Earthquake with magnitude of ML 0.6 on date 29-10-2023 and time 21:56:27 (Italy) in region 5 km NW Sassoferrato (AN)

A magnitude ML 0.6 earthquake occured in region: 5 km NW Sassoferrato (AN), on

  • 29-10-2023 20:56:27 (UTC)
  • 29-10-2023 21:56:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4750, 12.8350 at 16 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Sassoferrato AN 5 7285 7285
Serra Sant'Abbondio PU 5 1027 8312
Frontone PU 9 1300 9612
Arcevia AN 9 4612 14224
Genga AN 10 1797 16021
Pergola PU 10 6333 22354
Serra San Quirico AN 15 2850 25204
Scheggia e Pascelupo PG 16 1393 26597
Costacciaro PG 16 1216 27813
Fabriano AN 16 31480 59293
Mergo AN 16 1037 60330
Cantiano PU 17 2245 62575
Cagli PU 17 8731 71306
San Lorenzo in Campo PU 17 3414 74720
Sigillo PG 18 2404 77124
Serra de' Conti AN 18 3746 80870
Fratte Rosa PU 18 966 81836
Castelleone di Suasa AN 19 1676 83512
Rosora AN 19 1985 85497
Montecarotto AN 20 1987 87484
Barbara AN 20 1368 88852

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km SW of Fano (60888 inhabitants)
49 Km S of Pesaro (94582 inhabitants)
55 Km NE of Perugia (166134 inhabitants)
58 Km W of Ancona (100861 inhabitants)
59 Km N of Foligno (57155 inhabitants)
69 Km SE of Rimini (147750 inhabitants)
77 Km E of Arezzo (99543 inhabitants)
88 Km SE of Cesena (96758 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
Reviewed
Rev100
ML 0.6 2023-10-29
20:56:27
43.4747 12.8348 16 2023-10-29
21:01:54
Sala Sismica INGV-Roma 122556861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-29 20:56:27 ± 0.06
Latitude 43.4747 ± 0.0027
Longitude 12.8348 ± 0.0037
Depth (km) 16 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122556861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 287
Semi-minor axis of confidence ellipse (meter) 98
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 48
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.06
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.16368
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 122556861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-29 21:01:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPAG.EHZ. 2023-10-29T20:56:35.08 0.1 undecidable manual S 341 18.1707 121 0.02 98
IV.FRON.EHZ. 2023-10-29T20:56:33.33 0.3 undecidable manual S 299 9.9789 142 -0.08 74
IV.ARVD.HHZ. 2023-10-29T20:56:33.28 0.3 undecidable manual S 73 8.9799 145 0.04 75
IV.NARO.HHZ. 2023-10-29T20:56:32.69 1.0 positive manual P 0.04 0.5
IV.FOSV.EHZ. 2023-10-29T20:56:32.15 0.6 positive manual P -0.27 1
IV.SSFR.HHZ. 2023-10-29T20:56:32.82 0.3 undecidable manual S 225 5.994 155 -0.03 75
IV.PIEI.HHZ. 2023-10-29T20:56:32.73 0.6 undecidable manual Pg 0.16 1
IV.MPAG.EHZ. 2023-10-29T20:56:31.78 0.1 undecidable manual P 341 18.1707 121 -0.01 99
IV.SSFR.HHZ. 2023-10-29T20:56:30.55 0.1 undecidable manual P 225 5.994 155 0.04 100
IV.FRON.EHZ. 2023-10-29T20:56:30.93 0.1 undecidable manual P 299 9.9789 142 0.1 98
IV.ARVD.HHZ. 2023-10-29T20:56:30.63 0.3 undecidable manual P 73 8.9799 145 -0.1 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSFR.HHN. ML:0.6 0.000046949999999999996 1.7 AML other m 2023-10-29T20:56:32.86
IV.ARVD.HHN. ML:0.6 0.000039599999999999994 0.44 AML other m 2023-10-29T20:56:33.56
IV.SSFR.HHE. ML:0.3 0.000022449999999999997 0.6 AML other m 2023-10-29T20:56:33.43
IV.ARVD.HHE. ML:0.5 0.000029150000000000004 0.92 AML other m 2023-10-29T20:56:33.36
IV.MPAG.EHE. ML:0.6 0.000028749999999999997 0.1 AML other m 2023-10-29T20:56:35.18
IV.MPAG.EHN. ML:0.6 0.000023 1.04 AML other m 2023-10-29T20:56:35.19
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