Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 06-08-2020 and time 00:33:57 (Italy) in region 4 km SW Fiastra (MC)

A magnitude ML 1.7 earthquake occured in region: 4 km SW Fiastra (MC), on

  • 05-08-2020 22:33:57 (UTC)
  • 06-08-2020 00:33:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0130, 13.1290 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.

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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
Fiastra MC 4 559 559
Fiordimonte MC 4 202 761
Acquacanina MC 4 121 882
Pievebovigliana MC 7 866 1748
Pieve Torina MC 7 1458 3206
Ussita MC 8 444 3650
Bolognola MC 8 142 3792
Visso MC 10 1107 4899
Muccia MC 10 915 5814
Monte Cavallo MC 11 145 5959
Castelsantangelo sul Nera MC 13 281 6240
Sarnano MC 14 3264 9504
Camerino MC 15 6974 16478
Cessapalombo MC 15 512 16990
Serravalle di Chienti MC 16 1070 18060
Caldarola MC 16 1823 19883
Preci PG 17 724 20607
Camporotondo di Fiastrone MC 17 563 21170
Gualdo MC 18 815 21985
San Ginesio MC 19 3498 25483
Amandola FM 19 3629 29112
Serrapetrona MC 19 966 30078
Montefortino FM 19 1178 31256
Belforte del Chienti MC 19 1886 33142

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
61 Km E of Perugia (166134 inhabitants)
61 Km NW of Teramo (54892 inhabitants)
64 Km NE of Terni (111501 inhabitants)
74 Km SW of Ancona (100861 inhabitants)
77 Km N of L'Aquila (69753 inhabitants)
93 Km S of Fano (60888 inhabitants)
100 Km NW of Montesilvano (53738 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 1.7 2020-08-05
22:33:57		 43.0128 13.1287 9 2020-11-19
12:37:00		 Bollettino Sismico Italiano INGV 82788991
Reviewed
Rev100 		ML 1.7 2020-08-05
22:33:57		 43.0148 13.1267 9 2020-08-05
22:55:21		 Sala Sismica INGV-Roma 81686421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-05 22:33:57 ± 0.05
Latitude 43.0128 ± 0.0027
Longitude 13.1287 ± 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 82788991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 268
Semi-minor axis of confidence ellipse (meter) 235
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 77
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 32
Number of associated phases, regardless of their use for origin computation 67
Number of defining phases 66
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.71856
Number of stations at which the event was observed 43
Number of stations from which data was used for origin computation 42
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 82788991
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-10 11:27:29

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 81686421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-05 22:55:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FOSV.EHZ. 2020-08-05T22:34:12.28 0.1 undecidable manual S 317 43.1235 50 0.35 88
