Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 05-06-2020 and time 06:11:14 (Italy) in region 4 km NW Massa Martana (PG)

A magnitude ML 1.9 earthquake occured in region: 4 km NW Massa Martana (PG), on

  • 05-06-2020 04:11:14 (UTC)
  • 05-06-2020 06:11:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8060, 12.4980 at 7 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
Massa Martana PG 4 3770 3770
Giano dell'Umbria PG 7 3846 7616
Todi PG 8 16851 24467
Collazzone PG 11 3473 27940
Fratta Todina PG 12 1839 29779
Monte Castello di Vibio PG 12 1567 31346
Gualdo Cattaneo PG 13 6155 37501
Acquasparta TR 13 4778 42279
Castel Ritaldi PG 14 3278 45557
Montefalco PG 16 5679 51236
Bevagna PG 17 5081 56317
Montecastrilli TR 17 5022 61339
Marsciano PG 17 18902 80241
Avigliano Umbro TR 18 2558 82799

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km SW of Foligno (57155 inhabitants)
30 Km NW of Terni (111501 inhabitants)
35 Km S of Perugia (166134 inhabitants)
54 Km NE of Viterbo (67173 inhabitants)
89 Km SE of Arezzo (99543 inhabitants)
89 Km NW of L'Aquila (69753 inhabitants)
91 Km N of Guidonia Montecelio (88673 inhabitants)
97 Km N of Tivoli (56533 inhabitants)
98 Km NE of Civitavecchia (52991 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 1.9 2020-06-05
04:11:14		 42.8058 12.4978 7 2020-11-19
12:36:48		 Bollettino Sismico Italiano INGV 80071631
Reviewed
Rev100 		ML 1.9 2020-06-05
04:11:14		 42.7987 12.51 7 2020-06-05
04:19:53		 Sala Sismica INGV-Roma 79916221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-05 04:11:14 ± 0.08
Latitude 42.8058 ± 0.0045
Longitude 12.4978 ± 0.0061
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80071631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 414
Semi-minor axis of confidence ellipse (meter) 402
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 208
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.61424
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 35
Type of magnitude ML
Reference to an origin 80071631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-10 15:49:28

