Earthquake with magnitude of ML 0.9 on date 20-12-2022 and time 03:11:08 (UTC) in region 3 km W Serravalle di Chienti (MC)

A magnitude ML 0.9 earthquake occured in region: 3 km W Serravalle di Chienti (MC), on

  • 20-12-2022 03:11:08 (UTC)
  • 20-12-2022 04:11:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0620, 12.9250 at 12 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
Serravalle di Chienti MC 3 1070 1070
Sefro MC 10 422 1492
Monte Cavallo MC 10 145 1637
Muccia MC 10 915 2552
Pieve Torina MC 10 1458 4010
Nocera Umbra PG 12 5839 9849
Pievebovigliana MC 13 866 10715
Fiordimonte MC 14 202 10917
Valtopina PG 14 1398 12315
Pioraco MC 14 1134 13449
Fiuminata MC 14 1402 14851
Camerino MC 14 6974 21825
Fiastra MC 19 559 22384
Sellano PG 19 1079 23463
Visso MC 20 1107 24570
Castelraimondo MC 20 4587 29157

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NE of Foligno (57155 inhabitants)
44 Km E of Perugia (166134 inhabitants)
60 Km NE of Terni (111501 inhabitants)
78 Km NW of Teramo (54892 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
87 Km S of Fano (60888 inhabitants)
88 Km NW of L'Aquila (69753 inhabitants)
95 Km S of Pesaro (94582 inhabitants)
96 Km E of Arezzo (99543 inhabitants)
98 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 0.9 2022-12-20
03:11:08
43.0617 12.9248 12 2022-12-20
03:16:18
Sala Sismica INGV-Roma 112963911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-20 03:11:08 ± 0.03
Latitude 43.0617 ± 0.0018
Longitude 12.9248 ± 0.0025
Depth (km) 12 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 112963911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 216
Semi-minor axis of confidence ellipse (meter) 130
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 12
Circular confidence region, given by single value of horizontal uncertainty (meter) 220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.05846
Epicentral distance of station farthest from the epicenter (degree) 0.35433
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 112963911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-20 03:16:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2022-12-20T03:11:20.20 0.3 undecidable manual S 26 32.9448 93 0.03 72
IV.MC2.EHZ. 2022-12-20T03:11:18.85 0.3 undecidable manual S 128 27.1506 94 0.23 70
IV.ATCC.EHZ. 2022-12-20T03:11:18.73 0.3 undecidable manual S 301 26.8509 94 0.19 70
IV.ASSB.HHZ. 2022-12-20T03:11:17.05 0.3 undecidable manual S 265 21.6672 96 -0.12 73
IV.CSP1.EHZ. 2022-12-20T03:11:17.51 0.3 undecidable manual S 82 22.9548 95 0.01 74
IV.MURB.HHZ. 2022-12-20T03:11:16.45 0.6 undecidable manual P 305 39.3273 92 0.06 47
IV.EL6.EHZ. 2022-12-20T03:11:15.34 0.6 undecidable manual P 26 32.9448 93 -0.07 48
IV.FDMO.HHZ. 2022-12-20T03:11:14.82 0.3 undecidable manual S 102 13.4754 112 -0.21 71
IV.ATCC.EHZ. 2022-12-20T03:11:14.45 0.6 undecidable manual P 301 26.8509 94 -0.02 49
IV.MC2.EHZ. 2022-12-20T03:11:14.57 1.0 positive manual P 128 27.1506 94 0.05 24
IV.CESI.HNE. 2022-12-20T03:11:13.51 0.3 undecidable manual S 195 6.4935 143 -0.05 75
IV.ASSB.HHZ. 2022-12-20T03:11:13.54 0.3 undecidable manual P 265 21.6672 96 -0.14 72
IV.MML1.EHZ. 2022-12-20T03:11:13.69 0.3 undecidable manual S 33 6.8931 141 0.06 76
IV.CSP1.EHZ. 2022-12-20T03:11:13.84 0.3 undecidable manual P 82 22.9548 95 -0.03 73
IV.FEMA.HNN. 2022-12-20T03:11:12.66 0.1 undecidable manual P 137 14.9739 107 0 100
IV.FDMO.HHZ. 2022-12-20T03:11:12.40 0.1 undecidable manual P 102 13.4754 112 -0.04 99
IV.MML1.EHZ. 2022-12-20T03:11:11.67 0.6 undecidable manual P 33 6.8931 141 0.04 51
IT.MTCL.HGN. 2022-12-20T03:11:11.97 0.1 undecidable manual P 141 9.6792 128 0.04 100
IV.CESI.HNE. 2022-12-20T03:11:11.69 0.1 undecidable manual P 195 6.4935 143 0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHN. ML:0.8 0.00007580000000000001 0.16 AML other m 2022-12-20T03:11:13.75
IV.MML1.EHE. ML:1.0 0.0001385 0.18 AML other m 2022-12-20T03:11:13.75
IV.FDMO.HHE. ML:0.9 0.0000753 1.88 AML other m 2022-12-20T03:11:14.03
IV.FDMO.HHN. ML:0.8 0.00006429999999999999 1.44 AML other m 2022-12-20T03:11:15.16
IV.ATCC.EHN. ML:0.9 0.000041700000000000004 0.74 AML other m 2022-12-20T03:11:18.02
IV.ATCC.EHE. ML:1.1 0.000059999999999999995 0.16 AML other m 2022-12-20T03:11:18.91
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download