Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 03-02-2023 and time 22:27:29 (UTC) in region 2 km S Fiordimonte (MC)

A magnitude ML 1.0 earthquake occured in region: 2 km S Fiordimonte (MC), on

  • 03-02-2023 22:27:29 (UTC)
  • 03-02-2023 23:27:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0190, 13.0960 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
Fiordimonte MC 2 202 202
Pieve Torina MC 5 1458 1660
Pievebovigliana MC 5 866 2526
Fiastra MC 5 559 3085
Acquacanina MC 7 121 3206
Monte Cavallo MC 8 145 3351
Muccia MC 8 915 4266
Ussita MC 9 444 4710
Visso MC 10 1107 5817
Bolognola MC 11 142 5959
Serravalle di Chienti MC 13 1070 7029
Camerino MC 13 6974 14003
Castelsantangelo sul Nera MC 15 281 14284
Preci PG 16 724 15008
Cessapalombo MC 17 512 15520
Sarnano MC 17 3264 18784
Caldarola MC 17 1823 20607
Sefro MC 19 422 21029
Camporotondo di Fiastrone MC 19 563 21592
Serrapetrona MC 19 966 22558
Sellano PG 20 1079 23637
Belforte del Chienti MC 20 1886 25523
Pioraco MC 20 1134 26657

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
58 Km E of Perugia (166134 inhabitants)
63 Km NE of Terni (111501 inhabitants)
64 Km NW of Teramo (54892 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
78 Km NW of L'Aquila (69753 inhabitants)
92 Km S of Fano (60888 inhabitants)
100 Km S of Pesaro (94582 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 1.0 2023-02-03
22:27:29		 43.0192 13.096 7 2023-02-03
22:52:30		 Sala Sismica INGV-Roma 114026541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-03 22:27:29 ± 0.15
Latitude 43.0192 ± 0.0054
Longitude 13.0960 ± 0.0086
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 114026541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 720
Semi-minor axis of confidence ellipse (meter) 375
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 71
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.01889
Epicentral distance of station farthest from the epicenter (degree) 0.42628
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:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 114026541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-03 22:52:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SMA1.EHZ. 2023-02-03T22:27:44.83 1.0 undecidable manual S 156 47.3193 50 -0.32 22
IV.SMA1.EHZ. 2023-02-03T22:27:37.81 0.3 undecidable manual P 156 47.3193 50 -0.61 61
IV.NRCA.HHZ. 2023-02-03T22:27:37.09 0.1 undecidable manual S 176 20.6682 109 0.27 94
IV.MMO1.EHZ. 2023-02-03T22:27:37.56 0.3 undecidable manual S 125 22.9548 108 -0.03 74
IV.MML1.EHZ. 2023-02-03T22:27:35.03 0.6 undecidable manual S 316 14.5743 117 0.16 48
IV.MF5.EHZ. 2023-02-03T22:27:35.77 0.3 undecidable manual P 97 29.748 104 0.42 67
IV.CSP1.EHZ. 2023-02-03T22:27:34.11 0.1 undecidable manual S 48 11.9769 121 0.02 100
IV.MMO1.EHZ. 2023-02-03T22:27:33.94 0.1 undecidable manual P 125 22.9548 108 -0.12 96
IV.NRCA.HHZ. 2023-02-03T22:27:33.71 0.1 undecidable manual P 176 20.6682 109 0.1 97
IV.CSP1.EHZ. 2023-02-03T22:27:32.16 0.1 undecidable manual P 48 11.9769 121 0.12 98
IV.MML1.EHZ. 2023-02-03T22:27:32.70 0.1 undecidable manual P 316 14.5743 117 0.22 96
IV.FDMO.HHZ. 2023-02-03T22:27:31.43 0.1 undecidable manual S 340 2.0979 164 -0.42 94
IV.FDMO.HHZ. 2023-02-03T22:27:30.63 0.1 undecidable manual P 340 2.0979 164 -0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.1 0.00009975 0.44 AML other m 2023-02-03T22:27:38.70
IV.NRCA.HHN. ML:1.0 0.0000807 0.12 AML other m 2023-02-03T22:27:39.34
IV.FDMO.HHE. ML:0.0 0.00045739494999999996 0.1024 AML other m 2023-02-03T22:27:31.83
IV.FDMO.HHN. ML:0.0 0.00061948425 0.2304 AML other m 2023-02-03T22:27:31.65
IV.CSP1.EHE. ML:1.0 0.000126602415 3.7376 AML other m 2023-02-03T22:27:34.71
IV.CSP1.EHN. ML:1.0 0.0001400186 0.1024 AML other m 2023-02-03T22:27:35.26
IV.MML1.EHE. ML:0.4 0.000030041529999999996 0.1664 AML other m 2023-02-03T22:27:35.25
IV.MML1.EHN. ML:0.9 0.00008228187 0.2432 AML other m 2023-02-03T22:27:35.33
IV.MML1.HNE. ML:1.0 0.00010366693 1.0752 AML other m 2023-02-03T22:27:35.48
IV.MML1.HNN. ML:1.1 0.00012816205 1.5488 AML other m 2023-02-03T22:27:38.02
IV.NRCA.HNE. ML:1.2 0.00013547724 0.3456 AML other m 2023-02-03T22:27:38.27
IV.NRCA.HNN. ML:1.4 0.0001907719 0.8192 AML other m 2023-02-03T22:27:37.50
IV.MMO1.EHE. ML:0.8 0.000039057220000000004 0.1792 AML other m 2023-02-03T22:27:37.94
IV.MMO1.EHN. ML:1.0 0.000059695425 0.1536 AML other m 2023-02-03T22:27:37.85
IV.MMO1.HNE. ML:3.0 0.0062252735000000005 1.472 AML other m 2023-02-03T22:27:38.26
IV.MMO1.HNN. ML:3.0 0.0062512884999999995 3.7888 AML other m 2023-02-03T22:27:43.16
IV.MF5.EHE. ML:1.1 0.00006552004499999999 5.0688 AML other m 2023-02-03T22:27:41.09
IV.MF5.EHN. ML:1.0 0.00004877004 23.9744 AML other m 2023-02-03T22:27:46.76
IV.SMA1.EHE. ML:0.8 0.000019403105 1.4336 AML other m 2023-02-03T22:27:50.00
IV.SMA1.EHN. ML:0.8 0.000020232169500000002 1.7536 AML other m 2023-02-03T22:27:49.60
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