Earthquake with magnitude of ML 1.4 on date 11-01-2021 and time 08:05:24 (UTC) in region 3 km SE Norcia (PG)

A magnitude ML 1.4 earthquake occured in region: 3 km SE Norcia (PG), on

  • 11-01-2021 08:05:24 (UTC)
  • 11-01-2021 09:05:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7760, 13.1180 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
Cascia PG 11 3217 8174
Preci PG 13 724 8898
Castelsantangelo sul Nera MC 14 281 9179
Accumoli RI 14 667 9846
Arquata del Tronto AP 15 1178 11024
Poggiodomo PG 17 117 11141
Cerreto di Spoleto PG 17 1075 12216
Visso MC 18 1107 13323
Cittareale RI 18 482 13805
Ussita MC 19 444 14249
Montegallo AP 19 523 14772
Monteleone di Spoleto PG 19 599 15371

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km SE of Foligno (57155 inhabitants)
45 Km NE of Terni (111501 inhabitants)
50 Km W of Teramo (54892 inhabitants)
52 Km NW of L'Aquila (69753 inhabitants)
70 Km SE of Perugia (166134 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
92 Km NE of Guidonia Montecelio (88673 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
94 Km N of Tivoli (56533 inhabitants)
96 Km W of Pescara (121014 inhabitants)
98 Km W of Chieti (51815 inhabitants)
99 Km SW of Ancona (100861 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 1.4 2021-01-11
08:05:24
42.7758 13.1182 11 2021-01-11
08:12:55
Sala Sismica INGV-Roma 86166391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-11 08:05:24 ± 0.08
Latitude 42.7758 ± 0.0036
Longitude 13.1182 ± 0.0074
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 86166391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 578
Semi-minor axis of confidence ellipse (meter) 317
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 261
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 128
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.05756
Epicentral distance of station farthest from the epicenter (degree) 0.32196
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 86166391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-11 08:12:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2021-01-11T08:05:37.14 0.1 undecidable manual S 11 35.742 50 0.14 94
IV.CESI.HHN. 2021-01-11T08:05:35.83 0.3 undecidable manual S 326 30.747 50 0.16 70
IV.SMA1.EHZ. 2021-01-11T08:05:34.40 0.1 undecidable manual S 132 23.9538 50 0.55 87
IV.FDMO.HHZ. 2021-01-11T08:05:34.96 0.1 undecidable manual S 355 29.0487 50 -0.25 93
IV.MTRA.EHE. 2021-01-11T08:05:33.24 0.3 undecidable manual S 95 22.755 50 -0.3 69
IV.MMO1.EHZ. 2021-01-11T08:05:33.48 0.1 undecidable manual S 51 21.7671 50 0.2 95
IV.LNSS.HHZ. 2021-01-11T08:05:32.79 0.3 undecidable manual S 198 20.2686 50 -0.07 73
IV.CSP1.EHZ. 2021-01-11T08:05:31.74 0.6 negative manual P 11 35.742 50 -0.17 46
IV.CESI.HHN. 2021-01-11T08:05:31.37 0.1 undecidable manual P 326 30.747 50 0.23 93
IV.MC2.EHZ. 2021-01-11T08:05:31.97 0.3 undecidable manual S 21 16.0728 124 0.28 70
IV.SMA1.EHZ. 2021-01-11T08:05:30.19 0.3 undecidable manual P 132 23.9538 50 0.1 72
IV.FDMO.HHZ. 2021-01-11T08:05:30.65 0.6 negative manual P 355 29.0487 50 -0.22 46
IV.MMO1.EHZ. 2021-01-11T08:05:29.54 0.3 undecidable manual P 51 21.7671 50 -0.22 71
IV.NRCA.HHZ. 2021-01-11T08:05:29.23 0.1 undecidable manual S 357 6.3936 149 -0.1 99
IV.MTRA.EHE. 2021-01-11T08:05:29.45 0.1 undecidable manual P 95 22.755 50 -0.46 89
IV.LNSS.HHZ. 2021-01-11T08:05:29.48 0.1 undecidable manual P 198 20.2686 50 -0.04 98
IV.T1299.HNE. 2021-01-11T08:05:29.51 0.1 undecidable manual P 140 20.6682 50 -0.07 97
IV.MC2.EHZ. 2021-01-11T08:05:28.85 0.6 positive manual P 21 16.0728 124 0 50
IV.NRCA.HHZ. 2021-01-11T08:05:27.54 0.1 positive manual P 357 6.3936 149 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.7 0.000711 0.08 AML other m 2021-01-11T08:05:29.26
IV.NRCA.HNN. ML:1.6 0.0006180000000000001 0.08 AML other m 2021-01-11T08:05:29.26
IV.NRCA.HNE. ML:1.5 0.0005124999999999999 1.24 AML other m 2021-01-11T08:05:29.93
IV.NRCA.HHE. ML:1.5 0.00047599999999999997 0.1 AML other m 2021-01-11T08:05:29.93
IV.LNSS.HHN. ML:1.1 0.0000963 0.58 AML other m 2021-01-11T08:05:32.43
IV.LNSS.HHE. ML:1.2 0.00010645 0.36 AML other m 2021-01-11T08:05:33.53
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