Earthquake with magnitude of ML 1.2 on date 11-02-2023 and time 07:28:15 (UTC) in region 4 km NE Castelsantangelo sul Nera (MC)

A magnitude ML 1.2 earthquake occured in region: 4 km NE Castelsantangelo sul Nera (MC), on

  • 11-02-2023 07:28:15 (UTC)
  • 11-02-2023 08:28:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9200, 13.1940 at 12 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
Castelsantangelo sul Nera MC 4 281 281
Ussita MC 5 444 725
Visso MC 9 1107 1832
Bolognola MC 9 142 1974
Montemonaco AP 11 604 2578
Acquacanina MC 12 121 2699
Montefortino FM 12 1178 3877
Preci PG 13 724 4601
Fiastra MC 13 559 5160
Montegallo AP 14 523 5683
Amandola FM 15 3629 9312
Fiordimonte MC 16 202 9514
Sarnano MC 16 3264 12778
Norcia PG 16 4957 17735
Monte Cavallo MC 18 145 17880
Pieve Torina MC 18 1458 19338
Pievebovigliana MC 18 866 20204
Arquata del Tronto AP 18 1178 21382
Comunanza AP 19 3166 24548

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Foligno (57155 inhabitants)
51 Km NW of Teramo (54892 inhabitants)
60 Km NE of Terni (111501 inhabitants)
65 Km N of L'Aquila (69753 inhabitants)
69 Km E of Perugia (166134 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
90 Km NW of Montesilvano (53738 inhabitants)
98 Km NW of Pescara (121014 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 1.2 2023-02-11
07:28:15
42.9205 13.1935 12 2024-03-01
17:18:07
Bollettino Sismico Italiano INGV 117251751
Reviewed
Rev100
ML 1.1 2023-02-11
07:28:15
42.9235 13.1893 11 2023-02-11
07:34:05
Sala Sismica INGV-Roma 114336111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-11 07:28:15 ± 0.05
Latitude 42.9205 ± 0.0036
Longitude 13.1935 ± 0.0037
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117251751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 295
Semi-minor axis of confidence ellipse (meter) 249
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 43
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00989
Epicentral distance of station farthest from the epicenter (degree) 0.42358
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 114336111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-11 07:34:05

