Earthquake with magnitude of ML 0.2 on date 07-12-2023 and time 17:31:48 (Italy) in region 5 km N Apecchio (PU)

A magnitude ML 0.2 earthquake occured in region: 5 km N Apecchio (PU), on

  • 07-12-2023 16:31:48 (UTC)
  • 07-12-2023 17:31:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6040, 12.4120 at 9 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
Apecchio PU 5 1882 1882
Sant'Angelo in Vado PU 7 4133 6015
Mercatello sul Metauro PU 8 1378 7393
Piobbico PU 8 2029 9422
Borgo Pace PU 11 606 10028
Urbania PU 12 7099 17127
Peglio PU 12 696 17823
Belforte all'Isauro PU 13 769 18592
Piandimeleto PU 13 2167 20759
Lunano PU 14 1527 22286
Sestino AR 15 1355 23641
Pietralunga PG 18 2111 25752
Frontino PU 18 293 26045
San Giustino PG 20 11297 37342

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km E of Arezzo (99543 inhabitants)
52 Km S of Rimini (147750 inhabitants)
53 Km SW of Pesaro (94582 inhabitants)
55 Km N of Perugia (166134 inhabitants)
56 Km W of Fano (60888 inhabitants)
61 Km S of Cesena (96758 inhabitants)
75 Km SE of Forlì (117913 inhabitants)
76 Km NW of Foligno (57155 inhabitants)
87 Km SE of Faenza (58541 inhabitants)
89 Km W of Ancona (100861 inhabitants)
92 Km S of Ravenna (159116 inhabitants)
93 Km E of Siena (53903 inhabitants)
95 Km E of Firenze (382808 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 2023-12-07
16:31:48
43.6042 12.4117 9 2023-12-07
16:38:46
Sala Sismica INGV-Roma 123878431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-07 16:31:48 ± 0.11
Latitude 43.6042 ± 0.0027
Longitude 12.4117 ± 0.0025
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123878431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 260
Semi-minor axis of confidence ellipse (meter) 39
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 4
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.22213
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.2

Field Value
Value 0.2
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 123878431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-07 16:38:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CERA.HNZ. 2023-12-07T16:32:23.66 3.0 undecidable manual Pn 2.17 0
IV.ARRO.EHZ. 2023-12-07T16:32:19.40 3.0 undecidable manual Sn 0.04 0
IV.FROS.CHZ. 2023-12-07T16:32:03.12 3.0 undecidable manual P -0.04 0
IV.ATVO.HHZ. 2023-12-07T16:31:57.07 0.6 undecidable manual S 181 24.6531 110 -0.18 48
IV.ATPI.EHZ. 2023-12-07T16:31:54.89 0.6 undecidable manual S 183 17.0718 118 0.05 49
IV.ATPC.HHE. 2023-12-07T16:31:54.24 0.6 undecidable manual S 165 14.1747 123 0.25 48
IV.BADI.EHE. 2023-12-07T16:31:54.79 0.6 undecidable manual S 232 17.0718 118 -0.05 49
IV.PARC.HHZ. 2023-12-07T16:31:54.13 0.6 undecidable manual S 290 14.7741 122 -0.02 50
IV.TSM6.DHZ.11 2023-12-07T16:31:54.48 0.6 undecidable manual S 203 15.873 120 -0.02 50
IV.PIEI.HHZ. 2023-12-07T16:31:53.35 0.6 undecidable manual S 127 12.4764 126 -0.15 49
IV.NARO.HHZ. 2023-12-07T16:31:53.77 0.6 undecidable manual S 87 13.5753 124 -0.05 50
IV.ATVO.HHZ. 2023-12-07T16:31:53.31 0.6 positive manual P 181 24.6531 110 -0.09 48
IV.BADI.EHE. 2023-12-07T16:31:51.99 0.1 undecidable manual P 232 17.0718 118 -0.02 100
IV.PARC.HHZ. 2023-12-07T16:31:51.67 0.6 negative manual P 290 14.7741 122 0.06 50
IV.TSM6.DHZ.11 2023-12-07T16:31:51.82 0.1 undecidable manual P 203 15.873 120 0.01 100
IV.ATPI.EHZ. 2023-12-07T16:31:51.96 0.1 undecidable manual P 183 17.0718 118 -0.05 99
IV.PIEI.HHZ. 2023-12-07T16:31:51.19 0.1 undecidable manual P 127 12.4764 126 -0.04 100
IV.ATPC.HHE. 2023-12-07T16:31:51.69 0.1 undecidable manual P 165 14.1747 123 0.18 97
IV.NARO.HHZ. 2023-12-07T16:31:51.46 0.6 undecidable manual P 87 13.5753 124 0.04 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHE. ML:0.2 0.000018321864699999998 0.0768 AML other m 2023-12-07T16:31:54.13
IV.PIEI.HHN. ML:0.1 0.000014675065 0.0768 AML other m 2023-12-07T16:31:54.68
IV.NARO.HHE. ML:0.4 0.000026753135000000002 0.064 AML other m 2023-12-07T16:31:54.25
IV.NARO.HHN. ML:0.7 0.00005683234 0.064 AML other m 2023-12-07T16:31:54.25
IV.PARC.HHE. ML:0.0 0.000010336639500000002 0.256 AML other m 2023-12-07T16:31:54.38
IV.PARC.HHN. ML:0.2 0.000014873300999999998 0.2176 AML other m 2023-12-07T16:31:54.36
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