Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 09-06-2020 and time 17:47:00 (UTC) in region 6 km E Norcia (PG)

A magnitude ML 0.9 earthquake occured in region: 6 km E Norcia (PG), on

  • 09-06-2020 17:47:00 (UTC)
  • 09-06-2020 19:47:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7920, 13.1690 at 12 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 6 4957 4957
Arquata del Tronto AP 11 1178 6135
Castelsantangelo sul Nera MC 12 281 6416
Accumoli RI 13 667 7083
Preci PG 14 724 7807
Montegallo AP 15 523 8330
Cascia PG 15 3217 11547
Visso MC 17 1107 12654
Ussita MC 17 444 13098
Montemonaco AP 18 604 13702
Cittareale RI 19 482 14184
Acquasanta Terme AP 20 2916 17100

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
46 Km W of Teramo (54892 inhabitants)
50 Km NE of Terni (111501 inhabitants)
52 Km NW of L'Aquila (69753 inhabitants)
73 Km E of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
93 Km W of Pescara (121014 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km NW of Chieti (51815 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
97 Km E of Viterbo (67173 inhabitants)
97 Km NE of Tivoli (56533 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 0.9 2020-06-09
17:47:00		 42.7922 13.1693 12 2020-11-19
12:37:01		 Bollettino Sismico Italiano INGV 82930481
Reviewed
Rev100 		ML 0.9 2020-06-09
17:47:00		 42.7897 13.1792 11 2020-06-09
17:56:28		 Sala Sismica INGV-Roma 80039061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-09 17:47:00 ± 0.07
Latitude 42.7922 ± 0.0036
Longitude 13.1693 ± 0.0061
Depth (km) 12 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82930481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 448
Semi-minor axis of confidence ellipse (meter) 207
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 247
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 65
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 25
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.43977
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 82930481
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-15 15:05:34

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 80039061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-09 17:56:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2020-06-09T17:47:13.06 0.3 undecidable manual S 118 40.1265 93 -0.15 70
IV.FAGN.HHZ. 2020-06-09T17:47:13.13 3.0 undecidable manual P 0.21 0
IV.GUMA.HHZ. 2020-06-09T17:47:12.11 0.6 undecidable manual S 24 32.9448 93 0.82 39
IV.CSP1.EHZ. 2020-06-09T17:47:11.60 0.3 undecidable manual S 5 33.3444 93 0.19 71
IV.CESI.HHZ. 2020-06-09T17:47:10.93 0.6 undecidable manual S 318 31.9458 94 -0.1 48
IV.MOMA.HHZ. 2020-06-09T17:47:09.47 0.3 undecidable manual P 272 48.8178 92 0.49 64
IT.MTCL.HGZ. 2020-06-09T17:47:09.18 0.6 undecidable manual S 328 26.2515 95 -0.35 46
IV.FDMO.HHZ. 2020-06-09T17:47:09.63 0.3 undecidable manual S 346 27.9498 95 -0.33 69
IV.LNSS.HHZ. 2020-06-09T17:47:08.75 0.3 undecidable manual S 207 23.4543 97 -0.03 74
IV.MMO1.EHZ. 2020-06-09T17:47:07.09 0.3 undecidable manual S 47 17.4714 103 -0.11 73
IV.MTRA.EHZ. 2020-06-09T17:47:07.41 0.3 undecidable manual S 102 18.87 101 -0.17 73
IV.TERO.HHZ. 2020-06-09T17:47:07.50 0.3 undecidable manual P 118 40.1265 93 -0.14 70
IV.FEMA.HNE. 2020-06-09T17:47:07.93 0.6 undecidable manual S 333 21.2676 98 -0.25 47
IV.T1299.HNZ. 2020-06-09T17:47:07.94 0.3 undecidable manual S 152 19.7691 100 0.14 72
IV.CSP1.EHZ. 2020-06-09T17:47:06.51 0.3 undecidable manual P 5 33.3444 93 -0.09 72
IV.MC2.EHZ. 2020-06-09T17:47:06.28 0.3 undecidable manual S 7 13.3755 115 0.13 74
IV.GUMA.HHZ. 2020-06-09T17:47:06.79 0.3 undecidable manual P 24 32.9448 93 0.25 70
IV.CESI.HHZ. 2020-06-09T17:47:06.31 0.3 undecidable manual P 318 31.9458 94 -0.08 72
IV.FEMA.HNE. 2020-06-09T17:47:05.16 0.3 undecidable manual P 333 21.2676 98 0.42 69
IT.MTCL.HGZ. 2020-06-09T17:47:05.26 0.3 undecidable manual P 328 26.2515 95 -0.26 70
IV.FDMO.HHZ. 2020-06-09T17:47:05.60 0.3 undecidable manual P 346 27.9498 95 -0.17 71
IV.MTRA.EHZ. 2020-06-09T17:47:04.33 0.3 undecidable manual P 102 18.87 101 -0.06 74
IV.T1299.HNZ. 2020-06-09T17:47:04.81 0.3 undecidable manual P 152 19.7691 100 0.29 70
IV.LNSS.HHZ. 2020-06-09T17:47:04.87 0.3 undecidable manual P 207 23.4543 97 -0.22 71
IV.MMO1.EHZ. 2020-06-09T17:47:04.03 0.1 positive manual P 47 17.4714 103 -0.14 97
IV.MC2.EHZ. 2020-06-09T17:47:03.62 0.1 undecidable manual P 7 13.3755 115 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:0.8 0.000050016130000000006 0.3584 AML other m 2020-06-09T17:47:07.77
IV.MTRA.EHE. ML:0.8 0.000049744825 0.2048 AML other m 2020-06-09T17:47:08.86
IV.CSP1.EHN. ML:0.7 0.0000221864202 0.2304 AML other m 2020-06-09T17:47:12.18
IV.GUMA.HHE. ML:1.3 0.000083162825 0.2432 AML other m 2020-06-09T17:47:12.36
IV.GUMA.HHN. ML:1.2 0.00006469978 0.2304 AML other m 2020-06-09T17:47:12.82
IV.CSP1.EHE. ML:0.9 0.000034356015 1.0176 AML other m 2020-06-09T17:47:13.24
IV.TERO.HHN. ML:0.8 0.00001856878 0.064 AML other m 2020-06-09T17:47:13.46
IV.TERO.HHE. ML:0.5 0.000012442313 0.1664 AML other m 2020-06-09T17:47:14.97
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