Earthquake with magnitude of ML 0.4 on date 25-08-2023 and time 14:00:22 (UTC) in region 1 km E Cantiano (PU)

A magnitude ML 0.4 earthquake occured in region: 1 km E Cantiano (PU), on

  • 25-08-2023 14:00:22 (UTC)
  • 25-08-2023 16:00:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4730, 12.6420 at 14 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
Cantiano PU 1 2245 2245
Scheggia e Pascelupo PG 8 1393 3638
Cagli PU 8 8731 12369
Frontone PU 9 1300 13669
Serra Sant'Abbondio PU 11 1027 14696
Costacciaro PG 14 1216 15912
Gubbio PG 14 32216 48128
Acqualagna PU 16 4393 52521
Piobbico PU 17 2029 54550
Pietralunga PG 17 2111 56661
Sigillo PG 18 2404 59065
Sassoferrato AN 18 7285 66350
Pergola PU 19 6333 72683

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km NE of Perugia (166134 inhabitants)
51 Km SW of Fano (60888 inhabitants)
53 Km SW of Pesaro (94582 inhabitants)
58 Km N of Foligno (57155 inhabitants)
61 Km E of Arezzo (99543 inhabitants)
66 Km S of Rimini (147750 inhabitants)
73 Km W of Ancona (100861 inhabitants)
81 Km SE of Cesena (96758 inhabitants)
96 Km SE of Forlì (117913 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 0.4 2023-08-25
14:00:22
43.4728 12.642 14 2023-08-25
14:34:52
Sala Sismica INGV-Roma 120467001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-25 14:00:22 ± 0.1
Latitude 43.4728 ± 0.0027
Longitude 12.6420 ± 0.0050
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120467001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 450
Semi-minor axis of confidence ellipse (meter) 38
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 120
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 141
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.17807
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:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 120467001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-25 14:34:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPAG.EHZ. 2023-08-25T14:00:30.31 0.6 undecidable manual S 29 19.7691 107 -0.1 49
IV.TSM1.DHZ.01 2023-08-25T14:00:29.13 0.6 undecidable manual S 194 14.5743 119 0 50
IV.NARO.HHZ. 2023-08-25T14:00:29.49 0.6 undecidable manual S 342 16.0728 115 0 50
IV.TSM2.DHZ. 2023-08-25T14:00:29.24 0.6 undecidable manual S 235 14.874 118 0.03 50
IV.PIEI.HHZ. 2023-08-25T14:00:28.42 0.3 undecidable manual S 309 11.0778 130 0.06 74
IV.MPAG.EHZ. 2023-08-25T14:00:27.06 1.0 undecidable manual P 29 19.7691 107 -0.03 25
IV.FRON.EHZ. 2023-08-25T14:00:27.65 0.6 undecidable manual S 53 8.3805 140 -0.2 48
IV.ATFO.HHZ. 2023-08-25T14:00:26.17 0.1 undecidable manual P -0.03 1.6
IV.TSM2.DHZ. 2023-08-25T14:00:26.43 0.1 undecidable manual P 235 14.874 118 0.03 99
IV.TSM1.DHZ.01 2023-08-25T14:00:26.20 0.1 undecidable manual P 194 14.5743 119 -0.16 97
IV.NARO.HHZ. 2023-08-25T14:00:26.50 0.3 undecidable manual P 342 16.0728 115 -0.06 74
IV.PIEI.HHZ. 2023-08-25T14:00:25.93 0.1 negative manual P 309 11.0778 130 0.02 100
IV.FRON.EHZ. 2023-08-25T14:00:25.86 0.1 undecidable manual P 53 8.3805 140 0.25 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FRON.EHE. ML:0.4 0.00003155 0.16 AML other m 2023-08-25T14:00:27.68
IV.FRON.EHN. ML:0.4 0.000030600000000000005 0.16 AML other m 2023-08-25T14:00:27.82
IV.PIEI.HHN. ML:0.4 0.0000234 0.08 AML other m 2023-08-25T14:00:28.50
IV.PIEI.HHE. ML:0.7 0.000044899999999999994 0.14 AML other m 2023-08-25T14:00:28.66
IV.NARO.HHE. ML:0.5 0.0000269 0.18 AML other m 2023-08-25T14:00:29.75
IV.NARO.HHN. ML:0.4 0.0000222 0.92 AML other m 2023-08-25T14:00:30.42
IV.MPAG.EHE. ML:0.2 0.000009486003 0.1216 AML other m 2023-08-25T14:00:30.45
IV.MPAG.EHN. ML:0.2 0.000008226830000000001 0.0832 AML other m 2023-08-25T14:00:30.48
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