Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 15-07-2020 and time 06:25:22 (UTC) in region 2 km E Sellano (PG)

A magnitude ML 1.7 earthquake occured in region: 2 km E Sellano (PG), on

  • 15-07-2020 06:25:22 (UTC)
  • 15-07-2020 08:25:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8940, 12.9550 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 2 1079 1079
Preci PG 7 724 1803
Cerreto di Spoleto PG 9 1075 2878
Visso MC 12 1107 3985
Monte Cavallo MC 12 145 4130
Vallo di Nera PG 16 364 4494
Norcia PG 16 4957 9451
Ussita MC 16 444 9895
Castelsantangelo sul Nera MC 16 281 10176
Campello sul Clitunno PG 17 2442 12618
Trevi PG 17 8469 21087
Pieve Torina MC 19 1458 22545
Fiordimonte MC 19 202 22747
Serravalle di Chienti MC 20 1070 23817
Cascia PG 20 3217 27034

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km E of Foligno (57155 inhabitants)
45 Km NE of Terni (111501 inhabitants)
52 Km E of Perugia (166134 inhabitants)
67 Km W of Teramo (54892 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
87 Km NE of Viterbo (67173 inhabitants)
93 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 1.7 2020-07-15
06:25:22		 42.8942 12.9547 10 2020-11-19
12:36:57		 Bollettino Sismico Italiano INGV 81904951
Reviewed
Rev100 		ML 1.7 2020-07-15
06:25:22		 42.8915 12.9542 10 2020-07-15
06:33:56		 Sala Sismica INGV-Roma 81044561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-15 06:25:22 ± 0.04
Latitude 42.8942 ± 0.0018
Longitude 12.9547 ± 0.0037
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 81904951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 255
Semi-minor axis of confidence ellipse (meter) 141
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 96
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 57
Number of defining phases 49
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.74824
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 45
Type of magnitude ML
Reference to an origin 81904951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-12 11:15:54

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 81044561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-15 06:33:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ROSPO.HHZ. 2020-07-15T06:26:15.24 3.0 undecidable manual Sg 2.56 0
IV.BRSN.EHZ. 2020-07-15T06:26:13.75 3.0 undecidable manual S 3.29 0
IV.TOLF.HHZ. 2020-07-15T06:26:00.22 3.0 undecidable manual S 0.17 0
IV.APEC.HHZ. 2020-07-15T06:25:51.01 3.0 undecidable manual S 1.15 0
IV.FRON.EHZ. 2020-07-15T06:25:45.05 0.3 undecidable manual S 345 71.5728 50 0.49 61
IV.COR1.EHZ. 2020-07-15T06:25:44.33 3.0 undecidable manual S -4.55 0
