Earthquake with magnitude of ML 1.4 on date 24-04-2023 and time 14:34:20 (Italy) in region 2 km W Visso (MC)

A magnitude ML 1.4 earthquake occured in region: 2 km W Visso (MC), on

  • 24-04-2023 12:34:20 (UTC)
  • 24-04-2023 14:34:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9280, 13.0590 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
Visso MC 3 1107 1107
Preci PG 6 724 1831
Ussita MC 7 444 2275
Castelsantangelo sul Nera MC 9 281 2556
Monte Cavallo MC 9 145 2701
Sellano PG 12 1079 3780
Fiordimonte MC 12 202 3982
Pieve Torina MC 13 1458 5440
Fiastra MC 14 559 5999
Acquacanina MC 15 121 6120
Pievebovigliana MC 15 866 6986
Norcia PG 15 4957 11943
Bolognola MC 16 142 12085
Cerreto di Spoleto PG 17 1075 13160
Muccia MC 17 915 14075
Serravalle di Chienti MC 18 1070 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Foligno (57155 inhabitants)
53 Km NE of Terni (111501 inhabitants)
58 Km E of Perugia (166134 inhabitants)
61 Km NW of Teramo (54892 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
96 Km NE of Viterbo (67173 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 1.4 2023-04-24
12:34:20
42.9283 13.0592 12 2024-03-01
17:18:07
Bollettino Sismico Italiano INGV 117179971
Reviewed
Rev100
ML 1.5 2023-04-24
12:34:20
42.9247 13.0513 12 2023-04-24
12:49:24
Sala Sismica INGV-Roma 116702491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-24 12:34:20 ± 0.04
Latitude 42.9283 ± 0.0027
Longitude 13.0592 ± 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 117179971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 277
Semi-minor axis of confidence ellipse (meter) 102
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 227
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 40
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 38
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.50272
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 117179971
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-09 12:25:17

