Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 25-10-2023 and time 17:10:54 (Italy) in region 2 km W Serra San Quirico (AN)

A magnitude ML 0.6 earthquake occured in region: 2 km W Serra San Quirico (AN), on

  • 25-10-2023 15:10:54 (UTC)
  • 25-10-2023 17:10:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4380, 12.9880 at 3 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.

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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
Serra San Quirico AN 3 2850 2850
Genga AN 4 1797 4647
Mergo AN 6 1037 5684
Arcevia AN 8 4612 10296
Rosora AN 8 1985 12281
Castelplanio AN 10 3540 15821
Poggio San Vicino MC 10 246 16067
Sassoferrato AN 10 7285 23352
Cupramontana AN 10 4756 28108
Poggio San Marcello AN 11 693 28801
Maiolati Spontini AN 12 6248 35049
Montecarotto AN 12 1987 37036
Serra de' Conti AN 12 3746 40782
Apiro MC 13 2280 43062
Cerreto d'Esi AN 13 3817 46879
Fabriano AN 13 31480 78359
Monte Roberto AN 13 3061 81420
Castelbellino AN 14 4947 86367
San Paolo di Jesi AN 15 933 87300
Staffolo AN 16 2253 89553
Barbara AN 16 1368 90921
Pergola PU 19 6333 97254
Serra Sant'Abbondio PU 19 1027 98281
San Lorenzo in Campo PU 19 3414 101695
Castelleone di Suasa AN 19 1676 103371
Ostra Vetere AN 19 3311 106682
Cingoli MC 20 10352 117034

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km S of Fano (60888 inhabitants)
47 Km W of Ancona (100861 inhabitants)
53 Km S of Pesaro (94582 inhabitants)
58 Km NE of Foligno (57155 inhabitants)
61 Km NE of Perugia (166134 inhabitants)
77 Km SE of Rimini (147750 inhabitants)
89 Km E of Arezzo (99543 inhabitants)
98 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 2023-10-25
15:10:54		 43.4383 12.9882 3 2023-10-25
15:41:00		 Sala Sismica INGV-Roma 122384531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-25 15:10:54 ± 0.15
Latitude 43.4383 ± 0.0072
Longitude 12.9882 ± 0.0099
Depth (km) 3 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122384531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 788
Semi-minor axis of confidence ellipse (meter) 639
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 46
Circular confidence region, given by single value of horizontal uncertainty (meter) 790.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 13
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) 0.00719
Epicentral distance of station farthest from the epicenter (degree) 0.40829
Number of stations at which the event was observed 8
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 4
Type of magnitude ML
Reference to an origin 122384531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-25 15:41:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2023-10-25T15:11:03.25 0.6 undecidable manual S 293 22.8549 98 0.41 45
IV.SNTG.HHZ. 2023-10-25T15:11:02.31 0.3 undecidable manual S 191 20.6682 98 0.22 71
IV.NARO.HHZ. 2023-10-25T15:11:02.59 0.1 undecidable manual P 300 37.9287 95 0.13 93
IV.FDMO.HHZ. 2023-10-25T15:11:02.58 3.0 undecidable manual P 45.3213 -1.34 0
IV.CING.HNE. 2023-10-25T15:11:01.80 0.3 undecidable manual S 113 18.0708 100 0.6 64
IV.EL6.EHE. 2023-10-25T15:11:00.43 0.3 undecidable manual S 143 15.1737 102 0.23 71
IV.FRON.EHZ. 2023-10-25T15:10:59.32 0.3 undecidable manual P 293 22.8549 98 -0.14 72
IV.CING.HNE. 2023-10-25T15:10:58.22 0.3 undecidable manual P 113 18.0708 100 -0.29 70
IV.SNTG.HHZ. 2023-10-25T15:10:58.72 0.3 undecidable manual P 191 20.6682 98 -0.3 70
IV.EL6.EHE. 2023-10-25T15:10:57.53 0.3 undecidable manual P 143 15.1737 102 -0.4 69
IV.ARVD.HHZ. 2023-10-25T15:10:57.92 0.3 undecidable manual S 331 7.5813 112 0.24 72
IV.ARVD.HHZ. 2023-10-25T15:10:56.33 0.1 undecidable manual P 331 7.5813 112 -0.15 98
IV.MMUR.HNZ. 2023-10-25T15:10:56.04 0.1 undecidable manual S 62 0.7992 165 0.1 100
IV.MMUR.HNZ. 2023-10-25T15:10:55.07 0.1 undecidable manual P 62 0.7992 165 -0.4 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARVD.HHN. ML:0.8 0.0001061 0.86 AML other m 2023-10-25T15:10:59.50
IV.ARVD.HHE. ML:0.9 0.00013450000000000002 1.24 AML other m 2023-10-25T15:10:59.30
IV.SNTG.HHE. ML:0.8 0.000047350000000000006 0.42 AML other m 2023-10-25T15:11:02.51
IV.SNTG.HHN. ML:0.7 0.000041099999999999996 0.54 AML other m 2023-10-25T15:11:05.48
IV.FRON.EHE. ML:0.6 0.000025768875000000005 0.1792 AML other m 2023-10-25T15:11:04.40
IV.FRON.EHN. ML:0.4 0.000018779914 0.1536 AML other m 2023-10-25T15:11:03.81
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