Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 30-07-2020 and time 04:00:06 (Italy) in region 7 km E Norcia (PG)

A magnitude ML 1.5 earthquake occured in region: 7 km E Norcia (PG), on

  • 30-07-2020 02:00:06 (UTC)
  • 30-07-2020 04:00:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8170, 13.1710 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 7 4957 4957
Castelsantangelo sul Nera MC 9 281 5238
Arquata del Tronto AP 11 1178 6416
Preci PG 13 724 7140
Montegallo AP 14 523 7663
Visso MC 14 1107 8770
Ussita MC 15 444 9214
Accumoli RI 15 667 9881
Montemonaco AP 16 604 10485
Cascia PG 17 3217 13702
Montefortino FM 20 1178 14880

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
47 Km W of Teramo (54892 inhabitants)
51 Km NE of Terni (111501 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
71 Km E of Perugia (166134 inhabitants)
87 Km W of Montesilvano (53738 inhabitants)
93 Km SW of Ancona (100861 inhabitants)
94 Km W of Pescara (121014 inhabitants)
97 Km NW of Chieti (51815 inhabitants)
98 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km E of Viterbo (67173 inhabitants)
100 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 1.5 2020-07-30
02:00:06		 42.8167 13.1712 9 2020-11-19
12:36:59		 Bollettino Sismico Italiano INGV 82524901
Reviewed
Rev100 		ML 1.5 2020-07-30
02:00:06		 42.8187 13.1687 9 2020-07-30
02:08:11		 Sala Sismica INGV-Roma 81470541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-30 02:00:06 ± 0.04
Latitude 42.8167 ± 0.0018
Longitude 13.1712 ± 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 82524901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 254
Semi-minor axis of confidence ellipse (meter) 120
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 251
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) 38
Number of associated phases, regardless of their use for origin computation 54
Number of defining phases 42
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) 0.64841
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 48
Type of magnitude ML
Reference to an origin 82524901
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-01 08:09:08

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 58
Type of magnitude ML
Reference to an origin 81470541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-30 02:08:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2020-07-30T02:00:36.26 3.0 undecidable manual S -0.12 0
IV.ARVD.HHZ. 2020-07-30T02:00:31.22 3.0 undecidable manual S -0.1 0
IV.MURB.HHZ. 2020-07-30T02:00:29.94 3.0 undecidable manual S 0.38 0
IV.FAGN.HHZ. 2020-07-30T02:00:28.87 3.0 undecidable manual S 0 0
IV.PE3.EHZ. 2020-07-30T02:00:24.56 3.0 undecidable manual P -1.36 0
IV.NARO.HHZ. 2020-07-30T02:00:23.45 3.0 positive manual P -0.54 0
IV.PIEI.HHZ. 2020-07-30T02:00:22.99 3.0 undecidable manual P -0.12 0
IV.ATVO.HHZ. 2020-07-30T02:00:21.71 3.0 undecidable manual P -0.26 0
IV.FRON.EHZ. 2020-07-30T02:00:21.10 3.0 undecidable manual P -0.48 0
IV.T0110.HHZ. 2020-07-30T02:00:20.32 3.0 positive manual P -0.59 0
IV.ARVD.HHZ. 2020-07-30T02:00:20.10 3.0 negative manual P -0.17 0
IV.MURB.HHZ. 2020-07-30T02:00:19.17 3.0 positive manual P -0.11 0
IV.RM33.EHZ. 2020-07-30T02:00:18.03 0.1 undecidable manual S 174 34.3434 50 -0.06 97
IV.VCEL.EHZ. 2020-07-30T02:00:18.89 0.6 undecidable manual P 130 71.9724 50 0.08 45
IV.GUMA.HHZ. 2020-07-30T02:00:17.21 0.6 undecidable manual S 26 30.3474 50 0.17 48
