Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 09-02-2020 and time 02:31:28 (Italy) in region 2 km NE Norcia (PG)

A magnitude ML 1.5 earthquake occured in region: 2 km NE Norcia (PG), on

  • 09-02-2020 01:31:28 (UTC)
  • 09-02-2020 02:31:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8060, 13.1200 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
Castelsantangelo sul Nera MC 10 281 5238
Preci PG 11 724 5962
Cascia PG 13 3217 9179
Visso MC 14 1107 10286
Arquata del Tronto AP 15 1178 11464
Ussita MC 16 444 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 18 117 15369

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
55 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 NE of Guidonia Montecelio (88673 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
97 Km N of Tivoli (56533 inhabitants)
97 Km W of Pescara (121014 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 1.5 2020-02-09
01:31:28		 42.8055 13.1195 9 2020-07-18
21:08:23		 Bollettino Sismico Italiano INGV 77019221
Reviewed
Rev100 		ML 1.5 2020-02-09
01:31:28		 42.8058 13.117 11 2020-02-09
01:38:39		 Sala Sismica INGV-Roma 76360471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-09 01:31:28 ± 0.05
Latitude 42.8055 ± 0.0027
Longitude 13.1195 ± 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 77019221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 340
Semi-minor axis of confidence ellipse (meter) 80
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 250
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) 47
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 53
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.02788
Epicentral distance of station farthest from the epicenter (degree) 0.70417
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 35
Type of magnitude ML
Reference to an origin 77019221
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-04 07:49:50

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 76360471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-09 01:38:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2020-02-09T01:31:53.22 0.3 undecidable manual S 349 78.1662 50 0.76 55
IV.FAGN.HHZ. 2020-02-09T01:31:50.93 0.3 undecidable manual S 147 70.8735 50 0.41 63
IV.EL6.EHZ. 2020-02-09T01:31:47.25 0.1 undecidable manual S 359 58.0974 50 0.14 91
IV.ATCC.EHZ. 2020-02-09T01:31:47.21 0.1 undecidable manual S 317 57.2982 50 0.31 88
IV.FIAM.HHZ. 2020-02-09T01:31:47.50 0.1 undecidable manual S 180 59.5959 50 -0.01 93
IV.SNTG.HHZ. 2020-02-09T01:31:45.22 0.3 undecidable manual S 344 51.9036 50 -0.24 68
IV.GIGS.HHZ. 2020-02-09T01:31:45.40 0.3 undecidable manual S 136 53.8017 50 -0.56 62
IV.MNTT.EHZ. 2020-02-09T01:31:44.43 0.1 undecidable manual S 53 48.0186 50 0.02 95
IV.TERO.HHZ. 2020-02-09T01:31:43.17 0.1 undecidable manual S 117 44.4222 50 -0.28 91
IV.MOMA.HHZ. 2020-02-09T01:31:43.99 0.1 undecidable manual S 270 44.7219 50 0.46 87
IV.ARVD.HHZ. 2020-02-09T01:31:42.26 0.3 undecidable manual P 349 78.1662 50 -0.17 65
IV.CAMP.HHZ. 2020-02-09T01:31:41.38 0.1 undecidable manual S 142 38.1285 50 -0.39 89
IV.FAGN.HHZ. 2020-02-09T01:31:41.94 0.3 undecidable manual P 147 70.8735 50 0.63 59
