Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 06-04-2020 and time 07:44:04 (UTC) in region 3 km NE Sellano (PG)

A magnitude ML 1.5 earthquake occured in region: 3 km NE Sellano (PG), on

  • 06-04-2020 07:44:04 (UTC)
  • 06-04-2020 09:44:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9060, 12.9620 at 10 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
Sellano PG 3 1079 1079
Preci PG 7 724 1803
Cerreto di Spoleto PG 10 1075 2878
Monte Cavallo MC 10 145 3023
Visso MC 11 1107 4130
Ussita MC 15 444 4574
Castelsantangelo sul Nera MC 16 281 4855
Norcia PG 17 4957 9812
Vallo di Nera PG 17 364 10176
Pieve Torina MC 17 1458 11634
Trevi PG 18 8469 20103
Campello sul Clitunno PG 18 2442 22545
Fiordimonte MC 18 202 22747
Serravalle di Chienti MC 19 1070 23817

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
52 Km E of Perugia (166134 inhabitants)
67 Km W of Teramo (54892 inhabitants)
71 Km NW of L'Aquila (69753 inhabitants)
89 Km NE of Viterbo (67173 inhabitants)
91 Km SW of Ancona (100861 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 1.5 2020-04-06
07:44:04		 42.9062 12.9617 10 2020-07-18
21:08:38		 Bollettino Sismico Italiano INGV 79793721
Reviewed
Rev100 		ML 1.5 2020-04-06
07:44:04		 42.9123 12.9658 10 2020-04-06
07:51:01		 Sala Sismica INGV-Roma 77948641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-06 07:44:04 ± 0.07
Latitude 42.9062 ± 0.0036
Longitude 12.9617 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79793721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 395
Semi-minor axis of confidence ellipse (meter) 320
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 47
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54949
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 77948641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-06 07:51:01

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 36
Type of magnitude ML
Reference to an origin 79793721
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-01 19:17:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIGN.HHZ. 2020-04-06T07:45:21.12 3.0 undecidable manual Sg 9.53 0
IV.SALB.HHZ. 2020-04-06T07:45:13.67 3.0 positive manual Pg 17.030001 0
IV.VITU.HHZ. 2020-04-06T07:45:09.18 3.0 undecidable manual Sn -9.99 0
IV.ILLI.HHZ. 2020-04-06T07:45:07.01 3.0 undecidable manual Pg 8.74 0
IT.VRB.HGZ. 2020-04-06T07:45:07.51 3.0 undecidable manual Sn 0.03 0
IV.ORI.HHZ. 2020-04-06T07:45:02.15 3.0 undecidable manual Pg 5.81 0
IV.CAGR.HHZ. 2020-04-06T07:44:59.48 3.0 undecidable manual Pn -4.93 0
CR.ZAG.BHZ. 2020-04-06T07:44:59.88 3.0 undecidable manual Pn 6.82 0
IV.MC2.EHZ. 2020-04-06T07:44:48.10 3.0 undecidable manual Sn 3.57 0
IX.STN3.HHZ.02 2020-04-06T07:44:35.08 3.0 undecidable manual Pn -9.99 0
IV.PAOL.HHZ. 2020-04-06T07:44:34.60 3.0 negative manual Pg 2.06 0
IV.ERC.EHZ. 2020-04-06T07:44:30.15 3.0 undecidable manual Pn -9.99 0
IV.PTRJ.HNZ. 2020-04-06T07:44:25.16 3.0 undecidable manual Pn -5.07 0
IV.FIR.HHZ. 2020-04-06T07:44:25.27 3.0 undecidable manual Sg 4.59 0
