Earthquake with magnitude of ML 1.4 on date 29-12-2019 and time 18:56:28 (UTC) in region 4 km E Norcia (PG)

A magnitude ML 1.4 earthquake occured in region: 4 km E Norcia (PG), on

  • 29-12-2019 18:56:28 (UTC)
  • 29-12-2019 19:56:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8, 13.14 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.

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 10 281 5238
Preci PG 11 724 5962
Arquata del Tronto AP 14 1178 7140
Cascia PG 14 3217 10357
Visso MC 15 1107 11464
Accumoli RI 15 667 12131
Ussita MC 16 444 12575
Montegallo AP 17 523 13098
Cerreto di Spoleto PG 18 1075 14173
Montemonaco AP 19 604 14777
Poggiodomo PG 19 117 14894
Sellano PG 19 1079 15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
49 Km W of Teramo (54892 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
69 Km E of Perugia (166134 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
96 Km W of Pescara (121014 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
Rev 1000 ML 1.4 2019-12-29
18:56:28
42.8 13.14 11 2020-02-28
16:42:21
Bollettino Sismico Italiano INGV 76029661
Rev 100 ML 1.5 2019-12-29
18:56:28
42.8 13.12 10 2019-12-29
20:28:09
Sala Sismica INGV-Roma 75094821
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-29 18:56:28 ± 0.06
Latitude 42.80 ± 0.00
Longitude 13.14 ± 0.01
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76029661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 463
Semi-minor axis of confidence ellipse (meter) 299
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 96
Circular confidence region, given by single value of horizontal uncertainty (meter) 460
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.03238
Epicentral distance of station farthest from the epicenter (degree) 0.44786
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 76029661
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-30 10:20:34

