Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 10-02-2023 and time 03:02:20 (Italy) in region 2 km E Norcia (PG)

A magnitude ML 2.0 earthquake occured in region: 2 km E Norcia (PG), on

  • 10-02-2023 02:02:20 (UTC)
  • 10-02-2023 03:02:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7870, 13.1170 at 10 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.

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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 2 4957 4957
Cascia PG 11 3217 8174
Preci PG 12 724 8898
Castelsantangelo sul Nera MC 12 281 9179
Arquata del Tronto AP 15 1178 10357
Accumoli RI 15 667 11024
Visso MC 16 1107 12131
Cerreto di Spoleto PG 17 1075 13206
Poggiodomo PG 17 117 13323
Ussita MC 18 444 13767
Montegallo AP 19 523 14290
Cittareale RI 19 482 14772
Sellano PG 19 1079 15851

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
50 Km W of Teramo (54892 inhabitants)
54 Km NW of L'Aquila (69753 inhabitants)
69 Km SE of Perugia (166134 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km N of Tivoli (56533 inhabitants)
97 Km W of Pescara (121014 inhabitants)
98 Km SW of Ancona (100861 inhabitants)
99 Km W 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
Bulletin
Rev1000 		ML 2.0 2023-02-10
02:02:20		 42.787 13.1167 10 2024-03-01
17:18:06		 Bollettino Sismico Italiano INGV 117056741
Reviewed
Rev100 		ML 2.0 2023-02-10
02:02:20		 42.7878 13.1163 10 2023-02-10
02:11:46		 Sala Sismica INGV-Roma 114313701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-10 02:02:20 ± 0.03
Latitude 42.7870 ± 0.0018
Longitude 13.1167 ± 0.0025
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117056741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 185
Semi-minor axis of confidence ellipse (meter) 153
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 103
Circular confidence region, given by single value of horizontal uncertainty (meter) 190.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 34
Number of associated phases, regardless of their use for origin computation 63
Number of defining phases 56
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.91101
Number of stations at which the event was observed 43
Number of stations from which data was used for origin computation 38
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 66
Type of magnitude ML
Reference to an origin 117056741
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-05 15:31:48

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 66
Type of magnitude ML
Reference to an origin 114313701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-10 02:11:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2023-02-10T02:02:47.40 3.0 undecidable manual S 87.0462 1.11 0
IV.SSFR.HHZ. 2023-02-10T02:02:45.27 3.0 undecidable manual S 0.14 0
IV.ARVD.HHZ. 2023-02-10T02:02:45.60 3.0 undecidable manual S 80.1642 1.14 0
IV.NARO.HHZ. 2023-02-10T02:02:39.07 3.0 negative manual P 101.121 1.53 0
IV.SNTG.HHZ. 2023-02-10T02:02:37.60 1.0 undecidable manual S 345 53.8017 50 0.16 23
IV.FRON.EHZ. 2023-02-10T02:02:35.83 3.0 positive manual P 87.0462 0.47 0
IV.ARVD.HHZ. 2023-02-10T02:02:34.47 3.0 negative manual P 80.1642 0.17 0
