Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 10-04-2020 and time 22:47:52 (UTC) in region 7 km N Valfabbrica (PG)

A magnitude ML 1.8 earthquake occured in region: 7 km N Valfabbrica (PG), on

  • 10-04-2020 22:47:52 (UTC)
  • 11-04-2020 00:47:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2260, 12.5920 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
Valfabbrica PG 7 3389 3389
Gubbio PG 14 32216 35605
Gualdo Tadino PG 16 15208 50813
Fossato di Vico PG 16 2840 53653
Sigillo PG 17 2404 56057
Assisi PG 17 28299 84356
Costacciaro PG 18 1216 85572
Bastia Umbra PG 18 21874 107446

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NE of Perugia (166134 inhabitants)
31 Km NW of Foligno (57155 inhabitants)
63 Km E of Arezzo (99543 inhabitants)
74 Km N of Terni (111501 inhabitants)
77 Km SW of Fano (60888 inhabitants)
81 Km SW of Pesaro (94582 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
93 Km S of Rimini (147750 inhabitants)
98 Km NE of Viterbo (67173 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 1.8 2020-04-10
22:47:52		 43.2258 12.5917 10 2020-07-18
21:08:37		 Bollettino Sismico Italiano INGV 79397691
Reviewed
Rev100 		ML 1.9 2020-04-10
22:47:52		 43.2232 12.5942 11 2020-04-10
22:58:58		 Sala Sismica INGV-Roma 78094111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-10 22:47:52 ± 0.03
Latitude 43.2258 ± 0.0018
Longitude 12.5917 ± 0.0025
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 79397691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 224
Semi-minor axis of confidence ellipse (meter) 122
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 222
Circular confidence region, given by single value of horizontal uncertainty (meter) 220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 82
Number of defining phases 70
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.60794
Number of stations at which the event was observed 49
Number of stations from which data was used for origin computation 38
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 68
Type of magnitude ML
Reference to an origin 78094111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-10 22:58:58

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 43
Type of magnitude ML
Reference to an origin 79397691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-21 07:37:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.HNZ. 2020-04-10T22:48:22.69 3.0 undecidable manual S -1.38 0
IV.PARC.HHZ. 2020-04-10T22:48:10.71 0.6 undecidable manual S 329 54.8007 50 0.41 43
IV.CSP1.EHZ. 2020-04-10T22:48:10.01 0.6 undecidable manual S 106 51.8037 50 0.52 42
IV.RM33.HNZ. 2020-04-10T22:48:09.85 3.0 undecidable manual P 0.41 0
IV.MPAG.EHZ. 2020-04-10T22:48:08.21 0.6 undecidable manual S 17 46.7199 50 0.08 47
IV.MNTT.EHZ. 2020-04-10T22:48:08.58 3.0 positive manual P 1.86 0
IV.BADI.EHZ. 2020-04-10T22:48:07.11 0.3 undecidable manual S 318 42.1245 50 0.2 69
IV.FDMO.HHZ. 2020-04-10T22:48:07.96 0.3 undecidable manual S 117 45.3213 50 0.21 68
IV.NARO.HHZ. 2020-04-10T22:48:07.04 0.3 undecidable manual S 359 42.7239 50 -0.02 72
