Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 09-06-2021 and time 13:01:58 (UTC) in region 4 km S Norcia (PG)

A magnitude ML 1.3 earthquake occured in region: 4 km S Norcia (PG), on

  • 09-06-2021 13:01:58 (UTC)
  • 09-06-2021 15:01:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7620, 13.1060 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
Norcia PG 4 4957 4957
Cascia PG 9 3217 8174
Accumoli RI 14 667 8841
Preci PG 14 724 9565
Poggiodomo PG 15 117 9682
Castelsantangelo sul Nera MC 15 281 9963
Arquata del Tronto AP 16 1178 11141
Cittareale RI 17 482 11623
Cerreto di Spoleto PG 17 1075 12698
Monteleone di Spoleto PG 18 599 13297
Visso MC 19 1107 14404
Vallo di Nera PG 20 364 14768

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km SE of Foligno (57155 inhabitants)
44 Km NE of Terni (111501 inhabitants)
50 Km W of Teramo (54892 inhabitants)
52 Km NW of L'Aquila (69753 inhabitants)
70 Km SE of Perugia (166134 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
90 Km E of Viterbo (67173 inhabitants)
92 Km N of Tivoli (56533 inhabitants)
97 Km W of Pescara (121014 inhabitants)
98 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
Bulletin
Rev1000 		ML 1.3 2021-06-09
13:01:58		 42.7617 13.1055 10 2021-12-29
11:12:10		 Bollettino Sismico Italiano INGV 92501881
Reviewed
Rev100 		ML 1.4 2021-06-09
13:01:58		 42.7597 13.1113 11 2021-06-09
13:11:11		 Sala Sismica INGV-Roma 90975141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-09 13:01:58 ± 0.04
Latitude 42.7617 ± 0.0018
Longitude 13.1055 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 92501881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 252
Semi-minor axis of confidence ellipse (meter) 208
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 96
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 41
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.43078
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 92501881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-07-09 13:05:08

