Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 28-06-2020 and time 07:51:04 (UTC) in region 9 km E Cascia (PG)

A magnitude ML 0.9 earthquake occured in region: 9 km E Cascia (PG), on

  • 28-06-2020 07:51:04 (UTC)
  • 28-06-2020 09:51:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7110, 13.1210 at 12 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
Cascia PG 9 3217 3217
Norcia PG 9 4957 8174
Accumoli RI 11 667 8841
Cittareale RI 11 482 9323
Poggiodomo PG 15 117 9440
Monteleone di Spoleto PG 15 599 10039
Arquata del Tronto AP 16 1178 11217
Amatrice RI 17 2657 13874
Preci PG 20 724 14598

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Terni (111501 inhabitants)
44 Km SE of Foligno (57155 inhabitants)
46 Km NW of L'Aquila (69753 inhabitants)
48 Km W of Teramo (54892 inhabitants)
74 Km SE of Perugia (166134 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
87 Km W of Montesilvano (53738 inhabitants)
87 Km NE of Tivoli (56533 inhabitants)
89 Km E of Viterbo (67173 inhabitants)
94 Km W of Pescara (121014 inhabitants)
95 Km W of Chieti (51815 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
07:51:04		 42.7113 13.1207 12 2020-06-28
07:56:12		 Sala Sismica INGV-Roma 80580771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-28 07:51:04 ± 0.13
Latitude 42.7113 ± 0.0054
Longitude 13.1207 ± 0.0233
Depth (km) 12 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 80580771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1751
Semi-minor axis of confidence ellipse (meter) 944
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 278
Circular confidence region, given by single value of horizontal uncertainty (meter) 1750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.12231
Epicentral distance of station farthest from the epicenter (degree) 0.38491
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 80580771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-28 07:56:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2020-06-28T07:51:18.79 0.6 undecidable manual S 9 42.7239 92 0.07 47
IV.FDMO.HHZ. 2020-06-28T07:51:17.21 0.6 undecidable manual S 356 36.1416 93 0.25 46
IV.RM33.EHZ. 2020-06-28T07:51:13.20 0.6 undecidable manual S 161 23.754 95 -0.45 44
IV.TERO.HHZ. 2020-06-28T07:51:12.85 0.1 undecidable manual P 104 40.626 92 0.32 91
IV.CSP1.EHZ. 2020-06-28T07:51:12.59 0.1 undecidable manual P 9 42.7239 92 -0.27 89
IV.LNSS.HHZ. 2020-06-28T07:51:11.40 0.6 undecidable manual S 209 13.6752 112 0.37 46
IV.FDMO.HHZ. 2020-06-28T07:51:11.78 0.1 undecidable manual P 356 36.1416 93 -0.06 94
IV.NRCA.HHZ. 2020-06-28T07:51:10.83 0.6 undecidable manual S 358 13.5753 113 -0.17 48
IV.RM33.EHZ. 2020-06-28T07:51:09.69 0.6 positive manual P 161 23.754 95 -0.24 46
IV.CAMP.HHZ. 2020-06-28T07:51:08.64 3.0 undecidable manual P 30.5472 -2.34 0
IV.NRCA.HHZ. 2020-06-28T07:51:08.43 0.1 negative manual P 358 13.5753 113 0.03 100
IV.LNSS.HHZ. 2020-06-28T07:51:08.60 1.0 undecidable manual P 209 13.6752 112 0.18 24
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.3 0.0001805 1.6 AML other m 2020-06-28T07:51:10.91
IV.NRCA.HHE. ML:1.5 0.0003015 0.74 AML other m 2020-06-28T07:51:11.40
IV.LNSS.HHN. ML:1.2 0.0001376 0.34 AML other m 2020-06-28T07:51:11.62
IV.LNSS.HHE. ML:1.1 0.000111 0.1 AML other m 2020-06-28T07:51:11.82
IV.RM33.EHN. ML:0.8 0.00003845 0.88 AML other m 2020-06-28T07:51:13.86
IV.RM33.EHE. ML:0.7 0.0000308 0.74 AML other m 2020-06-28T07:51:14.41
IV.FDMO.HHE. ML:0.7 0.000021400000000000002 0.24 AML other m 2020-06-28T07:51:17.64
IV.FDMO.HHN. ML:0.8 0.00002735 0.18 AML other m 2020-06-28T07:51:17.70
IV.TERO.HHE. ML:0.5 0.000012400000000000002 0.28 AML other m 2020-06-28T07:51:18.62
IV.TERO.HHN. ML:0.6 0.00001375 1.5 AML other m 2020-06-28T07:51:18.79
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