IV.MF5.EHZ. 2020-02-09T01:31:41.26 0.1 undecidable manual S 54 34.2435 50 0.52 87
IV.GUMA.HHZ. 2020-02-09T01:31:40.63 0.1 undecidable manual S 31 33.4443 50 0.1 96
IV.FIAM.HHZ. 2020-02-09T01:31:39.32 0.1 undecidable manual P 180 59.5959 50 -0.25 89
IV.CSP1.EHZ. 2020-02-09T01:31:39.77 0.1 undecidable manual S 12 32.5452 50 -0.51 88
IV.EL6.EHZ. 2020-02-09T01:31:39.09 0.1 undecidable manual P 359 58.0974 50 -0.25 89
IV.ATCC.EHZ. 2020-02-09T01:31:39.25 0.1 undecidable manual P 317 57.2982 50 0.03 93
IV.CESI.HHZ. 2020-02-09T01:31:38.49 0.1 undecidable manual S 322 28.1496 108 -0.52 88
IV.GIGS.HHZ. 2020-02-09T01:31:38.44 0.3 undecidable manual P 136 53.8017 50 -0.24 67
IV.SNTG.HHZ. 2020-02-09T01:31:38.21 0.3 undecidable manual P 344 51.9036 50 -0.18 68
IV.MNTT.EHZ. 2020-02-09T01:31:38.63 0.1 undecidable manual P 53 48.0186 50 0.85 75
IV.SMA1.EHZ. 2020-02-09T01:31:38.10 0.1 undecidable manual S 138 26.1516 109 -0.26 94
IV.RM33.EHZ. 2020-02-09T01:31:38.78 1.0 undecidable manual P 167 33.8439 50 3.19 1
IV.GAVE.EHZ. 2020-02-09T01:31:37.06 0.1 undecidable manual S 236 22.2555 112 -0.02 99
IV.LNSS.HHZ. 2020-02-09T01:31:37.27 0.1 undecidable manual S 196 23.3544 111 -0.17 96
IV.FDMO.HHZ. 2020-02-09T01:31:37.73 0.1 undecidable manual S 354 25.752 110 -0.48 90
IV.T1299.EHZ. 2020-02-09T01:31:37.66 0.1 undecidable manual S 145 23.1546 112 0.29 94
IV.MTRA.EHZ. 2020-02-09T01:31:37.32 0.1 undecidable manual S 103 23.1546 112 -0.06 98
IV.MOMA.HHZ. 2020-02-09T01:31:37.45 0.1 undecidable manual P 270 44.7219 50 0.17 93
IV.MMO1.EHZ. 2020-02-09T01:31:36.08 0.1 undecidable manual S 58 19.7691 115 -0.22 96
IV.TERO.HHZ. 2020-02-09T01:31:36.86 0.1 undecidable manual P 117 44.4222 50 -0.36 89
IT.MTCL.HGZ. 2020-02-09T01:31:36.96 0.1 undecidable manual S 335 23.0547 112 -0.38 92
IV.MF5.EHZ. 2020-02-09T01:31:35.87 0.1 undecidable manual P 54 34.2435 50 0.21 94
IV.CAMP.HHZ. 2020-02-09T01:31:35.93 0.1 undecidable manual P 142 38.1285 50 -0.33 91
IV.FEMA.HNZ. 2020-02-09T01:31:35.78 0.1 undecidable manual S 342 18.2706 117 -0.04 100
IV.CSP1.EHZ. 2020-02-09T01:31:35.11 0.1 undecidable manual P 12 32.5452 50 -0.28 92
IV.GUMA.HHZ. 2020-02-09T01:31:35.57 0.1 positive manual P 31 33.4443 50 0.03 97
IV.SMA1.EHZ. 2020-02-09T01:31:34.25 0.1 undecidable manual P 138 26.1516 109 -0.04 98
IV.MC2.EHZ. 2020-02-09T01:31:34.77 0.1 undecidable manual S 26 13.0758 125 0.51 91
IV.CESI.HHZ. 2020-02-09T01:31:34.46 0.1 positive manual P 322 28.1496 108 -0.2 95
IV.FDMO.HHZ. 2020-02-09T01:31:34.02 0.1 positive manual P 354 25.752 110 -0.18 96
IV.T1299.EHZ. 2020-02-09T01:31:33.96 0.1 positive manual P 145 23.1546 112 0.24 95
IV.MTRA.EHZ. 2020-02-09T01:31:33.82 0.1 undecidable manual P 103 23.1546 112 0.1 98
IT.MTCL.HGZ. 2020-02-09T01:31:33.60 0.1 undecidable manual P 335 23.0547 112 -0.1 98
IV.GAVE.EHZ. 2020-02-09T01:31:33.77 0.1 undecidable manual P 236 22.2555 112 0.22 95
IV.LNSS.HHZ. 2020-02-09T01:31:33.83 0.1 undecidable manual P 196 23.3544 111 0.07 98
IV.MMO1.EHZ. 2020-02-09T01:31:33.09 0.1 positive manual P 58 19.7691 115 -0.01 100
IV.NRCA.HHZ. 2020-02-09T01:31:32.25 0.1 undecidable manual S 352 3.0969 161 0.16 100
IV.MC2.EHZ. 2020-02-09T01:31:32.27 0.1 positive manual P 26 13.0758 125 0.35 94
IV.FEMA.HNZ. 2020-02-09T01:31:32.95 0.1 positive manual P 342 18.2706 117 0.13 98