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 26
Type of magnitude ML
Reference to an origin 79916221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-05 04:19:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GSCL.HHZ. 2020-06-05T04:12:17.80 3.0 undecidable manual Sn 1.65 0
IV.ROSPO.HHZ. 2020-06-05T04:12:11.15 3.0 undecidable manual Sn -0.02 0
IT.PZUN.. 2020-06-05T04:12:06.48 3.0 undecidable manual Pg 0
IV.COR1.EHZ. 2020-06-05T04:11:45.76 3.0 undecidable manual S -0.47 0
IV.MMO1.EHZ. 2020-06-05T04:11:36.25 0.3 undecidable manual S 81 68.1762 50 0.38 64
IV.CSP1.EHZ. 2020-06-05T04:11:35.61 0.6 undecidable manual S 61 65.5899 50 0.44 42
IV.MC2.EHZ. 2020-06-05T04:11:33.96 0.6 undecidable manual S 78 57.3981 50 0.97 35
IV.FDMO.HHZ. 2020-06-05T04:11:32.62 0.6 undecidable manual S 62 54.3012 50 0.46 43
IV.SACS.HHZ. 2020-06-05T04:11:31.14 0.3 undecidable manual S 276 48.1185 50 0.63 61
IV.NRCA.HHZ. 2020-06-05T04:11:31.04 0.3 undecidable manual S 86 50.2164 50 -0.04 71
IV.LNSS.HHZ. 2020-06-05T04:11:30.66 0.6 undecidable manual S 117 49.617 50 -0.25 45
IV.ATCC.EHZ. 2020-06-05T04:11:29.19 0.3 undecidable manual S 15 43.623 50 -0.12 71
IV.ATTE.HNZ. 2020-06-05T04:11:29.51 0.6 undecidable manual S 345 45.0216 50 -0.18 46
IV.CESI.HHZ. 2020-06-05T04:11:28.43 0.3 undecidable manual S 56 39.7269 50 0.15 71
IV.CSP1.EHZ. 2020-06-05T04:11:26.24 0.3 undecidable manual P 61 65.5899 50 -0.15 68
IV.MMO1.EHZ. 2020-06-05T04:11:26.49 0.1 undecidable manual P 81 68.1762 50 -0.31 87
IV.ARRO.EHZ. 2020-06-05T04:11:26.59 0.6 undecidable manual S 139 33.3444 103 0.36 46
IV.MC2.EHZ. 2020-06-05T04:11:25.00 0.3 undecidable manual P 78 57.3981 50 -0.13 69
IV.ATMI.HHZ. 2020-06-05T04:11:25.81 0.3 undecidable manual P 342 61.494 50 0.05 70
IV.FDMO.HHZ. 2020-06-05T04:11:24.35 0.3 undecidable manual P 62 54.3012 50 -0.3 67
IV.MURB.HHZ. 2020-06-05T04:11:24.24 0.3 undecidable manual P 2 50.8158 50 0.13 70
IV.ASSB.HHZ. 2020-06-05T04:11:24.94 0.3 undecidable manual S 26 29.3484 104 0.05 74
IV.NRCA.HHZ. 2020-06-05T04:11:23.63 0.1 undecidable manual P 86 50.2164 50 -0.4 88
IV.ATTE.HNZ. 2020-06-05T04:11:23.75 0.3 undecidable manual P 345 45.0216 50 0.52 64
IV.CESX.HHZ. 2020-06-05T04:11:23.04 0.3 undecidable manual S 162 23.0547 108 0.25 71
IV.LNSS.HHZ. 2020-06-05T04:11:23.43 0.1 undecidable manual P 117 49.617 50 -0.5 86
IV.SACS.HHZ. 2020-06-05T04:11:23.52 0.3 undecidable manual P 276 48.1185 50 -0.18 69
IV.CESI.HHZ. 2020-06-05T04:11:22.23 0.1 undecidable manual P 56 39.7269 50 -0.18 94
IV.ATCC.EHZ. 2020-06-05T04:11:22.78 0.1 undecidable manual P 15 43.623 50 -0.23 92
IV.ARRO.EHZ. 2020-06-05T04:11:21.03 0.1 undecidable manual P 139 33.3444 103 -0.19 95
IV.MGAB.HHZ. 2020-06-05T04:11:21.09 0.1 undecidable manual P 291 33.5442 102 -0.18 95
IV.ASSB.HHZ. 2020-06-05T04:11:20.44 0.1 negative manual P 26 29.3484 104 -0.01 99
IV.CESX.HHZ. 2020-06-05T04:11:19.33 0.1 positive manual P 162 23.0547 108 0.09 98
IT.GNU.HGZ. 2020-06-05T04:11:17.75 0.3 undecidable manual S 92 5.8941 141 0.08 76
IT.GNU.HGZ. 2020-06-05T04:11:16.44 0.1 negative manual P 92 5.8941 141 0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESX.HHE. ML:1.6 0.00030199094999999997 0.24 AML other m 2020-06-05T04:11:23.75
IV.CESX.HHN. ML:1.7 0.00032922125 0.2208 AML other m 2020-06-05T04:11:23.72
IV.ASSB.HHN. ML:1.7 0.00024725314999999996 0.2208 AML other m 2020-06-05T04:11:25.91
IV.ASSB.HHE. ML:1.8 0.00034053014999999996 0.2592 AML other m 2020-06-05T04:11:25.18
IV.ARRO.EHE. ML:1.7 0.00022801955 0.16 AML other m 2020-06-05T04:11:27.57
IV.ARRO.EHN. ML:1.9 0.0003207806 0.2208 AML other m 2020-06-05T04:11:27.58
IV.MGAB.HNE. ML:1.7 0.00021214339999999998 0.1984 AML other m 2020-06-05T04:11:30.89
IV.MGAB.HHN. ML:1.8 0.000305586 0.1792 AML other m 2020-06-05T04:11:29.45
IV.MGAB.HNN. ML:1.8 0.000283301 0.1984 AML other m 2020-06-05T04:11:29.36
IV.MGAB.HHE. ML:1.7 0.0002282872 0.1792 AML other m 2020-06-05T04:11:30.88
IV.CESI.HNN. ML:2.0 0.00038025984999999994 0.2496 AML other m 2020-06-05T04:11:28.71
IV.CESI.HHN. ML:1.8 0.00021429035 0.24 AML other m 2020-06-05T04:11:30.28
IV.CESI.HHE. ML:1.7 0.0001754858 0.0992 AML other m 2020-06-05T04:11:29.75
IV.CESI.HNE. ML:1.7 0.0001644234 0.192 AML other m 2020-06-05T04:11:28.96
IV.ATCC.EHN. ML:1.6 0.00012071947 0.2176 AML other m 2020-06-05T04:11:30.93
IV.ATCC.EHE. ML:1.7 0.00015023995 0.2784 AML other m 2020-06-05T04:11:31.21
IV.LNSS.HNN. ML:2.0 0.00026032324499999996 0.2304 AML other m 2020-06-05T04:11:32.48
IV.LNSS.HNE. ML:2.1 0.00034869415000000003 0.1408 AML other m 2020-06-05T04:11:32.26
IV.LNSS.HHE. ML:2.2 0.00038014435 0.1376 AML other m 2020-06-05T04:11:32.19
IV.LNSS.HHN. ML:2.0 0.0002461435 0.24 AML other m 2020-06-05T04:11:32.48
IV.SACS.HHN. ML:1.2 0.00004704318 0.32 AML other m 2020-06-05T04:11:32.28
IV.NRCA.HNN. ML:2.0 0.00023637105000000002 0.1216 AML other m 2020-06-05T04:11:32.62
IV.NRCA.HNE. ML:1.9 0.00022591035 0.1216 AML other m 2020-06-05T04:11:32.93
IV.NRCA.HHE. ML:2.0 0.00024314859999999998 0.1216 AML other m 2020-06-05T04:11:32.93
IV.NRCA.HHN. ML:2.0 0.0002596166 0.0992 AML other m 2020-06-05T04:11:32.51
IV.MURB.HHN. ML:2.1 0.00030684685 0.32 AML other m 2020-06-05T04:11:36.71
IV.MURB.HHE. ML:2.2 0.00036627219999999997 0.2016 AML other m 2020-06-05T04:11:36.77
IV.MURB.HNN. ML:2.1 0.00029856950000000006 0.3488 AML other m 2020-06-05T04:11:33.68
IV.MURB.HNE. ML:2.2 0.00038062275 0.272 AML other m 2020-06-05T04:11:33.09
IV.FDMO.HHE. ML:1.8 0.0001486142 0.1632 AML other m 2020-06-05T04:11:33.55
IV.FDMO.HHN. ML:1.5 0.00007654957999999999 0.1408 AML other m 2020-06-05T04:11:34.39
IV.ATMI.HHN. ML:2.0 0.00021675415 0.2816 AML other m 2020-06-05T04:11:39.41
IV.ATMI.HHE. ML:2.0 0.0002045087 0.24 AML other m 2020-06-05T04:11:39.41
IV.CSP1.EHN. ML:1.9 0.00013405093499999998 0.2176 AML other m 2020-06-05T04:11:37.31
IV.CSP1.EHE. ML:1.9 0.00015804030999999998 0.3616 AML other m 2020-06-05T04:11:37.72
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