IV.EL6.EHZ. 2020-04-10T22:48:07.37 0.3 undecidable manual S 74 42.7239 50 0.29 68
IV.APEC.HHZ. 2020-04-10T22:48:06.45 0.3 undecidable manual S 340 39.4272 50 0.28 68
IV.MF5.EHZ. 2020-04-10T22:48:06.72 3.0 negative manual P 0.68 0
IV.ARVD.HHZ. 2020-04-10T22:48:06.75 0.3 undecidable manual S 43 41.3253 50 0.06 71
IV.ATMC.EHE. 2020-04-10T22:48:06.46 0.3 undecidable manual S 307 40.4262 50 0.01 72
IV.MMUR.HNE. 2020-04-10T22:48:06.78 0.3 undecidable manual S 54 40.5261 50 0.3 68
IV.CESX.HHZ. 2020-04-10T22:48:05.77 3.0 positive manual P -0.79 0
IV.CPGN.EHZ. 2020-04-10T22:48:05.45 1.0 undecidable manual P 341 67.4769 50 0.54 20
IV.MMO1.EHZ. 2020-04-10T22:48:05.28 3.0 negative manual P -0.48 0
IV.CESI.HHZ. 2020-04-10T22:48:05.08 0.3 undecidable manual S 134 35.2425 50 0.01 73
IV.SACS.HHZ. 2020-04-10T22:48:05.89 3.0 positive manual P 0.06 0
IV.GUMA.HHZ. 2020-04-10T22:48:04.74 3.0 undecidable manual P 0.75 0
IV.FRON.EHZ. 2020-04-10T22:48:04.53 0.3 undecidable manual S 18 34.1436 50 -0.24 69
IV.MC2.EHZ. 2020-04-10T22:48:04.37 3.0 negative manual P 0.05 0
IV.PIEI.HHZ. 2020-04-10T22:48:04.86 0.1 undecidable manual S 352 34.6431 50 -0.05 96
IV.MML1.HNE. 2020-04-10T22:48:04.35 0.3 undecidable manual S 112 33.1446 50 -0.16 71
IV.ATPI.EHZ. 2020-04-10T22:48:03.21 0.3 undecidable manual S 329 29.2485 50 -0.25 70
IV.ATPC.HHE. 2020-04-10T22:48:03.87 0.3 undecidable manual S 339 30.2475 50 0.13 72
IT.FOPC.HGZ. 2020-04-10T22:48:03.66 0.3 undecidable manual S 162 29.8479 50 0.04 73
IV.ATBU.EHZ. 2020-04-10T22:48:03.27 0.3 undecidable manual S 353 27.9498 50 0.16 71
IV.PARC.HHZ. 2020-04-10T22:48:03.46 0.6 undecidable manual P 329 54.8007 50 0.49 42
IV.PE3.EHZ. 2020-04-10T22:48:03.11 0.3 undecidable manual P 352 52.7028 50 0.47 64
IV.SNTG.HHZ. 2020-04-10T22:48:03.15 0.3 undecidable manual S 83 28.3494 50 -0.09 72
IV.NRCA.HHZ. 2020-04-10T22:48:03.93 3.0 negative manual P -0.92 0
IV.ATMI.HHZ. 2020-04-10T22:48:03.60 0.3 undecidable manual S 295 28.749 50 0.27 70
IV.FIU1.HNZ. 2020-04-10T22:48:03.04 0.3 undecidable manual S 98 27.8499 50 -0.04 73
IV.MGAB.HHZ. 2020-04-10T22:48:02.75 3.0 positive manual P -0.52 0
IV.FEMA.HNE. 2020-04-10T22:48:02.18 0.6 undecidable manual P 128 47.2194 50 0.38 44
IV.SSFR.HNZ. 2020-04-10T22:48:02.86 0.3 undecidable manual S 33 27.9498 50 -0.26 70
IV.ATVA.EHZ. 2020-04-10T22:48:02.01 0.3 undecidable manual S 283 25.4523 111 -0.44 68
IV.CSP1.EHZ. 2020-04-10T22:48:02.47 0.3 undecidable manual P 106 51.8037 50 -0.03 70
IV.EL6.EHZ. 2020-04-10T22:48:01.03 0.3 undecidable manual P 74 42.7239 50 -0.08 71
IV.ATVO.HHZ. 2020-04-10T22:48:01.36 0.3 undecidable manual S 319 22.8549 114 -0.27 70
IV.BADI.EHZ. 2020-04-10T22:48:01.25 0.3 undecidable manual P 318 42.1245 50 0.24 68
IV.MPAG.EHZ. 2020-04-10T22:48:01.64 0.3 undecidable manual P 17 46.7199 50 -0.08 70
IV.FDMO.HHZ. 2020-04-10T22:48:01.28 0.1 undecidable manual P 117 45.3213 50 -0.22 91
IV.ATSC.EHZ. 2020-04-10T22:48:01.82 0.3 undecidable manual S 19 23.2545 113 0.07 73
IT.GNU.HGE. 2020-04-10T22:48:01.95 1.0 undecidable manual P 182 46.8198 50 0.22 23
IV.MOMA.HHZ. 2020-04-10T22:48:01.63 3.0 positive manual P -1.64 0