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 75094821
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-29 20:28:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2019-12-29T18:56:39.28 0.3 undecidable manual S 10 0.2914 50 0.05 71
IV.RM33.EHZ. 2019-12-29T18:56:39.60 0.3 undecidable manual S 169 0.3013 50 0.07 71
IV.CESI.HHZ. 2019-12-29T18:56:38.11 0.6 undecidable manual S 320 0.2617 50 -0.24 46
IV.LNSS.HHZ. 2019-12-29T18:56:37.01 0.3 undecidable manual S 199 0.214 50 0.08 72
IV.CESX.HHE. 2019-12-29T18:56:37.38 0.1 undecidable manual P 244 0.4479 50 0.21 89
IV.FDMO.HHZ. 2019-12-29T18:56:37.23 0.3 undecidable manual S 351 0.2338 50 -0.31 68
IV.GAVE.EHZ. 2019-12-29T18:56:36.64 0.3 undecidable manual S 238 0.2095 50 -0.17 71
IV.ASSB.HHN. 2019-12-29T18:56:36.71 1.0 undecidable manual P 304 0.4218 50 -0.02 23
IV.MMO1.EHZ. 2019-12-29T18:56:35.24 0.3 undecidable manual S 56 0.1691 119 -0.25 70
IV.GUMA.HHZ. 2019-12-29T18:56:34.81 0.3 undecidable manual P 30 0.2959 50 0.23 69
IV.CSP1.EHZ. 2019-12-29T18:56:34.30 0.3 undecidable manual P 10 0.2914 50 -0.2 69
IV.MC2.EHZ. 2019-12-29T18:56:34.12 0.3 undecidable manual S 20 0.1133 130 0.4 69
IV.MF5.EHZ. 2019-12-29T18:56:34.91 0.3 undecidable manual P 52 0.2995 50 0.26 68
IV.RM33.EHZ. 2019-12-29T18:56:34.48 0.1 undecidable manual P 169 0.3013 50 -0.19 92
IV.FDMO.HHZ. 2019-12-29T18:56:33.38 0.1 undecidable manual P 351 0.2338 50 -0.13 94
IV.CESI.HHZ. 2019-12-29T18:56:33.97 0.3 undecidable manual P 320 0.2617 50 -0.02 72
IV.SMA1.EHZ. 2019-12-29T18:56:33.91 0.6 undecidable manual P 140 0.2284 50 0.49 44
IV.LNSS.HHZ. 2019-12-29T18:56:33.08 0.1 undecidable manual P 199 0.214 50 -0.09 96
IT.MTCL.HGZ. 2019-12-29T18:56:33.52 0.1 undecidable manual P 332 0.2131 50 0.36 90
IV.GAVE.EHZ. 2019-12-29T18:56:33.18 0.3 undecidable manual P 238 0.2095 50 0.08 72
IV.MMO1.EHZ. 2019-12-29T18:56:32.23 0.1 undecidable manual P 56 0.1691 119 -0.11 96
IV.MTRA.HNZ. 2019-12-29T18:56:32.62 0.1 undecidable manual P 104 0.1979 50 -0.28 92
IV.MC2.EHZ. 2019-12-29T18:56:31.48 0.1 undecidable manual P 20 0.1133 130 0.16 96
IV.NRCA.HHZ. 2019-12-29T18:56:31.57 0.3 undecidable manual S 332 0.0324 161 -0.31 71
IV.NRCA.HHZ. 2019-12-29T18:56:30.29 0.1 undecidable manual P 332 0.0324 161 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.6 0.00078261575 0.1408 AML other m 2019-12-29T18:56:31.61
IV.NRCA.HNN. ML:1.6 0.0007587767 1.8464 AML other m 2019-12-29T18:56:32.07
IV.NRCA.HHE. ML:1.7 0.00085807905 0.1024 AML other m 2019-12-29T18:56:32.36
IV.NRCA.HNE. ML:1.7 0.00080155415 0.0896 AML other m 2019-12-29T18:56:32.36
IV.GUMA.HNE. ML:1.7 0.00021254246 0.2176 AML other m 2019-12-29T18:56:34.44
IV.RM33.EHN. ML:0.9 3.417733E-5 1.4208 AML other m 2019-12-29T18:56:34.04
IV.GUMA.HHE. ML:1.4 0.00011931627 0.9888 AML other m 2019-12-29T18:56:34.75
IV.GUMA.HNN. ML:2.6 0.001674838 0.5632 AML other m 2019-12-29T18:56:36.99
IV.GAVE.EHN. ML:1.4 0.00017459815 0.2688 AML other m 2019-12-29T18:56:37.20
IV.LNSS.HNN. ML:1.4 0.00015187465 0.3712 AML other m 2019-12-29T18:56:37.47
IV.LNSS.HHE. ML:1.3 0.000136625555 0.1024 AML other m 2019-12-29T18:56:37.42
IV.LNSS.HHN. ML:1.3 0.0001268358 0.128 AML other m 2019-12-29T18:56:37.53
IV.FDMO.HHN. ML:0.9 4.4415935E-5 0.1152 AML other m 2019-12-29T18:56:37.61
IV.GAVE.HNE. ML:1.5 0.00021598345 0.2688 AML other m 2019-12-29T18:56:37.87
IV.GAVE.EHE. ML:1.5 0.0001842662 0.2304 AML other m 2019-12-29T18:56:37.87
IV.LNSS.HNE. ML:1.6 0.0002370561 0.8064 AML other m 2019-12-29T18:56:37.83
IV.FDMO.HHE. ML:0.8 3.750687E-5 0.1664 AML other m 2019-12-29T18:56:38.16
IV.MF5.EHE. ML:1.6 0.00018789015 0.2336 AML other m 2019-12-29T18:56:38.72
IV.CESI.HHN. ML:1.4 0.00010916686 0.0768 AML other m 2019-12-29T18:56:38.75
IV.CESI.HHE. ML:1.2 7.2724025E-5 0.0768 AML other m 2019-12-29T18:56:38.78
IV.GAVE.HNN. ML:1.5 0.0001965274 0.8064 AML other m 2019-12-29T18:56:40.17
IV.RM33.HNE. ML:1.5 0.00012422228 0.4608 AML other m 2019-12-29T18:56:41.50
IV.CESI.HNN. ML:1.5 0.0001637791 1.0784 AML other m 2019-12-29T18:56:41.43
IV.RM33.HNN. ML:1.6 0.0001492557 0.9088 AML other m 2019-12-29T18:56:43.24
IV.CESI.HNE. ML:1.4 0.00012532175 1.3728 AML other m 2019-12-29T18:56:43.88
IV.GUMA.HHN. ML:1.6 0.00019363315 1.344 AML other m 2019-12-29T18:56:49.77
IV.RM33.EHE. ML:1.1 5.566013E-5 0.6176 AML other m 2019-12-29T18:56:51.49
IV.MF5.EHN. ML:1.6 0.0001717461 0.0352 AML other m 2019-12-29T18:56:51.28
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download