Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 27-05-2020 and time 05:53:14 (Italy) in region 5 km NW Visso (MC)

A magnitude ML 1.4 earthquake occured in region: 5 km NW Visso (MC), on

  • 27-05-2020 03:53:14 (UTC)
  • 27-05-2020 05:53:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9550, 13.0440 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 5 1107 1107
Monte Cavallo MC 6 145 1252
Ussita MC 8 444 1696
Preci PG 8 724 2420
Fiordimonte MC 10 202 2622
Pieve Torina MC 10 1458 4080
Castelsantangelo sul Nera MC 11 281 4361
Sellano PG 12 1079 5440
Pievebovigliana MC 13 866 6306
Fiastra MC 13 559 6865
Acquacanina MC 14 121 6986
Muccia MC 14 915 7901
Serravalle di Chienti MC 15 1070 8971
Bolognola MC 16 142 9113
Cerreto di Spoleto PG 18 1075 10188
Norcia PG 18 4957 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Foligno (57155 inhabitants)
54 Km NE of Terni (111501 inhabitants)
56 Km E of Perugia (166134 inhabitants)
63 Km NW of Teramo (54892 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
97 Km NE of Viterbo (67173 inhabitants)
99 Km S of Fano (60888 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 1.4 2020-05-27
03:53:14		 42.9552 13.0442 7 2020-11-19
12:37:00		 Bollettino Sismico Italiano INGV 82776781
Reviewed
Rev100 		ML 1.4 2020-05-27
03:53:15		 42.9512 13.0457 7 2020-05-27
03:58:28		 Sala Sismica INGV-Roma 79605531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-27 03:53:14 ± 0.12
Latitude 42.9552 ± 0.0054
Longitude 13.0442 ± 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 82776781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 555
Semi-minor axis of confidence ellipse (meter) 237
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 29
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00809
Epicentral distance of station farthest from the epicenter (degree) 0.37592
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 79605531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-27 03:58:28

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 82776781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-09 23:55:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2020-05-27T03:53:29.18 0.6 undecidable manual S 6 41.7249 50 -0.34 44
IV.SNTG.HHZ. 2020-05-27T03:53:27.20 0.6 undecidable manual S 346 34.3434 101 0.16 47
IV.ASSB.HHZ. 2020-05-27T03:53:26.56 0.3 undecidable manual S 287 32.745 101 0.05 72
IV.GUMA.HHZ. 2020-05-27T03:53:25.15 0.3 undecidable manual S 63 26.4513 104 0.77 59
IV.MMO1.EHZ. 2020-05-27T03:53:23.33 0.3 undecidable manual S 105 23.754 106 -0.16 71
IV.EL6.EHZ. 2020-05-27T03:53:22.92 0.3 undecidable manual P 6 41.7249 50 -0.43 65
IV.CSP1.EHZ. 2020-05-27T03:53:22.31 0.6 undecidable manual S 41 19.9689 108 0.08 49
IV.ASSB.HHZ. 2020-05-27T03:53:21.39 0.3 undecidable manual P 287 32.745 101 -0.22 69
IV.SNTG.HHZ. 2020-05-27T03:53:21.91 0.3 undecidable manual P 346 34.3434 101 -0.01 72
IV.CESI.HHZ. 2020-05-27T03:53:20.67 0.3 undecidable manual S 296 12.5763 118 0.82 59
IV.MC2.EHZ. 2020-05-27T03:53:20.21 0.6 undecidable manual S 112 12.7761 117 0.31 47
IV.NRCA.HHZ. 2020-05-27T03:53:20.73 0.6 undecidable manual S 157 14.6742 114 0.24 47
IV.GUMA.HHZ. 2020-05-27T03:53:20.55 0.3 undecidable manual P 63 26.4513 104 0.17 71
IV.MMO1.EHZ. 2020-05-27T03:53:19.67 0.1 undecidable manual P 105 23.754 106 -0.19 94
IV.FDMO.HHZ. 2020-05-27T03:53:19.03 0.3 undecidable manual S 21 9.6792 124 0.04 75
IV.CSP1.EHZ. 2020-05-27T03:53:19.09 0.1 undecidable manual P 41 19.9689 108 -0.05 98
IV.CESI.HHZ. 2020-05-27T03:53:18.06 0.1 positive manual P 296 12.5763 118 0.29 94
IV.NRCA.HHZ. 2020-05-27T03:53:18.22 0.1 positive manual P 157 14.6742 114 0.08 98
IV.FDMO.HHZ. 2020-05-27T03:53:17.20 0.1 undecidable manual P 21 9.6792 124 -0.07 99
IV.MC2.EHZ. 2020-05-27T03:53:17.90 0.1 undecidable manual P 112 12.7761 117 0.11 98
IT.MTCL.HGZ. 2020-05-27T03:53:17.66 0.6 undecidable manual S 320 5.5944 140 -0.27 48
IV.FEMA.HNE. 2020-05-27T03:53:16.21 0.6 undecidable manual S 31 0.8991 172 -1.03 37
IT.MTCL.HGZ. 2020-05-27T03:53:16.60 0.1 undecidable manual P 320 5.5944 140 -0.06 100
IV.FEMA.HNE. 2020-05-27T03:53:15.82 0.1 undecidable manual P 31 0.8991 172 -0.44 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.3 0.00035150000000000003 0.2 AML other m 2020-05-27T03:53:19.17
IV.FDMO.HHE. ML:1.4 0.0003555 0.16 AML other m 2020-05-27T03:53:19.15
IV.CESI.HHN. ML:1.5 0.0003735 0.24 AML other m 2020-05-27T03:53:20.91
IV.NRCA.HHE. ML:1.2 0.000176 0.14 AML other m 2020-05-27T03:53:21.23
IV.CESI.HHE. ML:1.1 0.00015050000000000003 1.44 AML other m 2020-05-27T03:53:21.17
IV.NRCA.HHN. ML:1.3 0.0002225 0.12 AML other m 2020-05-27T03:53:22.55
IV.CSP1.EHE. ML:1.1 0.00010779999999999999 1.26 AML other m 2020-05-27T03:53:23.07
IV.CSP1.EHN. ML:1.1 0.00010314999999999999 1.34 AML other m 2020-05-27T03:53:24.09
IV.GUMA.HNN. ML:1.7 0.00027100000000000003 0.42 AML other m 2020-05-27T03:53:24.53
IV.GUMA.HHN. ML:1.7 0.00028199999999999997 0.22 AML other m 2020-05-27T03:53:25.24
IV.GUMA.HNE. ML:1.7 0.00027449999999999995 0.4 AML other m 2020-05-27T03:53:25.25
IV.ASSB.HHN. ML:1.4 0.000112 0.2 AML other m 2020-05-27T03:53:26.75
IV.ASSB.HHE. ML:1.3 0.00008499999999999999 0.32 AML other m 2020-05-27T03:53:26.98
IV.GUMA.HHE. ML:1.4 0.00015900000000000002 0.6 AML other m 2020-05-27T03:53:28.33
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