Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 17-04-2020 and time 07:11:52 (UTC) in region 6 km NE Trevi (PG)

A magnitude ML 1.7 earthquake occured in region: 6 km NE Trevi (PG), on

  • 17-04-2020 07:11:52 (UTC)
  • 17-04-2020 09:11:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9250, 12.7830 at 8 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
Trevi PG 6 8469 8469
Foligno PG 7 57155 65624
Montefalco PG 11 5679 71303
Campello sul Clitunno PG 12 2442 73745
Spello PG 12 8645 82390
Sellano PG 12 1079 83469
Bevagna PG 14 5081 88550
Castel Ritaldi PG 14 3278 91828
Valtopina PG 15 1398 93226
Cerreto di Spoleto PG 16 1075 94301
Cannara PG 18 4305 98606
Vallo di Nera PG 18 364 98970
Gualdo Cattaneo PG 19 6155 105125
Monte Cavallo MC 19 145 105270
Giano dell'Umbria PG 20 3846 109116

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km E of Foligno (57155 inhabitants)
38 Km SE of Perugia (166134 inhabitants)
42 Km N of Terni (111501 inhabitants)
79 Km NE of Viterbo (67173 inhabitants)
81 Km W of Teramo (54892 inhabitants)
81 Km NW of L'Aquila (69753 inhabitants)
95 Km SE of Arezzo (99543 inhabitants)
97 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 2020-04-17
07:11:52		 42.9248 12.7833 8 2020-07-18
21:08:35		 Bollettino Sismico Italiano INGV 78832101
Reviewed
Rev100 		ML 1.7 2020-04-17
07:11:52		 42.9378 12.7787 10 2020-04-17
07:21:17		 Sala Sismica INGV-Roma 78312181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-17 07:11:52 ± 0.05
Latitude 42.9248 ± 0.0027
Longitude 12.7833 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78832101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 287
Semi-minor axis of confidence ellipse (meter) 136
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 209
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 38
Number of associated phases, regardless of their use for origin computation 68
Number of defining phases 65
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.82468
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 36
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 58
Type of magnitude ML
Reference to an origin 78832101
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-04 09:32:47

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 58
Type of magnitude ML
Reference to an origin 78312181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-17 07:21:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ROSPO.HHZ. 2020-04-17T07:12:45.65 3.0 undecidable manual Sn 2.08 0
IV.ROM9.HNZ. 2020-04-17T07:12:26.05 3.0 undecidable manual S 0.1 0
IV.ROSPO.HHZ. 2020-04-17T07:12:23.91 3.0 undecidable manual Pg 3.47 0
IV.NARO.HHZ. 2020-04-17T07:12:17.03 0.3 undecidable manual S 348 77.8665 50 0.69 56
IV.TERO.HHZ. 2020-04-17T07:12:16.41 0.6 undecidable manual S 116 74.7696 50 0.89 34
IV.PIEI.HHZ. 2020-04-17T07:12:15.04 0.3 undecidable manual S 344 70.6737 50 0.62 58
IV.ATPI.EHZ. 2020-04-17T07:12:13.52 0.6 undecidable manual S 332 65.9895 50 0.35 42
IV.FRON.EHZ. 2020-04-17T07:12:13.54 0.3 undecidable manual S 356 65.8896 50 0.38 63
IV.MF5.EHZ. 2020-04-17T07:12:11.44 0.3 undecidable manual S 83 55.4001 50 1.1 48
