Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 06-02-2023 and time 08:37:52 (Italy) in region 5 km NW Preci (PG)

A magnitude ML 1.6 earthquake occured in region: 5 km NW Preci (PG), on

  • 06-02-2023 07:37:52 (UTC)
  • 06-02-2023 08:37:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9140, 12.9920 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Preci PG 6 724 724
Sellano PG 6 1079 1803
Visso MC 8 1107 2910
Monte Cavallo MC 9 145 3055
Cerreto di Spoleto PG 12 1075 4130
Ussita MC 13 444 4574
Castelsantangelo sul Nera MC 13 281 4855
Pieve Torina MC 15 1458 6313
Norcia PG 16 4957 11270
Fiordimonte MC 16 202 11472
Serravalle di Chienti MC 18 1070 12542
Pievebovigliana MC 18 866 13408
Fiastra MC 19 559 13967
Vallo di Nera PG 19 364 14331
Muccia MC 19 915 15246
Acquacanina MC 20 121 15367

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
54 Km E of Perugia (166134 inhabitants)
65 Km W of Teramo (54892 inhabitants)
71 Km NW of L'Aquila (69753 inhabitants)
89 Km SW of Ancona (100861 inhabitants)
91 Km NE of Viterbo (67173 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 1.6 2023-02-06
07:37:52		 42.9143 12.9922 11 2024-03-01
17:17:55		 Bollettino Sismico Italiano INGV 114517981
Reviewed
Rev100 		ML 1.6 2023-02-06
07:37:52		 42.914 12.9955 11 2023-02-06
08:28:28		 Sala Sismica INGV-Roma 114135571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-06 07:37:52 ± 0.05
Latitude 42.9143 ± 0.0027
Longitude 12.9922 ± 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 114517981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 309
Semi-minor axis of confidence ellipse (meter) 238
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 72
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 44
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) 0.06385
Epicentral distance of station farthest from the epicenter (degree) 0.43707
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 114517981
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-02-17 14:53:11

