Earthquake with magnitude of ML 1.1 on date 25-07-2024 and time 22:18:50 (UTC) in region 6 km SW Sassoferrato (AN)

A magnitude ML 1.1 earthquake occured in region: 6 km SW Sassoferrato (AN), on

  • 25-07-2024 22:18:50 (UTC)
  • 26-07-2024 00:18:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4080, 12.7990 at 13 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 6 7285 7285
Costacciaro PG 9 1216 8501
Serra Sant'Abbondio PU 10 1027 9528
Sigillo PG 10 2404 11932
Scheggia e Pascelupo PG 11 1393 13325
Genga AN 11 1797 15122
Fabriano AN 12 31480 46602
Fossato di Vico PG 13 2840 49442
Frontone PU 13 1300 50742
Arcevia AN 15 4612 55354
Cantiano PU 16 2245 57599
Pergola PU 18 6333 63932
Cerreto d'Esi AN 18 3817 67749
Serra San Quirico AN 18 2850 70599
Gubbio PG 19 32216 102815
Gualdo Tadino PG 20 15208 118023
Cagli PU 20 8731 126754

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km NE of Perugia (166134 inhabitants)
51 Km N of Foligno (57155 inhabitants)
52 Km SW of Fano (60888 inhabitants)
57 Km S of Pesaro (94582 inhabitants)
63 Km W of Ancona (100861 inhabitants)
74 Km E of Arezzo (99543 inhabitants)
75 Km S of Rimini (147750 inhabitants)
93 Km SE of Cesena (96758 inhabitants)
95 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
Reviewed
Rev100
ML 1.1 2024-07-25
22:18:50
43.4075 12.7992 13 2024-07-25
22:32:04
Sala Sismica INGV-Roma 130174111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-07-25 22:18:50 ± 0.04
Latitude 43.4075 ± 0.0018
Longitude 12.7992 ± 0.0025
Depth (km) 13 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 130174111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 231
Semi-minor axis of confidence ellipse (meter) 100
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 54
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 176
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.03148
Epicentral distance of station farthest from the epicenter (degree) 0.25811
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 130174111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-07-25 22:32:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2024-07-25T22:19:00.78 0.6 undecidable manual S 322 28.6491 95 -0.09 49
IV.MPAG.EHZ. 2024-07-25T22:18:59.85 0.6 undecidable manual S 353 24.753 97 -0.01 50
IV.SNTG.HHZ. 2024-07-25T22:18:58.63 0.6 undecidable manual S 146 20.3685 101 -0.07 50
IV.ARVD.HHZ. 2024-07-25T22:18:57.30 0.6 undecidable manual S 49 15.2736 111 -0.08 50
IV.FRON.EHZ. 2024-07-25T22:18:56.91 0.6 undecidable manual S 334 13.5753 116 -0.06 50
IV.MPAG.EHZ. 2024-07-25T22:18:56.03 1.0 undecidable manual P 353 24.753 97 0.02 25
IV.NARO.HHZ. 2024-07-25T22:18:56.67 0.6 negative manual P 322 28.6491 95 0.08 49
IV.SSFR.HHZ. 2024-07-25T22:18:55.13 0.6 undecidable manual S 337 3.4965 160 -0.02 52
IV.SNTG.HHZ. 2024-07-25T22:18:55.33 0.6 negative manual P 146 20.3685 101 -0.01 50
IV.FRON.EHZ. 2024-07-25T22:18:54.35 0.6 undecidable manual P 334 13.5753 116 0.01 51
IV.ARVD.HHZ. 2024-07-25T22:18:54.67 0.1 positive manual P 49 15.2736 111 0.09 100
IV.SSFR.HHZ. 2024-07-25T22:18:53.38 0.6 undecidable manual P 337 3.4965 160 0.09 51
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSFR.HHN. ML:1.1 0.0001805 0.16 AML other m 2024-07-25T22:18:55.26
IV.SSFR.HHE. ML:1.0 0.0001545 0.82 AML other m 2024-07-25T22:18:55.57
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