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 117251751
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-11 14:32:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2023-02-11T07:28:30.89 0.6 undecidable manual S 135 47.0196 91 0.31 45
IV.SMA1.EHZ. 2023-02-11T07:28:27.26 0.6 undecidable manual S 160 34.1436 91 0.1 48
IV.MML1.EHZ. 2023-02-11T07:28:25.52 0.3 undecidable manual S 320 27.9498 92 0.02 74
IV.CESI.HHZ. 2023-02-11T07:28:24.90 0.1 undecidable manual S 292 25.2525 92 0.12 97
IV.MF5.EHZ. 2023-02-11T07:28:24.65 0.3 undecidable manual S 71 22.8549 93 0.51 66
IV.CSP1.EHZ. 2023-02-11T07:28:23.02 0.3 undecidable manual S 3 19.0698 95 -0.1 74
IV.TERO.HHZ. 2023-02-11T07:28:23.99 1.0 undecidable manual P 135 47.0196 91 -0.25 23
IV.SMA1.EHZ. 2023-02-11T07:28:22.21 1.0 undecidable manual P 160 34.1436 91 -0.05 24
IT.MTCL.HGZ. 2023-02-11T07:28:22.64 0.3 undecidable manual S 297 17.7711 96 -0.13 73
IV.NRCA.HHZ. 2023-02-11T07:28:21.17 0.3 undecidable manual S 214 11.5773 116 -0.03 75
IV.FEMA.HNE. 2023-02-11T07:28:21.57 0.6 undecidable manual S 292 12.5763 112 0.14 49
IV.FDMO.HHZ. 2023-02-11T07:28:21.87 0.3 undecidable manual S 326 15.4734 101 -0.31 71
IV.MML1.EHZ. 2023-02-11T07:28:21.21 1.0 positive manual P 320 27.9498 92 -0.09 24
IV.MMO1.EHZ. 2023-02-11T07:28:20.87 0.3 undecidable manual S 102 11.0778 119 -0.2 73
IV.MTRA.EHE. 2023-02-11T07:28:20.72 0.3 undecidable manual P 138 24.5532 93 -0.06 73
7F.SIB3.EHZ. 2023-02-11T07:28:20.10 0.3 undecidable manual S 129 7.9809 133 -0.31 72
IV.MF5.EHZ. 2023-02-11T07:28:20.77 0.1 undecidable manual P 71 22.8549 93 0.25 94
IV.CESI.HHZ. 2023-02-11T07:28:20.88 0.1 positive manual P 292 25.2525 92 -0.01 98
IV.PF6.EHN. 2023-02-11T07:28:20.46 0.1 undecidable manual P 0 24.1536 93 -0.25 94
7F.SIB1.EHZ. 2023-02-11T07:28:20.29 0.3 undecidable manual S 115 6.8931 139 0.09 75
IV.GUMA.HHZ. 2023-02-11T07:28:20.14 0.3 undecidable manual P 36 19.5693 95 0.13 73
7F.SIB2.EHZ. 2023-02-11T07:28:20.42 0.3 undecidable manual S 110 9.5793 126 -0.31 72
IV.MC2.EHZ. 2023-02-11T07:28:19.83 0.3 undecidable manual S 200 1.0989 173 0.26 73
IT.MTCL.HGZ. 2023-02-11T07:28:19.59 0.1 undecidable manual P 297 17.7711 96 -0.14 97
IV.CSP1.EHZ. 2023-02-11T07:28:19.83 0.1 negative manual P 3 19.0698 95 -0.1 98
IV.FEMA.HNE. 2023-02-11T07:28:19.04 0.3 undecidable manual P 292 12.5763 112 0.08 75
IV.FDMO.HHZ. 2023-02-11T07:28:19.36 0.1 undecidable manual P 326 15.4734 101 -0.03 100
7F.SIB2.EHZ. 2023-02-11T07:28:18.40 0.1 undecidable manual P 110 9.5793 126 -0.15 99
IV.MC2.EHZ. 2023-02-11T07:28:18.17 0.1 undecidable manual P 200 1.0989 173 0.29 97
IV.MMO1.EHZ. 2023-02-11T07:28:18.66 0.6 undecidable manual P 102 11.0778 119 -0.09 50
7F.SIB3.EHZ. 2023-02-11T07:28:18.27 0.1 undecidable manual P 129 7.9809 133 -0.1 100
IV.NRCA.HHZ. 2023-02-11T07:28:18.87 0.3 undecidable manual P 214 11.5773 116 0.05 76
7F.SIB1.EHZ. 2023-02-11T07:28:18.40 0.1 undecidable manual P 115 6.8931 139 0.16 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMO1.EHN. ML:1.0 0.000117 0.66 AML other m 2023-02-11T07:28:21.03
IV.MMO1.EHE. ML:1.1 0.000135 0.88 AML other m 2023-02-11T07:28:21.50
IV.NRCA.HHN. ML:1.2 0.00017150000000000002 0.38 AML other m 2023-02-11T07:28:21.81
IV.NRCA.HHE. ML:1.3 0.000224 0.08 AML other m 2023-02-11T07:28:21.80
IV.FDMO.HHE. ML:1.1 0.0000995 1.24 AML other m 2023-02-11T07:28:21.32
IV.FDMO.HHN. ML:1.3 0.000192 0.22 AML other m 2023-02-11T07:28:22.26
IV.GUMA.HHE. ML:1.2 0.00012945 0.94 AML other m 2023-02-11T07:28:23.88
IV.GUMA.HHN. ML:1.2 0.00011899999999999999 0.62 AML other m 2023-02-11T07:28:24.01
IV.MML1.EHE. ML:0.8 0.00003685 0.3 AML other m 2023-02-11T07:28:25.81
IV.MML1.EHN. ML:1.1 0.00007209999999999999 0.72 AML other m 2023-02-11T07:28:25.71
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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