Earthquake with magnitude of Md 1.3 on date 04-02-2023 and time 05:52:49 (UTC) in region 1 km E Norcia (PG)

A magnitude Md 1.3 earthquake occured in region: 1 km E Norcia (PG), on

  • 04-02-2023 05:52:49 (UTC)
  • 04-02-2023 06:52:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7960, 13.1100 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 1 4957 4957
Preci PG 11 724 5681
Cascia PG 12 3217 8898
Castelsantangelo sul Nera MC 12 281 9179
Visso MC 15 1107 10286
Arquata del Tronto AP 16 1178 11464
Accumoli RI 16 667 12131
Cerreto di Spoleto PG 16 1075 13206
Ussita MC 17 444 13650
Poggiodomo PG 17 117 13767
Sellano PG 18 1079 14846
Montegallo AP 19 523 15369

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
68 Km SE of Perugia (166134 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km N of Tivoli (56533 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
98 Km W of Pescara (121014 inhabitants)
100 Km NW of Chieti (51815 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
Md 1.3 2023-02-04
05:52:49
42.7957 13.1098 11 2023-02-04
08:54:29
Sala Sismica INGV-Roma 114041071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-04 05:52:49 ± 0.06
Latitude 42.7957 ± 0.0027
Longitude 13.1098 ± 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 114041071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 487
Semi-minor axis of confidence ellipse (meter) 205
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 102
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 161
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30397
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 11
Magnitude information

Md:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 5
Type of magnitude Md
Reference to an origin 114041071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-04 08:54:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.OVO.HHZ. 2023-02-04T05:54:18.93 3.0 undecidable manual Sg 12.4 0
IV.VAGA.HHZ. 2023-02-04T05:53:58.54 3.0 undecidable manual Sg 4.4 0
ST.OZOL.EHZ. 2023-02-04T05:53:57.78 3.0 undecidable manual Sg 7.88 0
CR.STON.BHZ. 2023-02-04T05:53:48.30 3.0 positive manual Pg 10.05 0
IV.IVPL.HHZ. 2023-02-04T05:53:45.79 3.0 negative manual Pn -9.77 0
IV.CAFE.HHZ. 2023-02-04T05:53:35.57 3.0 undecidable manual Pg 7.82 0
CH.FUORN.HHZ. 2023-02-04T05:53:29.81 3.0 undecidable manual Pg 10.7 0
ST.DOSS.HHZ. 2023-02-04T05:53:28.38 3.0 undecidable manual Sn -9.67 0
IV.FIAM.HHZ. 2023-02-04T05:53:24.64 3.0 undecidable manual Sg -3.31 0
ST.OZOL.EHZ. 2023-02-04T05:53:15.70 3.0 positive manual Pg 0.79 0
IV.MMUR.HNZ. 2023-02-04T05:53:13.89 3.0 undecidable manual Sg -0.71 0
IV.CSP1.EHZ. 2023-02-04T05:53:01.00 0.3 undecidable manual S 13 33.744 50 -0.11 72
IV.RM33.HNE. 2023-02-04T05:53:00.88 0.3 undecidable manual S 165 32.9448 50 -0.01 73
IV.SMA1.EHZ. 2023-02-04T05:52:59.04 0.3 undecidable manual S 135 25.9518 50 0.01 74
IV.FDMO.HHZ. 2023-02-04T05:52:59.05 0.3 undecidable manual S 356 26.751 50 -0.2 71
IV.LNSS.HNN. 2023-02-04T05:52:57.75 0.3 undecidable manual S 195 22.1556 115 -0.25 71
IV.MMO1.HNZ. 2023-02-04T05:52:57.50 0.3 undecidable manual S 57 21.0678 116 -0.17 72
7F.SIB2.EHN. 2023-02-04T05:52:56.77 0.3 undecidable manual S 56 18.9699 119 -0.26 71
IV.CSP1.EHZ. 2023-02-04T05:52:56.22 0.1 undecidable manual P 13 33.744 50 0.01 98
7F.SIB1.EHZ. 2023-02-04T05:52:56.46 0.3 undecidable manual S 50 17.0718 122 0.01 75
7F.SIB3.EHN. 2023-02-04T05:52:55.73 0.3 undecidable manual S 56 15.7731 124 -0.33 71
IV.FDMO.HHZ. 2023-02-04T05:52:55.07 0.1 undecidable manual P 356 26.751 50 -0.06 98
IV.SMA1.EHZ. 2023-02-04T05:52:55.30 0.1 undecidable manual P 135 25.9518 50 0.3 93
IV.MC2.EHZ. 2023-02-04T05:52:55.97 0.3 undecidable manual S 27 14.3745 126 0.3 71
IV.RM33.HNE. 2023-02-04T05:52:55.94 0.1 undecidable manual P 165 32.9448 50 -0.14 95
IV.LNSS.HNN. 2023-02-04T05:52:54.44 0.1 undecidable manual P 195 22.1556 115 0.03 99
IV.MMO1.HNZ. 2023-02-04T05:52:54.30 0.1 undecidable manual P 57 21.0678 116 0.08 98
7F.SIB1.EHZ. 2023-02-04T05:52:53.68 0.1 undecidable manual P 50 17.0718 122 0.17 97
IV.NRCA.HHZ. 2023-02-04T05:52:53.17 0.3 undecidable manual S 5 4.1958 158 -0.25 73
7F.SIB3.EHN. 2023-02-04T05:52:53.40 0.1 undecidable manual P 56 15.7731 124 0.11 99
7F.SIB2.EHN. 2023-02-04T05:52:53.87 0.1 undecidable manual P 56 18.9699 119 0.02 100
IV.MC2.EHZ. 2023-02-04T05:52:53.35 0.1 undecidable manual P 27 14.3745 126 0.28 95
IV.NRCA.HHZ. 2023-02-04T05:52:51.92 0.1 undecidable manual P 5 4.1958 158 0.15 100
IV.ARVD.HHZ. 2023-02-04T05:52:48.74 3.0 negative manual P -5.89 0
IV.IMOL.HNZ. 2023-02-04T05:52:47.92 3.0 undecidable manual P -4.34 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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