Earthquake with magnitude of ML 0.8 on date 24-07-2023 and time 14:44:24 (UTC) in region 7 km SW Sassoferrato (AN)

A magnitude ML 0.8 earthquake occured in region: 7 km SW Sassoferrato (AN), on

  • 24-07-2023 14:44:24 (UTC)
  • 24-07-2023 16:44:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3880, 12.8010 at 11 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 7 7285 7285
Sigillo PG 8 2404 9689
Costacciaro PG 8 1216 10905
Fabriano AN 10 31480 42385
Fossato di Vico PG 11 2840 45225
Scheggia e Pascelupo PG 11 1393 46618
Serra Sant'Abbondio PU 12 1027 47645
Genga AN 12 1797 49442
Frontone PU 15 1300 50742
Cerreto d'Esi AN 17 3817 54559
Arcevia AN 17 4612 59171
Cantiano PU 17 2245 61416
Gualdo Tadino PG 17 15208 76624
Gubbio PG 18 32216 108840
Serra San Quirico AN 19 2850 111690
Esanatoglia MC 19 2034 113724
Pergola PU 20 6333 120057

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km NE of Perugia (166134 inhabitants)
49 Km N of Foligno (57155 inhabitants)
54 Km SW of Fano (60888 inhabitants)
59 Km S of Pesaro (94582 inhabitants)
63 Km W of Ancona (100861 inhabitants)
75 Km E of Arezzo (99543 inhabitants)
77 Km S of Rimini (147750 inhabitants)
93 Km N of Terni (111501 inhabitants)
95 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 0.8 2023-07-24
14:44:24
43.3875 12.8013 11 2023-07-24
14:54:23
Sala Sismica INGV-Roma 119537881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-24 14:44:24 ± 0.05
Latitude 43.3875 ± 0.0027
Longitude 12.8013 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119537881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 319
Semi-minor axis of confidence ellipse (meter) 307
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 5
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.05036
Epicentral distance of station farthest from the epicenter (degree) 0.27429
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 119537881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-24 14:54:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHE. 2023-07-24T14:44:33.49 0.3 undecidable manual S 105 25.0527 50 0.01 73
IV.SNTG.HNZ. 2023-07-24T14:44:31.51 0.6 undecidable manual S 143 18.4704 120 -0.12 48
IV.NARO.HHZ. 2023-07-24T14:44:30.25 1.0 positive manual P 324 30.4473 50 -0.16 23
IV.TSM1.DHZ.01 2023-07-24T14:44:30.98 0.6 undecidable manual S 254 17.0718 122 -0.23 47
IV.EL6.EHE. 2023-07-24T14:44:29.60 0.6 undecidable manual P 105 25.0527 50 0.03 49
IV.MPAG.EHZ. 2023-07-24T14:44:29.86 1.0 negative manual P 353 27.0507 50 -0.01 24
IV.ATCC.EHZ. 2023-07-24T14:44:29.64 0.1 positive manual P 210 25.9518 50 -0.07 96
IV.ATSC.EHZ. 2023-07-24T14:44:29.23 0.3 undecidable manual S 294 10.0788 136 -0.09 74
IV.FOSV.EHZ. 2023-07-24T14:44:29.39 0.3 undecidable manual S 198 10.7781 135 -0.09 74
IV.SNTG.HNZ. 2023-07-24T14:44:28.56 0.1 undecidable manual P 143 18.4704 120 0.05 98
IV.ARVD.HHZ. 2023-07-24T14:44:28.11 0.3 undecidable manual P 43 16.6722 123 -0.08 73
IV.TSM5.DHZ.10 2023-07-24T14:44:28.30 1.0 undecidable manual P 303 18.9699 119 -0.29 23
IV.SSFR.HHZ. 2023-07-24T14:44:28.42 0.3 undecidable manual S 344 5.5944 152 0.02 75
IV.TSM1.DHZ.01 2023-07-24T14:44:28.68 0.1 undecidable manual P 254 17.0718 122 0.42 91
IV.ATSC.EHZ. 2023-07-24T14:44:27.16 0.1 undecidable manual P 294 10.0788 136 -0.01 100
IV.FOSV.EHZ. 2023-07-24T14:44:27.27 1.0 undecidable manual P 198 10.7781 135 0.01 25
IV.FRON.EHZ. 2023-07-24T14:44:27.89 0.6 positive manual P 337 15.6732 124 -0.13 48
IV.SSFR.HHZ. 2023-07-24T14:44:26.77 0.1 undecidable manual P 344 5.5944 152 0.13 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHN. ML:0.6 0.00005235 0.1 AML other m 2023-07-24T14:44:29.59
IV.FOSV.EHE. ML:0.6 0.0000426 0.06 AML other m 2023-07-24T14:44:29.59
IV.FRON.EHE. ML:1.0 0.0000924 0.16 AML other m 2023-07-24T14:44:30.70
IV.FRON.EHN. ML:0.9 0.0000704 0.32 AML other m 2023-07-24T14:44:30.68
IV.ARVD.HHE. ML:0.8 0.0000577 0.12 AML other m 2023-07-24T14:44:31.01
IV.ARVD.HHN. ML:0.5 0.0000276 1.72 AML other m 2023-07-24T14:44:31.10
IV.MPAG.EHN. ML:0.8 0.0000285 0.2 AML other m 2023-07-24T14:44:33.89
IV.MPAG.EHE. ML:0.8 0.0000327 0.4 AML other m 2023-07-24T14:44:34.20
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