Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 06-02-2023 and time 22:20:03 (UTC) in region 7 km W Sassoferrato (AN)

A magnitude ML 1.4 earthquake occured in region: 7 km W Sassoferrato (AN), on

  • 06-02-2023 22:20:03 (UTC)
  • 06-02-2023 23:20:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4230, 12.7700 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
Sassoferrato AN 7 7285 7285
Serra Sant'Abbondio PU 8 1027 8312
Costacciaro PG 8 1216 9528
Scheggia e Pascelupo PG 8 1393 10921
Sigillo PG 10 2404 13325
Frontone PU 11 1300 14625
Cantiano PU 13 2245 16870
Genga AN 13 1797 18667
Fossato di Vico PG 14 2840 21507
Fabriano AN 15 31480 52987
Arcevia AN 16 4612 57599
Pergola PU 17 6333 63932
Cagli PU 17 8731 72663
Gubbio PG 17 32216 104879

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km NE of Perugia (166134 inhabitants)
51 Km SW of Fano (60888 inhabitants)
52 Km N of Foligno (57155 inhabitants)
56 Km S of Pesaro (94582 inhabitants)
64 Km W of Ancona (100861 inhabitants)
72 Km E of Arezzo (99543 inhabitants)
73 Km S of Rimini (147750 inhabitants)
90 Km SE of Cesena (96758 inhabitants)
96 Km N of Terni (111501 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 1.4 2023-02-06
22:20:03		 43.4227 12.7703 10 2024-03-01
17:17:56		 Bollettino Sismico Italiano INGV 114735351
Reviewed
Rev100 		ML 1.5 2023-02-06
22:20:03		 43.4262 12.7782 13 2023-02-06
22:36:39		 Sala Sismica INGV-Roma 114190611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-06 22:20:03 ± 0.05
Latitude 43.4227 ± 0.0036
Longitude 12.7703 ± 0.0037
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 114735351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 366
Semi-minor axis of confidence ellipse (meter) 219
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 23
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
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 61
Number of defining phases 61
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.01619
Epicentral distance of station farthest from the epicenter (degree) 0.66370
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 33
Type of magnitude ML
Reference to an origin 114735351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-02-23 15:09:03

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 114190611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-06 22:36:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2023-02-06T22:20:27.20 0.6 undecidable manual S 131 73.6707 50 1.57 24
IV.MMO1.EHZ. 2023-02-06T22:20:26.29 0.6 undecidable manual S 142 73.4709 50 0.72 37
IV.CSP1.EHZ. 2023-02-06T22:20:19.74 0.3 undecidable manual S 136 50.8158 50 0.23 67
IV.FDMO.HHZ. 2023-02-06T22:20:19.46 0.3 undecidable manual S 149 49.9167 50 0.18 68
IV.CESI.HHZ. 2023-02-06T22:20:18.61 0.3 undecidable manual S 167 47.619 50 -0.05 70
IV.BADI.EHZ. 2023-02-06T22:20:17.93 0.3 undecidable manual S 283 43.4232 50 0.38 66
IV.MF5.EHZ. 2023-02-06T22:20:16.56 0.1 undecidable manual P 131 73.6707 50 0.37 83
IV.MMO1.EHZ. 2023-02-06T22:20:16.29 0.1 undecidable manual P 142 73.4709 50 0.14 87
IV.PE3.EHZ. 2023-02-06T22:20:16.53 0.6 undecidable manual S 324 37.4292 50 0.57 42
IV.CING.HHZ. 2023-02-06T22:20:15.21 0.3 undecidable manual S 99 34.6431 50 0.01 72
IV.MML1.EHZ. 2023-02-06T22:20:15.97 0.3 undecidable manual S 155 37.9287 50 -0.12 70
IV.COR1.EHZ. 2023-02-06T22:20:14.87 0.3 undecidable manual S 38 29.6481 50 1 53