IV.ATTE.HHZ. 2020-04-10T22:48:00.49 0.3 undecidable manual S 261 19.4694 117 -0.07 74
IT.MTCL.HGZ. 2020-04-10T22:48:00.98 0.6 undecidable manual P 128 41.8248 50 0.01 48
IV.APEC.HHZ. 2020-04-10T22:48:00.53 0.3 undecidable manual P 340 39.4272 50 -0.06 71
IV.ARVD.HHZ. 2020-04-10T22:48:00.76 0.1 undecidable manual P 43 41.3253 50 -0.13 94
IV.ATMC.EHE. 2020-04-10T22:48:00.65 0.3 undecidable manual P 307 40.4262 50 -0.1 71
IV.ATLO.HNZ. 2020-04-10T22:48:00.02 0.3 undecidable manual S 304 17.871 119 -0.05 74
IV.NARO.HHZ. 2020-04-10T22:48:00.87 0.3 undecidable manual P 359 42.7239 50 -0.23 68
IV.MMUR.HNE. 2020-04-10T22:48:00.70 0.3 undecidable manual P 54 40.5261 50 -0.07 71
IV.CESI.HHZ. 2020-04-10T22:47:59.86 0.1 undecidable manual P 134 35.2425 50 -0.09 95
IV.MML1.HNE. 2020-04-10T22:47:59.41 0.3 undecidable manual P 112 33.1446 50 -0.22 70
IV.ATMI.HHZ. 2020-04-10T22:47:59.14 0.3 undecidable manual P 295 28.749 50 0.19 71
IV.ATPC.HHE. 2020-04-10T22:47:59.17 0.3 undecidable manual P 339 30.2475 50 -0.01 73
IV.FOSV.EHZ. 2020-04-10T22:47:59.41 0.3 undecidable manual S 61 15.6732 123 -0.01 75
IV.FRON.EHZ. 2020-04-10T22:47:59.52 0.3 undecidable manual P 18 34.1436 50 -0.26 69
IV.ATFO.HHZ. 2020-04-10T22:47:59.50 0.3 undecidable manual S 354 15.6732 123 0.08 74
IV.PIEI.HHZ. 2020-04-10T22:47:59.68 0.3 undecidable manual P 352 34.6431 50 -0.18 70
IV.SNTG.HHZ. 2020-04-10T22:47:58.73 0.1 undecidable manual P 83 28.3494 50 -0.17 95
IV.FIU1.HNZ. 2020-04-10T22:47:58.61 0.3 undecidable manual P 98 27.8499 50 -0.19 71
IV.ATPI.EHZ. 2020-04-10T22:47:58.92 0.3 undecidable manual P 329 29.2485 50 -0.1 72
IV.SEF1.HNZ. 2020-04-10T22:47:58.95 0.3 undecidable manual P 107 30.1476 50 -0.2 70
IT.FOPC.HGZ. 2020-04-10T22:47:58.95 0.3 undecidable manual P 162 29.8479 50 -0.16 71
IV.ATBU.EHZ. 2020-04-10T22:47:58.78 0.3 undecidable manual P 353 27.9498 50 -0.04 73
IV.SSFR.HNZ. 2020-04-10T22:47:58.60 0.1 undecidable manual P 33 27.9498 50 -0.22 94
IV.ATVA.EHZ. 2020-04-10T22:47:58.19 0.3 undecidable manual P 283 25.4523 111 -0.25 70
IV.MURB.HHZ. 2020-04-10T22:47:57.33 0.3 undecidable manual S 307 6.7932 146 0.17 74
IV.ATSC.EHZ. 2020-04-10T22:47:57.95 0.1 undecidable manual P 19 23.2545 113 -0.08 97
IV.ATLO.HNZ. 2020-04-10T22:47:57.06 0.1 undecidable manual P 304 17.871 119 0 100
IV.ATCC.EHZ. 2020-04-10T22:47:57.22 0.3 undecidable manual S 139 5.994 149 0.21 73
IV.ATTE.HHZ. 2020-04-10T22:47:57.36 0.1 undecidable manual P 261 19.4694 117 0.01 100
IV.ATVO.HHZ. 2020-04-10T22:47:57.80 0.1 undecidable manual P 319 22.8549 114 -0.17 96
IV.ATFO.HHZ. 2020-04-10T22:47:56.76 0.1 undecidable manual P 354 15.6732 123 0.07 99
IV.FOSV.EHZ. 2020-04-10T22:47:56.75 0.1 positive manual P 61 15.6732 123 0.06 99
IV.MURB.HHZ. 2020-04-10T22:47:55.64 0.1 undecidable manual P 307 6.7932 146 0.25 97
IV.ATCC.EHZ. 2020-04-10T22:47:55.56 0.1 undecidable manual P 139 5.994 149 0.27 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHN. ML:1.8 0.0006285 0.5 AML other m 2020-04-10T22:47:59.50
IV.FOSV.EHE. ML:2.0 0.000968 0.46 AML other m 2020-04-10T22:47:59.63