IV.ATVO.HHZ. 2020-04-17T07:12:11.63 0.3 undecidable manual S 329 59.1963 50 0.28 65
IV.SSFR.HHZ. 2020-04-17T07:12:11.12 0.3 undecidable manual S 360 56.6988 50 0.42 64
IV.RM33.EHZ. 2020-04-17T07:12:11.28 0.3 undecidable manual S 143 57.9975 50 0.23 66
IV.EL6.EHZ. 2020-04-17T07:12:09.65 0.3 undecidable manual S 30 51.7038 50 0.28 66
IV.ATFO.HHZ. 2020-04-17T07:12:09.71 0.1 undecidable manual S 341 51.9036 50 0.29 88
IV.PARC.HHZ. 2020-04-17T07:12:08.72 0.3 undecidable manual P 331 91.5417 50 0.37 60
IV.ATTE.HHZ. 2020-04-17T07:12:08.04 0.3 undecidable manual S 311 46.1205 50 0.16 68
IV.MURB.HHZ. 2020-04-17T07:12:07.44 0.3 undecidable manual S 331 42.9237 50 0.41 65
IV.MMO1.EHZ. 2020-04-17T07:12:07.33 0.1 undecidable manual S 93 44.2224 50 -0.04 94
IV.LNSS.HHZ. 2020-04-17T07:12:06.38 0.3 undecidable manual S 150 41.4252 50 -0.23 68
IV.BADI.EHZ. 2020-04-17T07:12:06.45 0.1 undecidable manual P 326 78.1662 50 0.16 86
IV.FOSV.EHZ. 2020-04-17T07:12:06.55 0.3 undecidable manual S 358 41.0256 50 0.03 71
IV.SNTG.HHZ. 2020-04-17T07:12:06.23 0.3 undecidable manual S 19 38.7279 50 0.32 67
IV.CSP1.EHZ. 2020-04-17T07:12:05.93 0.3 undecidable manual S 61 38.9277 50 -0.01 71
IV.TERO.HHZ. 2020-04-17T07:12:05.90 0.1 undecidable manual P 116 74.7696 50 0.14 87
IV.CESX.HHZ. 2020-04-17T07:12:05.60 0.3 undecidable manual S 205 38.5281 50 -0.26 68
IV.ARRO.EHZ. 2020-04-17T07:12:05.83 0.3 undecidable manual S 182 38.3283 50 0.02 71
IV.NARO.HHZ. 2020-04-17T07:12:05.93 0.1 undecidable manual P 348 77.8665 50 -0.31 83
IV.ATPI.EHZ. 2020-04-17T07:12:04.13 0.1 positive manual P 332 65.9895 50 -0.28 86
IV.PIEI.HHZ. 2020-04-17T07:12:04.85 0.1 positive manual P 344 70.6737 50 -0.28 85
IV.FRON.EHZ. 2020-04-17T07:12:03.97 0.1 undecidable manual P 356 65.8896 50 -0.43 83
IV.ARVD.HHZ. 2020-04-17T07:12:03.84 0.1 undecidable manual P 11 64.8906 50 -0.4 84
IV.ATCC.EHZ. 2020-04-17T07:12:03.49 0.3 undecidable manual S 338 31.1466 105 -0.11 71
IV.FDMO.HHZ. 2020-04-17T07:12:02.29 0.3 undecidable manual S 63 27.6501 106 -0.14 71
IV.RM33.EHZ. 2020-04-17T07:12:02.94 0.1 undecidable manual P 143 57.9975 50 -0.24 88
IV.MF5.EHZ. 2020-04-17T07:12:02.93 0.3 undecidable manual P 83 55.4001 50 0.15 67
IV.MML1.HNE. 2020-04-17T07:12:02.09 0.3 undecidable manual S 36 25.9518 107 0.22 70
IV.ATVO.HHZ. 2020-04-17T07:12:02.95 0.1 positive manual P 329 59.1963 50 -0.41 84
IV.SSFR.HHZ. 2020-04-17T07:12:02.37 0.1 undecidable manual P 360 56.6988 50 -0.62 80
IV.MGAB.HHZ. 2020-04-17T07:12:02.71 0.1 undecidable manual P 269 54.501 50 0.06 92
IV.ATTE.HHZ. 2020-04-17T07:12:01.07 0.1 undecidable manual P 311 46.1205 50 -0.29 89
IV.FEMA.HNE. 2020-04-17T07:12:01.02 0.3 undecidable manual S 79 22.0668 110 0.43 67
IV.EL6.EHZ. 2020-04-17T07:12:01.93 0.1 positive manual P 30 51.7038 50 -0.29 88
IV.MOMA.HHZ. 2020-04-17T07:12:01.07 0.3 undecidable manual S 232 21.9669 110 0.51 66
IV.ATFO.HHZ. 2020-04-17T07:12:01.92 0.1 positive manual P 341 51.9036 50 -0.32 87
IT.GNU.HGZ. 2020-04-17T07:12:01.08 0.3 undecidable manual S 232 21.9669 110 0.52 66
IV.ARRO.EHZ. 2020-04-17T07:12:00.60 0.6 undecidable manual P 182 38.3283 50 0.44 44