IV.MURB.HHZ. 2023-02-06T22:20:13.52 0.3 undecidable manual S 228 26.5512 50 0.47 66
IV.NARO.HHZ. 2023-02-06T22:20:13.40 0.3 undecidable manual S 324 25.8519 50 0.54 65
IV.TB01.DHZ.01 2023-02-06T22:20:13.33 0.3 undecidable manual S 261 27.3504 50 0.07 72
IV.ATPI.EHZ. 2023-02-06T22:20:13.92 0.3 undecidable manual S 276 29.8479 50 0.01 73
IV.ATCC.EHZ. 2023-02-06T22:20:13.74 0.3 undecidable manual S 202 28.3494 50 0.21 70
IV.ATVO.HHZ. 2023-02-06T22:20:13.71 0.3 undecidable manual S 261 29.6481 50 -0.16 71
IV.EL6.EHZ. 2023-02-06T22:20:13.57 0.3 undecidable manual S 111 28.6491 50 -0.03 73
IV.TB03.DHZ.01 2023-02-06T22:20:13.70 0.3 undecidable manual S 265 29.1486 50 -0.02 73
IV.CSP1.EHZ. 2023-02-06T22:20:12.41 0.1 undecidable manual P 136 50.8158 50 -0.25 89
IV.FDMO.HHZ. 2023-02-06T22:20:12.08 0.1 undecidable manual P 149 49.9167 50 -0.44 85
IV.ATPC.HNZ. 2023-02-06T22:20:12.97 0.3 undecidable manual S 284 26.0517 50 0.06 72
IV.MPAG.EHZ. 2023-02-06T22:20:11.46 0.3 undecidable manual S 358 22.9548 114 -0.52 66
IV.SNTG.HHZ. 2023-02-06T22:20:11.88 0.3 undecidable manual S 144 23.1546 114 -0.17 71
IV.BADI.EHZ. 2023-02-06T22:20:11.36 0.1 undecidable manual P 283 43.4232 50 -0.16 92
IV.TSM2.DHZ.01 2023-02-06T22:20:11.71 0.3 undecidable manual S 263 22.755 114 -0.23 70
IV.CESI.HHZ. 2023-02-06T22:20:11.69 0.1 undecidable manual P 167 47.619 50 -0.48 85
IV.PIEI.HHZ. 2023-02-06T22:20:11.40 0.3 undecidable manual S 304 22.755 114 -0.52 66
IV.MML1.EHZ. 2023-02-06T22:20:10.14 0.1 undecidable manual P 155 37.9287 50 -0.54 85
IV.PE3.EHZ. 2023-02-06T22:20:10.37 0.1 undecidable manual P 324 37.4292 50 -0.24 91
IV.ATFO.HHZ. 2023-02-06T22:20:10.52 0.3 undecidable manual S 249 17.1717 121 0.31 70
IV.ATBU.HNZ. 2023-02-06T22:20:10.91 0.3 undecidable manual S 288 18.87 118 0.2 71
IV.ATCC.EHZ. 2023-02-06T22:20:09.02 0.1 undecidable manual P 202 28.3494 50 -0.18 94
IV.ATVO.HHZ. 2023-02-06T22:20:09.23 0.1 undecidable manual P 261 29.6481 50 -0.17 94
IV.ARVD.HHZ. 2023-02-06T22:20:09.75 0.3 undecidable manual S 59 16.0728 122 -0.15 72
IV.EL6.EHZ. 2023-02-06T22:20:09.04 0.1 undecidable manual P 111 28.6491 50 -0.2 93
IV.TB03.DHZ.01 2023-02-06T22:20:09.25 0.1 undecidable manual P 265 29.1486 50 -0.06 96
IV.NARO.HHZ. 2023-02-06T22:20:09.22 0.1 undecidable manual P 324 25.8519 50 0.41 90
IV.COR1.EHZ. 2023-02-06T22:20:09.50 0.1 undecidable manual P 38 29.6481 50 0.1 95
IV.ATPI.EHZ. 2023-02-06T22:20:09.28 0.1 undecidable manual P 276 29.8479 50 -0.14 94
IV.CING.HHZ. 2023-02-06T22:20:09.80 0.1 undecidable manual P 99 34.6431 50 -0.37 89
IV.FOSV.EHZ. 2023-02-06T22:20:09.65 0.3 undecidable manual S 183 14.1747 126 0.3 70
IV.TSM2.DHZ.01 2023-02-06T22:20:08.00 0.3 undecidable manual P 263 22.755 114 -0.29 70
IV.ATPC.HNZ. 2023-02-06T22:20:08.60 0.1 undecidable manual P 284 26.0517 50 -0.24 93
IV.ATSC.EHZ. 2023-02-06T22:20:08.17 0.3 undecidable manual S 271 6.7932 146 0.65 64
IV.MURB.HHZ. 2023-02-06T22:20:08.84 0.1 undecidable manual P 228 26.5512 50 -0.08 96
IV.FRON.EHZ. 2023-02-06T22:20:08.72 0.3 undecidable manual S 341 11.1777 132 0.2 72
IV.SNTG.HHZ. 2023-02-06T22:20:08.00 0.1 undecidable manual P 144 23.1546 114 -0.35 91
IV.TB01.DHZ.01 2023-02-06T22:20:08.92 0.1 undecidable manual P 261 27.3504 50 -0.12 95
IV.ATBU.HNZ. 2023-02-06T22:20:07.55 0.1 undecidable manual P 288 18.87 118 -0.03 99
IV.MMUR.HNE. 2023-02-06T22:20:07.91 0.3 undecidable manual P 83 18.3705 119 0.41 68