IV.ATFO.HHN. ML:1.8 0.0006185 0.6 AML other m 2020-04-10T22:47:59.64
IV.ATFO.HHE. ML:2.1 0.0011065 0.3 AML other m 2020-04-10T22:47:59.80
IV.ATTE.HHE. ML:1.8 0.0004935 0.32 AML other m 2020-04-10T22:48:01.63
IV.ATTE.HHN. ML:1.8 0.0004335 0.94 AML other m 2020-04-10T22:48:01.20
IV.ATPI.EHE. ML:1.6 0.0001835 0.74 AML other m 2020-04-10T22:48:03.32
IV.ATPI.EHN. ML:1.6 0.00021750000000000003 0.18 AML other m 2020-04-10T22:48:03.45
IV.SNTG.HHE. ML:2.1 0.000601 0.36 AML other m 2020-04-10T22:48:03.40
IV.SNTG.HNE. ML:2.1 0.0006799999999999999 0.36 AML other m 2020-04-10T22:48:03.58
IV.SNTG.HNN. ML:1.9 0.0004095 1.02 AML other m 2020-04-10T22:48:04.54
IV.ATMI.HHE. ML:1.8 0.00035099999999999997 0.44 AML other m 2020-04-10T22:48:04.42
IV.ATMI.HHN. ML:1.7 0.0002635 0.94 AML other m 2020-04-10T22:48:04.66
IV.SNTG.HHN. ML:1.9 0.0003965 0.2 AML other m 2020-04-10T22:48:04.87
IV.FRON.EHE. ML:1.9 0.0003285 0.46 AML other m 2020-04-10T22:48:05.23
IV.CESI.HHN. ML:1.7 0.0001975 0.3 AML other m 2020-04-10T22:48:05.57
IV.PIEI.HHN. ML:2.0 0.000373 0.24 AML other m 2020-04-10T22:48:05.82
IV.PIEI.HHE. ML:2.1 0.00046300000000000003 0.2 AML other m 2020-04-10T22:48:05.82
IV.FRON.EHN. ML:2.1 0.0005110000000000001 1.16 AML other m 2020-04-10T22:48:05.79
IV.CESI.HHE. ML:1.7 0.000219 1.42 AML other m 2020-04-10T22:48:06.77
IV.ARVD.HHE. ML:1.9 0.0002915 1.08 AML other m 2020-04-10T22:48:06.45
IV.APEC.HHN. ML:1.7 0.000184 1.36 AML other m 2020-04-10T22:48:07.11
IV.ARVD.HHN. ML:1.7 0.000174 0.4 AML other m 2020-04-10T22:48:07.36
IV.BADI.EHE. ML:1.7 0.00016249999999999997 1.84 AML other m 2020-04-10T22:48:08.00
IV.BADI.EHN. ML:1.8 0.0002145 1.48 AML other m 2020-04-10T22:48:08.25
IV.APEC.HHE. ML:1.6 0.0001555 0.4 AML other m 2020-04-10T22:48:09.51
IV.MOMA.HHN. ML:1.8 0.000168 0.32 AML other m 2020-04-10T22:48:10.42
IV.MOMA.HHE. ML:1.9 0.000223 0.2 AML other m 2020-04-10T22:48:10.70
IV.MPAG.EHE. ML:1.6 0.0001224 0.8 AML other m 2020-04-10T22:48:10.35
IV.MPAG.EHN. ML:1.6 0.00010899999999999999 1.44 AML other m 2020-04-10T22:48:11.89
IV.PARC.HHN. ML:1.6 0.00009340000000000001 0.18 AML other m 2020-04-10T22:48:12.32
IV.PARC.HHE. ML:1.6 0.00009235 1.68 AML other m 2020-04-10T22:48:13.00
IV.NRCA.HHE. ML:1.8 0.00011949999999999999 1.88 AML other m 2020-04-10T22:48:13.04
IV.COR1.EHN. ML:1.9 0.000193 0.44 AML other m 2020-04-10T22:48:13.28
IV.COR1.EHE. ML:1.7 0.0001255 0.48 AML other m 2020-04-10T22:48:13.63
IV.GUMA.HHN. ML:2.0 0.0001745 0.42 AML other m 2020-04-10T22:48:14.67
IV.NRCA.HHN. ML:1.8 0.00011449999999999999 0.12 AML other m 2020-04-10T22:48:15.19
IV.SACS.HHN. ML:1.9 0.000131 1.7 AML other m 2020-04-10T22:48:15.95
IV.CESX.HHN. ML:1.8 0.00010564999999999999 0.96 AML other m 2020-04-10T22:48:17.14
IV.CESX.HHE. ML:1.6 0.0000678 1.14 AML other m 2020-04-10T22:48:18.72
IV.GUMA.HHE. ML:2.0 0.000188 1.26 AML other m 2020-04-10T22:48:19.89
IV.SACS.HHE. ML:1.7 0.0000797 0.26 AML other m 2020-04-10T22:48:20.13
IV.MNTT.EHN. ML:2.0 0.000143 0.32 AML other m 2020-04-10T22:48:24.77
IV.MNTT.EHE. ML:2.0 0.000117 0.62 AML other m 2020-04-10T22:48:29.45
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