IV.TOLF.HHZ. 2020-07-15T06:25:43.71 3.0 undecidable manual P -0.01 0
IV.MNTT.EHZ. 2020-07-15T06:25:42.47 3.0 undecidable manual S 1.17 0
IV.SSFR.HHZ. 2020-07-15T06:25:42.32 0.6 undecidable manual S 347 61.6938 50 0.4 42
IV.EL6.EHZ. 2020-07-15T06:25:39.04 0.1 undecidable manual S 14 49.7169 50 0.32 88
IV.RM33.EHZ. 2020-07-15T06:25:38.43 1.0 undecidable manual S 154 47.7189 50 0.26 22
IV.CESX.HHZ. 2020-07-15T06:25:37.02 0.3 undecidable manual S 224 43.623 50 -0.06 70
IV.MPAG.EHZ. 2020-07-15T06:25:37.11 1.0 undecidable manual P 349 83.0502 50 -0.02 22
IV.ATCC.EHZ. 2020-07-15T06:25:36.61 0.3 undecidable manual S 322 41.1255 50 0.19 69
IV.PIEI.HHZ. 2020-07-15T06:25:36.70 0.6 undecidable manual P 335 78.8655 50 0.22 42
IV.SNTG.HHZ. 2020-07-15T06:25:36.10 0.3 undecidable manual S 358 40.0266 50 -0.03 71
IV.FRON.EHZ. 2020-07-15T06:25:35.57 0.6 undecidable manual P 345 71.5728 50 0.2 43
IV.GUMA.HHZ. 2020-07-15T06:25:35.58 0.1 undecidable manual S 59 36.1416 50 0.5 86
IV.ATVO.HHZ. 2020-07-15T06:25:35.39 0.3 undecidable manual P 321 69.9744 50 0.27 64
IV.ARRO.EHZ. 2020-07-15T06:25:35.95 0.3 undecidable manual S 204 38.1285 50 0.32 67
IV.LNSS.HHZ. 2020-07-15T06:25:34.12 0.1 undecidable manual S 168 33.0447 50 -0.14 94
IV.ARVD.HHZ. 2020-07-15T06:25:34.56 0.1 undecidable manual P 359 66.9774 50 -0.1 89
IV.MMO1.EHZ. 2020-07-15T06:25:33.35 0.3 undecidable manual S 89 30.2475 50 -0.17 70
IV.SSFR.HHZ. 2020-07-15T06:25:33.65 0.3 undecidable manual P 347 61.6938 50 -0.2 66
IV.PF6.EHN. 2020-07-15T06:25:33.99 0.3 undecidable manual S 36 33.3444 50 -0.34 67
IV.CSP1.EHZ. 2020-07-15T06:25:33.17 0.1 undecidable manual S 43 29.8479 50 -0.25 92
IV.MURB.HHZ. 2020-07-15T06:25:32.51 1.0 undecidable manual P 320 53.7018 50 -0.11 23
IV.EL6.EHZ. 2020-07-15T06:25:31.85 0.1 undecidable manual P 14 49.7169 50 -0.15 91
IV.SMA1.EHN. 2020-07-15T06:25:31.45 1.0 undecidable manual P 133 42.624 50 0.55 21
IV.GAVE.EHZ. 2020-07-15T06:25:31.53 0.1 undecidable manual S 192 22.9548 114 -0.02 98
IV.MML1.HNE. 2020-07-15T06:25:31.67 0.1 undecidable manual S 3 24.3534 50 -0.28 93
IV.RM33.EHZ. 2020-07-15T06:25:31.60 0.3 undecidable manual P 154 47.7189 50 -0.08 69
IV.MC2.EHZ. 2020-07-15T06:25:30.63 0.3 undecidable manual S 84 19.1697 118 0.26 70
IV.ARRO.EHZ. 2020-07-15T06:25:30.14 1.0 undecidable manual P 204 38.1285 50 -0.08 24
IV.ATCC.EHZ. 2020-07-15T06:25:30.56 0.1 undecidable manual P 322 41.1255 50 -0.11 93
IV.MTRA.EHE. 2020-07-15T06:25:30.04 1.0 undecidable manual P 113 39.0276 50 -0.31 22
IV.CESX.HHZ. 2020-07-15T06:25:30.89 0.3 undecidable manual P 224 43.623 50 -0.16 69