IV.NARO.HHZ. 2020-08-05T22:34:11.46 0.3 undecidable manual P 326 79.7646 50 -0.03 66
IV.GAVE.EHZ. 2020-08-05T22:34:11.53 0.1 undecidable manual S 208 40.3263 50 0.35 88
IV.MPAG.EHZ. 2020-08-05T22:34:11.07 0.3 undecidable manual P 337 74.5698 50 0.37 62
IV.ASSB.HHZ. 2020-08-05T22:34:10.73 0.3 undecidable manual S 275 38.2284 50 0.1 70
IV.PIEI.HHZ. 2020-08-05T22:34:10.84 0.3 undecidable manual P 321 75.2691 50 0.04 66
IV.ATVO.HHZ. 2020-08-05T22:34:10.23 0.3 undecidable manual P 305 71.2731 50 0.03 67
IV.COR1.EHZ. 2020-08-05T22:34:10.82 0.3 undecidable manual P 351 69.4749 50 0.92 51
IV.EL6.EHZ. 2020-08-05T22:34:09.68 0.1 undecidable manual S 356 35.1426 50 -0.12 93
IV.FRON.EHZ. 2020-08-05T22:34:08.88 0.3 undecidable manual P 330 64.7907 50 -0.3 64
IV.CESX.HHZ. 2020-08-05T22:34:08.62 0.3 undecidable manual P 225 62.8926 50 -0.28 64
IV.MTL1.HNZ. 2020-08-05T22:34:08.55 0.3 undecidable manual S 340 28.749 108 0.53 64
IV.MF5.EHZ. 2020-08-05T22:34:08.29 0.1 undecidable manual S 96 27.0507 109 0.84 76
IV.SNTG.HHZ. 2020-08-05T22:34:08.73 0.1 undecidable manual S 331 30.8469 50 0.07 95
IV.CAMP.HHZ. 2020-08-05T22:34:07.64 0.3 undecidable manual P 157 57.5979 50 -0.44 63
IV.FIU1.HNZ. 2020-08-05T22:34:07.37 0.3 undecidable manual S 321 25.1526 110 0.51 65
IV.ARRO.EHZ. 2020-08-05T22:34:07.41 0.3 undecidable manual P 212 56.3991 50 -0.5 62
IV.RM33.EHZ. 2020-08-05T22:34:07.61 0.3 undecidable manual P 173 56.2992 50 -0.27 65
IV.ARVD.HHZ. 2020-08-05T22:34:07.51 0.3 undecidable manual P 344 55.8996 50 -0.31 65
IV.SAP2.EHZ. 2020-08-05T22:34:07.32 0.1 undecidable manual S 67 23.8539 111 0.91 74
IV.MURB.HHZ. 2020-08-05T22:34:07.98 0.3 undecidable manual P 300 56.1993 50 0.11 67
IV.MOMA.HHZ. 2020-08-05T22:34:07.47 0.3 undecidable manual P 243 50.9157 50 0.41 64
IV.GAG1.HNZ. 2020-08-05T22:34:07.11 0.3 undecidable manual S 349 25.4523 110 0.16 71
IV.SSM1.HNZ. 2020-08-05T22:34:06.02 0.3 undecidable manual S 9 24.2535 111 -0.54 65
IV.ATCC.EHZ. 2020-08-05T22:34:06.02 0.3 undecidable manual P 296 43.9227 50 0.05 70
IV.FOSV.EHZ. 2020-08-05T22:34:05.63 0.1 undecidable manual P 317 43.1235 50 -0.22 90
IV.CESI.HHZ. 2020-08-05T22:34:05.09 0.1 undecidable manual S 267 18.1707 117 0.47 89
IV.CING.HNZ. 2020-08-05T22:34:05.06 0.3 undecidable manual P 8 40.626 50 -0.4 65
IV.GAVE.EHZ. 2020-08-05T22:34:05.33 0.1 positive manual P 208 40.3263 50 -0.09 93
IV.NRCA.HHZ. 2020-08-05T22:34:05.32 0.3 undecidable manual S 183 19.9689 115 0.16 71
IV.SEF1.HNZ. 2020-08-05T22:34:05.72 0.3 undecidable manual S 315 20.868 114 0.25 70
IV.SMA1.EHZ. 2020-08-05T22:34:05.87 0.3 undecidable manual P 158 45.621 50 -0.37 65
IV.GUMA.HHZ. 2020-08-05T22:34:04.85 0.1 undecidable manual S 72 17.6712 118 0.39 91
