Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 11-06-2021 and time 13:33:47 (UTC) in region 7 km W Cittareale (RI)

A magnitude ML 1.3 earthquake occured in region: 7 km W Cittareale (RI), on

  • 11-06-2021 13:33:47 (UTC)
  • 11-06-2021 15:33:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6280, 13.0770 at 10 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
Cittareale RI 7 482 482
Monteleone di Spoleto PG 11 599 1081
Cascia PG 11 3217 4298
Posta RI 12 694 4992
Leonessa RI 12 2435 7427
Borbona RI 14 617 8044
Poggiodomo PG 15 117 8161
Accumoli RI 16 667 8828
Amatrice RI 17 2657 11485
Montereale AQ 18 2581 14066
Norcia PG 19 4957 19023
Polino TR 20 233 19256
Micigliano RI 20 127 19383

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Terni (111501 inhabitants)
41 Km NW of L'Aquila (69753 inhabitants)
48 Km SE of Foligno (57155 inhabitants)
52 Km W of Teramo (54892 inhabitants)
75 Km NE of Guidonia Montecelio (88673 inhabitants)
77 Km NE of Tivoli (56533 inhabitants)
77 Km SE of Perugia (166134 inhabitants)
83 Km E of Viterbo (67173 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
95 Km W of Chieti (51815 inhabitants)
95 Km W of Pescara (121014 inhabitants)
95 Km NE 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
Bulletin
Rev1000 		ML 1.3 2021-06-11
13:33:47		 42.6278 13.0768 10 2021-12-29
11:12:38		 Bollettino Sismico Italiano INGV 96732231
Reviewed
Rev100 		ML 1.7 2021-06-11
13:33:47		 42.6315 13.0975 10 2021-06-11
13:47:37		 Sala Sismica INGV-Roma 91097211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-11 13:33:47 ± 0.09
Latitude 42.6278 ± 0.0054
Longitude 13.0768 ± 0.0061
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96732231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 597
Semi-minor axis of confidence ellipse (meter) 444
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 201
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
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 36
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 96732231
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-18 17:07:11

