Earthquake with magnitude of ML 1.0 on date 06-01-2023 and time 05:11:42 (Italy) in region 7 km E Norcia (PG)

A magnitude ML 1.0 earthquake occured in region: 7 km E Norcia (PG), on

  • 06-01-2023 04:11:42 (UTC)
  • 06-01-2023 05:11:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8170, 13.1790 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.

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 8 4957 4957
Castelsantangelo sul Nera MC 9 281 5238
Arquata del Tronto AP 11 1178 6416
Montegallo AP 13 523 6939
Preci PG 13 724 7663
Ussita MC 15 444 8107
Visso MC 15 1107 9214
Accumoli RI 15 667 9881
Montemonaco AP 15 604 10485
Cascia PG 17 3217 13702
Montefortino FM 19 1178 14880
Acquasanta Terme AP 20 2916 17796

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km E of Foligno (57155 inhabitants)
46 Km W of Teramo (54892 inhabitants)
52 Km NE of Terni (111501 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
72 Km E of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
93 Km SW of Ancona (100861 inhabitants)
93 Km W of Pescara (121014 inhabitants)
96 Km NW of Chieti (51815 inhabitants)
98 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km E of Viterbo (67173 inhabitants)
100 Km NE 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
Bulletin
Rev1000
ML 1.0 2023-01-06
04:11:42
42.8173 13.1792 11 2024-03-01
17:18:03
Bollettino Sismico Italiano INGV 116317511
Reviewed
Rev100
ML 1.0 2023-01-06
04:11:42
42.8178 13.1843 11 2023-01-06
04:19:13
Sala Sismica INGV-Roma 113338621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-06 04:11:42 ± 0.05
Latitude 42.8173 ± 0.0027
Longitude 13.1792 ± 0.0049
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 116317511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 356
Semi-minor axis of confidence ellipse (meter) 88
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 258
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 69
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.05036
Epicentral distance of station farthest from the epicenter (degree) 0.44247
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 113338621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-06 04:19:13

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 116317511
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-12 16:06:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2023-01-06T04:11:56.19 0.6 undecidable manual S 122 40.8258 90 0.05 46
IV.GUMA.HHZ. 2023-01-06T04:11:53.68 0.6 undecidable manual S 25 30.0477 91 0.42 44
IV.CESI.HHZ. 2023-01-06T04:11:53.43 0.6 undecidable manual S 313 30.5472 90 0.04 48
IV.CSP1.EHZ. 2023-01-06T04:11:53.26 0.6 undecidable manual S 4 30.5472 90 -0.13 47
IV.LNSS.HHZ. 2023-01-06T04:11:52.77 0.6 undecidable manual S 205 26.3514 91 0.49 44
IV.FDMO.HHE. 2023-01-06T04:11:51.79 0.6 undecidable manual S 343 25.4523 91 -0.24 46
IV.MNTT.EHE. 2023-01-06T04:11:51.06 1.0 undecidable manual P 51 43.3233 90 0.17 23
IV.ASSB.HHN. 2023-01-06T04:11:51.42 1.0 undecidable manual P 301 49.1175 90 -0.35 22
IV.SMA1.EHZ. 2023-01-06T04:11:51.56 1.0 undecidable manual S 148 24.3534 91 -0.18 24
IV.TERO.HHZ. 2023-01-06T04:11:50.39 0.3 undecidable manual P 122 40.8258 90 -0.1 70
IV.CAMP.HHE. 2023-01-06T04:11:49.55 0.1 undecidable manual P 149 36.4413 90 -0.27 91
IV.GUMA.HHZ. 2023-01-06T04:11:49.02 0.6 undecidable manual P 25 30.0477 91 0.19 47
IV.MML1.HNE. 2023-01-06T04:11:49.75 0.6 undecidable manual P 333 36.9297 90 -0.15 46
IV.MMO1.EHZ. 2023-01-06T04:11:49.03 0.6 undecidable manual S 53 15.0738 95 -0.24 48
IV.MF5.EHN. 2023-01-06T04:11:49.17 0.6 undecidable manual P 50 29.6481 91 0.4 44
IV.CESI.HHZ. 2023-01-06T04:11:48.92 0.6 undecidable manual P 313 30.5472 90 0.01 48
IV.MC2.EHN. 2023-01-06T04:11:48.37 0.6 undecidable manual S 4 10.4784 118 0.28 48
IV.CSP1.EHZ. 2023-01-06T04:11:48.99 0.6 undecidable manual P 4 30.5472 90 0.08 48
7F.SIB1.EHN. 2023-01-06T04:11:48.36 0.6 undecidable manual S 41 11.2776 114 0.06 49
IV.LNSS.HHZ. 2023-01-06T04:11:48.36 0.3 undecidable manual P 205 26.3514 91 0.09 72
IV.SMA1.EHZ. 2023-01-06T04:11:47.92 1.0 undecidable manual P 148 24.3534 91 -0.04 24
IV.GAVE.EHN. 2023-01-06T04:11:47.92 0.6 undecidable manual P 239 27.0507 91 -0.45 44
IV.FDMO.HHE. 2023-01-06T04:11:47.98 0.6 undecidable manual P 343 25.4523 91 -0.14 47
IV.NRCA.HHZ. 2023-01-06T04:11:47.32 0.6 undecidable manual S 289 5.5944 145 0.2 49
IV.FEMA.HNE. 2023-01-06T04:11:47.13 1.0 undecidable manual P 327 19.1697 91 -0.04 24
IT.MTCL.HGZ. 2023-01-06T04:11:47.87 0.3 undecidable manual P 323 24.4533 91 -0.1 71
7F.SIB3.EHZ. 2023-01-06T04:11:47.64 0.6 undecidable manual S 49 9.7791 122 -0.3 47
IV.MMO1.EHZ. 2023-01-06T04:11:46.50 0.3 negative manual P 53 15.0738 95 -0.03 74
7F.SIB1.EHN. 2023-01-06T04:11:46.04 0.3 undecidable manual P 41 11.2776 114 0.07 74
IV.NRCA.HHZ. 2023-01-06T04:11:45.52 1.0 undecidable manual P 289 5.5944 145 0.23 24
7F.SIB3.EHZ. 2023-01-06T04:11:45.75 0.1 undecidable manual P 49 9.7791 122 -0.01 100
IV.MC2.EHN. 2023-01-06T04:11:45.94 0.3 undecidable manual P 4 10.4784 118 0.09 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.1 0.000175 0.14 AML other m 2023-01-06T04:11:47.77
IV.NRCA.HHN. ML:1.3 0.0003025 1.88 AML other m 2023-01-06T04:11:48.05
IV.MTCE.HHE. ML:1.8 0.0000612 0.24 AML other m 2023-01-06T04:11:48.77
IV.MTCE.HHN. ML:1.7 0.0000518 0.74 AML other m 2023-01-06T04:11:49.07
IV.MMO1.EHN. ML:0.8 0.00006154999999999999 0.26 AML other m 2023-01-06T04:11:49.23
IV.MMO1.EHE. ML:0.6 0.0000387 0.96 AML other m 2023-01-06T04:11:49.73
IV.LNSS.HHE. ML:0.7 0.000028899999999999998 1.28 AML other m 2023-01-06T04:11:54.12
IV.LNSS.HHN. ML:0.7 0.00002415 0.62 AML other m 2023-01-06T04:11:54.14
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