Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 28-01-2023 and time 15:07:57 (UTC) in region 2 km E Serravalle di Chienti (MC)

A magnitude ML 0.8 earthquake occured in region: 2 km E Serravalle di Chienti (MC), on

  • 28-01-2023 15:07:57 (UTC)
  • 28-01-2023 16:07:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0750, 12.9830 at 7 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 2 1070 1070
Muccia MC 5 915 1985
Pieve Torina MC 7 1458 3443
Pievebovigliana MC 8 866 4309
Sefro MC 9 422 4731
Monte Cavallo MC 9 145 4876
Fiordimonte MC 10 202 5078
Camerino MC 10 6974 12052
Pioraco MC 12 1134 13186
Fiuminata MC 13 1402 14588
Fiastra MC 15 559 15147
Nocera Umbra PG 16 5839 20986
Castelraimondo MC 16 4587 25573
Acquacanina MC 16 121 25694
Visso MC 18 1107 26801
Valtopina PG 19 1398 28199
Ussita MC 19 444 28643
Gagliole MC 20 620 29263
Esanatoglia MC 20 2034 31297

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NE of Foligno (57155 inhabitants)
48 Km E of Perugia (166134 inhabitants)
63 Km NE of Terni (111501 inhabitants)
74 Km SW of Ancona (100861 inhabitants)
75 Km NW of Teramo (54892 inhabitants)
86 Km S of Fano (60888 inhabitants)
87 Km NW of L'Aquila (69753 inhabitants)
93 Km S of Pesaro (94582 inhabitants)
99 Km E of Arezzo (99543 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 0.8 2023-01-28
15:07:57		 43.0748 12.9827 7 2023-01-28
15:22:07		 Sala Sismica INGV-Roma 113855961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-28 15:07:57 ± 0.29
Latitude 43.0748 ± 0.0081
Longitude 12.9827 ± 0.0135
Depth (km) 7 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113855961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1089
Semi-minor axis of confidence ellipse (meter) 458
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 96
Circular confidence region, given by single value of horizontal uncertainty (meter) 1090.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.51981
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations 9
Type of magnitude ML
Reference to an origin 113855961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-28 15:22:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PANTE.HHZ. 2023-01-28T15:09:21.18 3.0 positive manual Pn -7.2 0
AC.VLO.HHZ. 2023-01-28T15:09:12.62 3.0 positive manual Pn -5.14 0
IV.MONC.HHZ. 2023-01-28T15:09:07.89 3.0 undecidable manual Sn -7.36 0
IV.MGR.HHZ. 2023-01-28T15:09:04.48 3.0 negative manual Pg 12.26 0
IV.SPS2.HHZ. 2023-01-28T15:08:59.78 3.0 negative manual Pn -6.7 0
SL.KOGS.BHZ. 2023-01-28T15:08:48.92 3.0 negative manual Pg 7.26 0
IV.MSSA.HHZ. 2023-01-28T15:08:47.28 3.0 undecidable manual Sg 3.46 0
IV.ACER.HHZ. 2023-01-28T15:08:47.36 3.0 negative manual Pn 0.09 0
IV.SRES.HHZ. 2023-01-28T15:08:44.21 3.0 undecidable manual Sg 8.88 0
IV.ROVR.HNZ. 2023-01-28T15:08:41.17 3.0 undecidable manual Sg 0.77 0
IV.PIGN.HHZ. 2023-01-28T15:08:32.67 3.0 positive manual Pn 0.13 0
IV.BOB.HHZ. 2023-01-28T15:08:28.90 3.0 negative manual Pg 7.86 0
IV.BDI.HHZ. 2023-01-28T15:08:25.77 3.0 undecidable manual Sg 1.53 0
ST.PANI.EHZ. 2023-01-28T15:08:23.73 3.0 undecidable manual Pg 2.81 0
IV.CADC.HNZ. 2023-01-28T15:08:19.85 3.0 undecidable manual Pg -0.52 0
IV.ZEN8.EHZ. 2023-01-28T15:08:08.71 3.0 undecidable manual Pn -9.74 0
IV.ARRO.EHZ. 2023-01-28T15:08:08.44 1.0 undecidable manual P 198 57.6978 50 -0.13 21
IV.MF5.EHZ. 2023-01-28T15:08:06.75 0.1 undecidable manual P 104 39.8268 50 0.93 78
IV.SNTG.HHZ. 2023-01-28T15:08:05.47 0.3 undecidable manual S 350 20.2686 110 0.21 72
IV.EL6.EHZ. 2023-01-28T15:08:03.51 1.0 negative manual P 19 29.8479 104 -0.42 23
IV.CESI.HHZ. 2023-01-28T15:08:02.20 0.3 undecidable manual S 219 9.9789 126 0.12 76
IV.FDMO.HHZ. 2023-01-28T15:08:02.05 0.3 undecidable manual S 117 9.4794 128 0.12 72
IV.SNTG.HHZ. 2023-01-28T15:08:01.92 1.0 undecidable manual P 350 20.2686 110 -0.17 24
IV.SFI.EHZ. 2023-01-28T15:08:01.66 3.0 undecidable manual S -0.47 0
IT.MTCL.HGN. 2023-01-28T15:08:01.70 0.3 undecidable manual S 171 9.0798 129 -0.12 78
IV.CESI.HHZ. 2023-01-28T15:08:00.13 0.6 undecidable manual P 219 9.9789 126 -0.13 50
IV.FDMO.HHZ. 2023-01-28T15:08:00.18 1.0 negative manual P 117 9.4794 128 0 26
IV.CSP1.EHZ. 2023-01-28T15:08:00.92 0.1 undecidable manual P 84 18.0708 112 -0.76 84
IT.MTCL.HGN. 2023-01-28T15:07:59.92 0.1 undecidable manual P 171 9.0798 129 -0.19 100
IV.CAFI.HHZ. 2023-01-28T15:07:59.53 3.0 negative manual P -0.19 0
IV.SEI.HHZ. 2023-01-28T15:07:57.25 3.0 undecidable manual P -3 0
IV.IMOL.HNZ. 2023-01-28T15:07:54.68 3.0 negative manual P -3.93 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSFR.HHN. ML:1.6 0.000114 0.38 AML other m 2023-01-28T15:08:15.42
IV.SSFR.HHE. ML:1.4 0.00007994999999999999 0.08 AML other m 2023-01-28T15:08:15.82
IV.CESI.HNE. ML:0.9 0.000116751067 0.4736 AML other m 2023-01-28T15:08:02.29
IV.CESI.HNN. ML:0.9 0.00012352200000000001 0.8832 AML other m 2023-01-28T15:08:01.44
IV.CESI.HHE. ML:0.7 0.000081725935 0.1408 AML other m 2023-01-28T15:08:02.36
IV.CESI.HHN. ML:0.4 0.000032836155 0.1408 AML other m 2023-01-28T15:08:02.40
IV.FDMO.HHE. ML:0.3 0.00003020059 0.1408 AML other m 2023-01-28T15:08:02.35
IV.FDMO.HHN. ML:0.4 0.00003291599 0.1664 AML other m 2023-01-28T15:08:02.32
IV.SNTG.HHN. ML:0.8 0.000045622549999999996 1.216 AML other m 2023-01-28T15:08:05.09
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