IV.MML1.EHZ. 2023-02-10T02:02:33.20 0.1 undecidable manual S 342 38.1285 50 -0.03 96
IV.ASCOL.EHN. 2023-02-10T02:02:33.50 0.6 undecidable manual S 79 39.1275 50 -0.01 48
IV.ARRO.EHZ. 2023-02-10T02:02:32.80 0.3 undecidable manual S 231 36.741 50 -0.08 72
IV.CAMP.HHZ. 2023-02-10T02:02:32.80 0.3 undecidable manual S 139 36.6411 50 -0.05 72
IV.CING.HHZ. 2023-02-10T02:02:32.05 0.1 undecidable manual P 6 65.5899 50 -0.01 92
IV.CSP1.EHZ. 2023-02-10T02:02:32.30 0.3 undecidable manual S 12 34.5432 50 0.01 73
IV.EL6.EHZ. 2023-02-10T02:02:31.21 0.1 undecidable manual P 359 60.1953 50 -0.01 93
IV.RM33.EHZ. 2023-02-10T02:02:31.60 0.3 undecidable manual S 165 31.8459 50 0.03 73
IV.MNTT.EHZ. 2023-02-10T02:02:30.30 0.6 undecidable manual P 52 49.4172 50 0.74 39
IV.ATCC.EHZ. 2023-02-10T02:02:30.99 0.1 undecidable manual P 319 58.6968 50 0 93
IV.CESI.HHZ. 2023-02-10T02:02:30.50 0.3 undecidable manual S 325 29.6481 50 -0.49 66
IV.SNTG.HHZ. 2023-02-10T02:02:30.17 0.3 undecidable manual P 345 53.8017 50 -0.07 70
IV.FIAM.HHZ. 2023-02-10T02:02:30.64 0.6 undecidable manual P 180 57.5979 50 -0.18 45
IV.MNTP.HNZ. 2023-02-10T02:02:30.03 1.0 undecidable manual P 36 48.3183 50 0.65 20
IV.SMA1.EHZ. 2023-02-10T02:02:29.80 0.3 undecidable manual S 134 24.8529 50 0.09 73
IV.GIGS.HHZ. 2023-02-10T02:02:29.71 0.6 undecidable manual P 135 52.503 50 -0.33 44
IV.MTRA.EHZ. 2023-02-10T02:02:29.00 0.1 undecidable manual S 98 23.0547 114 -0.16 96
IV.CESX.HHZ. 2023-02-10T02:02:29.17 0.1 undecidable manual P 246 47.5191 50 -0.1 93
IV.GNU.HGZ. 2023-02-10T02:02:29.47 3.0 undecidable manual P 0
IV.MOMA.HHZ. 2023-02-10T02:02:28.98 0.1 undecidable manual P 273 44.5221 50 0.17 92
IT.FOPC.HGN. 2023-02-10T02:02:28.02 0.6 undecidable manual P 301 39.2274 50 0.02 48
IV.MMO1.EHZ. 2023-02-10T02:02:28.40 0.1 undecidable manual S 54 21.1677 116 -0.17 96
IV.GAVE.EHZ. 2023-02-10T02:02:28.60 0.1 undecidable manual S 240 20.9679 116 0.1 98
IV.MDAR.HNN. 2023-02-10T02:02:28.92 0.3 undecidable manual P 3 45.0216 50 0.03 71
IV.SAP2.EHZ. 2023-02-10T02:02:28.73 0.1 undecidable manual P 34 41.3253 50 0.42 88
IV.LNSS.HHZ. 2023-02-10T02:02:28.70 0.3 undecidable manual S 197 21.3675 116 0.07 74
IV.TERO.HHZ. 2023-02-10T02:02:28.50 0.3 undecidable manual P 114 43.7229 50 -0.18 69
IV.SEF1.HNN. 2023-02-10T02:02:28.50 1.0 undecidable manual P 341 42.2244 50 0.05 24
IV.MF5.EHN. 2023-02-10T02:02:27.82 0.1 undecidable manual P 51 35.6421 50 0.38 90
IV.MML1.EHZ. 2023-02-10T02:02:27.70 0.1 undecidable manual P 342 38.1285 50 -0.12 95
7F.SIB1.EHE. 2023-02-10T02:02:27.50 0.3 undecidable manual S 46 17.2716 121 0.12 73
IV.CAMP.HHZ. 2023-02-10T02:02:27.51 0.3 undecidable manual P 139 36.6411 50 -0.09 72
7F.SIB2.EHE. 2023-02-10T02:02:27.70 0.1 undecidable manual S 53 19.0698 118 -0.23 95
IV.GUMA.HHZ. 2023-02-10T02:02:27.66 0.3 undecidable manual P 30 35.3424 50 0.26 69
IV.PF6.EHN. 2023-02-10T02:02:27.91 0.3 undecidable manual P 9 39.4272 50 -0.11 71
IV.CSP1.EHZ. 2023-02-10T02:02:27.19 0.1 positive manual P 12 34.5432 50 -0.08 96
IV.ASCOL.EHN. 2023-02-10T02:02:27.90 0.3 undecidable manual P 79 39.1275 50 -0.08 71
IV.ARRO.EHZ. 2023-02-10T02:02:27.59 0.1 positive manual P 231 36.741 50 -0.02 97
