Earthquake with magnitude of ML 0.2 on date 29-10-2023 and time 16:16:31 (UTC) in region 5 km NW Sassoferrato (AN)

A magnitude ML 0.2 earthquake occured in region: 5 km NW Sassoferrato (AN), on

  • 29-10-2023 16:16:31 (UTC)
  • 29-10-2023 17:16:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4740, 12.8280 at 15 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 8 1300 9612
Arcevia AN 10 4612 14224
Genga AN 10 1797 16021
Pergola PU 10 6333 22354
Scheggia e Pascelupo PG 15 1393 23747
Serra San Quirico AN 15 2850 26597
Costacciaro PG 16 1216 27813
Cantiano PU 16 2245 30058
Fabriano AN 17 31480 61538
Cagli PU 17 8731 70269
Mergo AN 17 1037 71306
San Lorenzo in Campo PU 17 3414 74720
Sigillo PG 17 2404 77124
Fratte Rosa PU 19 966 78090
Serra de' Conti AN 19 3746 81836
Castelleone di Suasa AN 19 1676 83512
Rosora AN 20 1985 85497
Barbara AN 20 1368 86865

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km SW of Fano (60888 inhabitants)
49 Km S of Pesaro (94582 inhabitants)
54 Km NE of Perugia (166134 inhabitants)
58 Km W of Ancona (100861 inhabitants)
58 Km N of Foligno (57155 inhabitants)
69 Km SE of Rimini (147750 inhabitants)
76 Km E of Arezzo (99543 inhabitants)
87 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 0.2 2023-10-29
16:16:31
43.4743 12.8277 15 2023-10-29
16:23:36
Sala Sismica INGV-Roma 122552561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-29 16:16:31 ± 0.14
Latitude 43.4743 ± 0.0054
Longitude 12.8277 ± 0.0050
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122552561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 488
Semi-minor axis of confidence ellipse (meter) 370
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 15
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 127
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.22483
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.2

Field Value
Value 0.2
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 122552561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-29 16:23:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BRSN.HNZ. 2023-10-29T16:16:49.26 3.0 negative manual P -0.01 0
IV.FOSV.EHZ. 2023-10-29T16:16:39.90 0.3 undecidable manual S 195 20.6682 113 0.07 73
IV.ARVD.HHZ. 2023-10-29T16:16:37.40 0.1 undecidable manual S 74 9.5793 141 -0.05 100
IV.FRON.EHZ. 2023-10-29T16:16:37.43 0.3 undecidable manual S 300 9.4794 141 -0.01 75
IV.FOSV.EHZ. 2023-10-29T16:16:36.19 0.6 positive manual P 195 20.6682 113 -0.17 48
IV.NARO.HHZ. 2023-10-29T16:16:36.96 0.3 undecidable manual P 307 24.9528 108 -0.03 73
IV.FRON.EHZ. 2023-10-29T16:16:35.02 0.1 undecidable manual P 300 9.4794 141 0.04 100
IV.ARVD.HHZ. 2023-10-29T16:16:35.09 0.3 undecidable manual P 74 9.5793 141 0.1 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FRON.EHE. ML:0.0 0.000009962957 0.0768 AML other m 2023-10-29T16:16:37.80
IV.FRON.EHN. ML:0.0 0.000009360865000000003 0.064 AML other m 2023-10-29T16:16:37.81
IV.ARVD.HHE. ML:0.3 0.000022009355 0.128 AML other m 2023-10-29T16:16:37.64
IV.ARVD.HHN. ML:0.3 0.00002240976 0.1408 AML other m 2023-10-29T16:16:37.65
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