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 114135571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-06 08:28:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESX.HHN. 2023-02-06T07:38:07.23 0.3 undecidable manual S 224 47.3193 50 0.01 70
IV.RM33.EHZ. 2023-02-06T07:38:07.95 0.6 undecidable manual S 158 48.5181 50 0.43 43
IV.EL6.EHZ. 2023-02-06T07:38:07.62 0.3 undecidable manual S 11 46.9197 50 0.52 63
IV.FOSV.HNE. 2023-02-06T07:38:06.81 0.6 undecidable manual S 336 46.2204 50 -0.1 46
IV.SNTG.HHZ. 2023-02-06T07:38:04.97 0.3 undecidable manual S 354 38.0286 50 0.24 68
IV.MOMA.HNZ. 2023-02-06T07:38:04.05 0.6 undecidable manual S 251 36.4413 50 -0.26 45
IV.LNSS.HHZ. 2023-02-06T07:38:03.87 0.3 undecidable manual S 174 34.743 50 0.01 72
IV.GUMA.HNN. 2023-02-06T07:38:03.86 1.0 undecidable manual S 59 32.3454 50 0.65 20
IV.PF6.EHE. 2023-02-06T07:38:02.30 0.3 undecidable manual S 33 29.748 50 -0.22 69
7F.SIB2.EHN. 2023-02-06T07:38:01.21 0.3 undecidable manual S 96 25.4523 50 -0.17 71
IV.CSP1.EHZ. 2023-02-06T07:38:01.56 0.3 undecidable manual S 41 26.1516 50 -0.01 73
IV.MMO1.EHZ. 2023-02-06T07:38:01.93 0.3 undecidable manual S 93 27.2505 50 0.08 72
IV.FOSV.HNE. 2023-02-06T07:38:00.89 0.6 undecidable manual P 336 46.2204 50 0.24 45
7F.SIB1.EHZ. 2023-02-06T07:38:00.20 0.3 undecidable manual S 95 22.6551 50 -0.44 67
IV.EL6.EHZ. 2023-02-06T07:38:00.74 0.1 undecidable manual P 11 46.9197 50 -0.02 93
IV.SMA1.EHN. 2023-02-06T07:38:00.93 0.6 undecidable manual P 138 42.1245 50 0.91 36
IV.CESX.HHN. 2023-02-06T07:38:00.76 0.1 undecidable manual P 224 47.3193 50 -0.07 92
IV.ARRO.EHZ. 2023-02-06T07:38:00.39 0.6 undecidable manual P 206 41.5251 50 0.46 43
IV.MML1.EHZ. 2023-02-06T07:38:00.32 0.3 undecidable manual S 356 22.1556 50 -0.18 71
IV.RM33.EHZ. 2023-02-06T07:38:00.80 0.3 undecidable manual P 158 48.5181 50 -0.21 67
7F.SIB3.EHN. 2023-02-06T07:38:00.25 0.3 undecidable manual S 101 22.9548 50 -0.47 67
IV.SNTG.HHZ. 2023-02-06T07:37:59.32 0.1 undecidable manual P 354 38.0286 50 -0.08 94
IV.GUMA.HNN. 2023-02-06T07:37:59.08 0.6 undecidable manual P 59 32.3454 50 0.56 42
IV.MOMA.HNZ. 2023-02-06T07:37:59.07 0.6 undecidable manual P 251 36.4413 50 -0.08 47
IV.MC2.EHN. 2023-02-06T07:37:59.36 0.6 undecidable manual S 91 15.9729 125 0.52 44
IV.FDMO.HHZ. 2023-02-06T07:37:58.55 0.3 undecidable manual S 30 15.5733 125 -0.18 72
IV.PF6.EHE. 2023-02-06T07:37:58.08 0.1 undecidable manual P 33 29.748 50 -0.04 96
IV.LNSS.HHZ. 2023-02-06T07:37:58.74 0.1 undecidable manual P 174 34.743 50 -0.15 93
IV.CSP1.EHZ. 2023-02-06T07:37:57.58 0.1 undecidable manual P 41 26.1516 50 0.01 97
IV.MMO1.EHZ. 2023-02-06T07:37:57.72 0.1 undecidable manual P 93 27.2505 50 -0.01 97
7F.SIB1.EHZ. 2023-02-06T07:37:57.12 0.1 undecidable manual P 95 22.6551 50 0.09 96
IV.CESI.HHZ. 2023-02-06T07:37:57.68 0.3 undecidable manual S 325 12.2766 132 -0.15 72
7F.SIB2.EHN. 2023-02-06T07:37:57.42 0.1 undecidable manual P 96 25.4523 50 -0.04 97
IV.NRCA.HHZ. 2023-02-06T07:37:57.92 0.3 undecidable manual S 132 13.3755 129 -0.19 72
IV.MML1.EHZ. 2023-02-06T07:37:56.87 0.1 undecidable manual P 356 22.1556 50 -0.08 96
IT.MTCL.HGN. 2023-02-06T07:37:56.72 0.3 undecidable manual S 4 8.88 141 -0.28 71
7F.SIB3.EHN. 2023-02-06T07:37:56.99 0.1 undecidable manual P 101 22.9548 50 -0.09 96
IV.FEMA.HNN. 2023-02-06T07:37:56.67 0.3 undecidable manual S 41 7.0929 147 0.03 75
IV.MC2.EHN. 2023-02-06T07:37:56.06 0.1 undecidable manual P 91 15.9729 125 0.07 98
IV.CESI.HHZ. 2023-02-06T07:37:55.46 0.1 undecidable manual P 325 12.2766 132 0.05 99
IV.NRCA.HHZ. 2023-02-06T07:37:55.59 0.1 undecidable manual P 132 13.3755 129 0.02 99
IV.FDMO.HHZ. 2023-02-06T07:37:55.95 0.1 undecidable manual P 30 15.5733 125 0.02 99
IT.MTCL.HGN. 2023-02-06T07:37:54.92 0.1 undecidable manual P 4 8.88 141 -0.01 100
IV.FEMA.HNN. 2023-02-06T07:37:54.94 0.1 undecidable manual P 41 7.0929 147 0.22 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.2 0.0001685 0.26 AML other m 2023-02-06T07:37:57.90
IV.CESI.HHN. ML:1.5 0.00032999999999999994 1.7 AML other m 2023-02-06T07:37:57.95
IV.NRCA.HHN. ML:1.7 0.000482 1.66 AML other m 2023-02-06T07:37:57.99
IV.FDMO.HHN. ML:1.6 0.0003795 0.2 AML other m 2023-02-06T07:37:58.77
IV.FDMO.HHE. ML:1.9 0.0006705000000000001 0.3 AML other m 2023-02-06T07:37:58.77
IV.NRCA.HHE. ML:1.6 0.0003665 0.84 AML other m 2023-02-06T07:37:59.46
IV.MML1.EHN. ML:1.5 0.0001985 0.16 AML other m 2023-02-06T07:38:00.76
IV.MML1.EHE. ML:1.6 0.000259 0.18 AML other m 2023-02-06T07:38:00.78
IV.CSP1.EHN. ML:1.9 0.00045850000000000003 0.2 AML other m 2023-02-06T07:38:02.38
IV.CSP1.EHE. ML:1.9 0.00044500000000000003 0.42 AML other m 2023-02-06T07:38:02.37
IV.LNSS.HHN. ML:1.2 0.000061863845 0.1984 AML other m 2023-02-06T07:38:04.20
IV.LNSS.HHE. ML:1.2 0.000060887965 0.1024 AML other m 2023-02-06T07:38:04.78
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