Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 27-05-2020 and time 15:23:46 (Italy) in region 6 km W Visso (MC)

A magnitude ML 1.5 earthquake occured in region: 6 km W Visso (MC), on

  • 27-05-2020 13:23:46 (UTC)
  • 27-05-2020 15:23:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9290, 13.0200 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
Visso MC 6 1107 1107
Preci PG 6 724 1831
Monte Cavallo MC 8 145 1976
Sellano PG 9 1079 3055
Ussita MC 10 444 3499
Castelsantangelo sul Nera MC 12 281 3780
Pieve Torina MC 13 1458 5238
Fiordimonte MC 13 202 5440
Cerreto di Spoleto PG 15 1075 6515
Pievebovigliana MC 16 866 7381
Norcia PG 16 4957 12338
Fiastra MC 16 559 12897
Serravalle di Chienti MC 17 1070 13967
Acquacanina MC 17 121 14088
Muccia MC 17 915 15003
Bolognola MC 18 142 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
51 Km NE of Terni (111501 inhabitants)
55 Km E of Perugia (166134 inhabitants)
63 Km W of Teramo (54892 inhabitants)
71 Km NW of L'Aquila (69753 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
94 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 1.5 2020-05-27
13:23:46		 42.9287 13.0202 7 2020-11-19
12:36:50		 Bollettino Sismico Italiano INGV 80491821
Reviewed
Rev100 		ML 1.5 2020-05-27
13:23:46		 42.9327 13.0143 7 2020-05-27
13:51:49		 Sala Sismica INGV-Roma 79622361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-27 13:23:46 ± 0.05
Latitude 42.9287 ± 0.0018
Longitude 13.0202 ± 0.0037
Depth (km) 7 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80491821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 218
Semi-minor axis of confidence ellipse (meter) 212
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 232
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) 48
Number of associated phases, regardless of their use for origin computation 51
Number of defining phases 50
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.57197
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 79622361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-27 13:51:49

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 19
Type of magnitude ML
Reference to an origin 80491821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-25 14:44:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHE. 2020-05-27T13:24:07.04 0.6 undecidable manual S 354 63.492 50 0.45 57
IV.SSFR.HHN. 2020-05-27T13:24:06.11 0.6 undecidable manual S 341 59.496 50 0.58 55
IV.ATSC.EHE. 2020-05-27T13:24:06.03 0.6 undecidable manual S 334 61.1943 50 0.04 62
IV.TERO.HHZ. 2020-05-27T13:24:05.26 3.0 undecidable manual S -1.46 0
IV.MURB.HHZ. 2020-05-27T13:24:04.79 0.6 undecidable manual S 313 54.6009 50 0.55 56
IV.CAMP.HHE. 2020-05-27T13:24:03.90 0.6 undecidable manual S 144 53.9016 50 -0.13 62
