Earthquake with magnitude of ML 1.3 on date 02-02-2023 and time 01:22:12 (UTC) in region 5 km E Norcia (PG)

A magnitude ML 1.3 earthquake occured in region: 5 km E Norcia (PG), on

  • 02-02-2023 01:22:12 (UTC)
  • 02-02-2023 02:22:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8010, 13.1590 at 8 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 5 4957 4957
Castelsantangelo sul Nera MC 11 281 5238
Arquata del Tronto AP 12 1178 6416
Preci PG 13 724 7140
Accumoli RI 14 667 7807
Cascia PG 15 3217 11024
Montegallo AP 15 523 11547
Visso MC 16 1107 12654
Ussita MC 16 444 13098
Montemonaco AP 18 604 13702
Cerreto di Spoleto PG 20 1075 14777

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
47 Km W of Teramo (54892 inhabitants)
50 Km NE of Terni (111501 inhabitants)
54 Km NW of L'Aquila (69753 inhabitants)
71 Km E of Perugia (166134 inhabitants)
87 Km W of Montesilvano (53738 inhabitants)
94 Km W of Pescara (121014 inhabitants)
95 Km SW of Ancona (100861 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km E of Viterbo (67173 inhabitants)
97 Km NW of Chieti (51815 inhabitants)
98 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 1.3 2023-02-02
01:22:12
42.8012 13.1593 8 2024-03-01
17:18:10
Bollettino Sismico Italiano INGV 117904231
Reviewed
Rev100
ML 1.2 2023-02-02
01:22:12
42.8043 13.1538 6 2023-02-02
01:28:04
Sala Sismica INGV-Roma 113969341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-02 01:22:12 ± 0.05
Latitude 42.8012 ± 0.0027
Longitude 13.1593 ± 0.0049
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117904231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 296
Semi-minor axis of confidence ellipse (meter) 264
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 80
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.04587
Epicentral distance of station farthest from the epicenter (degree) 0.71406
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 117904231
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-24 13:14:13

