Earthquake with magnitude of ML 1.1 on date 17-06-2020 and time 22:18:45 (Italy) in region 2 km NW Norcia (PG)

A magnitude ML 1.1 earthquake occured in region: 2 km NW Norcia (PG), on

  • 17-06-2020 20:18:45 (UTC)
  • 17-06-2020 22:18:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8050, 13.0740 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Norcia PG 2 4957 4957
Preci PG 9 724 5681
Cascia PG 11 3217 8898
Castelsantangelo sul Nera MC 12 281 9179
Cerreto di Spoleto PG 13 1075 10254
Visso MC 14 1107 11361
Sellano PG 15 1079 12440
Poggiodomo PG 15 117 12557
Ussita MC 17 444 13001
Vallo di Nera PG 18 364 13365
Arquata del Tronto AP 19 1178 14543
Accumoli RI 19 667 15210
Monteleone di Spoleto PG 20 599 15809

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Foligno (57155 inhabitants)
44 Km NE of Terni (111501 inhabitants)
54 Km W of Teramo (54892 inhabitants)
57 Km NW of L'Aquila (69753 inhabitants)
65 Km SE of Perugia (166134 inhabitants)
90 Km E of Viterbo (67173 inhabitants)
94 Km W of Montesilvano (53738 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km N of Tivoli (56533 inhabitants)
97 Km SW of Ancona (100861 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 1.1 2020-06-17
20:18:45
42.805 13.0743 10 2020-06-17
20:26:03
Sala Sismica INGV-Roma 80269281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-17 20:18:45 ± 0.08
Latitude 42.8050 ± 0.0045
Longitude 13.0743 ± 0.0086
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 80269281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 611
Semi-minor axis of confidence ellipse (meter) 442
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 84
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
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) 0.04047
Epicentral distance of station farthest from the epicenter (degree) 0.36962
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 80269281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-17 20:26:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHN. 2020-06-17T20:18:59.92 0.6 undecidable manual S 270 41.0256 50 0.34 46
IV.FDMO.HHZ. 2020-06-17T20:18:55.02 0.6 undecidable manual S 2 25.6521 111 -0.36 47
IV.CESI.HHZ. 2020-06-17T20:18:55.27 0.6 undecidable manual S 328 26.1516 110 -0.24 48
IV.MMO1.EHZ. 2020-06-17T20:18:54.11 0.6 undecidable manual S 63 23.0547 113 -0.41 47
IV.LNSS.HHZ. 2020-06-17T20:18:54.25 0.6 undecidable manual S 187 22.5552 113 -0.13 50
IV.MOMA.HHN. 2020-06-17T20:18:53.84 0.1 undecidable manual P 270 41.0256 50 0.06 98
IV.MML1.EHN. 2020-06-17T20:18:52.87 0.1 undecidable manual P 346 35.2425 50 -0.01 100
IV.MC2.EHZ. 2020-06-17T20:18:52.67 0.6 undecidable manual S 38 15.0738 123 0.62 45
IV.CESI.HHZ. 2020-06-17T20:18:51.18 0.6 positive manual P 328 26.1516 110 -0.25 48
IV.SMA1.EHZ. 2020-06-17T20:18:51.61 1.0 negative manual P 132 28.749 50 -0.27 24
IV.FDMO.HHZ. 2020-06-17T20:18:51.02 0.6 positive manual P 2 25.6521 111 -0.33 48
IV.T1299.HNZ. 2020-06-17T20:18:51.17 0.1 undecidable manual P 138 25.4523 111 -0.12 99
IV.LNSS.HHZ. 2020-06-17T20:18:50.80 0.6 positive manual P 187 22.5552 113 0.02 51
IV.MMO1.EHZ. 2020-06-17T20:18:50.82 1.0 undecidable manual P 63 23.0547 113 -0.04 25
IV.MC2.EHZ. 2020-06-17T20:18:49.80 0.1 undecidable manual P 38 15.0738 123 0.37 96
IV.NRCA.HHZ. 2020-06-17T20:18:49.75 0.6 undecidable manual S 46 4.4955 155 0.2 51
IV.NRCA.HHZ. 2020-06-17T20:18:48.15 1.0 undecidable manual P 46 4.4955 155 0.16 26
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.2 0.00028968859999999996 0.1152 AML other m 2020-06-17T20:18:49.89
IV.NRCA.HHN. ML:1.3 0.0003836676 0.0768 AML other m 2020-06-17T20:18:49.84
IV.NRCA.HNE. ML:1.2 0.00031286610000000006 0.1664 AML other m 2020-06-17T20:18:49.98
IV.NRCA.HNN. ML:1.3 0.00032347315 0.0768 AML other m 2020-06-17T20:18:49.88
IV.LNSS.HHE. ML:0.7 0.000035278384999999996 0.2176 AML other m 2020-06-17T20:18:54.45
IV.LNSS.HHN. ML:0.8 0.000046228400000000006 0.2432 AML other m 2020-06-17T20:18:54.73
IV.LNSS.HNN. ML:1.3 0.0001175834 0.6144 AML other m 2020-06-17T20:18:54.73
IV.CESI.HNN. ML:1.4 0.0001591996 0.832 AML other m 2020-06-17T20:18:57.41
IV.CESI.HHN. ML:0.8 0.000037128945 0.1792 AML other m 2020-06-17T20:18:55.46
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download