Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 10-12-2019 and time 01:53:16 (UTC) in region 4 km E Norcia (PG)

A magnitude ML 1.5 earthquake occured in region: 4 km E Norcia (PG), on

  • 10-12-2019 01:53:16 (UTC)
  • 10-12-2019 02:53:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8010, 13.1440 at 7 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 11 281 5238
Preci PG 12 724 5962
Arquata del Tronto AP 13 1178 7140
Cascia PG 14 3217 10357
Accumoli RI 15 667 11024
Visso MC 15 1107 12131
Ussita MC 16 444 12575
Montegallo AP 16 523 13098
Montemonaco AP 19 604 13702
Cerreto di Spoleto PG 19 1075 14777
Poggiodomo PG 20 117 14894

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Foligno (57155 inhabitants)
48 Km W of Teramo (54892 inhabitants)
49 Km NE of Terni (111501 inhabitants)
54 Km NW of L'Aquila (69753 inhabitants)
70 Km E of Perugia (166134 inhabitants)
88 Km W of Montesilvano (53738 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
95 Km W of Pescara (121014 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
97 Km N of Tivoli (56533 inhabitants)
98 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 2019-12-10
01:53:16		 42.8012 13.1443 7 2020-02-28
16:42:19		 Bollettino Sismico Italiano INGV 75559161
Reviewed
Rev100 		ML 1.5 2019-12-10
01:53:16		 42.8007 13.1468 7 2019-12-10
02:06:11		 Sala Sismica INGV-Roma 74501881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-10 01:53:16 ± 0.06
Latitude 42.8012 ± 0.0027
Longitude 13.1443 ± 0.0049
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 75559161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 399
Semi-minor axis of confidence ellipse (meter) 156
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) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 49
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 48
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.71226
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 74501881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-10 02:06:11

