Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 28-06-2020 and time 20:54:17 (UTC) in region 1 km W Scheggino (PG)

A magnitude ML 0.9 earthquake occured in region: 1 km W Scheggino (PG), on

  • 28-06-2020 20:54:17 (UTC)
  • 28-06-2020 22:54:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7110, 12.8160 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Scheggino PG 1 461 461
Sant'Anatolia di Narco PG 3 564 1025
Spoleto PG 7 38218 39243
Vallo di Nera PG 8 364 39607
Poggiodomo PG 10 117 39724
Ferentillo TR 10 1913 41637
Campello sul Clitunno PG 13 2442 44079
Monteleone di Spoleto PG 13 599 44678
Montefranco TR 13 1276 45954
Polino TR 14 233 46187
Arrone TR 15 2763 48950
Cerreto di Spoleto PG 15 1075 50025
Cascia PG 16 3217 53242
Castel Ritaldi PG 17 3278 56520
Trevi PG 19 8469 64989

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NE of Terni (111501 inhabitants)
29 Km SE of Foligno (57155 inhabitants)
56 Km SE of Perugia (166134 inhabitants)
62 Km NW of L'Aquila (69753 inhabitants)
67 Km E of Viterbo (67173 inhabitants)
73 Km W of Teramo (54892 inhabitants)
79 Km N of Guidonia Montecelio (88673 inhabitants)
83 Km N of Tivoli (56533 inhabitants)
95 Km N of Roma (2864731 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
Reviewed
Rev100 		ML 0.9 2020-06-28
20:54:17		 42.7112 12.8157 10 2020-06-28
21:05:20		 Sala Sismica INGV-Roma 80599241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-28 20:54:17 ± 0.05
Latitude 42.7112 ± 0.0045
Longitude 12.8157 ± 0.0061
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 80599241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 632
Semi-minor axis of confidence ellipse (meter) 328
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 225
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.65201
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 12
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 13
Type of magnitude ML
Reference to an origin 80599241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-28 21:05:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CGL.BHZ. 2020-06-28T20:56:13.40 3.0 undecidable manual Sn -2.2 0
IV.CMDO.HHZ. 2020-06-28T20:55:52.49 3.0 positive manual Pg 15.27 0
IV.ECTS.HHZ. 2020-06-28T20:55:36.37 3.0 undecidable manual Pn 1.52 0
IV.MESG.HHZ. 2020-06-28T20:55:35.81 3.0 undecidable manual Pg 12.27 0
XK.SELL.HHZ. 2020-06-28T20:55:30.46 3.0 negative manual Pn 1.53 0
IV.USI.HHZ. 2020-06-28T20:55:19.81 3.0 negative manual Pn 0.22 0
GU.GRAM.HHZ. 2020-06-28T20:55:09.94 3.0 positive manual Pg 7.3 0
IV.ROSPO.HHZ. 2020-06-28T20:55:07.94 3.0 undecidable manual Sn -1.25 0
IV.SBPO.HNZ. 2020-06-28T20:55:06.38 3.0 positive manual Pg 3.36 0
IV.ROSPO.HHZ. 2020-06-28T20:54:48.07 3.0 negative manual Pg 1.48 0
IV.OSSC.HNZ. 2020-06-28T20:54:44.74 3.0 undecidable manual P -0.53 0
IV.EL6.EHZ. 2020-06-28T20:54:40.06 0.6 undecidable manual S 19 72.372 50 0.85 48
