Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 27-01-2023 and time 11:49:21 (UTC) in region 3 km NE Fiuminata (MC)

A magnitude ML 1.6 earthquake occured in region: 3 km NE Fiuminata (MC), on

  • 27-01-2023 11:49:21 (UTC)
  • 27-01-2023 12:49:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2130, 12.9530 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.

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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
Fiuminata MC 3 1402 1402
Esanatoglia MC 4 2034 3436
Pioraco MC 5 1134 4570
Matelica MC 7 9981 14551
Sefro MC 7 422 14973
Castelraimondo MC 9 4587 19560
Gagliole MC 10 620 20180
Cerreto d'Esi AN 12 3817 23997
Camerino MC 13 6974 30971
Gualdo Tadino PG 14 15208 46179
Fabriano AN 14 31480 77659
Serravalle di Chienti MC 16 1070 78729
Muccia MC 16 915 79644
Nocera Umbra PG 17 5839 85483
Fossato di Vico PG 18 2840 88323
San Severino Marche MC 18 12726 101049
Serrapetrona MC 20 966 102015
Pievebovigliana MC 20 866 102881

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NE of Foligno (57155 inhabitants)
47 Km E of Perugia (166134 inhabitants)
64 Km SW of Ancona (100861 inhabitants)
70 Km S of Fano (60888 inhabitants)
77 Km NE of Terni (111501 inhabitants)
78 Km S of Pesaro (94582 inhabitants)
87 Km NW of Teramo (54892 inhabitants)
91 Km E of Arezzo (99543 inhabitants)
99 Km SE of Rimini (147750 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 1.6 2023-01-27
11:49:21		 43.2132 12.9527 11 2023-01-27
11:54:42		 Sala Sismica INGV-Roma 113829791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-27 11:49:21 ± 0.05
Latitude 43.2132 ± 0.0027
Longitude 12.9527 ± 0.0037
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 113829791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 347
Semi-minor axis of confidence ellipse (meter) 235
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 117
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 143
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) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.04227
Epicentral distance of station farthest from the epicenter (degree) 0.34624
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 113829791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-27 11:54:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.FRON.EHZ. 2023-01-27T11:49:34.13 0.6 undecidable manual S 332 0.3462 50 0.04 48
IV.CING.HHZ. 2023-01-27T11:49:31.13 0.3 undecidable manual S 47 0.2401 50 0.19 71
IV.SSFR.HHZ. 2023-01-27T11:49:31.43 0.6 undecidable manual S 331 0.2554 50 0.04 49
IV.CESI.HHZ. 2023-01-27T11:49:30.14 0.3 undecidable manual S 190 0.2113 50 0.05 73
IV.ATCC.EHZ. 2023-01-27T11:49:30.81 0.3 undecidable manual S 263 0.2293 50 0.17 71
IV.EL6.EHZ. 2023-01-27T11:49:28.48 0.6 undecidable manual S 43 0.1592 122 -0.02 50
IV.FRON.EHZ. 2023-01-27T11:49:28.42 0.6 positive manual P 332 0.3462 50 -0.27 46
IV.ATCC.EHZ. 2023-01-27T11:49:26.68 0.1 undecidable manual P 263 0.2293 50 -0.02 98
IV.CING.HHZ. 2023-01-27T11:49:26.80 0.3 negative manual P 47 0.2401 50 -0.07 73
IV.CESI.HHZ. 2023-01-27T11:49:26.28 0.1 undecidable manual P 190 0.2113 50 -0.1 97
IV.SSFR.HHZ. 2023-01-27T11:49:26.94 0.3 negative manual P 331 0.2554 50 -0.19 71
IV.SNTG.HHZ. 2023-01-27T11:49:25.44 0.3 undecidable manual S 348 0.0423 156 0.01 76
IV.EL6.EHZ. 2023-01-27T11:49:25.41 1.0 undecidable manual P 43 0.1592 122 -0.06 25
IV.SNTG.HHZ. 2023-01-27T11:49:23.80 0.1 undecidable manual P 348 0.0423 156 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNTG.HNE. ML:1.6 0.0007019999999999999 0.12 AML other m 2023-01-27T11:49:25.51
IV.SNTG.HHE. ML:1.6 0.000637 0.1 AML other m 2023-01-27T11:49:25.57
IV.SNTG.HNN. ML:1.6 0.0006355 0.1 AML other m 2023-01-27T11:49:25.53
IV.SNTG.HHN. ML:1.6 0.0007264999999999999 0.1 AML other m 2023-01-27T11:49:25.53
IV.SSFR.HHN. ML:1.4 0.0001341 0.24 AML other m 2023-01-27T11:49:31.80
IV.SSFR.HHE. ML:1.5 0.00014350000000000002 1.24 AML other m 2023-01-27T11:49:31.20
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