IV.EL6.EHZ. 2020-08-05T22:34:04.26 0.1 undecidable manual P 356 35.1426 50 -0.37 88
IV.MNTP.HNZ. 2020-08-05T22:34:04.23 0.3 undecidable manual P 63 30.8469 50 0.27 68
IV.MML1.HNZ. 2020-08-05T22:34:04.36 0.1 undecidable manual S 311 16.9719 119 0.12 96
IV.MMO1.EHZ. 2020-08-05T22:34:04.99 0.1 undecidable manual S 128 20.4684 114 -0.34 91
IV.ASSB.HHZ. 2020-08-05T22:34:04.99 0.1 undecidable manual P 275 38.2284 50 -0.1 93
IV.MTRA.EHE. 2020-08-05T22:34:04.40 0.3 undecidable manual P 142 35.8419 50 -0.32 67
IV.MDAR.HNZ. 2020-08-05T22:34:04.90 0.3 undecidable manual S 3 19.9689 115 -0.29 69
IV.FOPC.HGZ. 2020-08-05T22:34:04.34 3.0 undecidable manual P 0
IV.SAP2.EHZ. 2020-08-05T22:34:03.17 0.3 undecidable manual P 67 23.8539 111 0.51 66
IV.SNTG.HHZ. 2020-08-05T22:34:03.64 0.1 undecidable manual P 331 30.8469 50 -0.32 90
IV.PF6.EHZ. 2020-08-05T22:34:03.23 0.1 undecidable manual S 21 14.874 122 -0.39 91
IV.GAG1.HNZ. 2020-08-05T22:34:03.38 0.3 undecidable manual P 349 25.4523 110 0.41 67
IV.MTL1.HNZ. 2020-08-05T22:34:03.46 0.3 undecidable manual P 340 28.749 108 -0.13 71
IV.MF5.EHZ. 2020-08-05T22:34:03.60 0.1 undecidable manual P 96 27.0507 109 0.34 90
IV.SEF1.HNZ. 2020-08-05T22:34:02.08 0.3 undecidable manual P 315 20.868 114 -0.04 73
IV.SSM1.HNZ. 2020-08-05T22:34:02.65 0.3 undecidable manual P 9 24.2535 111 -0.1 72
IT.MTCL.HGZ. 2020-08-05T22:34:02.60 0.1 undecidable manual S 259 10.6782 131 0.15 97
IV.FIU1.HNZ. 2020-08-05T22:34:02.92 0.3 undecidable manual P 321 25.1526 110 0 73
IV.MC2.EHZ. 2020-08-05T22:34:02.95 0.1 undecidable manual S 156 12.2766 127 0.08 98
IV.MDAR.HNZ. 2020-08-05T22:34:01.77 0.3 undecidable manual P 3 19.9689 115 -0.19 71
IV.CESI.HHZ. 2020-08-05T22:34:01.88 0.1 positive manual P 267 18.1707 117 0.25 93
IV.FEMA.HNZ. 2020-08-05T22:34:01.91 0.1 undecidable manual S 229 8.4804 137 0 100
IV.NRCA.HHZ. 2020-08-05T22:34:01.79 0.1 undecidable manual P 183 19.9689 115 -0.16 95
IV.CSP1.EHZ. 2020-08-05T22:34:01.93 0.1 undecidable manual S 35 10.6782 131 -0.53 89
IV.GUMA.HHZ. 2020-08-05T22:34:01.74 0.1 undecidable manual P 72 17.6712 118 0.21 94
IV.MML1.HNZ. 2020-08-05T22:34:01.43 0.1 negative manual P 311 16.9719 119 0.02 98
IV.MMO1.EHZ. 2020-08-05T22:34:01.84 0.1 negative manual P 128 20.4684 114 -0.19 94
IT.MTCL.HGZ. 2020-08-05T22:34:00.42 0.1 undecidable manual P 259 10.6782 131 0.05 99
IV.MC2.EHZ. 2020-08-05T22:34:00.59 0.1 undecidable manual P 156 12.2766 127 -0.03 99
IV.FEMA.HNZ. 2020-08-05T22:34:00.17 0.1 undecidable manual P 229 8.4804 137 0.11 98
IV.PF6.EHZ. 2020-08-05T22:34:00.80 0.1 undecidable manual P 21 14.874 122 -0.26 94
IV.CSP1.EHZ. 2020-08-05T22:34:00.21 0.1 negative manual P 35 10.6782 131 -0.17 96
IV.FDMO.HHZ. 2020-08-05T22:34:00.19 0.1 undecidable manual S 308 4.2957 155 -0.89 77
