Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 04-12-2022 and time 05:46:30 (Italy) in region 7 km W Sassoferrato (AN)

A magnitude ML 1.5 earthquake occured in region: 7 km W Sassoferrato (AN), on

  • 04-12-2022 04:46:30 (UTC)
  • 04-12-2022 05:46:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4190, 12.7730 at 12 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 9 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 14 31480 52987
Arcevia AN 16 4612 57599
Pergola PU 17 6333 63932
Gubbio PG 17 32216 96148
Cagli PU 18 8731 104879
Serra San Quirico AN 20 2850 107729

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)
91 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 1.5 2022-12-04
04:46:30		 43.4187 12.773 12 2024-03-01
15:28:10		 Bollettino Sismico Italiano INGV 112779731
Reviewed
Rev100 		ML 1.5 2022-12-04
04:46:30		 43.4188 12.7597 13 2022-12-04
05:38:52		 Sala Sismica INGV-Roma 112485441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-04 04:46:30 ± 0.06
Latitude 43.4187 ± 0.0036
Longitude 12.7730 ± 0.0037
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 112779731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 349
Semi-minor axis of confidence ellipse (meter) 142
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 179
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.01889
Epicentral distance of station farthest from the epicenter (degree) 0.27070
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 112779731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-12-13 09:25:47

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 112485441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-04 05:38:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATPI.HNZ. 2022-12-04T04:46:41.07 0.3 undecidable manual S 277 30.0477 94 0.16 70
IV.EL6.EHZ. 2022-12-04T04:46:40.38 0.3 undecidable manual S 110 28.2495 95 -0.05 71
IV.ATPC.HHZ. 2022-12-04T04:46:40.29 0.1 undecidable manual S 285 26.3514 95 0.37 90
IV.ATVO.HHZ. 2022-12-04T04:46:40.54 0.3 undecidable manual S 262 29.8479 94 -0.3 68
IV.ATCC.EHZ. 2022-12-04T04:46:40.51 0.3 undecidable manual S 203 28.0497 95 0.14 70
IV.MPAG.EHZ. 2022-12-04T04:46:39.08 0.1 undecidable manual S 357 23.3544 97 -0.05 95
IV.PIEI.HHZ. 2022-12-04T04:46:38.66 0.3 undecidable manual S 304 23.1546 97 -0.4 67
IV.ARVD.HHZ. 2022-12-04T04:46:37.30 0.1 undecidable manual S 57 16.1727 106 0.06 98
IV.ATCC.EHZ. 2022-12-04T04:46:36.06 0.1 undecidable manual P 203 28.0497 95 -0.1 95
IV.FRON.EHZ. 2022-12-04T04:46:36.08 0.1 undecidable manual S 341 11.6772 121 -0.05 97
IV.EL6.EHZ. 2022-12-04T04:46:36.42 0.3 undecidable manual P 110 28.2495 95 0.22 70
IV.FOSV.EHZ. 2022-12-04T04:46:36.40 0.1 undecidable manual S 184 13.7751 113 -0.23 94
IV.ATPI.HNZ. 2022-12-04T04:46:36.39 0.1 undecidable manual P 277 30.0477 94 -0.08 95
IV.ATVO.HHZ. 2022-12-04T04:46:36.44 0.3 undecidable manual P 262 29.8479 94 0.01 72
IV.PIEI.HHZ. 2022-12-04T04:46:35.12 0.1 undecidable manual P 304 23.1546 97 -0.29 92
IV.MURB.HNZ. 2022-12-04T04:46:35.80 0.3 undecidable manual P 229 26.4513 95 -0.11 71
IV.ATPC.HHZ. 2022-12-04T04:46:35.89 0.1 undecidable manual P 285 26.3514 95 -0.01 97
IV.MPAG.EHZ. 2022-12-04T04:46:35.39 0.1 positive manual P 357 23.3544 97 -0.05 95
IV.ATSC.EHZ. 2022-12-04T04:46:35.17 0.3 undecidable manual S 275 6.993 141 -0.03 74
IV.SNTG.HHZ. 2022-12-04T04:46:35.44 0.3 undecidable manual P 143 22.6551 97 0.11 72
IV.ATFO.HHZ. 2022-12-04T04:46:35.05 0.3 undecidable manual P 250 17.2716 104 0.54 66
IV.SSFR.HHZ. 2022-12-04T04:46:34.83 0.1 undecidable manual S 21 2.0979 168 0.2 99
IV.ARVD.HHZ. 2022-12-04T04:46:34.38 0.1 undecidable manual P 57 16.1727 106 0.03 98
IV.ATSC.EHZ. 2022-12-04T04:46:33.23 0.1 undecidable manual P 275 6.993 141 0.06 100
IV.SSFR.HHZ. 2022-12-04T04:46:33.02 0.1 negative manual P 21 2.0979 168 0.17 99
IV.FRON.EHZ. 2022-12-04T04:46:33.70 0.1 undecidable manual P 341 11.6772 121 -0.01 98
IV.FOSV.EHZ. 2022-12-04T04:46:33.89 0.1 positive manual P 184 13.7751 113 -0.11 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSFR.HHN. ML:1.4 0.0003985 0.16 AML other m 2022-12-04T04:46:35.12
IV.SSFR.HNN. ML:1.7 0.0007804999999999999 0.14 AML other m 2022-12-04T04:46:35.11
IV.SSFR.HNE. ML:1.6 0.000608 1.54 AML other m 2022-12-04T04:46:35.20
IV.SSFR.HHE. ML:1.4 0.000371 1.14 AML other m 2022-12-04T04:46:35.20
IV.FRON.EHE. ML:1.6 0.00040300000000000004 0.1 AML other m 2022-12-04T04:46:36.22
IV.FRON.EHN. ML:1.5 0.000324 0.82 AML other m 2022-12-04T04:46:36.63
IV.ARVD.HHN. ML:1.1 0.00011125 0.48 AML other m 2022-12-04T04:46:37.65
IV.ARVD.HHE. ML:1.3 0.00016299999999999998 0.58 AML other m 2022-12-04T04:46:37.42
IV.MURB.HHE. ML:1.8 0.0003135 0.28 AML other m 2022-12-04T04:46:40.95
IV.MURB.HHN. ML:1.7 0.00026450000000000003 0.78 AML other m 2022-12-04T04:46:40.92
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