Earthquake with magnitude of ML 1.0 on date 01-01-2020 and time 08:47:46 (Italy) in region 5 km SW Norcia (PG)

A magnitude ML 1.0 earthquake occured in region: 5 km SW Norcia (PG), on

  • 01-01-2020 07:47:46 (UTC)
  • 01-01-2020 08:47:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7580, 13.0650 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 5 4957 4957
Cascia PG 6 3217 8174
Poggiodomo PG 12 117 8291
Preci PG 14 724 9015
Cerreto di Spoleto PG 14 1075 10090
Monteleone di Spoleto PG 15 599 10689
Accumoli RI 17 667 11356
Vallo di Nera PG 17 364 11720
Castelsantangelo sul Nera MC 17 281 12001
Cittareale RI 17 482 12483
Sellano PG 19 1079 13562
Sant'Anatolia di Narco PG 19 564 14126
Arquata del Tronto AP 19 1178 15304
Visso MC 19 1107 16411
Scheggino PG 20 461 16872

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km SE of Foligno (57155 inhabitants)
41 Km NE of Terni (111501 inhabitants)
53 Km NW of L'Aquila (69753 inhabitants)
53 Km W of Teramo (54892 inhabitants)
67 Km SE of Perugia (166134 inhabitants)
87 Km E of Viterbo (67173 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km N of Tivoli (56533 inhabitants)
93 Km W of Montesilvano (53738 inhabitants)
100 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
Reviewed
Rev100
ML 1.0 2020-01-01
07:47:46
42.7578 13.0652 11 2020-01-01
08:03:54
Sala Sismica INGV-Roma 75161281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-01 07:47:46 ± 0.07
Latitude 42.7578 ± 0.0045
Longitude 13.0652 ± 0.0061
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 75161281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 690
Semi-minor axis of confidence ellipse (meter) 174
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 138
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 188
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27879
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 75161281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-01 08:03:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRJA.HHZ. 2020-01-01T07:49:34.87 3.0 undecidable manual Sn -4.62 0
IV.TDS.HHZ. 2020-01-01T07:49:21.30 3.0 undecidable manual Sn 3.58 0
IV.MSSA.HHZ. 2020-01-01T07:49:11.91 3.0 undecidable manual Sn -0.97 0
IV.HAGA.HHZ. 2020-01-01T07:49:06.52 3.0 negative manual Pg 10.12 0
IV.ZONE.HHZ. 2020-01-01T07:48:50.49 3.0 undecidable manual Pg 8.69 0
IV.FIR.HHZ. 2020-01-01T07:48:44.03 3.0 undecidable manual Sg 2.84 0
IV.CADC.HNZ. 2020-01-01T07:48:37.42 3.0 negative manual Pn -0.81 0
IV.IST3.HHZ. 2020-01-01T07:48:34.54 3.0 negative manual Pn -2.68 0
IV.MSSA.HHZ. 2020-01-01T07:48:33.88 3.0 undecidable manual Pn 2.81 0
IV.LPEL.HHZ. 2020-01-01T07:48:08.01 3.0 undecidable manual S -0.13 0
IT.VNF1.HGZ. 2020-01-01T07:47:58.58 3.0 negative manual P -0.18 0
IV.FDMO.HHZ. 2020-01-01T07:47:57.77 0.3 undecidable manual S 3 30.9468 50 0.01 72
IV.MMO1.EHZ. 2020-01-01T07:47:56.54 0.3 undecidable manual S 54 26.4513 50 -0.01 73
IV.MC2.EHZ. 2020-01-01T07:47:54.88 0.3 undecidable manual S 31 19.7691 118 0.18 72
IV.GAVE.EHZ. 2020-01-01T07:47:53.51 0.1 undecidable manual S 242 15.6732 124 0.02 99
IV.LNSS.HHZ. 2020-01-01T07:47:53.82 0.1 undecidable manual S 100
IV.FDMO.HHZ. 2020-01-01T07:47:52.98 1.0 negative manual P 3 30.9468 50 -0.19 23
IV.MMO1.EHZ. 2020-01-01T07:47:52.48 1.0 undecidable manual P 54 26.4513 50 0 24
IV.GIUL.HHZ. 2020-01-01T07:47:52.93 3.0 undecidable manual P 0.41 0
IV.MC2.EHZ. 2020-01-01T07:47:51.41 0.6 positive manual P 31 19.7691 118 0 49
IV.NRCA.HHZ. 2020-01-01T07:47:51.62 0.3 undecidable manual S 25 9.2796 139 -0.19 73
IV.GAVE.EHZ. 2020-01-01T07:47:50.72 1.0 negative manual P 242 15.6732 124 0.01 25
IV.NRCA.HHZ. 2020-01-01T07:47:49.77 0.1 positive manual P 25 9.2796 139 0.03 100
IV.T1299.EHZ. 2020-01-01T07:47:45.87 3.0 undecidable manual S 0
IV.T1299.EHZ. 2020-01-01T07:47:41.44 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.0 0.000141 0.14 AML other m 2020-01-01T07:47:51.66
IV.NRCA.HHE. ML:0.9 0.00009460000000000001 0.2 AML other m 2020-01-01T07:47:51.71
IV.GAVE.EHN. ML:0.9 0.00006654999999999999 0.22 AML other m 2020-01-01T07:47:53.57
IV.LNSS.HHN. ML:1.1 0.00009815 0.36 AML other m 2020-01-01T07:47:54.23
IV.LNSS.HHE. ML:1.1 0.00011740000000000001 0.56 AML other m 2020-01-01T07:47:54.99
IV.GAVE.EHE. ML:0.9 0.00006425 1.42 AML other m 2020-01-01T07:47:54.09
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