IV.LNSS.HHZ. 2020-04-17T07:12:00.42 0.3 undecidable manual P 150 41.4252 50 -0.21 68
IV.CESX.HHZ. 2020-04-17T07:12:00.06 0.1 undecidable manual P 205 38.5281 50 -0.13 93
IV.MURB.HHZ. 2020-04-17T07:12:00.56 0.1 positive manual P 331 42.9237 50 -0.3 89
IV.FOSV.EHZ. 2020-04-17T07:12:00.10 0.1 positive manual P 358 41.0256 50 -0.47 86
IV.MMO1.EHZ. 2020-04-17T07:12:00.83 0.1 undecidable manual P 93 44.2224 50 -0.23 90
IV.SNTG.HHZ. 2020-04-17T07:11:59.65 0.1 positive manual P 19 38.7279 50 -0.57 84
IT.MTCL.HGZ. 2020-04-17T07:11:59.68 0.3 undecidable manual S 66 19.1697 113 0.02 74
IV.CSP1.EHZ. 2020-04-17T07:11:59.99 0.1 positive manual P 61 38.9277 50 -0.25 91
IV.MC2.EHZ. 2020-04-17T07:11:59.24 0.1 undecidable manual P 92 33.0447 104 -0.01 96
IV.SEF1.HNN. 2020-04-17T07:11:58.12 0.3 undecidable manual P 28 27.9498 106 -0.17 71
IV.ATCC.EHZ. 2020-04-17T07:11:58.54 0.1 positive manual P 338 31.1466 105 -0.35 90
IV.FDMO.HHZ. 2020-04-17T07:11:58.11 0.1 positive manual P 63 27.6501 106 -0.1 95
IV.NRCA.HHZ. 2020-04-17T07:11:58.09 0.1 undecidable manual P 111 28.749 106 -0.34 91
IV.CESI.HHZ. 2020-04-17T07:11:57.97 0.1 undecidable manual S 48 13.2756 121 0.13 97
IT.GNU.HGZ. 2020-04-17T07:11:57.27 0.1 undecidable manual P 232 21.9669 110 0.14 96
IV.FEMA.HNE. 2020-04-17T07:11:57.40 0.1 undecidable manual P 79 22.0668 110 0.25 93
IV.MML1.HNE. 2020-04-17T07:11:57.76 0.1 positive manual P 36 25.9518 107 -0.12 95
IV.MOMA.HHZ. 2020-04-17T07:11:57.16 0.1 positive manual P 232 21.9669 110 0.03 98
IT.MTCL.HGZ. 2020-04-17T07:11:56.70 0.1 undecidable manual P 66 19.1697 113 0.09 97
IT.FOPC.HGZ. 2020-04-17T07:11:56.48 0.1 undecidable manual S 307 8.1807 135 0.04 100
IV.CESI.HHZ. 2020-04-17T07:11:55.77 0.1 positive manual P 48 13.2756 121 0.21 96
IT.FOPC.HGZ. 2020-04-17T07:11:54.91 0.1 positive manual P 307 8.1807 135 0.16 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.9 0.0009604999999999999 0.18 AML other m 2020-04-17T07:11:58.07
IV.CESI.HHE. ML:1.7 0.00058 1.66 AML other m 2020-04-17T07:11:58.96
IV.MOMA.HHE. ML:2.1 0.0008565000000000001 0.48 AML other m 2020-04-17T07:12:01.33
IV.MOMA.HNE. ML:2.1 0.0008160000000000001 0.48 AML other m 2020-04-17T07:12:01.33
IV.MOMA.HHN. ML:2.0 0.000665 0.12 AML other m 2020-04-17T07:12:02.13
IV.MOMA.HNN. ML:1.9 0.000615 0.18 AML other m 2020-04-17T07:12:02.05
IV.FDMO.HHE. ML:1.9 0.000439 0.26 AML other m 2020-04-17T07:12:02.56
IV.FDMO.HHN. ML:1.8 0.00034100000000000005 0.76 AML other m 2020-04-17T07:12:02.89
IV.NRCA.HHN. ML:1.8 0.0003235 0.12 AML other m 2020-04-17T07:12:03.65
IV.ATCC.EHN. ML:2.4 0.0012050000000000001 1.64 AML other m 2020-04-17T07:12:03.16
IV.ATCC.EHE. ML:2.3 0.0008810000000000001 0.22 AML other m 2020-04-17T07:12:04.16
IV.NRCA.HHE. ML:1.7 0.000264 0.84 AML other m 2020-04-17T07:12:04.47
IV.NRCA.HNE. ML:1.8 0.000312 0.92 AML other m 2020-04-17T07:12:05.42
IV.NRCA.HNN. ML:1.9 0.000397 0.88 AML other m 2020-04-17T07:12:06.58
IV.SNTG.HHN. ML:1.4 0.00009920000000000001 1.28 AML other m 2020-04-17T07:12:07.80
IV.SNTG.HHE. ML:1.4 0.00009805 0.62 AML other m 2020-04-17T07:12:07.64
