSB.HHZ. 2020-08-03T06:21:49.36 0.1 positive manual P 291 44.0226 95 0.13 92
IT.MTCL.HGZ. 2020-08-03T06:21:48.05 0.1 undecidable manual S 307 16.9719 115 -0.14 95
IV.T1299.HNN. 2020-08-03T06:21:47.32 0.3 undecidable manual P 162 31.1466 99 0.05 71
IV.GAVE.EHZ. 2020-08-03T06:21:47.34 0.1 undecidable manual P 224 32.0457 99 -0.07 94
IV.FEMA.HNZ. 2020-08-03T06:21:47.03 0.1 undecidable manual S 306 11.5773 130 0.05 99
IV.LNSS.HHZ. 2020-08-03T06:21:47.66 0.1 positive manual P 197 34.6431 98 -0.15 92
IV.SAP2.EHZ. 2020-08-03T06:21:47.10 0.3 undecidable manual P 41 28.749 100 0.19 69
IV.SEF1.HNN. 2020-08-03T06:21:47.51 0.3 undecidable manual P 327 32.4453 99 0.05 71
IV.FDMO.HHZ. 2020-08-03T06:21:47.78 0.1 undecidable manual S 337 16.2726 117 -0.25 94
IV.SMA1.EHN. 2020-08-03T06:21:47.51 0.3 undecidable manual P 155 33.1446 98 -0.06 71
IV.MML1.HNZ. 2020-08-03T06:21:46.64 0.1 undecidable manual P 326 28.2495 101 -0.19 93
IV.CESI.HHZ. 2020-08-03T06:21:46.14 0.1 negative manual P 298 24.0537 104 -0.06 96
IV.MMO1.EHZ. 2020-08-03T06:21:46.97 0.1 undecidable manual S 91 13.0758 125 -0.34 93
IV.PF6.EHZ. 2020-08-03T06:21:46.21 0.1 negative manual P 5 26.2515 102 -0.32 91
IV.MTRA.EHZ. 2020-08-03T06:21:46.02 0.1 negative manual P 130 24.753 103 -0.28 92
IV.MF5.EHZ. 2020-08-03T06:21:46.51 0.1 undecidable manual P 68 25.752 103 0.06 95
IV.GUMA.HHZ. 2020-08-03T06:21:46.05 0.1 positive manual P 38 22.5552 106 0.08 96
IV.NRCA.HNZ. 2020-08-03T06:21:46.18 0.1 undecidable manual S 209 8.5803 141 -0.26 94
IT.MTCL.HGZ. 2020-08-03T06:21:45.01 0.1 undecidable manual P 307 16.9719 115 -0.15 95
IV.MC2.EHZ. 2020-08-03T06:21:45.80 0.1 undecidable manual S 61 2.1978 169 0.1 98
IV.CSP1.EHZ. 2020-08-03T06:21:45.60 0.1 negative manual P 9 21.3675 107 -0.19 94
IV.NRCA.HNZ. 2020-08-03T06:21:44.04 0.1 undecidable manual P 209 8.5803 141 -0.1 97
IV.MMO1.EHZ. 2020-08-03T06:21:44.42 0.1 positive manual P 91 13.0758 125 -0.23 95
IV.FEMA.HNZ. 2020-08-03T06:21:44.47 0.1 negative manual P 306 11.5773 130 0.01 99
IV.FDMO.HHZ. 2020-08-03T06:21:44.87 0.1 negative manual P 337 16.2726 117 -0.19 95
IV.MC2.EHZ. 2020-08-03T06:21:43.75 0.1 negative manual P 61 2.1978 169 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:2.0 0.0010360084999999999 0.1312 AML other m 2020-08-03T06:21:46.61
IV.NRCA.HNN. ML:2.2 0.001930264 0.1216 AML other m 2020-08-03T06:21:46.30
IV.NRCA.HHN. ML:2.3 0.002062872 0.1184 AML other m 2020-08-03T06:21:46.30
IV.NRCA.HHE. ML:2.0 0.0011457989 0.0992 AML other m 2020-08-03T06:21:46.31
IV.FEMA.HNE. ML:1.9 0.0008236084 0.1984 AML other m 2020-08-03T06:21:47.17
