Earthquake with magnitude of ML 1.1 on date 06-03-2020 and time 17:04:08 (Italy) in region 4 km NE Norcia (PG)

A magnitude ML 1.1 earthquake occured in region: 4 km NE Norcia (PG), on

  • 06-03-2020 16:04:08 (UTC)
  • 06-03-2020 17:04:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8230, 13.1150 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 4 4957 4957
Castelsantangelo sul Nera MC 9 281 5238
Preci PG 9 724 5962
Visso MC 12 1107 7069
Ussita MC 14 444 7513
Cascia PG 14 3217 10730
Arquata del Tronto AP 16 1178 11908
Cerreto di Spoleto PG 16 1075 12983
Sellano PG 17 1079 14062
Accumoli RI 18 667 14729
Montegallo AP 18 523 15252
Poggiodomo PG 19 117 15369
Montemonaco AP 19 604 15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
52 Km W of Teramo (54892 inhabitants)
57 Km NW of L'Aquila (69753 inhabitants)
67 Km E of Perugia (166134 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
94 Km SW of Ancona (100861 inhabitants)
97 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km W of Pescara (121014 inhabitants)
99 Km N of Tivoli (56533 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 1.1 2020-03-06
16:04:08
42.8233 13.1147 11 2020-03-06
16:11:41
Sala Sismica INGV-Roma 77077981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-06 16:04:08 ± 0.05
Latitude 42.8233 ± 0.0027
Longitude 13.1147 ± 0.0037
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 77077981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 350
Semi-minor axis of confidence ellipse (meter) 189
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 44
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) 180
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
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) 0.00989
Epicentral distance of station farthest from the epicenter (degree) 0.27609
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 77077981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-06 16:11:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2020-03-06T16:04:19.12 0.3 undecidable manual S 14 30.6471 50 0.15 71
IV.SMA1.EHZ. 2020-03-06T16:04:18.20 0.6 undecidable manual S 140 27.9498 50 -0.05 49
IV.FDMO.HHZ. 2020-03-06T16:04:17.01 0.3 undecidable manual S 355 23.754 50 -0.11 73
IV.MTRA.EHZ. 2020-03-06T16:04:17.30 0.3 undecidable manual S 108 24.0537 50 0.08 73
IV.CESI.HHZ. 2020-03-06T16:04:17.73 0.3 undecidable manual S 320 26.3514 50 -0.1 72
IV.MMO1.EHZ. 2020-03-06T16:04:15.69 0.3 undecidable manual S 64 19.1697 119 -0.11 73
IV.CSP1.EHZ. 2020-03-06T16:04:14.52 1.0 negative manual P 14 30.6471 50 0.1 24
IV.CESI.HHZ. 2020-03-06T16:04:13.81 0.1 negative manual P 320 26.3514 50 0.04 98
IV.SMA1.EHZ. 2020-03-06T16:04:13.98 1.0 undecidable manual P 140 27.9498 50 -0.02 24
IV.FDMO.HHZ. 2020-03-06T16:04:13.36 0.1 positive manual P 355 23.754 50 0 99
IV.MTRA.EHZ. 2020-03-06T16:04:13.31 0.1 undecidable manual P 108 24.0537 50 -0.1 97
IV.MMO1.EHZ. 2020-03-06T16:04:12.66 0.3 positive manual P 64 19.1697 119 0.07 74
IV.NRCA.HHZ. 2020-03-06T16:04:11.73 0.6 undecidable manual S 358 1.0989 174 -0.15 50
IV.NRCA.HHZ. 2020-03-06T16:04:10.47 0.1 undecidable manual P 358 1.0989 174 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.3 0.0003594583 0.1024 AML other m 2020-03-06T16:04:11.83
IV.NRCA.HHN. ML:1.1 0.00022016374999999998 0.1152 AML other m 2020-03-06T16:04:12.59
IV.NRCA.HNE. ML:1.3 0.00033015305 0.1024 AML other m 2020-03-06T16:04:11.83
IV.NRCA.HNN. ML:1.1 0.000216363745 0.128 AML other m 2020-03-06T16:04:12.65
IV.MTRA.EHE. ML:1.0 0.000053874979999999994 0.4096 AML other m 2020-03-06T16:04:16.83
IV.MTRA.EHN. ML:0.9 0.0000445036 0.4096 AML other m 2020-03-06T16:04:22.18
IV.MTRA.HNE. ML:1.2 0.00010364669 0.5376 AML other m 2020-03-06T16:04:24.56
IV.MTRA.HNN. ML:1.3 0.00010954420000000001 0.6528 AML other m 2020-03-06T16:04:16.63
IV.FDMO.HHE. ML:0.9 0.000042649805 1.024 AML other m 2020-03-06T16:04:14.89
IV.FDMO.HHN. ML:0.8 0.000036046019999999995 0.1536 AML other m 2020-03-06T16:04:17.48
IV.CESI.HNE. ML:1.5 0.00017032145000000002 0.576 AML other m 2020-03-06T16:04:21.25
IV.CESI.HNN. ML:1.5 0.00018389444999999998 0.9856 AML other m 2020-03-06T16:04:25.16
IV.CESI.HHE. ML:0.9 0.000037774379999999994 1.344 AML other m 2020-03-06T16:04:13.09
IV.CESI.HHN. ML:0.9 0.000037562335 0.96 AML other m 2020-03-06T16:04:26.84
IV.SMA1.EHE. ML:1.3 0.00010972345 2.0608 AML other m 2020-03-06T16:04:27.53
IV.SMA1.EHN. ML:0.9 0.000047144285 0.8448 AML other m 2020-03-06T16:04:27.43
IV.CSP1.EHE. ML:1.5 0.00013573425 2.2784 AML other m 2020-03-06T16:04:25.96
IV.CSP1.EHN. ML:0.9 0.000039580424 1.4208 AML other m 2020-03-06T16:04:18.44
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