IV.FOSV.EHZ. 2020-07-30T02:00:17.39 0.1 undecidable manual P 328 62.5929 50 0.02 93
IV.MF5.EHZ. 2020-07-30T02:00:17.34 0.1 undecidable manual S 51 30.1476 50 0.36 92
IV.EL6.EHZ. 2020-07-30T02:00:16.51 0.3 undecidable manual P 354 57.0984 50 -0.02 70
IV.ATCC.EHZ. 2020-07-30T02:00:16.95 0.1 undecidable manual P 314 59.3961 50 0.08 92
IV.CSP1.EHZ. 2020-07-30T02:00:16.83 0.3 undecidable manual S 5 30.6471 50 -0.28 70
IV.CESI.HHZ. 2020-07-30T02:00:16.93 0.3 undecidable manual S 314 30.0477 50 -0.03 74
IV.ASSB.HHZ. 2020-07-30T02:00:15.19 0.1 undecidable manual P 301 48.618 50 -0.02 95
IV.LNSS.HHZ. 2020-07-30T02:00:15.83 0.1 undecidable manual S 204 26.0517 110 0.17 96
IV.MOMA.HHZ. 2020-07-30T02:00:15.45 0.3 undecidable manual P 269 48.9177 50 0.19 69
IV.GAVE.EHZ. 2020-07-30T02:00:15.78 0.1 undecidable manual S 239 26.4513 109 -0.02 99
IV.SMA1.EHZ. 2020-07-30T02:00:15.09 0.3 undecidable manual S 147 24.6531 111 -0.11 73
IV.FDMO.HHZ. 2020-07-30T02:00:15.24 0.1 undecidable manual S 344 25.3524 110 -0.19 96
IT.MTCL.HGZ. 2020-07-30T02:00:14.78 0.3 undecidable manual S 325 24.0537 111 -0.25 71
IV.OFFI.HHZ. 2020-07-30T02:00:14.90 0.1 undecidable manual P 72 43.8228 50 0.42 88
IV.T1299.HNZ. 2020-07-30T02:00:14.63 0.3 undecidable manual S 156 22.1556 113 0.22 72
IV.MNTT.EHZ. 2020-07-30T02:00:14.81 0.1 undecidable manual P 52 43.9227 50 0.32 90
IV.CAMP.HHZ. 2020-07-30T02:00:13.00 0.1 undecidable manual P 148 36.741 50 -0.38 90
IV.FEMA.HNZ. 2020-07-30T02:00:13.66 0.1 undecidable manual S 329 18.87 116 0.28 95
IV.MTRA.EHZ. 2020-07-30T02:00:13.98 0.1 undecidable manual S 110 19.5693 115 0.41 93
IV.TERO.HHZ. 2020-07-30T02:00:13.61 0.1 undecidable manual P 121 41.3253 50 -0.48 88
IV.RM33.EHZ. 2020-07-30T02:00:12.84 0.1 undecidable manual P 174 34.3434 50 -0.17 95
IV.CSP1.EHZ. 2020-07-30T02:00:12.12 0.1 undecidable manual P 5 30.6471 50 -0.32 93
IV.CESI.HHZ. 2020-07-30T02:00:12.33 0.1 undecidable manual P 314 30.0477 50 -0.03 98
IV.GUMA.HHZ. 2020-07-30T02:00:12.42 0.1 undecidable manual P 26 30.3474 50 0.02 99
IV.MF5.EHZ. 2020-07-30T02:00:12.45 0.1 undecidable manual P 51 30.1476 50 0.08 97
IV.SMA1.EHZ. 2020-07-30T02:00:11.18 0.3 undecidable manual P 147 24.6531 111 -0.16 73
IV.FDMO.HHZ. 2020-07-30T02:00:11.35 0.1 undecidable manual P 344 25.3524 110 -0.12 97
IV.MMO1.EHZ. 2020-07-30T02:00:11.94 0.1 undecidable manual S 54 15.6732 121 -0.44 93
IT.MTCL.HGZ. 2020-07-30T02:00:11.24 0.3 undecidable manual P 325 24.0537 111 -0.01 75
IV.LNSS.HHZ. 2020-07-30T02:00:11.66 0.1 undecidable manual P 204 26.0517 110 0.05 99
IV.GAVE.EHZ. 2020-07-30T02:00:11.93 0.1 undecidable manual P 239 26.4513 109 0.24 95
IV.MC2.EHZ. 2020-07-30T02:00:11.12 0.3 undecidable manual S 8 10.5783 131 0.16 74
IV.T1299.HNZ. 2020-07-30T02:00:10.67 0.1 undecidable manual P 156 22.1556 113 -0.22 96
IV.MTRA.EHZ. 2020-07-30T02:00:10.32 0.1 undecidable manual P 110 19.5693 115 -0.08 99
IV.FEMA.HNZ. 2020-07-30T02:00:10.51 0.3 undecidable manual P 329 18.87 116 0.22 72
IV.NRCA.HNZ. 2020-07-30T02:00:09.47 0.1 undecidable manual S 292 4.995 152 -0.26 98
IV.MC2.EHZ. 2020-07-30T02:00:09.13 0.3 undecidable manual P 8 10.5783 131 0.23 73
IV.MMO1.EHZ. 2020-07-30T02:00:09.64 0.1 undecidable manual P 54 15.6732 121 -0.08 100
IV.NRCA.HNZ. 2020-07-30T02:00:08.36 0.1 undecidable manual P 292 4.995 152 0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNN. ML:1.5 0.00025550000000000003 0.92 AML other m 2020-07-30T02:00:13.97
IV.TERO.HHE. ML:1.3 0.000058250000000000006 0.08 AML other m 2020-07-30T02:00:13.79
