Earthquake with magnitude of ML 0.9 on date 13-01-2023 and time 23:38:05 (UTC) in region 8 km E Norcia (PG)

A magnitude ML 0.9 earthquake occured in region: 8 km E Norcia (PG), on

  • 13-01-2023 23:38:05 (UTC)
  • 14-01-2023 00:38:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7670, 13.1790 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 8 4957 4957
Arquata del Tronto AP 10 1178 6135
Accumoli RI 10 667 6802
Castelsantangelo sul Nera MC 14 281 7083
Cascia PG 15 3217 10300
Montegallo AP 15 523 10823
Cittareale RI 17 482 11305
Preci PG 17 724 12029
Amatrice RI 18 2657 14686
Acquasanta Terme AP 19 2916 17602
Montemonaco AP 19 604 18206
Visso MC 20 1107 19313
Ussita MC 20 444 19757

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Foligno (57155 inhabitants)
45 Km W of Teramo (54892 inhabitants)
49 Km E of Terni (111501 inhabitants)
50 Km NW of L'Aquila (69753 inhabitants)
75 Km SE of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
91 Km W of Pescara (121014 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
93 Km NW of Chieti (51815 inhabitants)
95 Km NE of Tivoli (56533 inhabitants)
96 Km E of Viterbo (67173 inhabitants)
99 Km S 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 0.9 2023-01-13
23:38:05
42.7672 13.1793 10 2023-01-13
23:44:32
Sala Sismica INGV-Roma 113525751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-13 23:38:05 ± 0.07
Latitude 42.7672 ± 0.0027
Longitude 13.1793 ± 0.0061
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113525751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 442
Semi-minor axis of confidence ellipse (meter) 107
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 91
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.08184
Epicentral distance of station farthest from the epicenter (degree) 0.31117
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 113525751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-13 23:44:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2023-01-13T23:38:16.78 0.3 undecidable manual S 320 34.5432 50 -0.17 71
IV.FDMO.HHZ. 2023-01-13T23:38:16.17 0.6 undecidable manual S 346 30.8469 50 0.22 47
IV.RM33.EHN. 2023-01-13T23:38:15.11 0.3 undecidable manual S 174 28.749 50 -0.29 69
IV.GAVE.EHZ. 2023-01-13T23:38:14.17 0.3 undecidable manual S 250 24.6531 112 -0.12 72
IV.LNSS.HHZ. 2023-01-13T23:38:13.44 0.3 undecidable manual S 212 21.4674 115 0.16 72
IV.MMO1.EHZ. 2023-01-13T23:38:12.26 0.3 undecidable manual S 39 18.9699 118 -0.24 71
IV.SMA1.EHZ. 2023-01-13T23:38:12.99 0.3 undecidable manual S 140 19.7691 117 0.24 71
IV.FDMO.HHZ. 2023-01-13T23:38:11.62 0.6 undecidable manual P 346 30.8469 50 0.28 46
IV.MC2.EHZ. 2023-01-13T23:38:11.91 0.3 undecidable manual S 3 16.0728 122 0.29 71
IV.RM33.EHN. 2023-01-13T23:38:11.49 0.6 undecidable manual P 174 28.749 50 0.47 45
IV.CESI.HHZ. 2023-01-13T23:38:11.86 0.3 undecidable manual P 320 34.5432 50 -0.06 72
IV.GAVE.EHZ. 2023-01-13T23:38:10.38 0.1 undecidable manual P 250 24.6531 112 0 99
IV.NRCA.HHZ. 2023-01-13T23:38:09.49 0.3 undecidable manual S 324 9.0798 138 -0.26 72
IV.SMA1.EHZ. 2023-01-13T23:38:09.07 0.3 undecidable manual P 140 19.7691 117 -0.43 69
IV.LNSS.HHZ. 2023-01-13T23:38:09.90 0.1 undecidable manual P 212 21.4674 115 0.1 98
IV.MC2.EHZ. 2023-01-13T23:38:09.02 1.0 negative manual P 3 16.0728 122 0.18 24
IV.MMO1.EHZ. 2023-01-13T23:38:09.30 1.0 undecidable manual P 39 18.9699 118 -0.05 25
IV.NRCA.HHZ. 2023-01-13T23:38:07.85 0.1 undecidable manual P 324 9.0798 138 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.1 0.000177 0.12 AML other m 2023-01-13T23:38:09.67
IV.NRCA.HHE. ML:1.2 0.00023799999999999998 1.34 AML other m 2023-01-13T23:38:09.76
IV.MMO1.EHE. ML:0.8 0.00004975 0.88 AML other m 2023-01-13T23:38:12.46
IV.MMO1.EHN. ML:0.6 0.0000361 0.54 AML other m 2023-01-13T23:38:13.52
IV.NRCA.HNE. ML:1.2 0.00020060369999999998 0.0768 AML other m 2023-01-13T23:38:09.77
IV.NRCA.HNN. ML:1.1 0.00018158279999999999 0.1792 AML other m 2023-01-13T23:38:09.75
IV.LNSS.HHE. ML:0.6 0.000024265196 1.4976 AML other m 2023-01-13T23:38:15.72
IV.LNSS.HHN. ML:0.6 0.000024979975000000003 1.3568 AML other m 2023-01-13T23:38:15.47
IV.GAVE.EHE. ML:0.7 0.000029339540000000002 0.1664 AML other m 2023-01-13T23:38:15.25
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download