Earthquake with magnitude of ML 1.0 on date 06-12-2019 and time 06:25:17 (Italy) in region 3 km NE Norcia (PG)

A magnitude ML 1.0 earthquake occured in region: 3 km NE Norcia (PG), on

  • 06-12-2019 05:25:17 (UTC)
  • 06-12-2019 06:25:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.81, 13.11 at 11 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 3 4957 4957
Preci PG 9 724 5681
Castelsantangelo sul Nera MC 10 281 5962
Cascia PG 13 3217 9179
Visso MC 13 1107 10286
Ussita MC 15 444 10730
Arquata del Tronto AP 16 1178 11908
Cerreto di Spoleto PG 16 1075 12983
Accumoli RI 17 667 13650
Sellano PG 17 1079 14729
Poggiodomo PG 18 117 14846
Montegallo AP 19 523 15369

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
67 Km E of Perugia (166134 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
95 Km SW of Ancona (100861 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km N of Tivoli (56533 inhabitants)
98 Km W of Pescara (121014 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 100 ML 1.0 2019-12-06
05:25:17
42.81 13.11 11 2019-12-06
16:13:44
Sala Sismica INGV-Roma 74381991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-06 05:25:17 ± 0.13
Latitude 42.81 ± 0.01
Longitude 13.11 ± 0.01
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 74381991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 961
Semi-minor axis of confidence ellipse (meter) 596
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) 960
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 211
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 11
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
Epicentral distance of station farthest from the epicenter (degree) 0.24551
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1

Field Value
Value 1
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 74381991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-06 16:13:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
SI.KOSI.HHZ. 2019-12-06T05:27:06.08 3.0 undecidable manual Sn 2.6 0
IV.MTGR.HHZ. 2019-12-06T05:27:05.70 3.0 undecidable manual Sn -2.91 0
IV.ECTS.EHZ. 2019-12-06T05:26:39.72 3.0 undecidable manual Pg 19.24 0
GU.BLANC.HHZ. 2019-12-06T05:26:36.01 3.0 undecidable manual Pn 3.5 0
IV.MILZ.HHZ. 2019-12-06T05:26:30.26 3.0 negative manual Pg 14.39 0
IV.MTGR.HHZ. 2019-12-06T05:26:29.23 3.0 undecidable manual Pg 12.47 0
SI.KOSI.HHZ. 2019-12-06T05:26:26.01 3.0 negative manual Pg 12.13 0
MN.TRI.HHZ. 2019-12-06T05:26:11.55 3.0 positive manual Pg 9.95 0
IV.FIR.HHZ. 2019-12-06T05:26:05.74 3.0 undecidable manual Sn -0.76 0
IV.SMA1.EHE. 2019-12-06T05:25:27.26 0.6 undecidable manual S 138 0.2455 50 -0.36 45
IV.FDMO.HHZ. 2019-12-06T05:25:26.85 0.3 undecidable manual S 356 0.2239 50 -0.14 71
IV.MMO1.EHZ. 2019-12-06T05:25:25.51 0.3 undecidable manual S 61 0.1799 118 -0.11 72
IV.VIVA.HHZ. 2019-12-06T05:25:24.38 3.0 negative manual P 0.64 0
IV.T1299.HNZ. 2019-12-06T05:25:23.08 0.3 undecidable manual P 145 0.2185 50 0.09 71
IV.FDMO.HHZ. 2019-12-06T05:25:23.06 0.3 undecidable manual P 356 0.2239 50 -0.03 72
IV.MC2.EHZ. 2019-12-06T05:25:23.77 0.3 undecidable manual S 30 0.1142 130 0.28 70
IV.SMA1.EHE. 2019-12-06T05:25:23.80 0.3 undecidable manual P 138 0.2455 50 0.34 67
IV.MMO1.EHZ. 2019-12-06T05:25:22.16 0.1 undecidable manual P 61 0.1799 118 -0.14 95
IV.MC2.EHZ. 2019-12-06T05:25:21.32 0.3 undecidable manual P 30 0.1142 130 0.25 71
IV.NRCA.HHZ. 2019-12-06T05:25:21.22 0.3 undecidable manual S 6 0.0207 168 -0.3 71
IV.NRCA.HHZ. 2019-12-06T05:25:19.97 0.1 undecidable manual P 6 0.0207 168 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.1 0.00024199145 0.16 AML other m 2019-12-06T05:25:21.38
IV.NRCA.HHN. ML:1.1 0.0002037175 0.1024 AML other m 2019-12-06T05:25:21.30
IV.NRCA.HNE. ML:1.2 0.00025412975 0.1696 AML other m 2019-12-06T05:25:21.30
IV.NRCA.HNN. ML:1 0.00019636685 0.1312 AML other m 2019-12-06T05:25:21.36
IV.FDMO.HHE. ML:0.4 1.5573045E-5 0.1408 AML other m 2019-12-06T05:25:27.30
IV.FDMO.HHN. ML:0.2 1.1848015E-5 0.2016 AML other m 2019-12-06T05:25:27.31
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