Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 28-06-2020 and time 21:00:35 (UTC) in region 3 km NW Norcia (PG)

A magnitude ML 1.5 earthquake occured in region: 3 km NW Norcia (PG), on

  • 28-06-2020 21:00:35 (UTC)
  • 28-06-2020 23:00:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8130, 13.0700 at 9 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 3 4957 4957
Preci PG 8 724 5681
Castelsantangelo sul Nera MC 11 281 5962
Cascia PG 11 3217 9179
Cerreto di Spoleto PG 13 1075 10254
Visso MC 13 1107 11361
Sellano PG 14 1079 12440
Poggiodomo PG 16 117 12557
Ussita MC 16 444 13001
Vallo di Nera PG 18 364 13365
Arquata del Tronto AP 19 1178 14543
Accumoli RI 20 667 15210

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
44 Km NE of Terni (111501 inhabitants)
55 Km W of Teramo (54892 inhabitants)
58 Km NW of L'Aquila (69753 inhabitants)
64 Km SE of Perugia (166134 inhabitants)
90 Km E of Viterbo (67173 inhabitants)
94 Km W of Montesilvano (53738 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
97 Km N 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 1.5 2020-06-28
21:00:35		 42.8128 13.0703 9 2020-11-19
12:36:51		 Bollettino Sismico Italiano INGV 80695991
Reviewed
Rev100 		ML 1.4 2020-06-28
21:00:35		 42.8153 13.0692 10 2020-06-28
21:12:10		 Sala Sismica INGV-Roma 80599401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-28 21:00:35 ± 0.05
Latitude 42.8128 ± 0.0027
Longitude 13.0703 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80695991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 341
Semi-minor axis of confidence ellipse (meter) 118
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 45
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.82108
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 35
Type of magnitude ML
Reference to an origin 80599401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-28 21:12:10

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 47
Type of magnitude ML
Reference to an origin 80695991
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-02 10:47:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIR.HHZ. 2020-06-28T21:01:06.27 3.0 undecidable manual Pg 3.06 0
IV.EL6.EHZ. 2020-06-28T21:00:54.02 0.3 undecidable manual S 3 57.3981 50 0.62 61
IV.SNTG.HHZ. 2020-06-28T21:00:51.73 0.3 undecidable manual S 348 50.2164 50 0.24 68
IV.PIEI.HHZ. 2020-06-28T21:00:51.77 0.1 undecidable manual P 332 91.1421 50 0.83 69
IV.TERO.HHZ. 2020-06-28T21:00:50.82 0.1 undecidable manual S 116 48.3183 50 -0.17 92
IV.MOMA.HHZ. 2020-06-28T21:00:49.33 0.3 undecidable manual S 269 40.7259 50 0.37 67
IV.ASSB.HHZ. 2020-06-28T21:00:49.33 0.6 undecidable manual S 307 42.0246 50 0.01 48
IV.ARVD.HHZ. 2020-06-28T21:00:48.96 0.3 undecidable manual P 352 76.7676 50 0.24 65
IV.MF5.EHZ. 2020-06-28T21:00:48.58 0.1 undecidable manual S 58 37.1295 50 0.58 85
IV.ARRO.EHZ. 2020-06-28T21:00:47.68 0.3 undecidable manual S 224 35.9418 50 0.01 73
IV.GUMA.HHZ. 2020-06-28T21:00:47.73 0.6 undecidable manual S 38 35.1426 50 0.27 46
IV.RM33.EHZ. 2020-06-28T21:00:47.23 0.1 undecidable manual S 161 35.742 50 -0.39 90
IV.CSP1.EHZ. 2020-06-28T21:00:46.53 0.1 undecidable manual S 19 32.8449 50 -0.32 92