IV.RM33.EHZ. 2023-02-10T02:02:26.72 0.1 undecidable manual P 165 31.8459 50 -0.13 95
IV.CESI.HHZ. 2023-02-10T02:02:26.45 0.1 negative manual P 325 29.6481 50 -0.07 97
IV.FDMO.HHN. 2023-02-10T02:02:26.12 0.1 positive manual P 355 27.75 50 -0.11 96
IV.MC2.EHZ. 2023-02-10T02:02:26.80 0.1 undecidable manual S 23 14.9739 124 0.09 99
7F.SIB3.EHN. 2023-02-10T02:02:26.70 0.3 undecidable manual S 52 15.873 123 -0.25 72
IV.MMO1.EHZ. 2023-02-10T02:02:25.12 0.1 positive manual P 54 21.1677 116 0 100
IT.MTCL.HGZ. 2023-02-10T02:02:25.63 0.1 undecidable manual P 337 24.8529 50 -0.15 96
IV.FEMA.HNE. 2023-02-10T02:02:25.06 0.6 undecidable manual P 344 20.1687 117 0.12 49
IV.MTRA.EHZ. 2023-02-10T02:02:25.47 0.1 undecidable manual P 98 23.0547 114 0.01 99
IV.GAVE.EHZ. 2023-02-10T02:02:25.19 0.1 positive manual P 240 20.9679 116 0.1 98
IV.SMA1.EHZ. 2023-02-10T02:02:25.78 0.1 negative manual P 134 24.8529 50 0 99
IV.LNSS.HHZ. 2023-02-10T02:02:25.20 0.1 positive manual P 197 21.3675 116 0.04 99
7F.SIB2.EHE. 2023-02-10T02:02:24.76 0.1 positive manual P 53 19.0698 118 0 100
IV.MC2.EHZ. 2023-02-10T02:02:24.31 0.1 positive manual P 23 14.9739 124 0.26 96
7F.SIB1.EHE. 2023-02-10T02:02:24.60 0.1 positive manual P 46 17.2716 121 0.17 97
7F.SIB3.EHN. 2023-02-10T02:02:24.26 0.1 undecidable manual P 52 15.873 123 0.07 99
IV.NRCA.HNZ. 2023-02-10T02:02:24.10 0.1 undecidable manual S 358 5.1948 153 -0.29 97
IV.NRCA.HNZ. 2023-02-10T02:02:22.85 0.1 positive manual P 358 5.1948 153 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:0.0 0.008780000000000001 0.08 AML other m 2023-02-10T02:02:24.20
IV.NRCA.HNE. ML:0.0 0.008969999999999999 0.08 AML other m 2023-02-10T02:02:24.20
IV.NRCA.HHN. ML:0.0 0.013949999999999999 0.08 AML other m 2023-02-10T02:02:24.16
IV.NRCA.HNN. ML:0.0 0.0124 0.1 AML other m 2023-02-10T02:02:24.16
IV.MC2.EHN. ML:0.0 0.002505 1.26 AML other m 2023-02-10T02:02:28.05
IV.MMO1.EHN. ML:0.0 0.001955 1.28 AML other m 2023-02-10T02:02:28.64
IV.MC2.EHE. ML:0.0 0.002705 0.62 AML other m 2023-02-10T02:02:28.77
IV.GAVE.EHE. ML:0.0 0.003 0.18 AML other m 2023-02-10T02:02:29.18
IV.GAVE.HNE. ML:0.0 0.002605 0.18 AML other m 2023-02-10T02:02:29.18
IV.MMO1.EHE. ML:0.0 0.001285 0.26 AML other m 2023-02-10T02:02:29.37
IV.GAVE.HNN. ML:0.0 0.0008805000000000001 0.16 AML other m 2023-02-10T02:02:29.26
IV.GAVE.EHN. ML:0.0 0.0026 0.14 AML other m 2023-02-10T02:02:29.27
IV.MTRA.HNN. ML:0.0 0.0012900000000000001 0.26 AML other m 2023-02-10T02:02:29.46
IV.MTRA.EHN. ML:0.0 0.0013 0.26 AML other m 2023-02-10T02:02:29.46
IV.MTRA.HNE. ML:0.0 0.0014700000000000002 0.18 AML other m 2023-02-10T02:02:29.46
IV.MTRA.EHE. ML:0.0 0.00149 0.18 AML other m 2023-02-10T02:02:29.46
IT.MTCL.HGE. ML:0.0 0.0364 0.42 AML other m 2023-02-10T02:02:29.79
IV.LNSS.HNE. ML:0.0 0.0009945 1.26 AML other m 2023-02-10T02:02:29.67
IV.LNSS.HHE. ML:0.0 0.00102 0.14 AML other m 2023-02-10T02:02:29.67
IT.MTCL.HGN. ML:0.0 0.0353 0.48 AML other m 2023-02-10T02:02:29.75
IV.LNSS.HHN. ML:0.0 0.0010550000000000002 0.78 AML other m 2023-02-10T02:02:30.41
IV.LNSS.HNN. ML:0.0 0.000984 0.78 AML other m 2023-02-10T02:02:30.41
IV.CESI.HHE. ML:0.0 0.0003935 0.28 AML other m 2023-02-10T02:02:31.08
IV.CESI.HHN. ML:0.0 0.000794 0.52 AML other m 2023-02-10T02:02:31.24