IV.MTRA.EHE. ML:1.6 0.000304 0.6 AML other m 2020-07-30T02:00:14.59
IV.MTRA.HNE. ML:1.6 0.0003175 0.14 AML other m 2020-07-30T02:00:14.59
IV.FDMO.HHN. ML:1.6 0.0002415 0.26 AML other m 2020-07-30T02:00:15.61
IV.FDMO.HHE. ML:1.6 0.00022700000000000002 0.22 AML other m 2020-07-30T02:00:15.61
IV.MTRA.EHN. ML:1.5 0.00023 0.18 AML other m 2020-07-30T02:00:15.85
IV.GAVE.EHN. ML:1.5 0.00017299999999999998 1.18 AML other m 2020-07-30T02:00:17.77
IV.CESI.HHN. ML:1.8 0.00027100000000000003 0.3 AML other m 2020-07-30T02:00:17.36
IV.GAVE.EHE. ML:1.6 0.00021550000000000003 1.12 AML other m 2020-07-30T02:00:17.24
IV.CSP1.EHE. ML:1.9 0.0003415 0.96 AML other m 2020-07-30T02:00:17.80
IV.CESI.HHE. ML:1.6 0.00017449999999999999 0.32 AML other m 2020-07-30T02:00:17.74
IV.MF5.EHN. ML:1.3 0.0000974 0.44 AML other m 2020-07-30T02:00:17.75
IV.CSP1.EHN. ML:1.9 0.000356 0.32 AML other m 2020-07-30T02:00:17.83
IV.MF5.EHE. ML:1.3 0.0000971 1.56 AML other m 2020-07-30T02:00:18.07
IV.GUMA.HHN. ML:1.7 0.00025 0.24 AML other m 2020-07-30T02:00:18.32
IV.RM33.EHN. ML:1.4 0.0001175 0.22 AML other m 2020-07-30T02:00:18.43
IV.RM33.EHE. ML:1.4 0.0001115 0.94 AML other m 2020-07-30T02:00:19.15
IV.GUMA.HHE. ML:1.6 0.0001985 0.36 AML other m 2020-07-30T02:00:22.08
IV.OFFI.HHN. ML:1.6 0.000129 1.32 AML other m 2020-07-30T02:00:22.95
IV.MNTT.EHE. ML:1.8 0.000192 0.46 AML other m 2020-07-30T02:00:22.99
IV.TERO.HHN. ML:1.3 0.00006315 0.34 AML other m 2020-07-30T02:00:23.18
IV.ASSB.HHE. ML:1.7 0.0001237 0.12 AML other m 2020-07-30T02:00:23.23
IV.MOMA.HHE. ML:1.3 0.00005285 0.14 AML other m 2020-07-30T02:00:23.30
IV.ASSB.HHN. ML:1.6 0.00011135000000000001 0.8 AML other m 2020-07-30T02:00:23.27
IV.MOMA.HHN. ML:1.3 0.00005405 0.28 AML other m 2020-07-30T02:00:24.62
IV.MNTT.EHN. ML:1.8 0.00021899999999999998 0.56 AML other m 2020-07-30T02:00:24.57
IV.EL6.EHN. ML:1.8 0.00012305 0.88 AML other m 2020-07-30T02:00:26.94
IV.ATCC.EHN. ML:1.5 0.00006065 0.3 AML other m 2020-07-30T02:00:26.72
IV.FOSV.EHE. ML:1.6 0.00008375 0.26 AML other m 2020-07-30T02:00:26.67
IV.FOSV.EHN. ML:1.6 0.00007625 1.8 AML other m 2020-07-30T02:00:26.02
IV.ATCC.EHE. ML:1.7 0.00009455 1.18 AML other m 2020-07-30T02:00:28.84
IV.EL6.EHE. ML:1.6 0.00009504999999999999 1.6 AML other m 2020-07-30T02:00:28.97
IV.OFFI.HHE. ML:1.4 0.00006759999999999999 1.52 AML other m 2020-07-30T02:00:30.23
IV.MURB.HHE. ML:1.8 0.00010059999999999999 0.18 AML other m 2020-07-30T02:00:31.17
IV.VCEL.EHE. ML:1.2 0.00002605 0.52 AML other m 2020-07-30T02:00:31.58
IV.MURB.HHN. ML:1.8 0.00009085 0.74 AML other m 2020-07-30T02:00:31.98
IV.VCEL.EHN. ML:1.3 0.0000327 1.06 AML other m 2020-07-30T02:00:32.06
IV.ARVD.HHN. ML:1.3 0.00002775 0.48 AML other m 2020-07-30T02:00:32.30
IV.ARVD.HHE. ML:1.3 0.00002985 0.92 AML other m 2020-07-30T02:00:33.09
IV.FAGN.HHE. ML:1.4 0.000037900000000000006 0.72 AML other m 2020-07-30T02:00:33.58
IV.FRON.EHN. ML:1.6 0.0000465 0.32 AML other m 2020-07-30T02:00:33.83
IV.FRON.EHE. ML:1.3 0.00002315 0.68 AML other m 2020-07-30T02:00:34.40
IV.T0110.HHE. ML:1.3 0.000025149999999999998 0.44 AML other m 2020-07-30T02:00:35.08
IV.FAGN.HHN. ML:1.2 0.0000317 1.58 AML other m 2020-07-30T02:00:36.92
IV.PIEI.HHE. ML:1.4 0.000022850000000000003 0.64 AML other m 2020-07-30T02:00:38.00
IV.PIEI.HHN. ML:1.2 0.00001375 0.54 AML other m 2020-07-30T02:00:38.67
IV.T0110.HHN. ML:1.3 0.000025149999999999998 0.54 AML other m 2020-07-30T02:00:41.20
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