IV.NRCA.HHZ. 2020-02-09T01:31:31.05 0.1 positive manual P 352 3.0969 161 0.38 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:0.0 0.00275527 0.0896 AML other m 2020-02-09T01:31:33.04
IV.NRCA.HNN. ML:0.0 0.005005508 0.14 AML other m 2020-02-09T01:31:32.42
IV.NRCA.HHN. ML:0.0 0.0055518320000000005 0.14 AML other m 2020-02-09T01:31:32.42
IV.NRCA.HHE. ML:0.0 0.0028751215 0.08 AML other m 2020-02-09T01:31:33.03
IV.GAVE.HNE. ML:1.5 0.00022031695000000002 0.3904 AML other m 2020-02-09T01:31:37.73
IV.GAVE.EHN. ML:1.4 0.00015444175 0.16 AML other m 2020-02-09T01:31:38.02
IV.MTRA.EHE. ML:1.4 0.00016324179999999998 0.18 AML other m 2020-02-09T01:31:39.07
IV.MTRA.EHN. ML:1.4 0.00015618815000000003 0.24 AML other m 2020-02-09T01:31:38.45
IV.MTRA.HNE. ML:1.4 0.0001695818 0.18 AML other m 2020-02-09T01:31:39.07
IV.MTRA.HNN. ML:1.4 0.00017174800000000002 0.16 AML other m 2020-02-09T01:31:38.45
IV.LNSS.HNE. ML:1.8 0.00042794519999999996 0.1296 AML other m 2020-02-09T01:31:38.48
IV.LNSS.HHE. ML:1.8 0.00044663275 0.12 AML other m 2020-02-09T01:31:38.48
IV.LNSS.HNN. ML:1.8 0.0004348024 0.2704 AML other m 2020-02-09T01:31:38.84
IV.LNSS.HHN. ML:1.8 0.0004361296 0.14 AML other m 2020-02-09T01:31:38.84
IV.FDMO.HHN. ML:1.6 0.00021276824999999998 0.22 AML other m 2020-02-09T01:31:38.01
IV.SMA1.EHN. ML:1.5 0.00018973605 0.24 AML other m 2020-02-09T01:31:39.99
IV.CESI.HNE. ML:1.6 0.00022383355 0.1304 AML other m 2020-02-09T01:31:38.73
IV.CESI.HNN. ML:1.8 0.00032966135000000004 0.24 AML other m 2020-02-09T01:31:38.74
IV.CESI.HHE. ML:1.6 0.00022569519999999997 0.14 AML other m 2020-02-09T01:31:38.72
IV.CESI.HHN. ML:1.8 0.00036013655 0.24 AML other m 2020-02-09T01:31:38.74
IV.CSP1.EHE. ML:1.5 0.00013060352499999999 0.22 AML other m 2020-02-09T01:31:40.50
IV.CSP1.EHN. ML:1.4 0.00012614139 0.32 AML other m 2020-02-09T01:31:40.45
IV.GUMA.HHN. ML:1.6 0.0001878637 0.18 AML other m 2020-02-09T01:31:41.47
IV.MF5.EHE. ML:1.3 0.000090072335 0.2 AML other m 2020-02-09T01:31:41.86
IV.CAMP.HHE. ML:1.3 0.00006825201 0.16 AML other m 2020-02-09T01:31:41.64
IV.CAMP.HHN. ML:1.3 0.00007652086999999999 0.24 AML other m 2020-02-09T01:31:41.67
IV.TERO.HHN. ML:1.5 0.00010433961 0.12 AML other m 2020-02-09T01:31:44.14
IV.TERO.HHE. ML:1.4 0.000082424495 0.12 AML other m 2020-02-09T01:31:44.19
IV.MOMA.HHN. ML:1.1 0.000037366165 0.26 AML other m 2020-02-09T01:31:46.37
IV.MOMA.HHE. ML:1.3 0.00005318858500000001 0.18 AML other m 2020-02-09T01:31:45.45
IV.MNTT.EHN. ML:1.7 0.0001352991 0.26 AML other m 2020-02-09T01:31:46.91
IV.EL6.EHE. ML:1.6 0.00007885052500000001 0.22 AML other m 2020-02-09T01:31:49.32
IV.EL6.EHN. ML:1.6 0.000080476305 0.2 AML other m 2020-02-09T01:31:48.13
IV.ATCC.EHE. ML:1.2 0.000033478935 0.16 AML other m 2020-02-09T01:31:49.10
IV.ATCC.EHN. ML:1.4 0.00004770763999999999 0.34 AML other m 2020-02-09T01:31:50.25
IV.FIAM.HNE. ML:3.1 0.0025411275 1.16 AML other m 2020-02-09T01:31:57.48
IV.FIAM.HHN. ML:0.9 0.0000143753395 0.18 AML other m 2020-02-09T01:31:49.01
IV.FIAM.HHE. ML:1.0 0.00002005779 0.3 AML other m 2020-02-09T01:31:48.64
IV.FAGN.HHN. ML:1.5 0.00005247646 0.24 AML other m 2020-02-09T01:31:54.39
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