Earthquake with magnitude of ML 1.7 on date 09-02-2023 and time 12:00:02 (Italy) in region 3 km NE Norcia (PG)

A magnitude ML 1.7 earthquake occured in region: 3 km NE Norcia (PG), on

  • 09-02-2023 11:00:02 (UTC)
  • 09-02-2023 12:00:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8150, 13.1080 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 3 4957 4957
Preci PG 9 724 5681
Castelsantangelo sul Nera MC 10 281 5962
Visso MC 13 1107 7069
Cascia PG 13 3217 10286
Ussita MC 15 444 10730
Cerreto di Spoleto PG 16 1075 11805
Arquata del Tronto AP 16 1178 12983
Sellano PG 17 1079 14062
Accumoli RI 18 667 14729
Poggiodomo PG 18 117 14846
Montegallo AP 19 523 15369

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
47 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)
92 Km W of Montesilvano (53738 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
95 Km SW of Ancona (100861 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km N of Tivoli (56533 inhabitants)
99 Km W of Pescara (121014 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 1.7 2023-02-09
11:00:02
42.8152 13.1077 11 2024-03-01
17:17:59
Bollettino Sismico Italiano INGV 115624871
Reviewed
Rev100
ML 1.7 2023-02-09
11:00:02
42.8095 13.1023 11 2023-02-09
11:08:21
Sala Sismica INGV-Roma 114292781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-09 11:00:02 ± 0.05
Latitude 42.8152 ± 0.0027
Longitude 13.1077 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115624871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 294
Semi-minor axis of confidence ellipse (meter) 245
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 56
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.01889
Epicentral distance of station farthest from the epicenter (degree) 0.41189
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 114292781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-09 11:08:21

