Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 13-07-2020 and time 10:08:48 (Italy) in region 3 km NE Norcia (PG)

A magnitude ML 1.7 earthquake occured in region: 3 km NE Norcia (PG), on

  • 13-07-2020 08:08:48 (UTC)
  • 13-07-2020 10:08:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8100, 13.1240 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 3 4957 4957
Castelsantangelo sul Nera MC 10 281 5238
Preci PG 10 724 5962
Cascia PG 14 3217 9179
Visso MC 14 1107 10286
Arquata del Tronto AP 15 1178 11464
Ussita MC 15 444 11908
Accumoli RI 16 667 12575
Cerreto di Spoleto PG 17 1075 13650
Montegallo AP 18 523 14173
Sellano PG 18 1079 15252
Poggiodomo PG 19 117 15369
Montemonaco AP 20 604 15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
50 Km W of Teramo (54892 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
68 Km E of Perugia (166134 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
95 Km SW of Ancona (100861 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
97 Km W of Pescara (121014 inhabitants)
98 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 1.7 2020-07-13
08:08:48		 42.8098 13.1235 10 2020-11-19
12:36:53		 Bollettino Sismico Italiano INGV 81069291
Reviewed
Rev100 		ML 1.7 2020-07-13
08:08:48		 42.8128 13.1222 10 2020-07-13
08:14:17		 Sala Sismica INGV-Roma 80999481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-13 08:08:48 ± 0.04
Latitude 42.8098 ± 0.0018
Longitude 13.1235 ± 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 81069291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 287
Semi-minor axis of confidence ellipse (meter) 94
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 260
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 42
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) 0.75363
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 81069291
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-16 09:44:04

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 80999481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-13 08:14:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T0110.HHZ. 2020-07-13T08:09:03.10 1.0 undecidable manual P 140 83.6496 50 0.19 21
IV.MOMA.HHZ. 2020-07-13T08:09:03.61 3.0 undecidable manual S -0.25 0
IV.CESX.HHZ. 2020-07-13T08:09:02.80 3.0 undecidable manual S 243 49.1175 50 -1.48 0
IV.GUMA.HHZ. 2020-07-13T08:09:00.40 0.3 undecidable manual S 31 32.9448 50 0.46 67
IV.RM33.EHZ. 2020-07-13T08:09:00.10 1.0 undecidable manual S 167 34.2435 50 -0.19 23
IV.CSP1.EHZ. 2020-07-13T08:08:59.60 0.3 undecidable manual S 12 31.9458 50 -0.1 72
IV.OFFI.HHE. 2020-07-13T08:08:58.20 1.0 undecidable manual P 73 47.7189 50 0.82 19
IV.CESI.HHZ. 2020-07-13T08:08:58.50 0.3 undecidable manual S 321 28.0497 50 -0.14 72
IV.EL6.EHZ. 2020-07-13T08:08:58.91 0.1 undecidable manual P 358 57.6978 50 0.01 93
IV.MNTT.EHZ. 2020-07-13T08:08:58.38 3.0 positive manual P 47.4192 1.05 0