IV.SSFR.HHZ. 2020-04-06T07:44:24.10 0.3 undecidable manual S 346 60.5949 50 0.62 60
IV.TERO.HHZ. 2020-04-06T07:44:23.83 0.3 undecidable manual S 121 60.9945 50 0.23 66
IV.MURB.HHZ. 2020-04-06T07:44:22.05 0.3 undecidable manual S 318 53.1024 50 0.57 62
IV.EL6.EHZ. 2020-04-06T07:44:20.27 0.3 undecidable manual S 14 48.3183 50 0.07 70
IV.MF5.EHZ. 2020-04-06T07:44:19.11 0.3 undecidable manual S 77 41.4252 50 0.74 59
IV.ATCC.EHZ. 2020-04-06T07:44:18.11 0.3 undecidable manual S 320 40.4262 50 0 72
IV.GUMA.HHZ. 2020-04-06T07:44:17.02 0.3 undecidable manual S 60 34.9428 50 0.39 67
IV.OFFI.HHZ. 2020-04-06T07:44:17.72 3.0 positive manual Pn 0 0
IV.SNTG.HHZ. 2020-04-06T07:44:17.43 0.3 undecidable manual S 357 38.7279 50 -0.22 69
IV.MOMA.HHZ. 2020-04-06T07:44:16.44 0.3 undecidable manual S 251 33.8439 50 0.11 71
IV.LNSS.HHZ. 2020-04-06T07:44:16.20 0.3 undecidable manual S 169 34.2435 50 -0.25 69
IV.TERO.HHZ. 2020-04-06T07:44:15.40 0.3 undecidable manual P 121 60.9945 50 -0.12 68
IV.SSFR.HHZ. 2020-04-06T07:44:15.34 0.3 undecidable manual P 346 60.5949 50 -0.11 68
IV.MURB.HHZ. 2020-04-06T07:44:14.17 0.3 undecidable manual P 318 53.1024 50 -0.13 69
IV.PE3.EHZ. 2020-04-06T07:44:14.54 3.0 undecidable manual Pg 5.83 0
IV.CSP1.EHZ. 2020-04-06T07:44:14.53 0.3 undecidable manual S 44 28.5492 50 -0.39 68
IV.MMO1.EHZ. 2020-04-06T07:44:14.76 0.3 undecidable manual S 91 29.6481 50 -0.47 67
IV.EL6.EHZ. 2020-04-06T07:44:13.32 0.1 undecidable manual P 14 48.3183 50 -0.24 90
IV.ATCC.EHZ. 2020-04-06T07:44:12.16 0.1 undecidable manual P 320 40.4262 50 -0.2 92
IV.MF5.EHZ. 2020-04-06T07:44:12.68 0.3 undecidable manual P 77 41.4252 50 0.17 69
IV.FDMO.HHZ. 2020-04-06T07:44:11.21 0.3 undecidable manual S 35 17.6712 118 -0.25 71
IV.SNTG.HHZ. 2020-04-06T07:44:11.81 0.1 undecidable manual P 357 38.7279 50 -0.28 91
IV.MOMA.HHZ. 2020-04-06T07:44:11.15 0.1 undecidable manual P 251 33.8439 50 -0.18 94
IV.LNSS.HHZ. 2020-04-06T07:44:11.55 0.3 undecidable manual P 169 34.2435 50 0.15 71
IV.GUMA.HHZ. 2020-04-06T07:44:11.57 0.1 undecidable manual P 60 34.9428 50 0.07 96
IV.MMO1.EHZ. 2020-04-06T07:44:10.53 0.1 undecidable manual P 91 29.6481 50 -0.16 95
IV.NRCA.HNZ. 2020-04-06T07:44:10.65 0.3 undecidable manual S 123 14.7741 123 0.06 75
IV.CSP1.EHZ. 2020-04-06T07:44:10.28 0.1 positive manual P 44 28.5492 50 -0.23 94
IT.MTCL.HGZ. 2020-04-06T07:44:09.16 0.3 undecidable manual S 17 10.1787 133 -0.17 73
IV.FEMA.HNZ. 2020-04-06T07:44:09.18 0.3 undecidable manual S 49 9.4794 135 0.03 76
IV.CESI.HHZ. 2020-04-06T07:44:09.77 0.3 undecidable manual S 337 11.877 129 0 76
IV.MC2.EHZ. 2020-04-06T07:44:09.90 3.0 positive manual Pn -2.8 0
IV.NRCA.HNZ. 2020-04-06T07:44:08.16 0.1 undecidable manual P 123 14.7741 123 0.14 98
IV.FDMO.HHZ. 2020-04-06T07:44:08.52 0.1 positive manual P 35 17.6712 118 0 100
IT.MTCL.HGZ. 2020-04-06T07:44:07.43 0.1 undecidable manual P 17 10.1787 133 0.14 98
IV.FEMA.HNZ. 2020-04-06T07:44:07.45 0.3 undecidable manual P 49 9.4794 135 0.27 72
IV.CESI.HHZ. 2020-04-06T07:44:07.71 0.3 undecidable manual P 337 11.877 129 0.17 73