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 115624871
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-03-22 11:07:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2023-02-09T11:00:17.70 0.6 undecidable manual S 118 45.7209 50 0.08 47
IV.CAMP.HHE. 2023-02-09T11:00:15.86 0.3 undecidable manual S 141 39.5271 50 -0.12 71
IV.PF6.EHN. 2023-02-09T11:00:15.25 0.1 undecidable manual S 11 36.5412 50 0.09 95
IV.MML1.HNE. 2023-02-09T11:00:14.74 0.1 undecidable manual S 342 34.9428 50 0 97
IV.CSP1.EHZ. 2023-02-09T11:00:14.11 0.3 undecidable manual S 14 31.746 50 0.23 70
IV.RM33.EHZ. 2023-02-09T11:00:14.82 0.6 undecidable manual S 166 35.0427 50 0.04 48
IV.SMA1.EHZ. 2023-02-09T11:00:12.69 0.6 undecidable manual S 138 27.6501 50 -0.1 48
IV.CESI.HHZ. 2023-02-09T11:00:12.55 0.3 undecidable manual S 322 26.751 50 -0.01 74
IT.GNU.HGE. 2023-02-09T11:00:11.23 0.3 undecidable manual P 269 43.7229 50 0.14 70
IV.MTRA.EHZ. 2023-02-09T11:00:11.91 0.3 undecidable manual S 105 24.3534 50 -0.02 74
IV.GAVE.EHZ. 2023-02-09T11:00:11.08 0.3 undecidable manual S 232 22.0668 50 -0.24 71
IV.TERO.HHZ. 2023-02-09T11:00:11.14 0.6 undecidable manual P 118 45.7209 50 -0.26 45
IV.LNSS.HHZ. 2023-02-09T11:00:11.56 0.6 undecidable manual S 193 24.1536 50 -0.31 46
IT.MTCL.HGZ. 2023-02-09T11:00:11.04 0.1 undecidable manual S 336 21.6672 50 -0.17 96
IV.MOMA.HHZ. 2023-02-09T11:00:11.41 0.6 positive manual P 269 43.7229 50 0.31 45
IV.MMO1.EHZ. 2023-02-09T11:00:10.97 0.3 undecidable manual S 62 20.1687 50 0.18 72
IV.CAMP.HHE. 2023-02-09T11:00:10.99 0.6 undecidable manual P 141 39.5271 50 0.54 43
IV.ARRO.EHZ. 2023-02-09T11:00:10.57 0.3 undecidable manual P 227 38.2284 50 0.33 68
IV.CSP1.EHZ. 2023-02-09T11:00:09.36 0.1 undecidable manual P 14 31.746 50 0.12 95
IV.FEMA.HNE. 2023-02-09T11:00:09.83 0.1 undecidable manual S 344 16.9719 122 -0.04 99
IV.RM33.EHZ. 2023-02-09T11:00:09.60 1.0 undecidable manual P 166 35.0427 50 -0.15 24
7F.SIB2.EHE. 2023-02-09T11:00:09.80 0.3 undecidable manual S 62 18.0708 121 -0.38 69
7F.SIB3.EHN. 2023-02-09T11:00:09.04 0.1 undecidable manual S 63 14.7741 126 -0.19 97
IV.PF6.EHN. 2023-02-09T11:00:09.22 0.1 undecidable manual P 11 36.5412 50 -0.76 79
IV.MML1.HNE. 2023-02-09T11:00:09.57 0.6 undecidable manual P 342 34.9428 50 -0.16 47
IV.MC2.EHZ. 2023-02-09T11:00:09.07 0.6 undecidable manual S 32 12.5763 131 0.44 46
7F.SIB1.EHE. 2023-02-09T11:00:09.60 0.3 undecidable manual S 56 15.873 124 0.05 74
IV.CESI.HHZ. 2023-02-09T11:00:08.49 0.1 negative manual P 322 26.751 50 0.01 98
IV.MTRA.EHZ. 2023-02-09T11:00:08.50 0.1 undecidable manual P 105 24.3534 50 0.39 91
IV.SMA1.EHZ. 2023-02-09T11:00:08.64 0.1 undecidable manual P 138 27.6501 50 0.03 98
IV.LNSS.HHZ. 2023-02-09T11:00:07.97 0.3 negative manual P 193 24.1536 50 -0.11 73
IT.MTCL.HGZ. 2023-02-09T11:00:07.64 0.1 undecidable manual P 336 21.6672 50 -0.05 98
IV.MMO1.EHZ. 2023-02-09T11:00:07.35 0.3 positive manual P 62 20.1687 50 -0.1 73
IV.FEMA.HNE. 2023-02-09T11:00:07.02 0.1 undecidable manual P 344 16.9719 122 0.1 98
IV.GAVE.EHZ. 2023-02-09T11:00:07.76 0.6 negative manual P 232 22.0668 50 0 50
IV.MC2.EHZ. 2023-02-09T11:00:06.49 0.3 positive manual P 32 12.5763 131 0.28 71
7F.SIB1.EHE. 2023-02-09T11:00:06.81 0.1 undecidable manual P 56 15.873 124 0.08 99
IV.NRCA.HHZ. 2023-02-09T11:00:06.48 0.6 undecidable manual S 15 2.0979 169 -0.21 49
7F.SIB2.EHE. 2023-02-09T11:00:06.98 0.1 undecidable manual P 62 18.0708 121 -0.12 98
7F.SIB3.EHN. 2023-02-09T11:00:06.50 0.1 undecidable manual P 63 14.7741 126 -0.05 99
IV.NRCA.HHZ. 2023-02-09T11:00:05.22 0.1 undecidable manual P 15 2.0979 169 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:2.5 0.005445 0.08 AML other m 2023-02-09T11:00:06.55
IV.NRCA.HNN. ML:2.4 0.004613289 0.0768 AML other m 2023-02-09T11:00:06.55
IV.NRCA.HHE. ML:2.4 0.004795 0.12 AML other m 2023-02-09T11:00:06.55
IV.NRCA.HNE. ML:2.4 0.004885 0.12 AML other m 2023-02-09T11:00:06.56
IV.MC2.EHE. ML:1.8 0.0007663165 0.1856 AML other m 2023-02-09T11:00:09.83
IV.MC2.EHN. ML:1.9 0.0008711724 1.744 AML other m 2023-02-09T11:00:10.06
IV.MMO1.EHN. ML:1.7 0.00034899999999999997 0.32 AML other m 2023-02-09T11:00:11.06
IV.MMO1.EHE. ML:1.6 0.00025708165 0.1792 AML other m 2023-02-09T11:00:11.52
IV.GAVE.EHN. ML:1.8 0.0003819239 0.1408 AML other m 2023-02-09T11:00:11.60
IV.GAVE.EHE. ML:1.7 0.00032099999999999994 0.32 AML other m 2023-02-09T11:00:12.10
IV.GAVE.HNE. ML:1.6 0.0002963334 0.32 AML other m 2023-02-09T11:00:12.26
IV.CESI.HHE. ML:1.5 0.000160651965 0.1216 AML other m 2023-02-09T11:00:12.65
IV.CESI.HNE. ML:1.5 0.00016548400000000003 0.1408 AML other m 2023-02-09T11:00:12.65
IV.LNSS.HHE. ML:1.6 0.00022172345 0.1792 AML other m 2023-02-09T11:00:12.77
IV.LNSS.HNE. ML:1.6 0.0002436777 0.192 AML other m 2023-02-09T11:00:12.78
IV.LNSS.HHN. ML:1.6 0.00025539394999999997 0.1408 AML other m 2023-02-09T11:00:12.91
IV.CESI.HHN. ML:1.8 0.00030773885 0.256 AML other m 2023-02-09T11:00:13.04
IV.CESI.HNN. ML:1.7 0.00029042965 0.2624 AML other m 2023-02-09T11:00:13.17
IV.MTRA.HNN. ML:1.5 0.00019702385 0.3008 AML other m 2023-02-09T11:00:13.29
IV.MTRA.EHN. ML:1.5 0.00017449199999999997 0.2816 AML other m 2023-02-09T11:00:13.52
IV.SMA1.EHE. ML:1.7 0.00028903875 0.1984 AML other m 2023-02-09T11:00:13.73
IV.CSP1.EHN. ML:1.7 0.000238801 0.3456 AML other m 2023-02-09T11:00:14.62
IV.SMA1.EHN. ML:1.6 0.00020273750000000002 0.5376 AML other m 2023-02-09T11:00:16.42
IV.TERO.HHN. ML:1.7 0.000149334345 0.1152 AML other m 2023-02-09T11:00:18.53
IV.TERO.HHE. ML:1.6 0.00011257915 0.0832 AML other m 2023-02-09T11:00:18.58
IV.MOMA.HHN. ML:1.5 0.00010350000000000001 0.32 AML other m 2023-02-09T11:00:19.65
IV.MOMA.HHE. ML:1.5 0.00010729882 0.3968 AML other m 2023-02-09T11:00:19.84
IV.CSP1.EHE. ML:1.6 0.00019332865000000002 1.3216 AML other m 2023-02-09T11:00:20.15
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