Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.1 on date 25-12-2022 and time 14:52:21 (Italy) in region 6 km W Serravalle di Chienti (MC)

A magnitude ML 0.1 earthquake occured in region: 6 km W Serravalle di Chienti (MC), on

  • 25-12-2022 13:52:21 (UTC)
  • 25-12-2022 14:52:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0820, 12.8820 at 8 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Serravalle di Chienti MC 6 1070 1070
Nocera Umbra PG 8 5839 6909
Sefro MC 9 422 7331
Valtopina PG 11 1398 8729
Fiuminata MC 13 1402 10131
Muccia MC 13 915 11046
Pioraco MC 14 1134 12180
Monte Cavallo MC 14 145 12325
Pieve Torina MC 14 1458 13783
Camerino MC 16 6974 20757
Pievebovigliana MC 17 866 21623
Fiordimonte MC 18 202 21825
Gualdo Tadino PG 18 15208 37033
Esanatoglia MC 20 2034 39067
Spello PG 20 8645 47712

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NE of Foligno (57155 inhabitants)
40 Km E of Perugia (166134 inhabitants)
61 Km NE of Terni (111501 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
82 Km NW of Teramo (54892 inhabitants)
86 Km S of Fano (60888 inhabitants)
92 Km E of Arezzo (99543 inhabitants)
92 Km NW of L'Aquila (69753 inhabitants)
92 Km S of Pesaro (94582 inhabitants)
97 Km NE of Viterbo (67173 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 0.1 2022-12-25
13:52:21		 43.0823 12.8817 8 2022-12-25
14:34:25		 Sala Sismica INGV-Roma 113077471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-25 13:52:21 ± 0.11
Latitude 43.0823 ± 0.0063
Longitude 12.8817 ± 0.0049
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113077471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 526
Semi-minor axis of confidence ellipse (meter) 516
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 174
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.07285
Epicentral distance of station farthest from the epicenter (degree) 0.50722
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.1

Field Value
Value 0.1
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 113077471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-25 14:34:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ATPI.EHZ. 2022-12-25T13:52:31.96 0.3 undecidable manual P 317 0.5072 50 -0.08 69
IV.ATCC.HNZ. 2022-12-25T13:52:30.04 0.3 undecidable manual S 300 0.2041 110 0.12 73
IV.SSFR.HHZ. 2022-12-25T13:52:30.00 0.3 undecidable manual P 348 0.3606 50 0.46 66
IV.ASSB.HHZ. 2022-12-25T13:52:28.58 0.3 undecidable manual S 256 0.1673 114 -0.04 75
IV.FDMO.HHZ. 2022-12-25T13:52:28.02 0.3 undecidable manual S 107 0.1574 115 -0.22 72
IV.FOSV.EHE. 2022-12-25T13:52:26.10 1.0 undecidable manual P 338 0.2302 108 -0.83 20
IV.ATCC.HNZ. 2022-12-25T13:52:26.30 0.1 undecidable manual P 300 0.2041 110 -0.09 98
IV.CSP1.EHZ. 2022-12-25T13:52:26.66 1.0 undecidable manual P 88 0.2356 107 -0.41 23
IV.CESI.HHZ. 2022-12-25T13:52:25.91 0.3 undecidable manual S 168 0.0791 133 0.18 74
IV.FDMO.HHZ. 2022-12-25T13:52:25.27 0.1 undecidable manual P 107 0.1574 115 -0.15 98
IV.ASSB.HHZ. 2022-12-25T13:52:25.36 0.3 undecidable manual P 256 0.1673 114 -0.28 71
IV.MML1.EHZ. 2022-12-25T13:52:25.66 0.3 undecidable manual S 65 0.0728 135 0.11 75
IV.CESI.HHZ. 2022-12-25T13:52:24.19 0.1 undecidable manual P 168 0.0791 133 0.22 98
IV.MML1.EHZ. 2022-12-25T13:52:23.99 0.1 undecidable manual P 65 0.0728 135 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHE. ML:0.2 0.000026660499999999997 0.1856 AML other m 2022-12-25T13:52:25.80
IV.MML1.EHN. ML:0.2 0.000022581211 0.1408 AML other m 2022-12-25T13:52:25.80
IV.CESI.HHE. ML:0.0 0.0000128608895 0.1216 AML other m 2022-12-25T13:52:26.26
IV.CESI.HHN. ML:-0.2 0.000009100228999999999 0.0768 AML other m 2022-12-25T13:52:26.25
IV.FDMO.HHE. ML:0.4 0.000020161640000000003 0.1216 AML other m 2022-12-25T13:52:28.26
IV.FDMO.HHN. ML:0.2 0.000013083333 0.16 AML other m 2022-12-25T13:52:28.25
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