Earthquake with magnitude of ML 1.4 on date 25-04-2023 and time 02:57:38 (Italy) in region 3 km SW Visso (MC)

A magnitude ML 1.4 earthquake occured in region: 3 km SW Visso (MC), on

  • 25-04-2023 00:57:38 (UTC)
  • 25-04-2023 02:57:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9080, 13.0720 at 10 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Visso MC 3 1107 1107
Preci PG 4 724 1831
Castelsantangelo sul Nera MC 7 281 2112
Ussita MC 7 444 2556
Monte Cavallo MC 11 145 2701
Sellano PG 12 1079 3780
Norcia PG 13 4957 8737
Fiordimonte MC 15 202 8939
Pieve Torina MC 15 1458 10397
Cerreto di Spoleto PG 16 1075 11472
Fiastra MC 16 559 12031
Bolognola MC 16 142 12173
Acquacanina MC 16 121 12294
Pievebovigliana MC 17 866 13160
Muccia MC 20 915 14075

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Foligno (57155 inhabitants)
52 Km NE of Terni (111501 inhabitants)
59 Km W of Teramo (54892 inhabitants)
60 Km E of Perugia (166134 inhabitants)
67 Km NW of L'Aquila (69753 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
96 Km NE of Viterbo (67173 inhabitants)
98 Km W of Montesilvano (53738 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 1.4 2023-04-25
00:57:38
42.9077 13.0718 10 2023-04-25
01:03:56
Sala Sismica INGV-Roma 116720441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-25 00:57:38 ± 0.05
Latitude 42.9077 ± 0.0027
Longitude 13.0718 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116720441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 334
Semi-minor axis of confidence ellipse (meter) 290
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 38
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 43
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 27
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38221
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 116720441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-25 01:03:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTCE.HHZ. 2023-04-25T00:57:56.70 3.0 undecidable manual P 0.43 0
IV.ASSB.HHZ. 2023-04-25T00:57:50.42 0.3 undecidable manual S 294 36.741 50 -0.28 69
IV.GUMA.HHZ. 2023-04-25T00:57:48.62 0.3 undecidable manual S 51 27.4503 50 0.4 68
IV.GAVE.EHN. 2023-04-25T00:57:48.25 0.3 undecidable manual S 211 27.9498 50 -0.11 72
IV.MNTT.EHZ. 2023-04-25T00:57:47.66 3.0 negative manual P 0.28 0
IV.SMA1.EHZ. 2023-04-25T00:57:46.73 1.0 positive manual P 145 37.5291 50 1.17 16
IV.MOMA.HHZ. 2023-04-25T00:57:46.63 0.6 undecidable manual P 254 42.4242 50 0.32 45
IV.MMO1.EHZ. 2023-04-25T00:57:46.04 0.3 undecidable manual S 92 20.7681 116 -0.22 71
IV.CSP1.EHZ. 2023-04-25T00:57:46.80 0.3 undecidable manual S 28 23.0547 114 -0.21 71
IV.CESI.HHZ. 2023-04-25T00:57:45.24 0.1 undecidable manual S 309 17.3715 120 0.02 100
IV.ASSB.HHZ. 2023-04-25T00:57:45.27 0.3 undecidable manual P 294 36.741 50 -0.17 70
IV.SNTG.HHZ. 2023-04-25T00:57:45.72 0.6 undecidable manual P 345 39.9267 50 -0.22 46
7F.SIB3.EHE. 2023-04-25T00:57:44.75 0.3 undecidable manual S 103 16.4724 122 -0.22 72
IV.LNSS.HHE. 2023-04-25T00:57:44.84 0.6 undecidable manual P 184 33.9438 50 -0.17 47
IV.FDMO.HHZ. 2023-04-25T00:57:44.19 0.3 undecidable manual S 5 14.3745 125 -0.16 73
IV.GUMA.HHZ. 2023-04-25T00:57:44.17 0.1 positive manual P 51 27.4503 50 0.16 95
IV.CSP1.EHZ. 2023-04-25T00:57:43.24 0.3 undecidable manual P 28 23.0547 114 -0.06 74
IT.MTCL.HGE. 2023-04-25T00:57:43.37 0.3 undecidable manual S 328 11.2776 132 -0.14 74
IV.GAVE.EHN. 2023-04-25T00:57:43.96 0.3 undecidable manual P 211 27.9498 50 -0.12 72
IV.MML1.EHZ. 2023-04-25T00:57:43.32 0.1 undecidable manual P 340 24.2535 113 -0.19 95
IV.FEMA.HNZ. 2023-04-25T00:57:42.66 0.3 undecidable manual S 343 6.2937 148 0.26 73
IV.CESI.HHZ. 2023-04-25T00:57:42.38 0.1 positive manual P 309 17.3715 120 0.1 98
IV.NRCA.HHZ. 2023-04-25T00:57:42.91 0.3 undecidable manual S 157 8.88 139 -0.03 76
7F.SIB3.EHE. 2023-04-25T00:57:42.01 0.1 undecidable manual P 103 16.4724 122 -0.12 98
IV.MMO1.EHZ. 2023-04-25T00:57:42.85 0.6 negative manual P 92 20.7681 116 -0.02 50
IV.NRCA.HHZ. 2023-04-25T00:57:41.12 0.1 undecidable manual P 157 8.88 139 0.16 98
IV.FDMO.HHZ. 2023-04-25T00:57:41.90 0.3 undecidable manual P 5 14.3745 125 0.13 74
IT.MTCL.HGE. 2023-04-25T00:57:41.41 0.3 undecidable manual P 328 11.2776 132 0.13 74
IV.FEMA.HNZ. 2023-04-25T00:57:40.97 0.1 undecidable manual P 343 6.2937 148 0.33 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.3 0.0001525 0.1 AML other m 2023-04-25T00:57:45.33
IV.CESI.HHN. ML:1.4 0.0002035 0.18 AML other m 2023-04-25T00:57:45.51
IV.MMO1.EHN. ML:1.2 0.000123 0.48 AML other m 2023-04-25T00:57:46.57
IV.MMO1.EHE. ML:1.4 0.00017449999999999999 0.34 AML other m 2023-04-25T00:57:46.40
IV.CSP1.EHE. ML:1.6 0.000235 0.44 AML other m 2023-04-25T00:57:47.30
IV.CSP1.EHN. ML:1.6 0.000228 1.18 AML other m 2023-04-25T00:57:47.00
IV.GUMA.HHN. ML:1.4 0.0001475 0.36 AML other m 2023-04-25T00:57:48.80
IV.GUMA.HHE. ML:1.3 0.00011085 1.32 AML other m 2023-04-25T00:57:49.08
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