IV.LAV9.HNZ. 2020-04-06T07:44:06.86 3.0 undecidable manual P -4.43 0
GU.POPM.HHZ. 2020-04-06T07:43:57.56 3.0 positive manual P -2.03 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FEMA.HNE. ML:1.8 0.0009368278500000001 0.2112 AML other m 2020-04-06T07:44:09.86
IV.FEMA.HNN. ML:1.7 0.0007349252 0.1024 AML other m 2020-04-06T07:44:09.53
IV.CESI.HNN. ML:1.5 0.00037787599999999997 0.096 AML other m 2020-04-06T07:44:10.20
IV.CESI.HNE. ML:1.4 0.00025784479999999997 0.128 AML other m 2020-04-06T07:44:09.97
IV.CESI.HHE. ML:1.4 0.0003145327 0.1216 AML other m 2020-04-06T07:44:09.98
IV.CESI.HHN. ML:1.5 0.00038159885 0.1024 AML other m 2020-04-06T07:44:10.21
IV.NRCA.HNN. ML:1.8 0.00055663295 0.1216 AML other m 2020-04-06T07:44:10.90
IV.NRCA.HHE. ML:1.5 0.0002856282 0.096 AML other m 2020-04-06T07:44:10.87
IV.NRCA.HNE. ML:1.5 0.0002951678 0.1216 AML other m 2020-04-06T07:44:10.88
IV.NRCA.HHN. ML:1.8 0.0005988868499999999 0.1024 AML other m 2020-04-06T07:44:10.89
IV.FDMO.HHN. ML:1.4 0.000218957 0.1408 AML other m 2020-04-06T07:44:12.42
IV.FDMO.HHE. ML:1.6 0.00033758935 0.16 AML other m 2020-04-06T07:44:11.56
IV.CSP1.EHN. ML:1.2 0.000074269815 0.224 AML other m 2020-04-06T07:44:15.20
IV.CSP1.EHE. ML:1.3 0.000106310785 0.1216 AML other m 2020-04-06T07:44:15.29
IV.MOMA.HHN. ML:1.0 0.000044594435000000004 0.2816 AML other m 2020-04-06T07:44:17.02
IV.MOMA.HNN. ML:1.6 0.00015908125 0.9088 AML other m 2020-04-06T07:44:23.65
IV.MOMA.HNE. ML:1.3 0.00008092865 0.5248 AML other m 2020-04-06T07:44:23.68
IV.MOMA.HHE. ML:1.2 0.00007109877500000001 0.1792 AML other m 2020-04-06T07:44:18.09
IV.LNSS.HNN. ML:1.5 0.0001441609 0.1792 AML other m 2020-04-06T07:44:16.61
IV.LNSS.HNE. ML:1.6 0.00018368401 0.1216 AML other m 2020-04-06T07:44:16.39
IV.LNSS.HHN. ML:1.6 0.00016522205000000002 0.2368 AML other m 2020-04-06T07:44:16.72
IV.LNSS.HHE. ML:1.7 0.00019251204999999998 0.1024 AML other m 2020-04-06T07:44:16.39
IV.GUMA.HHE. ML:1.9 0.00030823840000000004 0.1792 AML other m 2020-04-06T07:44:17.08
IV.GUMA.HNN. ML:1.8 0.00023672623500000002 0.8192 AML other m 2020-04-06T07:44:13.93
IV.GUMA.HHN. ML:1.6 0.000151122055 0.224 AML other m 2020-04-06T07:44:17.22
IV.GUMA.HNE. ML:1.7 0.0001971099775 0.2624 AML other m 2020-04-06T07:44:20.06
IV.ATCC.EHN. ML:1.3 0.000068213935 0.2176 AML other m 2020-04-06T07:44:18.36
IV.ATCC.EHE. ML:1.4 0.000091082235 0.1024 AML other m 2020-04-06T07:44:18.43
IV.MF5.EHE. ML:1.3 0.0000612787955 0.1984 AML other m 2020-04-06T07:44:19.38
IV.MF5.EHN. ML:1.4 0.0000781818175 0.2368 AML other m 2020-04-06T07:44:19.33
IV.EL6.EHN. ML:1.6 0.000117825455 0.16 AML other m 2020-04-06T07:44:20.00
IV.EL6.EHE. ML:1.6 0.00010773144 0.1792 AML other m 2020-04-06T07:44:21.16
IV.MURB.HHE. ML:1.3 0.00004327556 0.2432 AML other m 2020-04-06T07:44:23.82
IV.MURB.HHN. ML:1.5 0.00006954161 0.1984 AML other m 2020-04-06T07:44:24.27
IV.TERO.HHN. ML:1.0 0.000019289783999999996 0.096 AML other m 2020-04-06T07:44:24.26
IV.TERO.HNN. ML:1.9 0.00016800755000000002 0.5888 AML other m 2020-04-06T07:44:26.49
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