Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 06-01-2023 and time 05:29:43 (UTC) in region 5 km W Sellano (PG)

A magnitude ML 1.0 earthquake occured in region: 5 km W Sellano (PG), on

  • 06-01-2023 05:29:43 (UTC)
  • 06-01-2023 06:29:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8900, 12.8640 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.

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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
Sellano PG 5 1079 1079
Cerreto di Spoleto PG 9 1075 2154
Trevi PG 10 8469 10623
Campello sul Clitunno PG 11 2442 13065
Vallo di Nera PG 13 364 13429
Preci PG 14 724 14153
Foligno PG 15 57155 71308
Monte Cavallo MC 16 145 71453
Castel Ritaldi PG 17 3278 74731
Montefalco PG 17 5679 80410
Sant'Anatolia di Narco PG 18 564 80974
Visso MC 19 1107 82081
Spello PG 19 8645 90726
Scheggino PG 20 461 91187
Spoleto PG 20 38218 129405

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km E of Foligno (57155 inhabitants)
41 Km NE of Terni (111501 inhabitants)
46 Km SE of Perugia (166134 inhabitants)
73 Km W of Teramo (54892 inhabitants)
74 Km NW of L'Aquila (69753 inhabitants)
81 Km NE of Viterbo (67173 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
100 Km N of Guidonia Montecelio (88673 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 1.0 2023-01-06
05:29:43		 42.8905 12.8643 11 2024-03-01
17:18:03		 Bollettino Sismico Italiano INGV 116318061
Reviewed
Rev100 		ML 1.0 2023-01-06
05:29:43		 42.8933 12.8742 11 2023-01-06
05:34:53		 Sala Sismica INGV-Roma 113339701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-06 05:29:43 ± 0.05
Latitude 42.8905 ± 0.0027
Longitude 12.8643 ± 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 116318061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 276
Semi-minor axis of confidence ellipse (meter) 237
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 52
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 39
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) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.11781
Epicentral distance of station farthest from the epicenter (degree) 0.55128
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:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 113339701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-06 05:34:53

