Earthquake with magnitude of ML 0.5 on date 31-12-2023 and time 08:41:51 (Italy) in region 6 km W Cantiano (PU)

A magnitude ML 0.5 earthquake occured in region: 6 km W Cantiano (PU), on

  • 31-12-2023 07:41:51 (UTC)
  • 31-12-2023 08:41:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4600, 12.5550 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
Cantiano PU 6 2245 2245
Pietralunga PG 10 2111 4356
Scheggia e Pascelupo PG 11 1393 5749
Gubbio PG 12 32216 37965
Cagli PU 12 8731 46696
Piobbico PU 15 2029 48725
Apecchio PU 16 1882 50607
Frontone PU 16 1300 51907
Costacciaro PG 17 1216 53123
Serra Sant'Abbondio PU 18 1027 54150
Acqualagna PU 20 4393 58543

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km NE of Perugia (166134 inhabitants)
54 Km E of Arezzo (99543 inhabitants)
57 Km SW of Fano (60888 inhabitants)
57 Km N of Foligno (57155 inhabitants)
58 Km SW of Pesaro (94582 inhabitants)
67 Km S of Rimini (147750 inhabitants)
79 Km SE of Cesena (96758 inhabitants)
80 Km W of Ancona (100861 inhabitants)
94 Km SE of Forlì (117913 inhabitants)
100 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 0.5 2023-12-31
07:41:51
43.4602 12.5553 11 2023-12-31
07:47:07
Sala Sismica INGV-Roma 124371201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-31 07:41:51 ± 0.04
Latitude 43.4602 ± 0.0018
Longitude 12.5553 ± 0.0025
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 124371201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 160
Semi-minor axis of confidence ellipse (meter) 141
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 321
Circular confidence region, given by single value of horizontal uncertainty (meter) 160.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.07
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 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 124371201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-31 07:47:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GUMA.HHZ. 2023-12-31T07:42:03.22 3.0 negative manual P 0 0
IV.MPAG.HNN. 2023-12-31T07:42:00.30 0.6 undecidable manual S 41 24.9528 50 0.09 48
IV.FRON.EHZ. 2023-12-31T07:41:57.42 0.6 undecidable manual S 65 15.1737 125 -0.01 50
IV.NARO.HHZ. 2023-12-31T07:41:57.81 0.6 undecidable manual S 7 16.872 122 -0.11 48
IV.ATPI.EHZ. 2023-12-31T07:41:56.61 0.6 undecidable manual S 265 12.3765 131 -0.06 49
IV.ATSC.EHE. 2023-12-31T07:41:56.42 0.6 undecidable manual S 111 11.2776 133 0.03 50
IV.ATFO.HHZ. 2023-12-31T07:41:56.03 0.6 undecidable manual S 173 10.4784 135 -0.16 48
IV.MPAG.HNN. 2023-12-31T07:41:56.23 0.1 undecidable manual P 41 24.9528 50 -0.09 96
IV.ATPC.HNN. 2023-12-31T07:41:55.78 0.6 undecidable manual S 286 8.1807 142 0.1 49
IV.PIEI.HNE. 2023-12-31T07:41:55.65 0.6 undecidable manual S 349 8.4804 141 -0.09 49
IV.ATFO.HHZ. 2023-12-31T07:41:54.00 0.1 undecidable manual P 173 10.4784 135 0 100
IV.ATPI.EHZ. 2023-12-31T07:41:54.24 0.6 undecidable manual P 265 12.3765 131 -0.04 49
IV.FRON.EHZ. 2023-12-31T07:41:54.76 0.3 positive manual P 65 15.1737 125 0.05 74
IV.ATSC.EHE. 2023-12-31T07:41:54.17 0.1 undecidable manual P 111 11.2776 133 0.05 99
IV.NARO.HHZ. 2023-12-31T07:41:54.98 0.1 undecidable manual P 7 16.872 122 -0.02 99
IV.PIEI.HNE. 2023-12-31T07:41:53.79 0.1 undecidable manual P 349 8.4804 141 0.05 99
IV.ATPC.HNN. 2023-12-31T07:41:53.78 0.1 undecidable manual P 286 8.1807 142 0.08 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.EHE. ML:0.4 0.000029320315 0.1408 AML other m 2023-12-31T07:41:56.84
IV.ATPI.EHN. ML:0.5 0.000036648985 0.1408 AML other m 2023-12-31T07:41:56.68
IV.ATPI.HNE. ML:0.9 0.000085716345 0.6592 AML other m 2023-12-31T07:42:04.73
IV.ATPI.HNN. ML:1.1 0.00014664755000000002 1.0304 AML other m 2023-12-31T07:41:57.62
IV.FRON.EHE. ML:0.2 0.0000126800415 0.0832 AML other m 2023-12-31T07:41:57.64
IV.FRON.EHN. ML:0.5 0.000027784009999999998 0.0832 AML other m 2023-12-31T07:41:58.51
IV.NARO.HHE. ML:0.6 0.000027903175000000002 0.064 AML other m 2023-12-31T07:41:57.89
IV.NARO.HHN. ML:0.4 0.000018542450500000002 0.0576 AML other m 2023-12-31T07:41:58.03
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