IV.ATCC.EHZ. 2020-06-28T21:00:45.08 0.1 undecidable manual P 320 54.1014 50 -0.16 92
IV.MTRA.EHZ. 2020-06-28T21:00:45.31 0.1 undecidable manual S 103 27.2505 109 0.04 99
IV.T1299.EHZ. 2020-06-28T21:00:45.26 0.3 undecidable manual S 139 26.2515 110 0.31 70
IV.EL6.EHZ. 2020-06-28T21:00:45.51 0.1 undecidable manual P 3 57.3981 50 -0.23 90
IV.CESI.HHZ. 2020-06-28T21:00:44.36 0.1 undecidable manual S 328 25.2525 110 -0.25 95
IV.FDMO.HHZ. 2020-06-28T21:00:44.16 0.1 undecidable manual S 3 24.8529 111 -0.33 93
IV.TERO.HHZ. 2020-06-28T21:00:44.03 0.1 undecidable manual P 116 48.3183 50 -0.31 90
IV.LNSS.HHZ. 2020-06-28T21:00:44.03 0.3 undecidable manual S 186 23.4543 112 0.01 75
IV.SNTG.HHZ. 2020-06-28T21:00:44.56 0.1 undecidable manual P 348 50.2164 50 -0.07 94
IV.ASSB.HHZ. 2020-06-28T21:00:43.11 0.1 undecidable manual P 307 42.0246 50 -0.27 91
IV.MMO1.EHZ. 2020-06-28T21:00:43.52 0.3 undecidable manual S 65 22.9548 112 -0.35 70
IV.MOMA.HHZ. 2020-06-28T21:00:43.20 0.3 undecidable manual P 269 40.7259 50 0.03 72
IT.MTCL.HGZ. 2020-06-28T21:00:42.94 0.1 undecidable manual S 344 20.868 114 -0.28 95
IV.RM33.EHZ. 2020-06-28T21:00:42.16 0.1 undecidable manual P 161 35.742 50 -0.24 93
IV.ARRO.EHZ. 2020-06-28T21:00:42.36 0.1 undecidable manual P 224 35.9418 50 -0.07 96
IV.GUMA.HHZ. 2020-06-28T21:00:42.38 0.1 undecidable manual P 38 35.1426 50 0.08 96
IV.MF5.EHZ. 2020-06-28T21:00:42.80 0.1 undecidable manual P 58 37.1295 50 0.18 94
IV.SMA1.EHZ. 2020-06-28T21:00:41.30 0.3 undecidable manual P 133 29.5482 50 -0.16 72
IV.FEMA.HNZ. 2020-06-28T21:00:41.85 0.1 undecidable manual S 354 16.6722 119 -0.05 100
IV.CSP1.EHZ. 2020-06-28T21:00:41.68 0.1 undecidable manual P 19 32.8449 50 -0.28 93
IV.FDMO.HHZ. 2020-06-28T21:00:40.46 0.1 positive manual P 3 24.8529 111 -0.13 97
IV.T1299.EHZ. 2020-06-28T21:00:40.98 0.1 undecidable manual P 139 26.2515 110 0.12 97
IV.LNSS.HHZ. 2020-06-28T21:00:40.49 0.1 undecidable manual P 186 23.4543 112 0.17 96
IV.CESI.HHZ. 2020-06-28T21:00:40.59 0.1 negative manual P 328 25.2525 110 -0.06 98
IV.MMO1.EHZ. 2020-06-28T21:00:40.18 0.1 positive manual P 65 22.9548 112 -0.06 99
IV.MTRA.EHZ. 2020-06-28T21:00:40.90 0.1 undecidable manual P 103 27.2505 109 -0.15 96
IV.FEMA.HNZ. 2020-06-28T21:00:39.32 0.1 undecidable manual P 354 16.6722 119 0.22 97
IT.MTCL.HGZ. 2020-06-28T21:00:39.89 0.1 positive manual P 344 20.868 114 0.03 100
IV.NRCA.HNZ. 2020-06-28T21:00:39.12 0.1 undecidable manual S 57 4.2957 156 0.27 98
IV.NRCA.HNZ. 2020-06-28T21:00:37.75 0.1 positive manual P 57 4.2957 156 0.41 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:2.2 0.0032202315000000002 0.0896 AML other m 2020-06-28T21:00:39.20
IV.NRCA.HNE. ML:2.2 0.0031439535000000003 0.0896 AML other m 2020-06-28T21:00:39.20
IV.NRCA.HHN. ML:2.6 0.008121960999999999 0.0768 AML other m 2020-06-28T21:00:39.18
IV.NRCA.HNN. ML:2.6 0.007071712 0.0768 AML other m 2020-06-28T21:00:39.19
IV.LNSS.HHE. ML:1.9 0.0005662873000000001 0.1024 AML other m 2020-06-28T21:00:44.55
IV.LNSS.HNE. ML:1.9 0.0004822281 0.1152 AML other m 2020-06-28T21:00:44.61
IV.LNSS.HNN. ML:1.9 0.00057545375 0.2816 AML other m 2020-06-28T21:00:44.73
