Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 06-02-2023 and time 04:22:29 (UTC) in region 5 km W Montefortino (FM)

A magnitude ML 1.3 earthquake occured in region: 5 km W Montefortino (FM), on

  • 06-02-2023 04:22:29 (UTC)
  • 06-02-2023 05:22:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9620, 13.2890 at 26 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
Montefortino FM 5 1178 1178
Amandola FM 6 3629 4807
Bolognola MC 6 142 4949
Montemonaco AP 8 604 5553
Sarnano MC 8 3264 8817
Comunanza AP 10 3166 11983
Acquacanina MC 12 121 12104
Ussita MC 12 444 12548
Gualdo MC 13 815 13363
Castelsantangelo sul Nera MC 13 281 13644
Fiastra MC 14 559 14203
Montegallo AP 14 523 14726
Smerillo FM 14 365 15091
Montefalcone Appennino FM 14 424 15515
Monte San Martino MC 15 765 16280
Penna San Giovanni MC 15 1108 17388
Palmiano AP 16 196 17584
San Ginesio MC 17 3498 21082
Force AP 17 1354 22436
Visso MC 17 1107 23543
Cessapalombo MC 17 512 24055
Sant'Angelo in Pontano MC 18 1436 25491
Fiordimonte MC 18 202 25693
Santa Vittoria in Matenano FM 18 1330 27023
Venarotta AP 19 2066 29089
Roccafluvione AP 19 2010 31099
Camporotondo di Fiastrone MC 19 563 31662

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km E of Foligno (57155 inhabitants)
48 Km NW of Teramo (54892 inhabitants)
68 Km N of L'Aquila (69753 inhabitants)
69 Km NE of Terni (111501 inhabitants)
75 Km E of Perugia (166134 inhabitants)
75 Km S of Ancona (100861 inhabitants)
86 Km NW of Montesilvano (53738 inhabitants)
94 Km NW of Pescara (121014 inhabitants)
99 Km NW of Chieti (51815 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 1.3 2023-02-06
04:22:29		 42.962 13.2887 26 2023-02-06
04:38:01		 Sala Sismica INGV-Roma 114125401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-06 04:22:29 ± 0.15
Latitude 42.9620 ± 0.0054
Longitude 13.2887 ± 0.0074
Depth (km) 26 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 114125401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 628
Semi-minor axis of confidence ellipse (meter) 345
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 67
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.06835
Epicentral distance of station farthest from the epicenter (degree) 0.39120
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 114125401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-06 04:38:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2023-02-06T04:22:45.02 0.3 undecidable manual S 340 43.4232 114 0.4 65
IV.CESI.HHZ. 2023-02-06T04:22:42.01 0.3 undecidable manual S 279 31.5462 124 0.19 69
IV.MML1.EHZ. 2023-02-06T04:22:41.70 0.3 undecidable manual S 303 30.747 124 0.06 71
IV.MF5.EHZ. 2023-02-06T04:22:39.01 0.3 undecidable manual S 78 14.1747 148 0.47 69
IV.PF6.EHZ. 2023-02-06T04:22:39.22 0.3 undecidable manual S 339 20.9679 137 -0.44 67
IV.NRCA.HHZ. 2023-02-06T04:22:39.52 0.3 undecidable manual S 225 20.0688 138 0.02 73
IV.EL6.EHZ. 2023-02-06T04:22:38.36 0.1 undecidable manual P 340 43.4232 114 0.06 93
IV.CSP1.EHZ. 2023-02-06T04:22:38.59 0.3 undecidable manual S 335 15.9729 145 -0.21 71
IV.FDMO.HHZ. 2023-02-06T04:22:38.88 0.3 undecidable manual S 297 18.2706 141 -0.31 70
IV.MC2.EHZ. 2023-02-06T04:22:38.37 0.3 undecidable manual S 235 9.879 157 0.36 70
7F.SIB3.EHZ. 2023-02-06T04:22:37.85 0.3 undecidable manual S 189 9.7791 157 -0.15 73
IV.MMO1.EHZ. 2023-02-06T04:22:37.67 0.3 undecidable manual S 156 7.5813 162 -0.13 73
7F.SIB1.EHZ. 2023-02-06T04:22:37.90 0.3 undecidable manual S 191 7.5813 162 0.1 74
7F.SIB2.EHZ. 2023-02-06T04:22:37.63 0.3 undecidable manual S 171 7.9809 161 -0.2 72
IV.MML1.EHZ. 2023-02-06T04:22:36.55 0.1 undecidable manual P 303 30.747 124 -0.03 97
IV.CESI.HHZ. 2023-02-06T04:22:36.68 0.1 undecidable manual P 279 31.5462 124 -0.01 96
IV.MF5.EHZ. 2023-02-06T04:22:35.03 0.1 undecidable manual P 78 14.1747 148 0.24 95
IV.PF6.EHZ. 2023-02-06T04:22:35.15 0.1 undecidable manual P 339 20.9679 137 -0.28 93
IV.NRCA.HHZ. 2023-02-06T04:22:35.32 0.1 undecidable manual P 225 20.0688 138 -0.02 98
IV.FDMO.HHZ. 2023-02-06T04:22:34.98 0.1 undecidable manual P 297 18.2706 141 -0.18 95
IV.MC2.EHZ. 2023-02-06T04:22:34.63 0.1 undecidable manual P 235 9.879 157 0.15 97
7F.SIB3.EHZ. 2023-02-06T04:22:34.47 0.1 undecidable manual P 189 9.7791 157 -0.01 100
IV.MMO1.EHZ. 2023-02-06T04:22:34.35 0.1 undecidable manual P 156 7.5813 162 -0.01 100
7F.SIB1.EHZ. 2023-02-06T04:22:34.57 0.1 undecidable manual P 191 7.5813 162 0.21 97
IV.CSP1.EHZ. 2023-02-06T04:22:34.82 0.1 undecidable manual P 335 15.9729 145 -0.12 97
7F.SIB2.EHZ. 2023-02-06T04:22:34.30 0.1 undecidable manual P 171 7.9809 161 -0.08 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMO1.EHN. ML:1.4 0.00014075425 0.0992 AML other m 2023-02-06T04:22:37.89
IV.MMO1.EHE. ML:1.4 0.00014236699 0.08 AML other m 2023-02-06T04:22:37.89
IV.FDMO.HHE. ML:1.0 0.000049345500000000004 0.24 AML other m 2023-02-06T04:22:39.00
IV.NRCA.HHE. ML:1.5 0.00015844045 0.1184 AML other m 2023-02-06T04:22:39.82
IV.NRCA.HHN. ML:1.3 0.00008441228000000001 0.08 AML other m 2023-02-06T04:22:39.82
IV.NRCA.HNE. ML:1.6 0.00017842615 0.128 AML other m 2023-02-06T04:22:40.37
IV.CESI.HHE. ML:1.2 0.000052794565 0.24 AML other m 2023-02-06T04:22:42.53
IV.CESI.HHN. ML:1.4 0.000080669645 0.2816 AML other m 2023-02-06T04:22:42.51
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