IV.SMA1.EHE. ML:0.0 0.0006775 0.48 AML other m 2023-02-10T02:02:32.36
IV.RM33.HNE. ML:0.0 0.0004125 0.74 AML other m 2023-02-10T02:02:32.99
IV.RM33.EHE. ML:0.0 0.000336 0.44 AML other m 2023-02-10T02:02:32.40
IV.RM33.HNN. ML:0.0 0.00036050000000000003 1.24 AML other m 2023-02-10T02:02:32.14
IV.CSP1.EHE. ML:0.0 0.000848 1.36 AML other m 2023-02-10T02:02:33.18
IV.SMA1.EHN. ML:0.0 0.0006499999999999999 0.34 AML other m 2023-02-10T02:02:33.36
IV.MML1.EHN. ML:0.0 0.000261 0.16 AML other m 2023-02-10T02:02:33.58
IV.CSP1.EHN. ML:0.0 0.000751 0.54 AML other m 2023-02-10T02:02:33.69
IV.RM33.EHN. ML:0.0 0.0002805 0.26 AML other m 2023-02-10T02:02:33.77
IV.GUMA.HHN. ML:0.0 0.000565 0.24 AML other m 2023-02-10T02:02:33.89
IV.GUMA.HNN. ML:0.0 0.0005480000000000001 0.22 AML other m 2023-02-10T02:02:33.89
IV.ARRO.EHE. ML:0.0 0.0002135 1.3 AML other m 2023-02-10T02:02:33.20
IV.MML1.EHE. ML:0.0 0.00020950000000000002 1.44 AML other m 2023-02-10T02:02:34.86
IV.TERO.HHE. ML:0.0 0.000155 0.94 AML other m 2023-02-10T02:02:35.87
IV.TERO.HHN. ML:0.0 0.000245 0.08 AML other m 2023-02-10T02:02:36.05
IV.CAMP.HHN. ML:1.4 0.00010435 0.42 AML other m 2023-02-10T02:02:36.33
IV.ARRO.EHN. ML:0.0 0.00023199999999999997 0.22 AML other m 2023-02-10T02:02:36.49
IV.CAMP.HHE. ML:1.5 0.0001235 0.98 AML other m 2023-02-10T02:02:36.44
IV.GUMA.HNE. ML:0.0 0.0005769999999999999 0.78 AML other m 2023-02-10T02:02:36.53
IV.MOMA.HHE. ML:0.0 0.0002045 1.42 AML other m 2023-02-10T02:02:36.98
IV.GUMA.HHE. ML:0.0 0.0005115 1.78 AML other m 2023-02-10T02:02:37.93
IV.SAP2.EHE. ML:0.0 0.0003265 0.3 AML other m 2023-02-10T02:02:37.66
IV.GIGS.HHN. ML:0.0 0.0000483 0.76 AML other m 2023-02-10T02:02:37.81
IV.SAP2.EHN. ML:0.0 0.00147 0.16 AML other m 2023-02-10T02:02:37.88
IV.MOMA.HHN. ML:0.0 0.000192 0.18 AML other m 2023-02-10T02:02:37.98
IV.CESX.HHN. ML:0.0 0.00014150000000000002 0.26 AML other m 2023-02-10T02:02:38.13
IV.CESX.HHE. ML:0.0 0.0001325 0.66 AML other m 2023-02-10T02:02:38.68
IV.MNTT.EHE. ML:0.0 0.00039449999999999994 1.8 AML other m 2023-02-10T02:02:39.96
IV.SNTG.HHN. ML:0.0 0.00010489999999999999 0.56 AML other m 2023-02-10T02:02:39.98
IV.GIGS.HHE. ML:0.0 0.0000485 0.46 AML other m 2023-02-10T02:02:39.97
IV.FIAM.HHE. ML:0.0 0.000152 1.74 AML other m 2023-02-10T02:02:39.07
IV.SNTG.HHE. ML:0.0 0.000103 0.16 AML other m 2023-02-10T02:02:39.87
IV.FIAM.HHN. ML:0.0 0.0000852 1.44 AML other m 2023-02-10T02:02:40.90
IV.ATCC.EHN. ML:0.0 0.00010300000000000001 0.2 AML other m 2023-02-10T02:02:40.83
IV.EL6.EHN. ML:0.0 0.0002485 0.24 AML other m 2023-02-10T02:02:40.88
IV.EL6.EHE. ML:0.0 0.000234 1.34 AML other m 2023-02-10T02:02:41.99
IV.ATCC.EHE. ML:0.0 0.000122 0.84 AML other m 2023-02-10T02:02:41.91
IV.MNTT.EHN. ML:0.0 0.00046899999999999996 0.24 AML other m 2023-02-10T02:02:42.63
IV.CING.HHN. ML:0.0 0.00009195 0.8 AML other m 2023-02-10T02:02:43.21
IV.CING.HHE. ML:0.0 0.00008444999999999999 1.5 AML other m 2023-02-10T02:02:43.82
IV.SSFR.HHE. ML:2.0 0.000132 0.74 AML other m 2023-02-10T02:02:47.39
IV.SSFR.HHN. ML:1.8 0.0001001 1.74 AML other m 2023-02-10T02:02:49.11
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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