Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 17-06-2020 and time 13:46:29 (UTC) in region 4 km NE Norcia (PG)

A magnitude ML 1.0 earthquake occured in region: 4 km NE Norcia (PG), on

  • 17-06-2020 13:46:29 (UTC)
  • 17-06-2020 15:46:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8240, 13.1260 at 11 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
Castelsantangelo sul Nera MC 8 281 5238
Preci PG 9 724 5962
Visso MC 12 1107 7069
Ussita MC 14 444 7513
Cascia PG 15 3217 10730
Arquata del Tronto AP 15 1178 11908
Montegallo AP 17 523 12431
Cerreto di Spoleto PG 17 1075 13506
Accumoli RI 17 667 14173
Sellano PG 18 1079 15252
Montemonaco AP 19 604 15856
Poggiodomo PG 20 117 15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
49 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
57 Km NW of L'Aquila (69753 inhabitants)
68 Km E of Perugia (166134 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
94 Km SW of Ancona (100861 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
97 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km W of Pescara (121014 inhabitants)
99 Km N of Tivoli (56533 inhabitants)
100 Km NW 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 1.0 2020-06-17
13:46:29		 42.8238 13.1265 11 2020-11-19
12:36:49		 Bollettino Sismico Italiano INGV 80309321
Reviewed
Rev100 		ML 1.0 2020-06-17
13:46:29		 42.826 13.1297 11 2020-06-17
13:57:17		 Sala Sismica INGV-Roma 80264651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-17 13:46:29 ± 0.05
Latitude 42.8238 ± 0.0027
Longitude 13.1265 ± 0.0061
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80309321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 468
Semi-minor axis of confidence ellipse (meter) 238
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 271
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 121
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40380
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 80309321
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-19 08:35:56