IV.CESX.HHZ. 2020-05-27T13:24:03.18 0.6 undecidable manual S 225 50.1165 50 0.17 62
IV.RM33.HNE. 2020-05-27T13:24:02.75 0.6 undecidable manual S 161 49.2174 50 -0.03 63
IV.EL6.EHZ. 2020-05-27T13:24:01.39 0.3 undecidable manual S 8 44.9217 50 -0.25 92
IV.SMA1.EHN. 2020-05-27T13:24:00.48 0.6 undecidable manual S 142 41.8248 50 -0.34 60
IV.MOMA.HHN. 2020-05-27T13:24:00.13 0.6 undecidable manual S 249 39.1275 100 0.08 64
IV.ATCC.EHZ. 2020-05-27T13:24:00.69 0.6 undecidable manual S 313 41.9247 50 -0.15 63
IV.SNTG.HHZ. 2020-05-27T13:23:59.09 0.6 undecidable manual S 350 36.741 101 -0.16 63
IV.LNSS.HHE. 2020-05-27T13:23:59.20 0.6 undecidable manual S 177 36.2415 101 0.15 63
IV.ARVD.HHE. 2020-05-27T13:23:58.25 0.6 undecidable manual P 354 63.492 50 0.25 59
IV.MTRA.EHZ. 2020-05-27T13:23:58.78 0.6 undecidable manual S 122 36.0417 101 -0.23 62
IV.ATSC.EHE. 2020-05-27T13:23:57.94 0.6 undecidable manual P 334 61.1943 50 0.29 59
IV.GUMA.HNN. 2020-05-27T13:23:57.34 0.6 undecidable manual S 60 29.5482 103 0.54 59
IV.ASSB.HHZ. 2020-05-27T13:23:57.49 0.3 undecidable manual S 293 31.9458 102 -0.12 96
IV.SSFR.HHN. 2020-05-27T13:23:57.35 0.6 undecidable manual P 341 59.496 50 -0.04 62
IV.CESX.HHZ. 2020-05-27T13:23:56.46 0.6 undecidable manual P 225 50.1165 50 0.52 57
IV.MURB.HHZ. 2020-05-27T13:23:56.81 0.6 undecidable manual P 313 54.6009 50 0.17 61
IV.CAMP.HHE. 2020-05-27T13:23:56.04 0.6 undecidable manual P 144 53.9016 50 -0.48 57
IV.MMO1.EHZ. 2020-05-27T13:23:55.33 0.3 undecidable manual S 97 25.1526 105 0.02 100
IV.RM33.HNE. 2020-05-27T13:23:55.40 0.6 undecidable manual P 161 49.2174 50 -0.4 59
IV.PF6.EHZ. 2020-05-27T13:23:55.88 0.3 undecidable manual S 31 27.1506 104 -0.11 97
IV.ATCC.EHZ. 2020-05-27T13:23:54.21 0.6 undecidable manual P 313 41.9247 50 -0.47 59
IV.SMA1.EHN. 2020-05-27T13:23:54.61 0.6 undecidable manual P 142 41.8248 50 -0.06 64
IV.EL6.EHZ. 2020-05-27T13:23:54.70 0.3 undecidable manual P 8 44.9217 50 -0.44 88
IV.MML1.HNZ. 2020-05-27T13:23:54.07 0.6 undecidable manual S 349 20.868 108 0.18 65
IV.CSP1.EHZ. 2020-05-27T13:23:54.75 0.6 undecidable manual S 40 23.4543 106 -0.01 67
IV.MOMA.HHN. 2020-05-27T13:23:53.92 0.6 undecidable manual P 249 39.1275 100 -0.31 61
IV.MTRA.EHZ. 2020-05-27T13:23:53.24 0.3 undecidable manual P 122 36.0417 101 -0.39 90
IV.SNTG.HHZ. 2020-05-27T13:23:53.40 0.6 undecidable manual P 350 36.741 101 -0.36 61
IV.LNSS.HHE. 2020-05-27T13:23:53.42 0.6 undecidable manual P 177 36.2415 101 -0.22 62
IV.ASSB.HHZ. 2020-05-27T13:23:52.77 0.3 undecidable manual P 293 31.9458 102 -0.04 98
IV.MC2.EHZ. 2020-05-27T13:23:52.03 0.6 undecidable manual S 98 13.875 117 0.4 63
IV.GUMA.HNN. 2020-05-27T13:23:52.44 0.3 undecidable manual P 60 29.5482 103 0.09 97