IV.SNTG.HHZ. 2020-07-15T06:25:30.25 0.1 undecidable manual P 358 40.0266 50 -0.25 90
IV.MOMA.HNZ. 2020-07-15T06:25:29.45 0.3 undecidable manual P 252 32.8449 50 0.05 72
IT.GNU.HGE. 2020-07-15T06:25:29.15 1.0 undecidable manual P 252 32.8449 50 -0.24 23
IV.LNSS.HHZ. 2020-07-15T06:25:29.30 0.1 undecidable manual P 168 33.0447 50 -0.13 94
IV.PF6.EHN. 2020-07-15T06:25:29.35 0.1 undecidable manual P 36 33.3444 50 -0.12 94
IV.NRCA.HHZ. 2020-07-15T06:25:29.00 0.1 undecidable manual S 117 14.5743 125 -0.03 99
IV.GUMA.HHZ. 2020-07-15T06:25:29.98 0.1 undecidable manual P 59 36.1416 50 0.08 94
IV.CSP1.EHZ. 2020-07-15T06:25:28.86 0.1 undecidable manual P 43 29.8479 50 -0.08 96
IV.MMO1.EHZ. 2020-07-15T06:25:28.89 0.1 undecidable manual P 89 30.2475 50 -0.1 95
IV.CESI.HHZ. 2020-07-15T06:25:28.44 0.1 undecidable manual S 342 12.9759 129 -0.13 97
IV.MML1.HNE. 2020-07-15T06:25:28.04 0.3 undecidable manual P 3 24.3534 50 -0.05 73
IT.MTCL.HGZ. 2020-07-15T06:25:27.99 0.1 undecidable manual S 18 11.6772 132 -0.24 95
IV.FEMA.HNZ. 2020-07-15T06:25:27.99 0.1 undecidable manual S 46 10.7781 134 -0.02 100
IV.MC2.EHZ. 2020-07-15T06:25:27.28 0.1 undecidable manual P 84 19.1697 118 0.1 97
IV.GAVE.EHZ. 2020-07-15T06:25:27.88 0.1 undecidable manual P 192 22.9548 114 0.02 98
IV.NRCA.HHZ. 2020-07-15T06:25:26.53 0.1 undecidable manual P 117 14.5743 125 0.12 97
IV.FEMA.HNZ. 2020-07-15T06:25:26.02 0.1 undecidable manual P 46 10.7781 134 0.2 96
IV.CESI.HHZ. 2020-07-15T06:25:26.26 0.1 undecidable manual P 342 12.9759 129 0.12 98
IT.MTCL.HGZ. 2020-07-15T06:25:25.97 0.1 undecidable manual P 18 11.6772 132 0.03 100
IT.T1299.EHZ. 2020-07-15T06:25:22.85 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FEMA.HNE. ML:2.1 0.0014888135 0.1408 AML other m 2020-07-15T06:25:28.18
IV.FEMA.HNN. ML:2.0 0.001113977 0.1376 AML other m 2020-07-15T06:25:28.09
IV.CESI.HHN. ML:2.0 0.0010498353 0.08 AML other m 2020-07-15T06:25:28.85
IV.CESI.HNE. ML:1.8 0.0007651862 0.1088 AML other m 2020-07-15T06:25:28.64
IV.CESI.HHE. ML:1.8 0.00075206375 0.0992 AML other m 2020-07-15T06:25:28.63
IV.NRCA.HHN. ML:2.2 0.0015994285000000001 0.1216 AML other m 2020-07-15T06:25:29.16
IV.NRCA.HNN. ML:2.2 0.0014995574999999998 0.1216 AML other m 2020-07-15T06:25:29.16
IV.NRCA.HHE. ML:2.0 0.00107071905 0.1184 AML other m 2020-07-15T06:25:29.85
IV.NRCA.HNE. ML:2.0 0.0010073766 0.1184 AML other m 2020-07-15T06:25:29.86
IV.GAVE.EHN. ML:1.8 0.0004007821 0.1984 AML other m 2020-07-15T06:25:32.03
IV.GAVE.EHE. ML:1.8 0.0004295389 0.1216 AML other m 2020-07-15T06:25:32.49
IV.CSP1.EHE. ML:1.9 0.00035082075 0.2592 AML other m 2020-07-15T06:25:33.94
