Earthquake with magnitude of ML 0.4 on date 21-02-2023 and time 17:43:11 (UTC) in region 5 km NW Fiuminata (MC)

A magnitude ML 0.4 earthquake occured in region: 5 km NW Fiuminata (MC), on

  • 21-02-2023 17:43:11 (UTC)
  • 21-02-2023 18:43:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2130, 12.8800 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Fiuminata MC 5 1402 1402
Esanatoglia MC 7 2034 3436
Gualdo Tadino PG 8 15208 18644
Sefro MC 9 422 19066
Pioraco MC 9 1134 20200
Matelica MC 12 9981 30181
Fossato di Vico PG 13 2840 33021
Nocera Umbra PG 13 5839 38860
Fabriano AN 14 31480 70340
Castelraimondo MC 14 4587 74927
Cerreto d'Esi AN 15 3817 78744
Gagliole MC 16 620 79364
Serravalle di Chienti MC 17 1070 80434
Sigillo PG 17 2404 82838
Camerino MC 18 6974 89812
Muccia MC 20 915 90727
Valtopina PG 20 1398 92125

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Foligno (57155 inhabitants)
42 Km E of Perugia (166134 inhabitants)
69 Km SW of Ancona (100861 inhabitants)
71 Km S of Fano (60888 inhabitants)
75 Km N of Terni (111501 inhabitants)
78 Km S of Pesaro (94582 inhabitants)
86 Km E of Arezzo (99543 inhabitants)
91 Km NW of Teramo (54892 inhabitants)
98 Km S 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
Bulletin
Rev1000
ML 0.4 2023-02-21
17:43:11
43.2132 12.8805 10 2024-03-01
17:18:01
Bollettino Sismico Italiano INGV 115877431
Reviewed
Rev100
ML 0.3 2023-02-21
17:43:11
43.2097 12.8768 7 2023-02-21
18:26:05
Sala Sismica INGV-Roma 114667561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-21 17:43:11 ± 0.04
Latitude 43.2132 ± 0.0018
Longitude 12.8805 ± 0.0025
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 115877431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 199
Semi-minor axis of confidence ellipse (meter) 165
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 54
Circular confidence region, given by single value of horizontal uncertainty (meter) 200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.06025
Epicentral distance of station farthest from the epicenter (degree) 0.28059
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 114667561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-21 18:26:05

ML:0.4

Field Value
Value 0.4
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 115877431
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-03-30 09:01:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HNZ. 2023-02-21T17:43:22.35 0.6 undecidable manual S 55 31.1466 50 0.18 48
IV.ATSC.EHE. 2023-02-21T17:43:21.27 0.6 undecidable manual S 326 28.1496 50 -0.09 49
IV.CSP1.EHE. 2023-02-21T17:43:21.80 0.6 undecidable manual S 117 29.4483 50 0.08 49
IV.PF6.EHN. 2023-02-21T17:43:20.94 0.3 undecidable manual S 108 26.751 110 0.03 75
IV.FDMO.HHZ. 2023-02-21T17:43:20.62 0.3 undecidable manual S 139 25.752 110 0.02 75
IV.ASSB.HHN. 2023-02-21T17:43:20.49 0.6 undecidable manual S 224 26.0517 110 -0.21 48
IV.EL6.EHZ. 2023-02-21T17:43:19.16 0.3 undecidable manual S 54 22.0668 113 -0.23 72
IV.CESI.HHZ. 2023-02-21T17:43:19.59 0.3 undecidable manual S 175 23.1546 112 -0.17 73
IV.ATCC.EHZ. 2023-02-21T17:43:18.89 0.3 undecidable manual S 261 19.6692 116 0.23 73
IV.CSP1.EHE. 2023-02-21T17:43:17.20 0.1 undecidable manual P 117 29.4483 50 -0.02 99
IV.MURB.HHE. 2023-02-21T17:43:17.19 0.1 undecidable manual P 281 29.2485 50 0.01 100
IV.CING.HNZ. 2023-02-21T17:43:17.41 0.1 undecidable manual P 55 31.1466 50 -0.06 98
IV.FDMO.HHZ. 2023-02-21T17:43:16.90 0.3 undecidable manual P 139 25.752 110 0.33 70
IV.MML1.HNE. 2023-02-21T17:43:16.78 0.3 undecidable manual S 146 13.2756 126 0.04 76
IV.ASSB.HHN. 2023-02-21T17:43:16.42 0.1 undecidable manual P 224 26.0517 110 -0.2 96
IV.PF6.EHN. 2023-02-21T17:43:16.74 0.1 undecidable manual P 108 26.751 110 -0.01 100
IV.ATSC.EHE. 2023-02-21T17:43:16.88 0.1 undecidable manual P 326 28.1496 50 -0.13 97
IV.CESI.HHZ. 2023-02-21T17:43:16.16 0.3 undecidable manual P 175 23.1546 112 0.08 74
IV.SSFR.HHN. 2023-02-21T17:43:16.74 0.3 undecidable manual P 342 25.9518 110 0.13 73
IV.ATCC.EHZ. 2023-02-21T17:43:15.59 0.3 undecidable manual P 261 19.6692 116 0.14 74
IV.EL6.EHZ. 2023-02-21T17:43:15.94 0.3 undecidable manual P 54 22.0668 113 0.07 75
IV.MML1.HNE. 2023-02-21T17:43:14.23 0.3 undecidable manual P 146 13.2756 126 -0.11 75
IV.SNTG.HHZ. 2023-02-21T17:43:14.96 0.3 undecidable manual S 46 6.6933 145 -0.16 75
IV.SNTG.HHZ. 2023-02-21T17:43:13.61 0.3 undecidable manual P 46 6.6933 145 0.21 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNTG.HHE. ML:0.4 0.00003935 0.44 AML other m 2023-02-21T17:43:15.55
IV.SNTG.HHN. ML:0.4 0.00003915 0.76 AML other m 2023-02-21T17:43:15.78
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