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 75559161
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-15 09:26:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VIVA.HHZ. 2019-12-10T01:53:53.36 3.0 undecidable manual S -0.45 0
IV.ARVD.HHZ. 2019-12-10T01:53:41.70 0.3 undecidable manual S 348 79.0653 50 0.92 50
IV.EL6.EHZ. 2019-12-10T01:53:35.56 0.3 undecidable manual S 357 58.6968 50 0.2 66
IV.MNTT.EHZ. 2019-12-10T01:53:33.78 0.3 undecidable manual S 52 46.7199 50 1.63 36
IV.SNTG.HHZ. 2019-12-10T01:53:33.68 0.3 undecidable manual S 342 53.0025 50 -0.15 67
IV.MOMA.HHZ. 2019-12-10T01:53:32.49 0.3 undecidable manual S 271 46.7199 50 0.32 66
IV.TERO.HHZ. 2019-12-10T01:53:30.15 0.3 undecidable manual S 118 42.3243 50 -0.85 55
IV.ARVD.HHZ. 2019-12-10T01:53:30.59 0.1 undecidable manual P 348 79.0653 50 0.16 85
IV.ARRO.EHZ. 2019-12-10T01:53:30.32 0.6 undecidable manual S 232 39.5271 100 0.13 46
IV.MML1.HNE. 2019-12-10T01:53:29.54 0.3 undecidable manual S 338 37.3293 100 0.07 70
IV.PF6.EHN. 2019-12-10T01:53:29.19 0.3 undecidable manual S 6 37.5291 100 -0.35 67
IV.GUMA.HHZ. 2019-12-10T01:53:28.16 0.3 undecidable manual S 28 32.9448 102 0.22 69
IV.CAMP.HHZ. 2019-12-10T01:53:28.74 0.3 undecidable manual S 144 36.5412 101 -0.43 65
IV.RM33.EHZ. 2019-12-10T01:53:27.67 0.3 undecidable manual S 170 32.9448 102 -0.28 68
IV.EL6.EHZ. 2019-12-10T01:53:27.02 0.1 undecidable manual P 357 58.6968 50 -0.28 87
IV.CESI.HHZ. 2019-12-10T01:53:27.09 0.1 undecidable manual S 319 29.8479 103 0.18 93
IV.CSP1.EHZ. 2019-12-10T01:53:27.73 0.3 undecidable manual S 9 32.6451 102 -0.12 70
IV.SNTG.HHZ. 2019-12-10T01:53:26.10 0.1 undecidable manual P 342 53.0025 50 -0.32 87
IV.LNSS.HHZ. 2019-12-10T01:53:25.26 0.3 undecidable manual S 201 23.5542 106 0.46 67
IV.T1299.HNE. 2019-12-10T01:53:25.13 0.3 undecidable manual S 149 21.6672 107 0.97 54
IV.FDMO.HHZ. 2019-12-10T01:53:25.79 0.1 undecidable manual S 350 26.5512 104 0 97
IV.MOMA.HHZ. 2019-12-10T01:53:25.46 0.1 undecidable manual P 271 46.7199 50 0.01 94
IV.MNTT.EHZ. 2019-12-10T01:53:25.80 0.1 undecidable manual P 52 46.7199 50 0.35 87
IV.ASSB.HHZ. 2019-12-10T01:53:25.11 0.1 undecidable manual P 304 47.7189 50 -0.49 84
IV.SMA1.EHZ. 2019-12-10T01:53:25.32 0.3 undecidable manual S 141 24.4533 106 0.21 70
IV.MTRA.EHZ. 2019-12-10T01:53:24.17 0.3 undecidable manual S 103 21.0678 108 0.19 71
IV.ARRO.EHZ. 2019-12-10T01:53:24.07 0.1 undecidable manual P 232 39.5271 100 -0.25 90
IV.TERO.HHZ. 2019-12-10T01:53:24.08 0.1 positive manual P 118 42.3243 50 -0.7 79
IT.MTCL.HGN. 2019-12-10T01:53:24.96 0.3 undecidable manual S 331 24.4533 106 -0.12 71
IV.CAMP.HHZ. 2019-12-10T01:53:23.30 0.1 undecidable manual P 144 36.5412 101 -0.42 87
IV.PF6.EHN. 2019-12-10T01:53:23.47 0.3 undecidable manual P 6 37.5291 100 -0.47 65
IV.MML1.HNE. 2019-12-10T01:53:23.59 0.3 undecidable manual P 338 37.3293 100 -0.31 67
IV.CESI.HHZ. 2019-12-10T01:53:22.37 0.1 undecidable manual P 319 29.8479 103 -0.05 96
IV.MMO1.EHZ. 2019-12-10T01:53:22.94 0.1 undecidable manual S 54 18.3705 110 -0.16 95
IV.CSP1.EHZ. 2019-12-10T01:53:22.81 0.1 undecidable manual P 9 32.6451 102 -0.15 93
IV.RM33.EHZ. 2019-12-10T01:53:22.81 0.1 undecidable manual P 170 32.9448 102 -0.21 92
IV.GUMA.HHZ. 2019-12-10T01:53:22.97 0.1 undecidable manual P 28 32.9448 102 -0.05 95
IV.MC2.EHZ. 2019-12-10T01:53:21.64 0.3 undecidable manual S 16 12.7761 118 0.34 70
IT.MTCL.HGN. 2019-12-10T01:53:21.38 0.1 undecidable manual P 331 24.4533 106 0.02 97
IV.SMA1.EHZ. 2019-12-10T01:53:21.46 0.1 undecidable manual P 141 24.4533 106 0.08 96
IV.LNSS.HHZ. 2019-12-10T01:53:21.54 0.1 undecidable manual P 201 23.5542 106 0.34 91
IV.T1299.HNE. 2019-12-10T01:53:21.19 0.1 undecidable manual P 149 21.6672 107 0.36 91
IV.FDMO.HHZ. 2019-12-10T01:53:21.72 0.1 undecidable manual P 350 26.5512 104 -0.05 96
IV.MTRA.EHZ. 2019-12-10T01:53:20.86 0.1 undecidable manual P 103 21.0678 108 0.13 96
IV.MMO1.EHZ. 2019-12-10T01:53:20.09 0.1 positive manual P 54 18.3705 110 -0.13 96
IV.FEMA.HNN. 2019-12-10T01:53:20.73 0.1 undecidable manual P 337 19.4694 109 0.32 92
IV.MC2.EHZ. 2019-12-10T01:53:19.40 0.1 positive manual P 16 12.7761 118 0.22 95
IV.NRCA.HNZ. 2019-12-10T01:53:18.80 0.1 undecidable manual S 326 4.3956 147 -0.29 95
IV.NRCA.HNZ. 2019-12-10T01:53:17.95 0.1 positive manual P 326 4.3956 147 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:1.6 0.0003165 0.54 AML other m 2019-12-10T01:53:24.52
IV.MTRA.HNE. ML:1.8 0.00045650000000000004 0.16 AML other m 2019-12-10T01:53:25.49
IV.MTRA.EHE. ML:1.8 0.0004525 0.16 AML other m 2019-12-10T01:53:25.49
IV.MTRA.HNN. ML:1.6 0.0003195 0.24 AML other m 2019-12-10T01:53:25.52
IV.LNSS.HHN. ML:1.3 0.00014450000000000002 0.68 AML other m 2019-12-10T01:53:26.50
IV.LNSS.HHE. ML:1.4 0.000167 0.76 AML other m 2019-12-10T01:53:26.74
IV.FDMO.HHN. ML:1.3 0.00010910000000000001 1.66 AML other m 2019-12-10T01:53:27.03
IV.SMA1.EHN. ML:1.2 0.00010575 0.88 AML other m 2019-12-10T01:53:27.15
IV.CESI.HHN. ML:1.5 0.0001545 0.32 AML other m 2019-12-10T01:53:27.44
IV.CESI.HHE. ML:1.3 0.00010275 0.18 AML other m 2019-12-10T01:53:27.79
IV.SMA1.EHE. ML:1.4 0.00014800000000000002 0.58 AML other m 2019-12-10T01:53:28.74
IV.GUMA.HHN. ML:1.8 0.00026700000000000004 1.68 AML other m 2019-12-10T01:53:29.93
IV.GUMA.HHE. ML:1.8 0.0002775 0.5 AML other m 2019-12-10T01:53:29.53
IV.FDMO.HHE. ML:1.1 0.00007374999999999999 0.76 AML other m 2019-12-10T01:53:30.59
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