IV.MTCE.HHZ. 2020-06-28T20:54:39.33 3.0 undecidable manual S -3.98 0
IV.RM33.EHZ. 2020-06-28T20:54:30.39 0.6 undecidable manual S 124 39.5271 50 -0.06 65
IV.EL6.EHZ. 2020-06-28T20:54:29.95 0.3 undecidable manual P 19 72.372 50 0.01 92
IV.CESI.HHZ. 2020-06-28T20:54:28.73 0.6 undecidable manual S 12 33.3444 50 -0.08 65
IV.NRCA.HNZ. 2020-06-28T20:54:27.03 0.6 undecidable manual S 61 27.8499 50 -0.3 63
IV.CESX.HHZ. 2020-06-28T20:54:25.33 0.6 undecidable manual S 239 21.867 115 -0.34 63
IV.LNSS.HHZ. 2020-06-28T20:54:25.51 0.6 undecidable manual S 123 21.9669 115 -0.17 65
IV.FDMO.HHZ. 2020-06-28T20:54:25.21 0.3 undecidable manual P 31 42.3243 50 -0.1 96
IT.GNU.HGZ. 2020-06-28T20:54:25.95 0.6 undecidable manual S 297 22.4553 115 0.09 66
IV.MOMA.HHZ. 2020-06-28T20:54:25.54 0.6 undecidable manual S 297 22.4553 115 -0.32 63
IV.RM33.EHZ. 2020-06-28T20:54:24.90 0.3 undecidable manual P 124 39.5271 50 0.02 98
IV.ASSB.HHE. 2020-06-28T20:54:24.77 0.3 undecidable manual P 341 38.9277 50 -0.01 98
IV.CESI.HHZ. 2020-06-28T20:54:23.81 0.3 undecidable manual P 12 33.3444 50 -0.12 97
IT.MTCL.HGE. 2020-06-28T20:54:23.95 0.3 undecidable manual P 25 34.743 50 -0.19 96
IV.ARRO.EHZ. 2020-06-28T20:54:23.76 0.6 undecidable manual S 196 15.1737 124 0.1 67
IV.NRCA.HNZ. 2020-06-28T20:54:23.16 0.3 undecidable manual P 61 27.8499 50 0.08 99
IT.GNU.HGZ. 2020-06-28T20:54:22.47 0.3 undecidable manual P 297 22.4553 115 0.24 97
IV.MOMA.HHZ. 2020-06-28T20:54:22.13 0.3 undecidable manual P 297 22.4553 115 -0.1 99
IV.CESX.HHZ. 2020-06-28T20:54:22.20 0.3 undecidable manual P 239 21.867 115 0.08 100
IV.LNSS.HHZ. 2020-06-28T20:54:22.20 0.3 undecidable manual P 123 21.9669 115 0.08 100
IV.ARRO.EHZ. 2020-06-28T20:54:21.17 0.3 undecidable manual P 196 15.1737 124 0.22 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHE. ML:1.0 0.00010381394999999999 0.1408 AML other m 2020-06-28T20:54:24.90
IV.ARRO.EHN. ML:1.0 0.00009924846500000001 0.1152 AML other m 2020-06-28T20:54:24.30
IV.MOMA.HHE. ML:1.1 0.000078156125 0.1792 AML other m 2020-06-28T20:54:27.05
IV.MOMA.HHN. ML:1.1 0.00008591259 0.1536 AML other m 2020-06-28T20:54:26.21
IV.CESX.HHE. ML:0.6 0.0000231999 0.2304 AML other m 2020-06-28T20:54:25.47
IV.CESX.HHN. ML:0.6 0.000030482265 0.2304 AML other m 2020-06-28T20:54:26.01
IV.CESI.HHE. ML:1.1 0.000052954075 0.1024 AML other m 2020-06-28T20:54:29.19
IV.CESI.HHN. ML:1.1 0.000050024925 0.0768 AML other m 2020-06-28T20:54:29.26
IV.RM33.EHE. ML:0.9 0.000022572080000000002 0.2048 AML other m 2020-06-28T20:54:31.66
IV.RM33.EHN. ML:0.8 0.00001982607 0.2816 AML other m 2020-06-28T20:54:32.05
IV.FDMO.HHE. ML:1.0 0.000027566435 0.1664 AML other m 2020-06-28T20:54:31.78
IV.FDMO.HHN. ML:0.9 0.000026246854999999998 0.192 AML other m 2020-06-28T20:54:31.65
IV.EL6.EHE. ML:1.0 0.000015022435 0.3072 AML other m 2020-06-28T20:54:45.10
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