IV.CSP1.EHN. ML:2.0 0.00049633985 0.16 AML other m 2020-07-15T06:25:33.98
IV.LNSS.HHE. ML:1.6 0.00018179275 0.1408 AML other m 2020-07-15T06:25:34.46
IV.LNSS.HNE. ML:1.6 0.00016366005 0.2304 AML other m 2020-07-15T06:25:36.69
IV.LNSS.HHN. ML:1.6 0.0001753936 0.2592 AML other m 2020-07-15T06:25:34.72
IV.LNSS.HNN. ML:1.5 0.0001476739 0.1696 AML other m 2020-07-15T06:25:34.51
IV.GUMA.HHE. ML:2.1 0.00051376325 0.3392 AML other m 2020-07-15T06:25:35.84
IV.GUMA.HHN. ML:1.8 0.00027389019999999995 0.3808 AML other m 2020-07-15T06:25:38.01
IV.GUMA.HNE. ML:2.1 0.00046978034999999995 0.3104 AML other m 2020-07-15T06:25:35.84
IV.ARRO.EHN. ML:1.6 0.00014073975 0.16 AML other m 2020-07-15T06:25:36.90
IV.ARRO.EHE. ML:1.5 0.00011780544999999999 0.2208 AML other m 2020-07-15T06:25:36.61
IV.ATCC.EHN. ML:1.2 0.000057163615000000004 0.0992 AML other m 2020-07-15T06:25:37.31
IV.ATCC.EHE. ML:1.4 0.00008152912500000001 0.1216 AML other m 2020-07-15T06:25:36.89
IV.CESX.HHN. ML:1.7 0.00014260465 0.24 AML other m 2020-07-15T06:25:38.87
IV.CESX.HHE. ML:1.6 0.0001179713 0.32 AML other m 2020-07-15T06:25:39.86
IV.RM33.HNE. ML:1.7 0.00015221185 0.4608 AML other m 2020-07-15T06:25:40.34
IV.RM33.EHE. ML:1.3 0.000051081235000000004 0.2784 AML other m 2020-07-15T06:25:39.98
IV.RM33.EHN. ML:1.2 0.000037880385 0.24 AML other m 2020-07-15T06:25:39.58
IV.EL6.EHN. ML:1.7 0.000132313135 0.2016 AML other m 2020-07-15T06:25:40.10
IV.EL6.EHE. ML:1.7 0.00013986585 0.16 AML other m 2020-07-15T06:25:39.40
IV.MURB.HHE. ML:1.4 0.00006581289500000001 0.3392 AML other m 2020-07-15T06:25:43.40
IV.MURB.HHN. ML:1.6 0.00010591562500000001 0.24 AML other m 2020-07-15T06:25:44.77
IV.SSFR.HHN. ML:1.6 0.00007717929 0.1984 AML other m 2020-07-15T06:25:45.40
IV.SSFR.HHE. ML:1.6 0.000084504755 0.1792 AML other m 2020-07-15T06:25:44.50
IV.ARVD.HHE. ML:1.2 0.000031548184999999996 0.1024 AML other m 2020-07-15T06:25:45.32
IV.ARVD.HHN. ML:1.2 0.000026855185 0.0992 AML other m 2020-07-15T06:25:44.96
IV.FRON.EHE. ML:1.1 0.00001762584 0.2592 AML other m 2020-07-15T06:25:50.08
IV.FRON.EHN. ML:1.2 0.000026032685 0.2016 AML other m 2020-07-15T06:25:47.66
IV.PIEI.HHN. ML:0.8 0.0000116834205 0.2176 AML other m 2020-07-15T06:25:49.05
IV.PIEI.HHE. ML:1.2 0.0000211198 0.16 AML other m 2020-07-15T06:25:49.08
IV.MPAG.EHE. ML:1.1 0.000016033239 0.16 AML other m 2020-07-15T06:25:50.77
IV.MPAG.EHN. ML:1.1 0.00001717233 0.4992 AML other m 2020-07-15T06:25:53.38
IV.TOLF.HHE. ML:1.6 0.000031690910000000006 0.0384 AML other m 2020-07-15T06:26:06.79
IV.TOLF.HHN. ML:2.2 0.00011425079 0.0608 AML other m 2020-07-15T06:26:06.44
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