IV.FEMA.HNN. ML:1.7 0.0004367163 0.16 AML other m 2020-08-03T06:21:47.08
IV.FDMO.HHN. ML:1.6 0.00033781245 0.1184 AML other m 2020-08-03T06:21:48.09
IV.FDMO.HHE. ML:1.5 0.00026913925 0.24 AML other m 2020-08-03T06:21:47.93
IV.MTRA.HNN. ML:1.6 0.00019812895 0.2624 AML other m 2020-08-03T06:21:50.33
IV.MTRA.EHE. ML:1.2 0.000094925105 0.48 AML other m 2020-08-03T06:21:49.94
IV.MTRA.EHN. ML:1.6 0.00021091840000000002 0.2624 AML other m 2020-08-03T06:21:50.46
IV.GUMA.HNE. ML:2.0 0.00057880005 0.3808 AML other m 2020-08-03T06:21:50.12
IV.GUMA.HHE. ML:2.2 0.00088414475 0.2208 AML other m 2020-08-03T06:21:50.22
IV.GUMA.HHN. ML:2.1 0.0008062475 0.2816 AML other m 2020-08-03T06:21:50.34
IV.CESI.HHE. ML:1.8 0.0003687108 0.1024 AML other m 2020-08-03T06:21:50.43
IV.CESI.HNE. ML:1.8 0.00032977605 0.0928 AML other m 2020-08-03T06:21:50.43
IV.CESI.HNN. ML:1.9 0.00044282985 0.2304 AML other m 2020-08-03T06:21:50.48
IV.CESI.HHN. ML:1.9 0.0004606905 0.24 AML other m 2020-08-03T06:21:50.36
IV.MF5.EHE. ML:1.4 0.00013152544500000002 0.2016 AML other m 2020-08-03T06:21:51.60
IV.MF5.EHN. ML:1.4 0.00012741812 0.3008 AML other m 2020-08-03T06:21:51.76
IV.GAVE.EHE. ML:1.6 0.00017761705 0.2208 AML other m 2020-08-03T06:21:52.71
IV.GAVE.EHN. ML:1.4 0.000115951765 0.24 AML other m 2020-08-03T06:21:52.43
IV.GAVE.HNE. ML:1.7 0.00020379707500000003 1.0304 AML other m 2020-08-03T06:21:53.04
IV.LNSS.HHE. ML:1.3 0.00007440829999999999 0.2592 AML other m 2020-08-03T06:21:53.25
IV.LNSS.HHN. ML:1.4 0.000099058035 0.24 AML other m 2020-08-03T06:21:53.51
IV.MNTT.EHN. ML:1.9 0.00027439535 0.3808 AML other m 2020-08-03T06:21:56.07
IV.RM33.EHE. ML:1.4 0.000086425705 0.1792 AML other m 2020-08-03T06:21:56.40
IV.RM33.EHN. ML:1.2 0.000044264175 0.1408 AML other m 2020-08-03T06:21:56.18
IV.CAMP.HHN. ML:1.3 0.000052530605 0.2176 AML other m 2020-08-03T06:21:55.86
IV.CAMP.HHE. ML:1.4 0.0000701521 0.24 AML other m 2020-08-03T06:21:55.97
IV.ASSB.HHE. ML:1.3 0.00006459363 0.1184 AML other m 2020-08-03T06:21:55.72
IV.ASSB.HHN. ML:1.2 0.000047779085 0.1984 AML other m 2020-08-03T06:21:55.78
IV.TERO.HHN. ML:1.3 0.000057942855 0.0992 AML other m 2020-08-03T06:21:56.40
IV.TERO.HHE. ML:1.4 0.00006804454 0.1824 AML other m 2020-08-03T06:21:56.50
IV.MOMA.HHN. ML:1.4 0.00006093709 0.1376 AML other m 2020-08-03T06:21:58.57
IV.MOMA.HNE. ML:1.7 0.00012924213499999998 0.3616 AML other m 2020-08-03T06:21:58.55
IV.MOMA.HHE. ML:1.6 0.00011412865 0.24 AML other m 2020-08-03T06:21:58.53
IV.ATCC.EHE. ML:1.5 0.00007840942500000001 0.3392 AML other m 2020-08-03T06:21:58.56
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