Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 06-12-2019 and time 06:33:10 (Italy) in region 3 km S Norcia (PG)

A magnitude ML 0.6 earthquake occured in region: 3 km S Norcia (PG), on

  • 06-12-2019 05:33:10 (UTC)
  • 06-12-2019 06:33:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7630, 13.0840 at 11 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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
Cascia PG 8 3217 8174
Poggiodomo PG 13 117 8291
Preci PG 14 724 9015
Cerreto di Spoleto PG 15 1075 10090
Accumoli RI 15 667 10757
Castelsantangelo sul Nera MC 16 281 11038
Monteleone di Spoleto PG 16 599 11637
Cittareale RI 17 482 12119
Arquata del Tronto AP 17 1178 13297
Vallo di Nera PG 18 364 13661
Visso MC 19 1107 14768
Sellano PG 19 1079 15847

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km SE of Foligno (57155 inhabitants)
42 Km NE of Terni (111501 inhabitants)
52 Km W of Teramo (54892 inhabitants)
52 Km NW of L'Aquila (69753 inhabitants)
68 Km SE of Perugia (166134 inhabitants)
89 Km E of Viterbo (67173 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
92 Km N of Tivoli (56533 inhabitants)
98 Km W of Pescara (121014 inhabitants)
100 Km W 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 0.6 2019-12-06
05:33:10		 42.7628 13.0845 11 2020-02-28
16:42:21		 Bollettino Sismico Italiano INGV 75913601
Reviewed
Rev100 		ML 0.6 2019-12-06
05:33:09		 42.7527 13.1043 14 2019-12-06
16:18:13		 Sala Sismica INGV-Roma 74382081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-06 05:33:10 ± 0.1
Latitude 42.7628 ± 0.0054
Longitude 13.0845 ± 0.0086
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 75913601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 757
Semi-minor axis of confidence ellipse (meter) 445
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 311
Circular confidence region, given by single value of horizontal uncertainty (meter) 760.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27070
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 75913601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-27 15:19:42

ML:0.6

Field Value
Value 0.6
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 74382081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-06 16:18:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LTRZ.EHZ. 2019-12-06T05:34:48.46 3.0 undecidable manual Sg 23.15 0
IV.ERC.EHZ. 2019-12-06T05:34:47.46 3.0 undecidable manual Sn -6.5 0
IV.CMPR.HHZ. 2019-12-06T05:34:16.19 3.0 undecidable manual Sn 6.21 0
GU.BHB.HHZ. 2019-12-06T05:34:12.62 3.0 undecidable manual Pn -1.82 0
IV.EUCT.HNZ. 2019-12-06T05:34:05.06 3.0 undecidable manual Pg 2.77 0
SI.KOSI.HHZ. 2019-12-06T05:33:54.65 3.0 undecidable manual Pn -9.99 0
IV.NDIM.HHZ. 2019-12-06T05:33:48.59 3.0 negative manual Pg 0.9 0
IV.PZUN.HHZ. 2019-12-06T05:33:45.80 3.0 positive manual Pg 6.05 0
IV.SAMA.EHZ. 2019-12-06T05:33:31.32 3.0 undecidable manual Sn 0.29 0
IV.CPGN.EHZ. 2019-12-06T05:33:26.82 3.0 undecidable manual Pg -1.41 0
IV.APEC.HHZ. 2019-12-06T05:33:25.58 3.0 negative manual Pg 0.53 0
IV.PTRJ.HNZ. 2019-12-06T05:33:24.37 3.0 undecidable manual Pn 0.23 0
IV.SACS.HHZ. 2019-12-06T05:33:21.99 3.0 undecidable manual Pg -0.24 0
IV.RM33.EHZ. 2019-12-06T05:33:20.43 0.6 undecidable manual S 159 30.0477 50 -0.22 47
IV.SMA1.EHN. 2019-12-06T05:33:19.70 0.3 undecidable manual S 126 25.1526 50 0.36 69
IV.MMO1.EHZ. 2019-12-06T05:33:18.99 0.3 undecidable manual S 52 24.8529 50 -0.26 70
IV.LNSS.HHZ. 2019-12-06T05:33:17.21 0.3 undecidable manual S 191 18.0708 50 -0.24 71
IV.GAVE.EHZ. 2019-12-06T05:33:17.48 0.3 undecidable manual S 243 17.3715 50 0.22 72
IV.MC2.EHZ. 2019-12-06T05:33:17.74 0.3 undecidable manual S 27 18.5703 50 0.17 72
IV.SMA1.EHN. 2019-12-06T05:33:16.07 0.3 undecidable manual P 126 25.1526 50 0.62 64
IV.MMO1.EHZ. 2019-12-06T05:33:15.11 0.3 undecidable manual P 52 24.8529 50 -0.29 70
IV.RM33.EHZ. 2019-12-06T05:33:15.92 0.3 undecidable manual P 159 30.0477 50 -0.29 69
IV.RMP.HHZ. 2019-12-06T05:33:15.05 3.0 undecidable manual P -1.89 0
IV.GAVE.EHZ. 2019-12-06T05:33:14.30 0.1 undecidable manual P 243 17.3715 50 0.05 99
IV.MC2.EHZ. 2019-12-06T05:33:14.40 0.3 undecidable manual P 27 18.5703 50 -0.03 75
IV.NRCA.HHZ. 2019-12-06T05:33:14.85 0.3 undecidable manual S 17 8.1807 143 -0.06 75
IV.LNSS.HHZ. 2019-12-06T05:33:14.24 0.1 undecidable manual P 191 18.0708 50 -0.12 98
IV.NRCA.HHZ. 2019-12-06T05:33:12.98 0.1 undecidable manual P 17 8.1807 143 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:0.5 0.00002515411 0.1376 AML other m 2019-12-06T05:33:17.81
IV.LNSS.HHN. ML:0.6 0.000029192785 1.8016 AML other m 2019-12-06T05:33:17.93
IV.GAVE.EHN. ML:0.6 0.000032194680000000004 1.7824 AML other m 2019-12-06T05:33:18.90
IV.LNSS.HHE. ML:0.7 0.00003866502 0.0992 AML other m 2019-12-06T05:33:18.37
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