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 91097211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-11 13:47:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SARZ.HHZ. 2021-06-11T13:35:29.91 3.0 undecidable manual Sn 1.52 0
IV.SGAL.EHZ. 2021-06-11T13:35:28.02 3.0 undecidable manual Sn 5.45 0
IV.ZONE.HHZ. 2021-06-11T13:35:25.47 3.0 undecidable manual Sn -3.01 0
IV.HAGA.HHZ. 2021-06-11T13:35:21.83 3.0 undecidable manual Pg 15.12 0
IV.PTRP.HHZ. 2021-06-11T13:35:13.42 3.0 undecidable manual Sn 4.63 0
IV.MTTG.HHZ. 2021-06-11T13:35:10.70 3.0 undecidable manual Pg 11.48 0
IV.ESCV.HHZ. 2021-06-11T13:35:09.72 3.0 negative manual Pg 10.06 0
IV.ILOS.HHZ. 2021-06-11T13:35:07.65 3.0 negative manual Pg 16.85 0
IV.MBFT.HHZ. 2021-06-11T13:35:03.05 3.0 undecidable manual Pg 8.16 0
IV.NDIM.HHZ. 2021-06-11T13:35:02.17 3.0 undecidable manual Sn -1.11 0
IV.GIZZ.HHZ. 2021-06-11T13:35:02.16 3.0 positive manual Pg 12.57 0
GU.IMI.HHZ. 2021-06-11T13:34:59.41 3.0 negative manual Pg 13.05 0
GU.CARD.HHZ. 2021-06-11T13:34:57.58 3.0 undecidable manual Sn 3.45 0
IV.SPS2.HHZ. 2021-06-11T13:34:52.02 3.0 negative manual Pn 5.28 0
IV.ZEN8.EHZ. 2021-06-11T13:34:40.21 3.0 positive manual Pn 2.15 0
IV.PTRP.HHZ. 2021-06-11T13:34:40.91 3.0 undecidable manual Pg 9.15 0
MN.TRI.HHZ. 2021-06-11T13:34:38.61 3.0 positive manual Pg 5.96 0
OX.MARN.HHZ. 2021-06-11T13:34:33.23 3.0 negative manual Pn -2.59 0
IV.MCRV.HHZ. 2021-06-11T13:34:30.62 3.0 undecidable manual Pg 7.69 0
IV.CRE.HHZ. 2021-06-11T13:34:28.68 3.0 undecidable manual S 1 0
IT.FIE.HGZ. 2021-06-11T13:34:21.77 3.0 negative manual Pg 6.53 0
IV.ZCCA.HHZ. 2021-06-11T13:34:21.06 3.0 undecidable manual Pn -1.53 0
IV.FIR.HHZ. 2021-06-11T13:34:17.33 3.0 positive manual Pn 2.06 0
IV.FDMO.HHZ. 2021-06-11T13:34:02.37 0.3 undecidable manual S 1 45.3213 50 0.02 72
IV.ATFO.HHZ. 2021-06-11T13:34:02.24 3.0 undecidable manual P 1.03 0
IV.GIGS.HHZ. 2021-06-11T13:34:02.57 0.6 undecidable manual S 115 44.9217 50 0.32 45
IV.CESI.HHZ. 2021-06-11T13:34:02.55 0.6 undecidable manual S 342 44.1225 50 0.52 43
IV.TERO.HHZ. 2021-06-11T13:34:01.44 0.6 undecidable manual S 91 43.0236 50 -0.3 45
IV.T0110.HHZ. 2021-06-11T13:34:00.49 0.6 undecidable manual P 127 72.372 50 0.19 44
IV.MTRA.EHZ. 2021-06-11T13:33:58.72 0.3 undecidable manual S 61 29.748 50 0.53 66
IV.GIGS.HHZ. 2021-06-11T13:33:56.80 0.6 undecidable manual P 115 44.9217 50 0.73 39
IV.NRCA.HHZ. 2021-06-11T13:33:56.15 0.3 undecidable manual S 8 23.0547 114 -0.25 71
IV.ARRO.EHZ. 2021-06-11T13:33:56.80 0.6 undecidable manual S 258 25.9518 50 -0.39 46
IV.SMA1.EHZ. 2021-06-11T13:33:55.72 0.3 undecidable manual S 89 21.0678 116 -0.07 74
IV.TERO.HHZ. 2021-06-11T13:33:55.52 0.3 undecidable manual P 91 43.0236 50 -0.26 68
IV.CESI.HHZ. 2021-06-11T13:33:55.75 0.6 undecidable manual P 342 44.1225 50 -0.2 46
IV.FDMO.HHZ. 2021-06-11T13:33:55.91 0.1 undecidable manual P 1 45.3213 50 -0.22 91
IV.RM33.EHZ. 2021-06-11T13:33:54.24 0.3 undecidable manual S 140 17.3715 121 -0.41 69
IV.T1299.HNN. 2021-06-11T13:33:54.59 0.3 undecidable manual S 88 16.7721 122 0.11 74
IV.MTRA.EHZ. 2021-06-11T13:33:53.98 0.1 undecidable manual P 61 29.748 50 0.25 93
IV.LNSS.HHZ. 2021-06-11T13:33:52.26 0.3 undecidable manual S 227 4.0959 159 0.76 63
IV.NRCA.HHZ. 2021-06-11T13:33:52.45 0.1 undecidable manual P 8 23.0547 114 -0.24 95
IV.SMA1.EHZ. 2021-06-11T13:33:52.11 0.3 undecidable manual P 89 21.0678 116 -0.23 71
IV.ARRO.EHZ. 2021-06-11T13:33:52.86 0.3 undecidable manual P 258 25.9518 50 -0.29 70
IV.T1299.HNN. 2021-06-11T13:33:51.55 0.1 undecidable manual P 88 16.7721 122 -0.04 100
IV.RM33.EHZ. 2021-06-11T13:33:51.38 0.1 undecidable manual P 140 17.3715 121 -0.3 94
IV.GAVE.EHZ. 2021-06-11T13:33:51.58 0.1 undecidable manual P 296 16.4724 122 0.04 100
IV.LNSS.HHZ. 2021-06-11T13:33:50.20 0.1 undecidable manual P 227 4.0959 159 0.33 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.2 0.00029976975 0.096 AML other m 2021-06-11T13:33:52.56
IV.LNSS.HHN. ML:1.0 0.00016193065000000002 0.1984 AML other m 2021-06-11T13:33:52.56
IV.RM33.EHE. ML:1.0 0.00007888041 0.1152 AML other m 2021-06-11T13:33:54.70
IV.RM33.EHN. ML:0.7 0.000046399999999999996 0.18 AML other m 2021-06-11T13:33:54.63
IV.MTRA.EHN. ML:1.4 0.00011999999999999999 0.2 AML other m 2021-06-11T13:33:59.15
IV.MTRA.EHE. ML:1.6 0.000214 0.24 AML other m 2021-06-11T13:33:59.18
IV.GAVE.EHE. ML:1.8 0.0005735 0.1 AML other m 2021-06-11T13:33:59.27
IV.GAVE.EHN. ML:1.5 0.00028285645000000005 0.1856 AML other m 2021-06-11T13:34:01.57
IV.LNSS.HNE. ML:1.2 0.00026806605 0.0896 AML other m 2021-06-11T13:33:52.56
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