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 116318061
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-12 16:47:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2023-01-06T05:29:56.63 0.6 undecidable manual S 9 40.9257 90 0.12 48
IV.ATCC.EHZ. 2023-01-06T05:29:55.96 0.6 undecidable manual S 331 37.4292 90 0.38 45
IV.CSP1.EHZ. 2023-01-06T05:29:55.21 0.6 undecidable manual S 51 35.5422 90 0.14 48
IV.MMO1.EHZ. 2023-01-06T05:29:55.84 0.6 undecidable manual S 88 37.629 90 0.21 47
IV.MGAB.HHZ. 2023-01-06T05:29:53.36 0.6 undecidable manual P 273 61.1943 90 -0.62 40
IV.RM33.HNE. 2023-01-06T05:29:52.70 0.6 undecidable manual P 146 51.0156 90 0.28 45
IV.MF5.EHZ. 2023-01-06T05:29:52.51 0.6 undecidable manual P 77 49.5171 90 0.32 45
IV.MML1.EHZ. 2023-01-06T05:29:52.54 0.6 undecidable manual S 19 26.2515 90 -0.05 49
IV.ASSB.HHZ. 2023-01-06T05:29:51.73 0.6 undecidable manual S 315 23.754 90 -0.2 47
IV.FDMO.HHZ. 2023-01-06T05:29:51.79 0.6 undecidable manual S 48 24.2535 90 -0.29 47
IV.NRCA.HHZ. 2023-01-06T05:29:51.18 0.6 undecidable manual S 107 21.2676 90 -0.09 49
IV.GAVE.EHZ. 2023-01-06T05:29:51.31 0.6 undecidable manual S 174 22.1556 90 -0.19 48
IV.MMO1.EHZ. 2023-01-06T05:29:50.05 0.6 undecidable manual P 88 37.629 90 -0.3 46
IV.LNSS.HNZ. 2023-01-06T05:29:50.15 0.6 undecidable manual P 156 34.9428 90 0.21 47
IV.FEMA.HNE. 2023-01-06T05:29:50.17 0.6 undecidable manual S 62 17.0718 90 0.03 50
IV.ATCC.EHZ. 2023-01-06T05:29:50.50 1.0 negative manual P 331 37.4292 90 0.18 24
IV.ARRO.EHZ. 2023-01-06T05:29:50.02 0.6 undecidable manual P 193 35.4423 90 0 49
IV.SNTG.HHZ. 2023-01-06T05:29:50.84 0.6 undecidable manual P 9 40.9257 90 -0.02 48
IV.CESX.HHE. 2023-01-06T05:29:50.34 0.6 undecidable manual P 216 38.628 90 -0.16 47
IV.CSP1.EHZ. 2023-01-06T05:29:50.04 0.6 positive manual P 51 35.5422 90 0.01 49
IV.CESI.HHZ. 2023-01-06T05:29:49.07 0.6 undecidable manual S 14 13.0758 99 -0.02 50
IT.MTCL.HGE. 2023-01-06T05:29:49.53 0.6 undecidable manual S 44 15.873 91 -0.3 47
IV.PF6.EHN. 2023-01-06T05:29:49.98 0.6 undecidable manual P 44 38.3283 90 -0.48 44
IT.FOPC.HGN. 2023-01-06T05:29:49.95 0.6 undecidable manual S 304 15.7731 91 0.15 49
IV.MML1.EHZ. 2023-01-06T05:29:48.57 0.6 positive manual P 19 26.2515 90 -0.03 49
IV.MOMA.HHZ. 2023-01-06T05:29:48.58 1.0 undecidable manual P 248 25.752 90 0.05 25
IV.GAVE.EHZ. 2023-01-06T05:29:48.04 0.1 negative manual P 174 22.1556 90 0.08 98
IV.ASSB.HHZ. 2023-01-06T05:29:48.12 0.6 positive manual P 315 23.754 90 -0.09 49
IV.MC2.EHZ. 2023-01-06T05:29:48.78 0.6 undecidable manual P 85 26.4513 90 0.14 48
IV.FDMO.HHZ. 2023-01-06T05:29:48.25 0.6 positive manual P 48 24.2535 90 -0.05 49
IV.NRCA.HHZ. 2023-01-06T05:29:47.77 0.1 negative manual P 107 21.2676 90 -0.06 99
IT.FOPC.HGN. 2023-01-06T05:29:47.21 0.6 undecidable manual P 304 15.7731 91 0.23 48
IV.FEMA.HNE. 2023-01-06T05:29:47.30 0.1 undecidable manual P 62 17.0718 90 0.12 99
IV.CESI.HHZ. 2023-01-06T05:29:46.66 0.1 undecidable manual P 14 13.0758 99 0.09 100
IT.MTCL.HGE. 2023-01-06T05:29:46.98 0.3 undecidable manual P 44 15.873 91 -0.02 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHE. ML:0.6 0.000018327827 0.1216 AML other m 2023-01-06T05:29:48.99
IV.CESI.HHE. ML:0.9 0.00008362458 0.08 AML other m 2023-01-06T05:29:49.42
IV.CESI.HNE. ML:0.9 0.00007851287999999999 0.08 AML other m 2023-01-06T05:29:49.42
IV.CESI.HHN. ML:0.9 0.00008444216 0.16 AML other m 2023-01-06T05:29:49.79
IV.CESI.HNN. ML:0.9 0.000082774475 0.16 AML other m 2023-01-06T05:29:49.72
IV.NRCA.HNE. ML:1.1 0.00009162139000000001 1.52 AML other m 2023-01-06T05:29:50.11
IV.NRCA.HNN. ML:1.5 0.00021912075000000001 0.4608 AML other m 2023-01-06T05:29:51.46
IV.NRCA.HHN. ML:1.0 0.00005755 0.1 AML other m 2023-01-06T05:29:51.45
IV.GAVE.HNE. ML:1.4 0.00016644712 1.8304 AML other m 2023-01-06T05:29:51.08
IV.GAVE.EHE. ML:1.4 0.0001645 0.16 AML other m 2023-01-06T05:29:52.08
IV.FDMO.HHN. ML:0.7 0.00002805086 1.7408 AML other m 2023-01-06T05:29:52.91
IV.ASSB.HHN. ML:0.9 0.00004567374 0.0608 AML other m 2023-01-06T05:29:52.07
IV.GAVE.EHN. ML:1.3 0.000135 0.16 AML other m 2023-01-06T05:29:52.45
IV.FDMO.HHE. ML:0.9 0.000049648959999999996 0.1408 AML other m 2023-01-06T05:29:52.51
IV.NRCA.HHE. ML:0.8 0.000047149999999999994 0.84 AML other m 2023-01-06T05:29:52.24
IV.GAVE.HNN. ML:1.5 0.00018896639999999997 0.6304 AML other m 2023-01-06T05:29:52.58
IV.ASSB.HHE. ML:0.9 0.00004323445 0.0768 AML other m 2023-01-06T05:29:53.13
IV.MML1.EHN. ML:0.6 0.000019979450000000004 0.1408 AML other m 2023-01-06T05:29:53.50
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