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 113969341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-02 01:28:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2023-02-02T01:22:26.50 0.3 undecidable manual P 347 79.2651 50 0.03 66
IV.MML1.EHZ. 2023-02-02T01:22:25.85 0.3 undecidable manual S 336 37.8288 50 0.18 69
IV.RM33.EHZ. 2023-02-02T01:22:24.00 0.3 undecidable manual S 172 32.745 104 -0.14 71
IV.CING.HHZ. 2023-02-02T01:22:24.03 0.3 undecidable manual P 3 63.7917 50 -0.05 68
IV.CSP1.EHZ. 2023-02-02T01:22:24.03 0.3 undecidable manual S 7 32.4453 104 -0.03 72
IV.EL6.EHZ. 2023-02-02T01:22:23.16 0.3 undecidable manual P 355 58.7967 50 -0.14 67
IV.FIAM.HHZ. 2023-02-02T01:22:23.41 0.3 undecidable manual P 183 59.1963 50 0.04 69
IV.CESI.HHZ. 2023-02-02T01:22:23.33 0.3 undecidable manual S 318 30.6471 105 -0.12 71
IV.FDMO.HHZ. 2023-02-02T01:22:22.14 0.1 undecidable manual S 347 26.751 107 -0.01 98
IV.GIGS.HHZ. 2023-02-02T01:22:22.00 0.3 undecidable manual P 139 51.3153 50 -0.14 68
IV.LNSS.HHZ. 2023-02-02T01:22:21.54 0.3 undecidable manual S 204 24.0537 109 0.3 69
IV.MOMA.HHZ. 2023-02-02T01:22:21.66 0.3 undecidable manual P 271 47.9187 50 0.03 70
IV.SMA1.EHZ. 2023-02-02T01:22:21.21 0.3 undecidable manual S 143 23.754 109 0.06 73
IV.ARRO.EHZ. 2023-02-02T01:22:20.45 0.3 undecidable manual P 233 40.4262 50 -0.03 71
IV.FEMA.HNZ. 2023-02-02T01:22:20.65 0.6 undecidable manual S 334 19.9689 112 0.73 41
IV.RM33.EHZ. 2023-02-02T01:22:19.07 0.1 undecidable manual P 172 32.745 104 -0.12 95
IV.MMO1.EHZ. 2023-02-02T01:22:19.21 0.1 undecidable manual S 51 17.4714 115 0.09 98
IV.MML1.EHZ. 2023-02-02T01:22:19.73 0.1 undecidable manual P 336 37.8288 50 -0.35 89
IV.CESI.HHZ. 2023-02-02T01:22:18.64 0.1 undecidable manual P 318 30.6471 105 -0.16 94
IV.CSP1.EHZ. 2023-02-02T01:22:18.97 0.6 undecidable manual P 7 32.4453 104 -0.18 47
7F.SIB2.EHZ. 2023-02-02T01:22:18.21 0.3 undecidable manual S 50 15.4734 118 -0.28 71
7F.SIB1.EHZ. 2023-02-02T01:22:18.36 0.3 undecidable manual S 41 13.7751 120 0.38 69
IV.MC2.EHZ. 2023-02-02T01:22:17.95 0.3 undecidable manual S 11 12.4764 123 0.34 70
IV.SMA1.EHZ. 2023-02-02T01:22:17.66 0.1 undecidable manual P 143 23.754 109 0.19 95
IV.FEMA.HNZ. 2023-02-02T01:22:17.47 0.3 undecidable manual P 334 19.9689 112 0.71 62
IV.LNSS.HHZ. 2023-02-02T01:22:17.66 0.1 undecidable manual P 204 24.0537 109 0.14 96
7F.SIB3.EHZ. 2023-02-02T01:22:17.09 0.3 undecidable manual S 48 12.1767 124 -0.43 69
IV.FDMO.HHZ. 2023-02-02T01:22:17.88 0.1 undecidable manual P 347 26.751 107 -0.17 95
IV.MMO1.EHZ. 2023-02-02T01:22:16.29 0.1 undecidable manual P 51 17.4714 115 -0.01 99
7F.SIB3.EHZ. 2023-02-02T01:22:15.35 0.1 undecidable manual P 48 12.1767 124 -0.03 100
7F.SIB1.EHZ. 2023-02-02T01:22:15.70 0.1 undecidable manual P 41 13.7751 120 0.06 99
IV.NRCA.HNZ. 2023-02-02T01:22:15.05 0.3 undecidable manual S 315 5.0949 148 -0.72 63
IV.MC2.EHZ. 2023-02-02T01:22:15.71 0.1 undecidable manual P 11 12.4764 123 0.29 95
7F.SIB2.EHZ. 2023-02-02T01:22:15.91 0.1 undecidable manual P 50 15.4734 118 -0.02 99
IV.NRCA.HNZ. 2023-02-02T01:22:14.22 0.1 undecidable manual P 315 5.0949 148 -0.14 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMO1.EHN. ML:1.4 0.00024019335 0.2 AML other m 2023-02-02T01:22:19.87
IV.MMO1.EHE. ML:1.5 0.00030333264999999997 0.14 AML other m 2023-02-02T01:22:19.88
IV.LNSS.HHN. ML:1.3 0.0001345865 0.18 AML other m 2023-02-02T01:22:23.43
IV.FDMO.HHE. ML:1.2 0.00010095 0.76 AML other m 2023-02-02T01:22:23.50
IV.LNSS.HHE. ML:1.4 0.00014542460000000002 0.14 AML other m 2023-02-02T01:22:23.65
IV.FDMO.HHN. ML:1.3 0.000113 0.24 AML other m 2023-02-02T01:22:23.64
IV.RM33.EHN. ML:1.2 0.000065147945 0.2 AML other m 2023-02-02T01:22:24.38
IV.CESI.HHN. ML:1.5 0.00014500000000000003 0.24 AML other m 2023-02-02T01:22:24.52
IV.SMA1.EHN. ML:1.2 0.0001129 0.34 AML other m 2023-02-02T01:22:24.76
IV.CSP1.EHN. ML:1.6 0.0001595245 0.2 AML other m 2023-02-02T01:22:24.87
IV.SMA1.EHE. ML:1.2 0.000115814675 0.26 AML other m 2023-02-02T01:22:25.03
IV.RM33.EHE. ML:1.1 0.000059973875 0.34 AML other m 2023-02-02T01:22:25.24
IV.CESI.HHE. ML:1.2 0.000079051485 0.38 AML other m 2023-02-02T01:22:25.38
IV.MML1.EHN. ML:1.1 0.00005205 0.84 AML other m 2023-02-02T01:22:26.51
IV.CSP1.EHE. ML:1.6 0.00016547895000000002 0.24 AML other m 2023-02-02T01:22:26.76
IV.MML1.EHE. ML:1.0 0.000041675115 0.22 AML other m 2023-02-02T01:22:28.77
IV.MOMA.HHE. ML:1.2 0.0000375 0.16 AML other m 2023-02-02T01:22:29.58
IV.MOMA.HHN. ML:1.2 0.0000409 0.18 AML other m 2023-02-02T01:22:31.19
IV.EL6.EHN. ML:2.6 0.0009099999999999999 0.42 AML other m 2023-02-02T01:22:33.34
IV.EL6.EHE. ML:2.4 0.0005375 0.58 AML other m 2023-02-02T01:22:33.13
IV.CING.HHE. ML:1.1 0.000023650000000000002 0.82 AML other m 2023-02-02T01:22:34.99
IV.CING.HHN. ML:1.1 0.00002495 0.66 AML other m 2023-02-02T01:22:35.36
IV.ARVD.HHE. ML:1.0 0.00001515 1.06 AML other m 2023-02-02T01:22:40.43
IV.ARVD.HHN. ML:0.8 0.00001033 0.42 AML other m 2023-02-02T01:22:52.46
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