IV.SSFR.HHZ. 2023-02-06T22:20:07.52 0.3 undecidable manual S 32 1.7982 170 0.66 65
IV.PIEI.HHZ. 2023-02-06T22:20:07.77 0.1 undecidable manual P 304 22.755 114 -0.5 89
IV.MPAG.EHZ. 2023-02-06T22:20:07.84 0.1 undecidable manual P 358 22.9548 114 -0.47 89
IV.ATFO.HHZ. 2023-02-06T22:20:07.36 0.1 undecidable manual P 249 17.1717 121 0.07 98
IV.FRON.EHZ. 2023-02-06T22:20:06.29 0.1 undecidable manual P 341 11.1777 132 -0.02 100
IV.FOSV.EHZ. 2023-02-06T22:20:06.83 0.1 undecidable manual P 183 14.1747 126 0.04 99
IV.ARVD.HHZ. 2023-02-06T22:20:06.88 0.1 undecidable manual P 59 16.0728 122 -0.22 95
IV.ATSC.EHZ. 2023-02-06T22:20:06.04 0.1 undecidable manual P 271 6.7932 146 0.31 95
IV.SSFR.HHZ. 2023-02-06T22:20:05.71 0.1 undecidable manual P 32 1.7982 170 0.36 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSFR.HHN. ML:2.0 0.00196 0.34 AML other m 2023-02-06T22:20:07.90
IV.SSFR.HNN. ML:2.3 0.0034100000000000003 0.34 AML other m 2023-02-06T22:20:07.91
IV.SSFR.HHE. ML:1.8 0.00124 1.22 AML other m 2023-02-06T22:20:08.21
IV.SSFR.HNE. ML:2.0 0.001805 1.34 AML other m 2023-02-06T22:20:08.21
IV.FRON.EHE. ML:1.2 0.00016549999999999998 1.08 AML other m 2023-02-06T22:20:08.78
IV.FOSV.EHE. ML:1.2 0.00016949999999999997 0.4 AML other m 2023-02-06T22:20:09.69
IV.FOSV.EHN. ML:1.2 0.00017549999999999998 1.6 AML other m 2023-02-06T22:20:09.80
IV.ARVD.HHE. ML:1.1 0.00010439999999999999 1.3 AML other m 2023-02-06T22:20:10.13
IV.ARVD.HHN. ML:1.0 0.0000788 1.02 AML other m 2023-02-06T22:20:10.39
IV.FRON.EHN. ML:1.3 0.00023649999999999998 0.64 AML other m 2023-02-06T22:20:10.52
IV.ATFO.HHN. ML:1.3 0.000186 0.26 AML other m 2023-02-06T22:20:10.67
IV.PIEI.HHE. ML:1.3 0.00014250000000000002 0.78 AML other m 2023-02-06T22:20:11.20
IV.MPAG.EHN. ML:1.6 0.00023299999999999997 0.18 AML other m 2023-02-06T22:20:11.63
IV.MPAG.EHE. ML:1.7 0.0003125 0.12 AML other m 2023-02-06T22:20:11.59
IV.ATFO.HHE. ML:1.4 0.000201 0.16 AML other m 2023-02-06T22:20:11.71
IV.PIEI.HHN. ML:1.1 0.0000769 0.12 AML other m 2023-02-06T22:20:12.17
IV.SNTG.HHE. ML:1.3 0.0001245 0.5 AML other m 2023-02-06T22:20:12.66
IV.SNTG.HHN. ML:1.2 0.0001115 1.48 AML other m 2023-02-06T22:20:13.76
IV.NARO.HHN. ML:1.4 0.00015350000000000002 0.52 AML other m 2023-02-06T22:20:13.76
IV.NARO.HHE. ML:1.4 0.00014800000000000002 0.08 AML other m 2023-02-06T22:20:13.75
IV.MURB.HHN. ML:1.8 0.00035350000000000003 0.32 AML other m 2023-02-06T22:20:13.85
IV.ATVO.HHN. ML:1.5 0.0001525 1.78 AML other m 2023-02-06T22:20:13.02
IV.MURB.HHE. ML:1.9 0.0004805 1.7 AML other m 2023-02-06T22:20:13.12
IV.ATVO.HHE. ML:1.5 0.0001665 0.18 AML other m 2023-02-06T22:20:14.02
IV.ATPI.EHN. ML:1.4 0.00013615 0.38 AML other m 2023-02-06T22:20:14.27
IV.ATPI.EHE. ML:1.6 0.000169 0.32 AML other m 2023-02-06T22:20:14.24
IV.BADI.EHN. ML:1.5 0.0000886 0.18 AML other m 2023-02-06T22:20:18.62
IV.FDMO.HHE. ML:1.4 0.000059300000000000005 1.56 AML other m 2023-02-06T22:20:19.06
IV.FDMO.HHN. ML:1.3 0.00005605 1.86 AML other m 2023-02-06T22:20:19.99
IV.BADI.EHE. ML:1.1 0.00003864373999999999 0.1408 AML other m 2023-02-06T22:20:18.46
IV.MML1.EHE. ML:1.1 0.00004628575 0.1792 AML other m 2023-02-06T22:20:16.90
IV.MML1.EHN. ML:1.2 0.00005307049 0.1792 AML other m 2023-02-06T22:20:16.45
IV.CESI.HHE. ML:1.3 0.000048967955 0.192 AML other m 2023-02-06T22:20:19.71
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