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 90975141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-09 13:11:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIR.HHZ. 2021-06-09T13:02:53.44 3.0 undecidable manual Sg 0.19 0
IV.PARC.HHZ. 2021-06-09T13:02:19.60 3.0 positive manual P -1.81 0
IT.RMVT.HGZ. 2021-06-09T13:02:16.43 3.0 undecidable manual P -1.72 0
IT.RMMM.HGZ. 2021-06-09T13:02:15.76 3.0 undecidable manual P -3.14 0
IV.ASSB.HHN. 2021-06-09T13:02:14.06 0.6 undecidable manual S 311 47.8188 50 -0.12 46
IV.MML1.HNE. 2021-06-09T13:02:12.18 0.6 undecidable manual S 344 40.5261 50 -0.05 48
IV.GUMA.HNN. 2021-06-09T13:02:12.12 0.6 undecidable manual S 29 38.2284 50 0.5 44
IV.TERO.HHN. 2021-06-09T13:02:12.82 0.3 undecidable manual S 111 43.4232 50 -0.19 69
IV.CSP1.EHZ. 2021-06-09T13:02:11.36 0.3 undecidable manual S 12 37.5291 50 -0.06 72
IV.RM33.HNZ. 2021-06-09T13:02:09.31 0.6 undecidable manual S 162 29.4483 50 0.05 49
IV.CESI.HHE. 2021-06-09T13:02:09.72 0.3 undecidable manual S 329 31.5462 50 -0.11 72
IT.MTCL.HGZ. 2021-06-09T13:02:08.48 0.3 undecidable manual S 342 27.1506 50 -0.18 71
IV.MMO1.EHZ. 2021-06-09T13:02:07.30 0.3 undecidable manual S 50 23.6541 113 -0.38 69
IV.MTRA.EHZ. 2021-06-09T13:02:07.32 0.6 undecidable manual S 91 23.754 113 -0.39 46
IV.ASSB.HHN. 2021-06-09T13:02:07.72 0.3 undecidable manual P 311 47.8188 50 0.06 71
IV.MOMA.HHZ. 2021-06-09T13:02:07.16 0.3 undecidable manual P 276 43.8228 50 0.12 70
IV.SMA1.EHZ. 2021-06-09T13:02:07.57 0.6 undecidable manual S 128 23.754 113 -0.14 48
IV.TERO.HHN. 2021-06-09T13:02:07.46 0.1 undecidable manual P 111 43.4232 50 0.48 87
IV.FEMA.HNZ. 2021-06-09T13:02:07.02 0.6 undecidable manual S 348 22.6551 114 -0.37 46
IV.MC2.EHZ. 2021-06-09T13:02:06.09 0.3 undecidable manual S 22 17.9709 120 0.17 73
IV.T1299.HNZ. 2021-06-09T13:02:06.85 0.6 undecidable manual S 134 20.1687 117 0.25 47
IV.MML1.HNE. 2021-06-09T13:02:06.88 0.3 undecidable manual P 344 40.5261 50 0.35 67
IV.LNSS.HHZ. 2021-06-09T13:02:06.05 0.3 undecidable manual S 197 18.3705 119 0 75
IV.GUMA.HNN. 2021-06-09T13:02:06.44 0.3 undecidable manual P 29 38.2284 50 0.26 69
IV.CESX.HHE. 2021-06-09T13:02:06.90 0.6 undecidable manual P 248 45.621 50 -0.41 44
IV.GAVE.EHZ. 2021-06-09T13:02:06.13 0.3 undecidable manual S 246 18.87 118 -0.06 74
IV.CSP1.EHZ. 2021-06-09T13:02:05.87 0.1 undecidable manual P 12 37.5291 50 -0.2 93
IV.CESI.HHE. 2021-06-09T13:02:05.11 0.1 undecidable manual P 329 31.5462 50 -0.04 97
IV.ARRO.EHZ. 2021-06-09T13:02:05.36 0.1 undecidable manual P 234 34.3434 50 -0.22 93
IT.MTCL.HGZ. 2021-06-09T13:02:04.62 0.3 undecidable manual P 342 27.1506 50 0.15 72
IV.FEMA.HNZ. 2021-06-09T13:02:04.07 0.3 undecidable manual P 348 22.6551 114 0.33 70
IV.RM33.HNZ. 2021-06-09T13:02:04.68 0.1 undecidable manual P 162 29.4483 50 -0.14 96
IV.NRCA.HNZ. 2021-06-09T13:02:03.28 0.3 undecidable manual S 5 7.9809 142 0.03 76
IV.GAVE.EHZ. 2021-06-09T13:02:03.08 0.1 undecidable manual P 246 18.87 118 0.03 100
IV.MMO1.EHZ. 2021-06-09T13:02:03.72 0.3 undecidable manual P 50 23.6541 113 -0.19 72
IV.MTRA.EHZ. 2021-06-09T13:02:03.69 0.3 undecidable manual P 91 23.754 113 -0.23 71
IV.T1299.HNZ. 2021-06-09T13:02:03.52 0.1 undecidable manual P 134 20.1687 117 0.24 95
IV.LNSS.HHZ. 2021-06-09T13:02:03.02 0.3 undecidable manual P 197 18.3705 119 0.05 74
IV.SMA1.EHZ. 2021-06-09T13:02:03.84 0.3 undecidable manual P 128 23.754 113 -0.09 73
IV.MC2.EHZ. 2021-06-09T13:02:02.91 0.1 undecidable manual P 22 17.9709 120 0.02 100
IV.NRCA.HNZ. 2021-06-09T13:02:01.52 0.1 undecidable manual P 5 7.9809 142 0.17 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:1.3 0.0001555 1.18 AML other m 2021-06-09T13:02:06.25
IV.LNSS.HHE. ML:1.4 0.0001895 0.3 AML other m 2021-06-09T13:02:06.42
IV.GAVE.EHE. ML:1.6 0.0003085 0.14 AML other m 2021-06-09T13:02:06.83
IV.GAVE.EHN. ML:1.5 0.0002665 0.58 AML other m 2021-06-09T13:02:06.66
IV.MTRA.EHN. ML:1.2 0.0000948 0.74 AML other m 2021-06-09T13:02:08.95
IV.MTRA.EHE. ML:1.3 0.00012514999999999998 0.46 AML other m 2021-06-09T13:02:08.66
IV.SMA1.EHE. ML:1.1 0.0000858 0.72 AML other m 2021-06-09T13:02:09.43
IV.SMA1.EHN. ML:1.1 0.00008415 0.46 AML other m 2021-06-09T13:02:09.34
IV.CSP1.EHE. ML:1.3 0.00007748219799999998 0.3008 AML other m 2021-06-09T13:02:11.92
IV.CSP1.EHN. ML:1.3 0.000076988475 0.2624 AML other m 2021-06-09T13:02:13.59
IV.MOMA.HHE. ML:1.5 0.00010065 0.22 AML other m 2021-06-09T13:02:14.59
IV.MOMA.HHN. ML:1.4 0.00008415 0.22 AML other m 2021-06-09T13:02:14.76
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