Earthquake with magnitude of ML 1.2 on date 14-12-2018 and time 04:51:20 (Italy) in region 7 km E Norcia (PG)

A magnitude ML 1.2 earthquake occured in region: 7 km E Norcia (PG), on

  • 14-12-2018 03:51:20 (UTC)
  • 14-12-2018 04:51:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7930, 13.1800 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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.

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
Arquata del Tronto AP 10 1178 6135
Castelsantangelo sul Nera MC 12 281 6416
Accumoli RI 12 667 7083
Montegallo AP 14 523 7606
Preci PG 15 724 8330
Cascia PG 16 3217 11547
Montemonaco AP 17 604 12151
Visso MC 17 1107 13258
Ussita MC 17 444 13702
Acquasanta Terme AP 19 2916 16618
Cittareale RI 19 482 17100

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
45 Km W of Teramo (54892 inhabitants)
51 Km NE of Terni (111501 inhabitants)
52 Km NW of L'Aquila (69753 inhabitants)
73 Km E of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
92 Km W of Pescara (121014 inhabitants)
95 Km NW of Chieti (51815 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km S of Ancona (100861 inhabitants)
97 Km NE of Tivoli (56533 inhabitants)
97 Km E of Viterbo (67173 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
Reviewed
Rev100
ML 1.2 2018-12-14
03:51:20
42.7928 13.1797 10 2018-12-14
04:05:25
Sala Sismica INGV-Roma 63897791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-14 03:51:20 ± 0.05
Latitude 42.7928 ± 0.0027
Longitude 13.1797 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 63897791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 347
Semi-minor axis of confidence ellipse (meter) 300
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 74
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
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) 0.06295
Epicentral distance of station farthest from the epicenter (degree) 0.37142
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 63897791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-12-14 04:05:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GUMA.HNE. 2018-12-14T03:51:32.00 0.3 undecidable manual S 23 32.4453 50 0.25 69
IV.MF5.EHZ. 2018-12-14T03:51:31.87 1.0 undecidable manual S 46 31.3464 50 0.41 22
IV.CESI.HHE. 2018-12-14T03:51:31.67 0.1 undecidable manual S 317 32.4453 50 -0.07 95
IV.RM33.EHZ. 2018-12-14T03:51:31.51 0.3 undecidable manual S 175 31.6461 50 -0.01 72
IV.FDMO.HHZ. 2018-12-14T03:51:30.11 0.3 undecidable manual S 345 28.0497 50 -0.46 66
IV.GAVE.EHZ. 2018-12-14T03:51:29.72 0.3 undecidable manual S 244 25.752 50 -0.25 70
IV.ARRO.EHZ. 2018-12-14T03:51:28.25 0.6 undecidable manual P 235 41.2254 50 -0.06 47
IV.T1299.HNZ. 2018-12-14T03:51:28.29 1.0 undecidable manual S 155 19.4694 118 0.25 23
IV.MMO1.EHZ. 2018-12-14T03:51:27.04 0.3 undecidable manual S 45 16.7721 121 -0.19 72
IV.MTRA.EHZ. 2018-12-14T03:51:27.11 0.3 undecidable manual S 103 18.0708 119 -0.51 67
IV.MF5.EHZ. 2018-12-14T03:51:27.08 0.3 undecidable manual P 46 31.3464 50 0.29 68
IV.TERO.HHZ. 2018-12-14T03:51:27.83 0.6 undecidable manual P 118 39.4272 50 -0.19 46
IV.GUMA.HNE. 2018-12-14T03:51:27.18 0.1 undecidable manual P 23 32.4453 50 0.22 92
IV.MC2.EHZ. 2018-12-14T03:51:26.14 0.3 undecidable manual S 3 13.1757 128 -0.04 74
IV.RM33.EHZ. 2018-12-14T03:51:26.92 0.3 negative manual P 175 31.6461 50 0.09 71
IV.FDMO.HHZ. 2018-12-14T03:51:26.15 0.1 undecidable manual P 345 28.0497 50 -0.12 95
IV.GAVE.EHZ. 2018-12-14T03:51:26.02 0.1 undecidable manual P 244 25.752 50 0.09 96
IV.CESI.HHE. 2018-12-14T03:51:26.92 0.1 undecidable manual P 317 32.4453 50 -0.03 96
IV.T1299.HNZ. 2018-12-14T03:51:25.18 0.6 undecidable manual P 155 19.4694 118 0.37 46
IV.SMA1.EHZ. 2018-12-14T03:51:25.21 0.3 undecidable manual P 145 22.0668 115 -0.06 73
IV.MMO1.EHZ. 2018-12-14T03:51:24.30 0.1 undecidable manual P 45 16.7721 121 -0.05 98
IV.MTRA.EHZ. 2018-12-14T03:51:24.55 0.1 undecidable manual P 103 18.0708 119 -0.02 99
IV.NRCA.HHZ. 2018-12-14T03:51:24.64 0.1 undecidable manual S 310 6.993 145 -0.05 100
IV.NRCA.HHZ. 2018-12-14T03:51:23.11 0.1 undecidable manual P 310 6.993 145 0.23 96
IV.MC2.EHZ. 2018-12-14T03:51:23.96 0.1 undecidable manual P 3 13.1757 128 0.22 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.5 0.0004977776499999999 0.0608 AML other m 2018-12-14T03:51:24.70
IV.NRCA.HNE. ML:1.5 0.0004654762 0.0704 AML other m 2018-12-14T03:51:24.70
IV.NRCA.HNN. ML:1.5 0.00045499449999999997 0.1408 AML other m 2018-12-14T03:51:25.32
IV.NRCA.HHN. ML:1.5 0.00046302355000000004 0.08 AML other m 2018-12-14T03:51:24.70
IV.MTRA.EHE. ML:0.9 0.00006636951 0.1184 AML other m 2018-12-14T03:51:27.97
IV.MTRA.EHN. ML:1.1 0.000101305635 0.1792 AML other m 2018-12-14T03:51:28.46
IV.GAVE.EHN. ML:1.3 0.00011018286500000001 0.1792 AML other m 2018-12-14T03:51:30.79
IV.GAVE.EHE. ML:1.2 0.000084898595 0.1408 AML other m 2018-12-14T03:51:31.28
IV.RM33.EHE. ML:0.8 0.00002750275 0.1184 AML other m 2018-12-14T03:51:32.24
IV.RM33.EHN. ML:0.6 0.000020897819999999996 0.0992 AML other m 2018-12-14T03:51:32.36
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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