IV.CSP1.EHN. ML:1.8 0.0002265 0.26 AML other m 2020-04-17T07:12:07.90
IV.MURB.HNE. ML:2.3 0.000641 0.44 AML other m 2020-04-17T07:12:08.22
IV.MURB.HHE. ML:2.3 0.0006594999999999999 0.44 AML other m 2020-04-17T07:12:08.22
IV.ARRO.EHN. ML:1.7 0.000182 1.04 AML other m 2020-04-17T07:12:08.77
IV.CESX.HHN. ML:1.9 0.00028900000000000003 1.48 AML other m 2020-04-17T07:12:09.02
IV.CESX.HHE. ML:1.9 0.000265 0.5 AML other m 2020-04-17T07:12:09.03
IV.ARRO.EHE. ML:1.6 0.00014000000000000001 0.24 AML other m 2020-04-17T07:12:09.43
IV.CSP1.EHE. ML:1.8 0.000251 0.64 AML other m 2020-04-17T07:12:09.59
IV.FOSV.EHE. ML:1.5 0.00010700000000000001 0.48 AML other m 2020-04-17T07:12:09.79
IV.MURB.HNN. ML:2.2 0.000454 0.36 AML other m 2020-04-17T07:12:09.87
IV.MURB.HHN. ML:2.2 0.0005024999999999999 0.38 AML other m 2020-04-17T07:12:09.88
IV.ATFO.HHN. ML:1.8 0.000157 0.18 AML other m 2020-04-17T07:12:10.40
IV.ATFO.HHE. ML:1.9 0.0001875 0.16 AML other m 2020-04-17T07:12:10.62
IV.FOSV.EHN. ML:1.6 0.00012405 0.46 AML other m 2020-04-17T07:12:11.41
IV.MF5.EHN. ML:1.8 0.00014544999999999998 0.38 AML other m 2020-04-17T07:12:11.61
IV.MF5.EHE. ML:1.7 0.0001149 0.34 AML other m 2020-04-17T07:12:11.56
IV.EL6.EHE. ML:2.0 0.0002305 1.34 AML other m 2020-04-17T07:12:11.98
IV.SSFR.HHE. ML:1.9 0.000168 1.78 AML other m 2020-04-17T07:12:13.04
IV.RM33.EHN. ML:1.6 0.00008925 0.26 AML other m 2020-04-17T07:12:13.33
IV.EL6.EHN. ML:1.9 0.0001915 0.3 AML other m 2020-04-17T07:12:13.70
IV.SSFR.HHN. ML:2.0 0.0001995 1.56 AML other m 2020-04-17T07:12:13.79
IV.RM33.EHE. ML:1.7 0.0001052 0.9 AML other m 2020-04-17T07:12:14.85
IV.ARVD.HHE. ML:1.3 0.0000423 0.68 AML other m 2020-04-17T07:12:15.42
IV.FRON.EHN. ML:1.6 0.00006775000000000001 0.3 AML other m 2020-04-17T07:12:15.86
IV.FRON.EHE. ML:1.4 0.00004555 0.3 AML other m 2020-04-17T07:12:15.89
IV.PIEI.HHE. ML:1.6 0.0000582 0.32 AML other m 2020-04-17T07:12:16.34
IV.ATVO.HHE. ML:1.6 0.00008324999999999999 0.3 AML other m 2020-04-17T07:12:16.25
IV.ATVO.HHN. ML:1.4 0.00005735 1.16 AML other m 2020-04-17T07:12:16.28
IV.ATPI.EHN. ML:1.6 0.0000735 1.54 AML other m 2020-04-17T07:12:17.10
IV.ATTE.HHE. ML:1.2 0.0000472 0.72 AML other m 2020-04-17T07:12:17.55
IV.PIEI.HHN. ML:1.5 0.00005515 1.34 AML other m 2020-04-17T07:12:17.74
IV.ATTE.HHN. ML:1.3 0.0000553 0.5 AML other m 2020-04-17T07:12:18.39
IV.NARO.HHN. ML:1.5 0.000043049999999999996 0.26 AML other m 2020-04-17T07:12:18.44
IV.TERO.HHN. ML:1.3 0.000032 0.42 AML other m 2020-04-17T07:12:18.63
IV.ARVD.HHN. ML:1.3 0.000038 0.84 AML other m 2020-04-17T07:12:19.07
IV.NARO.HHE. ML:1.5 0.000047149999999999994 0.26 AML other m 2020-04-17T07:12:19.18
IV.ATPI.EHE. ML:1.4 0.00005025 0.42 AML other m 2020-04-17T07:12:19.72
IV.BADI.EHE. ML:1.6 0.0000532 0.86 AML other m 2020-04-17T07:12:20.53
IV.TERO.HHE. ML:1.2 0.000027499999999999998 1.24 AML other m 2020-04-17T07:12:21.23
IV.BADI.EHN. ML:1.6 0.0000535 0.28 AML other m 2020-04-17T07:12:22.81
IV.PARC.HHN. ML:1.6 0.000037900000000000006 0.52 AML other m 2020-04-17T07:12:24.50
IV.PARC.HHE. ML:1.3 0.00002615 0.62 AML other m 2020-04-17T07:12:25.10
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