IV.PF6.EHZ. 2020-05-27T13:23:52.36 0.3 undecidable manual P 31 27.1506 104 0.48 90
IV.NRCA.HHZ. 2020-05-27T13:23:51.80 0.3 undecidable manual S 144 13.0758 118 0.41 94
IV.CSP1.EHZ. 2020-05-27T13:23:51.32 0.6 undecidable manual P 40 23.4543 106 0.15 65
IV.MMO1.EHZ. 2020-05-27T13:23:51.29 0.3 undecidable manual P 97 25.1526 105 -0.2 96
IV.CESI.HHZ. 2020-05-27T13:23:51.28 0.6 undecidable manual S 312 12.5763 119 0.02 68
IV.FDMO.HHZ. 2020-05-27T13:23:51.02 0.3 undecidable manual S 24 13.1757 118 -0.4 94
IV.MML1.HNZ. 2020-05-27T13:23:50.76 0.3 undecidable manual P 349 20.868 108 0.09 99
IV.CESI.HHZ. 2020-05-27T13:23:49.31 0.3 undecidable manual P 312 12.5763 119 0.16 99
IV.FDMO.HHZ. 2020-05-27T13:23:49.14 0.3 undecidable manual P 24 13.1757 118 -0.1 100
IT.MTCL.HGZ. 2020-05-27T13:23:49.39 0.6 undecidable manual S 347 7.3815 133 -0.39 63
IV.NRCA.HHZ. 2020-05-27T13:23:49.48 0.3 undecidable manual P 144 13.0758 118 0.26 97
IV.MC2.EHZ. 2020-05-27T13:23:49.59 0.3 undecidable manual P 98 13.875 117 0.22 97
IT.MTCL.HGZ. 2020-05-27T13:23:48.13 0.3 undecidable manual P 347 7.3815 133 -0.17 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.4 0.00028364804999999997 1.8208 AML other m 2020-05-27T13:23:53.94
IV.FEMA.HNE. ML:0.0 0.006189873 0.192 AML other m 2020-05-27T13:23:48.63
IV.FEMA.HNN. ML:0.0 0.005023400000000001 0.1792 AML other m 2020-05-27T13:23:49.16
IV.FDMO.HHE. ML:1.7 0.0006190285500000001 0.1792 AML other m 2020-05-27T13:23:51.34
IV.FDMO.HHN. ML:1.9 0.0010709923 0.2432 AML other m 2020-05-27T13:23:51.49
IV.CESI.HNN. ML:1.6 0.00053171285 0.3904 AML other m 2020-05-27T13:23:52.94
IV.CESI.HNE. ML:1.3 0.00023964859999999998 0.2112 AML other m 2020-05-27T13:23:52.94
IV.CSP1.EHE. ML:1.5 0.00022772215000000002 0.1408 AML other m 2020-05-27T13:23:55.24
IV.CSP1.EHN. ML:1.5 0.00022048545 0.2048 AML other m 2020-05-27T13:23:55.28
IV.ASSB.HHE. ML:1.5 0.00015196725 0.2176 AML other m 2020-05-27T13:23:57.86
IV.ASSB.HHN. ML:1.6 0.0002007842 1.84 AML other m 2020-05-27T13:23:58.06
IV.MTRA.HNN. ML:1.5 0.00014090835 0.608 AML other m 2020-05-27T13:24:06.19
IV.MTRA.EHE. ML:1.6 0.000157971525 0.416 AML other m 2020-05-27T13:24:02.46
IV.MTRA.HNE. ML:1.7 0.0002122324 0.4224 AML other m 2020-05-27T13:24:02.45
IV.MTRA.EHN. ML:1.5 0.000132765 0.416 AML other m 2020-05-27T13:23:59.88
IV.SNTG.HHN. ML:1.1 0.00005177739 0.1216 AML other m 2020-05-27T13:24:00.02
IV.ATCC.EHE. ML:1.5 0.00010634942 0.2752 AML other m 2020-05-27T13:24:03.52
IV.ATCC.EHN. ML:1.5 0.00009494419500000001 0.16 AML other m 2020-05-27T13:24:01.29
IV.CESX.HHE. ML:1.4 0.000067956555 0.2816 AML other m 2020-05-27T13:24:04.94
IV.CESX.HHN. ML:1.4 0.00007331487 0.4416 AML other m 2020-05-27T13:24:04.32
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