IV.CESX.HHZ. 2020-07-13T08:08:57.87 0.6 undecidable manual P 243 49.1175 50 0.28 45
IV.LNSS.HHZ. 2020-07-13T08:08:57.60 0.3 undecidable manual S 196 23.9538 113 0.15 72
IV.SNTG.HHZ. 2020-07-13T08:08:57.88 0.1 undecidable manual P 343 51.5151 50 -0.08 93
IV.T1299.HNZ. 2020-07-13T08:08:57.50 0.3 undecidable manual S 146 23.3544 113 0.23 71
IV.ASSB.HHN. 2020-07-13T08:08:57.03 1.0 undecidable manual P 305 45.7209 50 -0.04 24
IV.GAVE.EHZ. 2020-07-13T08:08:57.10 0.3 undecidable manual S 235 22.755 114 0.02 74
IV.GIGS.HHN. 2020-07-13T08:08:57.65 1.0 undecidable manual P 137 53.9016 50 -0.68 20
IV.FDMO.HHZ. 2020-07-13T08:08:57.70 0.3 undecidable manual S 353 25.3524 111 -0.19 71
IV.MTRA.EHZ. 2020-07-13T08:08:56.70 0.3 undecidable manual S 105 22.9548 113 -0.45 68
IV.SAP2.EHE. 2020-07-13T08:08:56.38 0.3 undecidable manual P 35 38.9277 50 0.37 67
IV.TERO.HHZ. 2020-07-13T08:08:56.57 0.3 undecidable manual P 118 44.3223 50 -0.28 68
IT.MTCL.HGZ. 2020-07-13T08:08:56.80 0.3 undecidable manual S 334 22.755 114 -0.28 70
IV.ARRO.EHZ. 2020-07-13T08:08:55.97 0.3 undecidable manual P 229 38.8278 50 -0.03 72
IV.GUMA.HHZ. 2020-07-13T08:08:55.31 0.3 undecidable manual P 31 32.9448 50 0.22 70
IV.FEMA.HNE. 2020-07-13T08:08:55.60 0.3 undecidable manual S 340 17.9709 119 0.03 75
IV.CAMP.HHZ. 2020-07-13T08:08:55.67 0.6 undecidable manual P 142 38.3283 50 -0.25 46
IV.PF6.EHN. 2020-07-13T08:08:55.50 0.1 undecidable manual P 9 36.8298 50 -0.2 93
IV.RM33.EHZ. 2020-07-13T08:08:55.00 0.3 undecidable manual P 167 34.2435 50 -0.29 69
IV.MMO1.EHZ. 2020-07-13T08:08:55.90 0.3 undecidable manual S 59 19.2696 117 -0.08 74
IV.MF5.EHZ. 2020-07-13T08:08:55.54 0.3 undecidable manual P 54 33.744 50 0.33 68
IV.MML1.HNE. 2020-07-13T08:08:55.44 0.1 undecidable manual P 340 35.8419 50 -0.11 95
IV.CESI.HHZ. 2020-07-13T08:08:54.32 0.1 undecidable manual P 321 28.0497 50 -0.01 98
IV.SMA1.EHZ. 2020-07-13T08:08:54.02 0.3 undecidable manual P 139 26.3514 50 -0.06 73
IV.CSP1.EHZ. 2020-07-13T08:08:54.93 0.1 undecidable manual P 12 31.9458 50 -0.02 98
IV.FDMO.HHZ. 2020-07-13T08:08:53.79 0.1 undecidable manual P 353 25.3524 111 -0.11 97
IV.LNSS.HHZ. 2020-07-13T08:08:53.61 0.1 undecidable manual P 196 23.9538 113 -0.04 98
IT.MTCL.HGZ. 2020-07-13T08:08:53.39 0.1 undecidable manual P 334 22.755 114 -0.04 99
IV.GAVE.EHZ. 2020-07-13T08:08:53.53 0.1 undecidable manual P 235 22.755 114 0.09 98
IV.T1299.HNZ. 2020-07-13T08:08:53.67 0.1 undecidable manual P 146 23.3544 113 0.12 97
IV.MTRA.EHZ. 2020-07-13T08:08:53.33 0.1 undecidable manual P 105 22.9548 113 -0.14 97
IV.MMO1.EHZ. 2020-07-13T08:08:52.80 0.1 undecidable manual P 59 19.2696 117 0 100
IV.FEMA.HNE. 2020-07-13T08:08:52.74 0.3 undecidable manual P 340 17.9709 119 0.18 72
IV.MC2.EHZ. 2020-07-13T08:08:51.96 0.1 undecidable manual P 25 12.4764 129 0.31 95
IV.NRCA.HHZ. 2020-07-13T08:08:51.90 0.3 undecidable manual S 344 2.6973 165 -0.13 75