IV.LNSS.HHN. ML:1.9 0.0005849722 0.256 AML other m 2020-06-28T21:00:44.86
IV.FDMO.HHN. ML:1.8 0.00036061664999999997 0.1152 AML other m 2020-06-28T21:00:44.81
IV.CESI.HHN. ML:1.8 0.0003557033 0.1152 AML other m 2020-06-28T21:00:44.72
IV.CESI.HNN. ML:1.8 0.00037599869999999997 0.128 AML other m 2020-06-28T21:00:44.71
IV.FDMO.HHE. ML:1.8 0.0003432406 0.1536 AML other m 2020-06-28T21:00:44.79
IV.CESI.HHE. ML:1.5 0.0001919995 0.1792 AML other m 2020-06-28T21:00:44.70
IV.CESI.HNE. ML:1.5 0.000168358085 1.8976 AML other m 2020-06-28T21:00:44.95
IV.MTRA.EHE. ML:1.3 0.00011462135 0.2304 AML other m 2020-06-28T21:00:46.48
IV.MTRA.HNN. ML:1.5 0.0001798673 0.2048 AML other m 2020-06-28T21:00:46.59
IV.MTRA.EHN. ML:1.5 0.0001858253 0.2048 AML other m 2020-06-28T21:00:46.59
IV.CSP1.EHE. ML:1.4 0.00011469065 1.872 AML other m 2020-06-28T21:00:46.05
IV.MTRA.HNE. ML:1.4 0.000131155105 0.2048 AML other m 2020-06-28T21:00:47.99
IV.RM33.HNN. ML:1.5 0.00011919847499999999 1.744 AML other m 2020-06-28T21:00:48.95
IV.RM33.EHN. ML:1.5 0.00011608380500000002 0.1408 AML other m 2020-06-28T21:00:48.36
IV.RM33.EHE. ML:1.3 0.00008643423 0.192 AML other m 2020-06-28T21:00:48.52
IV.ARRO.EHN. ML:1.1 0.00005102056 0.1664 AML other m 2020-06-28T21:00:48.52
IV.ARRO.EHE. ML:1.2 0.000066168095 1.808 AML other m 2020-06-28T21:00:48.03
IV.MF5.EHN. ML:1.4 0.00010408595 1.8336 AML other m 2020-06-28T21:00:48.97
IV.MF5.EHE. ML:1.3 0.00007057833999999998 1.872 AML other m 2020-06-28T21:00:49.02
IV.SMA1.EHN. ML:1.4 0.00011448369999999999 0.3584 AML other m 2020-06-28T21:00:49.61
IV.ASSB.HHE. ML:1.2 0.00004911264 0.128 AML other m 2020-06-28T21:00:49.70
IV.SMA1.EHE. ML:1.3 0.000102205305 1.7184 AML other m 2020-06-28T21:00:49.02
IV.MOMA.HHN. ML:1.4 0.000096287175 0.32 AML other m 2020-06-28T21:00:50.03
IV.MOMA.HHE. ML:1.5 0.0001022088 0.1664 AML other m 2020-06-28T21:00:50.46
IV.GUMA.HHE. ML:1.4 0.00011737995000000001 1.7568 AML other m 2020-06-28T21:00:50.91
IV.TERO.HHN. ML:1.3 0.000051105835000000004 0.1152 AML other m 2020-06-28T21:00:51.39
IV.ASSB.HHN. ML:1.1 0.00004611734 0.1024 AML other m 2020-06-28T21:00:51.42
IV.SNTG.HNE. ML:1.8 0.00017517295 0.7168 AML other m 2020-06-28T21:00:51.43
IV.TERO.HHE. ML:1.2 0.000039687710000000004 0.0768 AML other m 2020-06-28T21:00:51.80
IV.SNTG.HHN. ML:1.4 0.00006351423 0.1664 AML other m 2020-06-28T21:00:52.08
IV.SNTG.HHE. ML:1.3 0.00005039944000000001 0.128 AML other m 2020-06-28T21:00:52.37
IV.GUMA.HHN. ML:1.4 0.00010789431500000001 0.4352 AML other m 2020-06-28T21:00:54.14
IV.ATCC.EHE. ML:1.3 0.00004394183 0.192 AML other m 2020-06-28T21:00:54.39
IV.EL6.EHE. ML:1.7 0.00010895 0.18 AML other m 2020-06-28T21:00:55.16
IV.EL6.EHN. ML:1.6 0.00009389999999999999 0.26 AML other m 2020-06-28T21:00:55.35
IV.ATCC.EHN. ML:1.2 0.000041807635 0.3712 AML other m 2020-06-28T21:00:55.92
IV.ARVD.HHN. ML:1.0 0.000016950155 0.1408 AML other m 2020-06-28T21:01:00.07
IV.ARVD.HHE. ML:1.2 0.00002465 0.18 AML other m 2020-06-28T21:01:00.46
IV.PIEI.HHN. ML:0.9 0.0000117 0.52 AML other m 2020-06-28T21:01:03.45
IV.PIEI.HHE. ML:1.1 0.000014999999999999999 0.42 AML other m 2020-06-28T21:01:07.41
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