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 80264651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-17 13:57:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
ST.PANI.EHZ. 2020-06-17T13:47:35.15 3.0 negative manual Pg 16.469999 0
IV.MNTV.HNZ. 2020-06-17T13:47:30.36 3.0 undecidable manual Pg 17.280001 0
IV.OFFI.HHZ. 2020-06-17T13:47:22.34 3.0 undecidable manual Sg 14.62 0
IV.MBAL.EHZ. 2020-06-17T13:47:14.93 3.0 positive manual Pn -3.03 0
IV.RIBO.EHZ.01 2020-06-17T13:47:13.41 3.0 negative manual Pg 19.75 0
IT.FIE.HGZ. 2020-06-17T13:47:06.92 3.0 undecidable manual Pg 9.43 0
IV.SOI.EHZ. 2020-06-17T13:47:05.42 3.0 undecidable manual Sg 5.4 0
IV.IFIL.HHZ. 2020-06-17T13:46:56.48 3.0 undecidable manual Sn -3.07 0
IV.IST3.HHZ. 2020-06-17T13:46:48.28 3.0 undecidable manual Sn 0.17 0
IV.NARO.HHZ. 2020-06-17T13:46:48.80 3.0 undecidable manual Pn 3.03 0
IV.CROCE.HHZ. 2020-06-17T13:46:44.60 3.0 negative manual Pn -3.36 0
IV.RM33.EHZ. 2020-06-17T13:46:41.57 0.3 undecidable manual S 168 35.6421 90 0.18 70
IV.SMA1.EHZ. 2020-06-17T13:46:39.07 0.3 undecidable manual S 141 27.3504 90 -0.11 71
IV.CSP1.EHZ. 2020-06-17T13:46:39.90 0.3 undecidable manual S 12 30.4473 90 -0.09 71
IV.FDMO.HHZ. 2020-06-17T13:46:38.13 0.3 undecidable manual S 352 23.8539 90 -0.1 72
IV.CESI.HHZ. 2020-06-17T13:46:38.91 0.3 undecidable manual S 318 26.9508 90 -0.17 72
IV.LNSS.HHZ. 2020-06-17T13:46:38.47 0.3 undecidable manual S 196 25.4523 90 -0.21 71
IV.TERO.HHZ. 2020-06-17T13:46:37.88 0.3 undecidable manual P 120 44.8218 90 0.14 70
IV.ROSPO.HHZ. 2020-06-17T13:46:36.55 3.0 undecidable manual Sn -3.24 0
IV.MMO1.EHZ. 2020-06-17T13:46:36.50 0.3 undecidable manual S 63 18.2706 91 -0.26 69
IV.RM33.EHZ. 2020-06-17T13:46:36.39 0.3 undecidable manual P 168 35.6421 90 0.06 71
IV.CESI.HHZ. 2020-06-17T13:46:35.05 0.1 undecidable manual P 318 26.9508 90 0.06 96
IV.SMA1.EHZ. 2020-06-17T13:46:35.14 0.3 undecidable manual P 141 27.3504 90 0.09 72
IV.OVO.HHZ. 2020-06-17T13:46:35.04 3.0 undecidable manual Sn 0.83 0
IV.CSP1.EHZ. 2020-06-17T13:46:35.58 0.3 undecidable manual P 12 30.4473 90 0.06 72
IV.MC2.EHZ. 2020-06-17T13:46:35.01 0.1 undecidable manual S 28 10.9779 115 0.18 98
IV.FDMO.HHZ. 2020-06-17T13:46:34.54 0.1 undecidable manual P 352 23.8539 90 0.04 98
IV.LNSS.HHZ. 2020-06-17T13:46:34.72 0.3 undecidable manual P 196 25.4523 90 -0.04 73
IV.RMP.HHZ. 2020-06-17T13:46:33.59 3.0 negative manual P 1.44 0
IV.MMO1.EHZ. 2020-06-17T13:46:33.59 0.3 undecidable manual P 63 18.2706 91 -0.07 73
IV.MC2.EHZ. 2020-06-17T13:46:32.85 0.1 undecidable manual P 28 10.9779 115 0.31 95
IV.VIVA.HHZ. 2020-06-17T13:46:32.89 3.0 positive manual P 1.63 0
IV.NRCA.HHZ. 2020-06-17T13:46:32.94 0.1 undecidable manual S 317 1.4985 170 -0.37 94
IV.NRCA.HHZ. 2020-06-17T13:46:31.78 0.1 undecidable manual P 317 1.4985 170 0.12 100
IV.MELA.HHZ. 2020-06-17T13:46:27.11 3.0 undecidable manual Sn -1.19 0
IV.IFIL.HHZ. 2020-06-17T13:46:26.92 3.0 undecidable manual Pn 0.19 0
IV.GIUL.HHZ. 2020-06-17T13:46:22.58 3.0 negative manual Pn -3.16 0
IV.SGG.HHZ. 2020-06-17T13:46:14.97 3.0 undecidable manual Pn 1.02 0
IV.PTRJ.HHZ. 2020-06-17T13:46:11.28 3.0 undecidable manual Pn -1.1 0
IV.VITU.HHZ. 2020-06-17T13:46:10.33 3.0 positive manual Pn -0.34 0
IT.LRNO.HNZ. 2020-06-17T13:46:06.95 3.0 undecidable manual Pn -4.75 0
IV.PZUN.HHZ. 2020-06-17T13:45:57.27 3.0 positive manual P -0.68 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.8 0.0000368 1.68 AML other m 2020-06-17T13:46:39.04
IV.LNSS.HHE. ML:1.2 0.0000829 0.3 AML other m 2020-06-17T13:46:39.14
IV.CESI.HHE. ML:1.0 0.000054250000000000004 0.42 AML other m 2020-06-17T13:46:39.38
IV.CESI.HHN. ML:1.1 0.00006295000000000001 1.54 AML other m 2020-06-17T13:46:39.03
IV.FDMO.HHE. ML:0.8 0.00003485 0.14 AML other m 2020-06-17T13:46:40.33
IV.LNSS.HHN. ML:1.1 0.00006500000000000001 0.2 AML other m 2020-06-17T13:46:40.58
IV.TERO.HHE. ML:0.9 0.0000243 0.32 AML other m 2020-06-17T13:46:45.73
IV.TERO.HHN. ML:0.8 0.000021649999999999998 0.86 AML other m 2020-06-17T13:46:45.77
IV.NARO.HHE. ML:1.7 0.0000493 0.66 AML other m 2020-06-17T13:47:14.56
IV.NARO.HHN. ML:1.6 0.0000436 1.14 AML other m 2020-06-17T13:47:15.84
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