IV.FDMO.HHZ. 2020-08-05T22:33:59.09 0.1 undecidable manual P 308 4.2957 155 -0.49 91
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHN. ML:1.6 0.0005499671500000001 1.7696 AML other m 2020-08-05T22:34:02.08
IV.CSP1.EHE. ML:2.1 0.001507981 0.192 AML other m 2020-08-05T22:34:02.19
IV.CESI.HHE. ML:1.7 0.0004441813 0.192 AML other m 2020-08-05T22:34:05.28
IV.CESI.HNE. ML:2.0 0.0007920000000000001 0.48 AML other m 2020-08-05T22:34:05.05
IV.CESI.HHN. ML:1.8 0.00052531725 0.2048 AML other m 2020-08-05T22:34:05.43
IV.GUMA.HHN. ML:2.2 0.0014 0.96 AML other m 2020-08-05T22:34:05.53
IV.NRCA.HHN. ML:1.6 0.00029648660000000004 0.1408 AML other m 2020-08-05T22:34:05.77
IV.NRCA.HNN. ML:1.9 0.0006205000000000001 1.48 AML other m 2020-08-05T22:34:06.25
IV.SAP2.EHN. ML:2.3 0.0011766227 0.5248 AML other m 2020-08-05T22:34:07.74
IV.NRCA.HNE. ML:2.0 0.0008334999999999999 0.42 AML other m 2020-08-05T22:34:08.14
IV.MF5.EHE. ML:1.8 0.000358 1.46 AML other m 2020-08-05T22:34:08.02
IV.SNTG.HHE. ML:1.1 0.00006105825 0.1408 AML other m 2020-08-05T22:34:08.82
IV.SNTG.HHN. ML:1.2 0.00007469264500000001 1.4496 AML other m 2020-08-05T22:34:08.13
IV.EL6.EHE. ML:1.8 0.0002815 0.24 AML other m 2020-08-05T22:34:10.70
IV.EL6.EHN. ML:1.8 0.00026450000000000003 1.2 AML other m 2020-08-05T22:34:11.71
IV.ASSB.HHE. ML:1.9 0.0003175 0.26 AML other m 2020-08-05T22:34:11.22
IV.ASSB.HHN. ML:2.1 0.0004985 0.18 AML other m 2020-08-05T22:34:11.33
IV.FOSV.EHE. ML:1.4 0.00006986399 0.1792 AML other m 2020-08-05T22:34:12.74
IV.ATCC.EHE. ML:2.1 0.000367 0.2 AML other m 2020-08-05T22:34:13.42
IV.FOSV.EHN. ML:1.9 0.000263 1.68 AML other m 2020-08-05T22:34:13.03
IV.ATCC.EHN. ML:2.0 0.0002925 1.3 AML other m 2020-08-05T22:34:13.28
IV.MOMA.HHN. ML:1.6 0.00010585 0.2 AML other m 2020-08-05T22:34:15.89
IV.CAMP.HHN. ML:1.4 0.0000505 1.22 AML other m 2020-08-05T22:34:16.06
IV.RM33.EHN. ML:1.4 0.000049281665000000004 0.7936 AML other m 2020-08-05T22:34:16.34
IV.RM33.EHE. ML:1.3 0.000046761499999999996 0.1408 AML other m 2020-08-05T22:34:16.76
IV.ARVD.HHE. ML:1.6 0.00009675000000000001 1.42 AML other m 2020-08-05T22:34:17.17
IV.ARVD.HHN. ML:1.5 0.00007314999999999999 0.88 AML other m 2020-08-05T22:34:17.48
IV.CAMP.HHE. ML:1.6 0.00007885 0.42 AML other m 2020-08-05T22:34:17.52
IV.ARRO.EHN. ML:1.4 0.000057050000000000004 0.2 AML other m 2020-08-05T22:34:18.21
IV.CESX.HHE. ML:1.4 0.000051558165 0.2816 AML other m 2020-08-05T22:34:18.20
IV.CESX.HHN. ML:1.6 0.00007212004499999999 0.2432 AML other m 2020-08-05T22:34:18.71
IV.ATVO.HHE. ML:1.4 0.000038650000000000004 1.48 AML other m 2020-08-05T22:34:22.77
IV.ATVO.HHN. ML:1.3 0.000035000000000000004 0.66 AML other m 2020-08-05T22:34:22.62
IV.PIEI.HHN. ML:1.3 0.00003035 0.86 AML other m 2020-08-05T22:34:22.82
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