IV.NRCA.HHZ. 2020-07-13T08:08:50.77 0.1 undecidable manual P 344 2.6973 165 0.25 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.0 0.004435 0.14 AML other m 2020-07-13T08:08:52.08
IV.NRCA.HNN. ML:0.0 0.00457 0.14 AML other m 2020-07-13T08:08:52.08
IV.NRCA.HNE. ML:0.0 0.005300000000000001 0.14 AML other m 2020-07-13T08:08:52.43
IV.NRCA.HHE. ML:0.0 0.00598 0.14 AML other m 2020-07-13T08:08:52.43
IV.GAVE.EHE. ML:0.0 0.0008065 0.92 AML other m 2020-07-13T08:08:57.67
IV.GAVE.EHN. ML:0.0 0.0006105 0.88 AML other m 2020-07-13T08:08:57.76
IV.MTRA.EHN. ML:0.0 0.000211 1.46 AML other m 2020-07-13T08:08:57.86
IV.MTRA.EHE. ML:0.0 0.00029843664999999996 0.1152 AML other m 2020-07-13T08:08:57.32
IV.LNSS.HHE. ML:0.0 0.0009196904500000001 0.3776 AML other m 2020-07-13T08:08:57.96
IV.LNSS.HHN. ML:0.0 0.0004828366 0.1408 AML other m 2020-07-13T08:08:57.84
IV.FDMO.HHN. ML:0.0 0.000235 0.4 AML other m 2020-07-13T08:08:58.31
IV.CESI.HHN. ML:0.0 0.0004290000000000001 1.46 AML other m 2020-07-13T08:08:58.95
IV.CESI.HHE. ML:0.0 0.0003695 1.58 AML other m 2020-07-13T08:08:59.81
IV.FDMO.HHE. ML:0.0 0.00012444215 0.6976 AML other m 2020-07-13T08:08:58.88
IV.CSP1.EHN. ML:2.1 0.00060855 0.42 AML other m 2020-07-13T08:08:59.17
IV.SMA1.EHN. ML:1.8 0.00032399999999999996 0.68 AML other m 2020-07-13T08:08:59.72
IV.CSP1.EHE. ML:0.0 0.00019600000000000002 0.44 AML other m 2020-07-13T08:09:00.05
IV.GUMA.HHE. ML:0.0 0.00042100000000000004 1.54 AML other m 2020-07-13T08:09:01.16
IV.CAMP.HHE. ML:1.3 0.0000778 0.22 AML other m 2020-07-13T08:09:01.16
IV.MF5.EHN. ML:1.7 0.00022399999999999997 1.28 AML other m 2020-07-13T08:09:01.23
IV.RM33.EHN. ML:0.0 0.00015900000000000002 1.74 AML other m 2020-07-13T08:09:01.88
IV.RM33.EHE. ML:0.0 0.00012347025 0.8 AML other m 2020-07-13T08:09:01.14
IV.CAMP.HHN. ML:1.2 0.00006110000000000001 0.66 AML other m 2020-07-13T08:09:02.58
IV.ARRO.EHE. ML:1.4 0.00008554999999999999 0.2 AML other m 2020-07-13T08:09:02.76
IV.SMA1.EHE. ML:1.7 0.000279 1.52 AML other m 2020-07-13T08:09:03.20
IV.ARRO.EHN. ML:1.4 0.00008285000000000001 0.46 AML other m 2020-07-13T08:09:03.76
IV.TERO.HHE. ML:1.6 0.00011649999999999999 0.48 AML other m 2020-07-13T08:09:03.60
IV.GUMA.HHN. ML:0.0 0.000360642 0.9216 AML other m 2020-07-13T08:09:00.63
IV.MF5.EHE. ML:1.7 0.000221 0.36 AML other m 2020-07-13T08:09:04.25
IV.MOMA.HHE. ML:1.5 0.0000935 0.94 AML other m 2020-07-13T08:09:04.93
IV.MOMA.HHN. ML:1.4 0.00007994999999999999 0.54 AML other m 2020-07-13T08:09:04.98
IV.TERO.HHN. ML:1.6 0.00011599999999999999 1.68 AML other m 2020-07-13T08:09:04.99
IV.SNTG.HHE. ML:1.4 0.000057749999999999994 0.8 AML other m 2020-07-13T08:09:05.54
IV.SNTG.HHN. ML:1.3 0.000053150000000000004 1.12 AML other m 2020-07-13T08:09:06.24
IV.MNTT.EHE. ML:2.2 0.00048450000000000007 0.42 AML other m 2020-07-13T08:09:07.74
IV.MNTT.EHN. ML:2.3 0.0005655 1.14 AML other m 2020-07-13T08:09:07.76
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