ML:1.5

Field Value
Value 1.5
Uncertainty 0.5
Num. used stations 22
Type of magnitude ML
Reference to an origin 116702491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-24 12:49:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TDS.HHZ. 2023-04-24T12:36:08.37 3.0 undecidable manual Sn -2.88 0
IV.MCEL.HHZ. 2023-04-24T12:35:55.13 3.0 undecidable manual Sn 2.93 0
MN.BNI.HHZ. 2023-04-24T12:35:43.16 3.0 positive manual Pn 8.32 0
IV.MTMR.HNZ. 2023-04-24T12:35:40.44 3.0 undecidable manual Sg 8.71 0
IV.SALB.HHZ. 2023-04-24T12:35:31.27 3.0 positive manual Pg 11 0
IV.PAOL.HHZ. 2023-04-24T12:35:23.19 3.0 undecidable manual Sn -1.89 0
IV.BDI.HHZ. 2023-04-24T12:35:20.80 3.0 undecidable manual Sn -0.02 0
OT.OT15.EHZ. 2023-04-24T12:35:20.14 3.0 negative manual Pg 7.47 0
IV.PTRJ.HHZ. 2023-04-24T12:35:16.99 3.0 undecidable manual Sn -0.82 0
IV.RIBO.EHZ.01 2023-04-24T12:35:10.95 3.0 undecidable manual Sg 5.33 0
IV.GIUL.HHZ. 2023-04-24T12:35:06.57 3.0 undecidable manual S 1.75 0
IV.VITU.HHZ. 2023-04-24T12:34:58.28 3.0 undecidable manual Pg 3.06 0
IV.CESX.HHE. 2023-04-24T12:34:37.34 0.3 undecidable manual S 227 52.3032 91 0.27 68
IV.ASSB.HHZ. 2023-04-24T12:34:32.24 0.6 undecidable manual S 291 34.8429 91 -0.17 46
IV.LNSS.HHZ. 2023-04-24T12:34:32.88 0.3 undecidable manual S 182 36.1416 91 0.13 71
IV.GUMA.HHZ. 2023-04-24T12:34:30.54 0.3 undecidable manual S 56 26.8509 92 0.26 69
IV.CESX.HHE. 2023-04-24T12:34:30.35 0.1 undecidable manual P 227 52.3032 91 0.22 90
IV.TERO.HHZ. 2023-04-24T12:34:30.75 1.0 positive manual P 127 55.7997 91 0.08 23
IV.PF6.EHN. 2023-04-24T12:34:29.61 0.3 undecidable manual S 25 25.6521 92 -0.35 69
IV.RM33.EHZ. 2023-04-24T12:34:29.42 1.0 positive manual P 165 48.2184 91 -0.07 23
IV.EL6.EHZ. 2023-04-24T12:34:28.99 0.6 positive manual P 4 44.622 91 0.05 47
IV.MML1.EHZ. 2023-04-24T12:34:28.82 0.3 undecidable manual S 341 21.7671 93 -0.08 73
7F.SIB2.EHE. 2023-04-24T12:34:28.25 0.3 undecidable manual S 102 20.2686 93 -0.27 70
IV.SMA1.EHZ. 2023-04-24T12:34:28.09 1.0 positive manual P 146 39.9267 91 -0.13 23
IV.MOMA.HNZ. 2023-04-24T12:34:28.79 0.1 undecidable manual P 251 42.1245 91 0.24 92
IV.MMO1.EHZ. 2023-04-24T12:34:28.96 0.3 undecidable manual S 98 21.9669 93 -0.01 74
IV.ARRO.EHZ. 2023-04-24T12:34:28.71 0.1 undecidable manual P 212 45.5211 91 -0.37 87
IV.CSP1.EHZ. 2023-04-24T12:34:28.90 0.3 undecidable manual S 33 21.6672 93 0.02 73
IV.LNSS.HHZ. 2023-04-24T12:34:27.48 0.3 undecidable manual P 182 36.1416 91 -0.15 69
IV.CESI.HHZ. 2023-04-24T12:34:27.12 0.6 undecidable manual S 304 15.1737 100 -0.04 49
IV.MF5.EHZ. 2023-04-24T12:34:27.51 0.1 undecidable manual P 78 33.1446 91 0.34 90
IV.ASSB.HHZ. 2023-04-24T12:34:27.33 0.1 positive manual P 291 34.8429 91 -0.11 94
IV.SNTG.HHZ. 2023-04-24T12:34:27.82 0.3 undecidable manual P 345 37.4292 91 -0.02 72
7F.SIB3.EHN. 2023-04-24T12:34:27.64 0.6 undecidable manual S 109 18.1707 95 -0.3 47
IV.FDMO.HHN. 2023-04-24T12:34:26.31 0.6 undecidable manual S 11 12.1767 112 -0.09 50
IV.GUMA.HHZ. 2023-04-24T12:34:26.49 0.3 undecidable manual P 56 26.8509 92 0.28 69
IV.NRCA.HNZ. 2023-04-24T12:34:26.06 0.6 undecidable manual S 157 11.4774 116 -0.16 48
IV.MMO1.EHZ. 2023-04-24T12:34:25.49 0.1 negative manual P 98 21.9669 93 0.04 98
IV.CSP1.EHZ. 2023-04-24T12:34:25.49 0.3 positive manual P 33 21.6672 93 0.09 72
IV.PF6.EHN. 2023-04-24T12:34:25.56 0.3 undecidable manual P 25 25.6521 92 -0.46 67
IT.MTCL.HGZ. 2023-04-24T12:34:25.43 0.3 undecidable manual S 326 8.7801 129 -0.18 74
IV.MML1.EHZ. 2023-04-24T12:34:25.44 1.0 positive manual P 341 21.7671 93 0.03 25
7F.SIB2.EHE. 2023-04-24T12:34:25.18 0.1 undecidable manual P 102 20.2686 93 -0.01 99
7F.SIB3.EHN. 2023-04-24T12:34:24.76 0.1 undecidable manual P 109 18.1707 95 -0.1 97
IV.FDMO.HHN. 2023-04-24T12:34:24.07 0.1 undecidable manual P 11 12.1767 112 0.1 98
IV.CESI.HHZ. 2023-04-24T12:34:24.50 0.1 undecidable manual P 304 15.1737 100 0.1 98
IV.FEMA.HNE. 2023-04-24T12:34:24.82 0.6 undecidable manual S 348 3.7962 156 0.01 50
IT.MTCL.HGZ. 2023-04-24T12:34:23.56 0.1 undecidable manual P 326 8.7801 129 0.05 100
IV.FEMA.HNE. 2023-04-24T12:34:23.27 0.1 undecidable manual P 348 3.7962 156 0.22 97
IV.NRCA.HNZ. 2023-04-24T12:34:23.91 0.1 positive manual P 157 11.4774 116 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.4 0.00020250000000000002 0.18 AML other m 2023-04-24T12:34:27.44
IV.CESI.HHE. ML:1.2 0.00014800000000000002 0.2 AML other m 2023-04-24T12:34:27.44
IV.CSP1.EHN. ML:1.8 0.00041600000000000003 0.58 AML other m 2023-04-24T12:34:29.30
IV.MML1.EHN. ML:1.2 0.000115 1.14 AML other m 2023-04-24T12:34:29.33
IV.MMO1.EHE. ML:1.3 0.000127 0.2 AML other m 2023-04-24T12:34:29.66
IV.MML1.EHE. ML:1.4 0.00015050000000000003 0.22 AML other m 2023-04-24T12:34:29.91
IV.CSP1.EHE. ML:1.8 0.0004445 0.36 AML other m 2023-04-24T12:34:29.71
IV.MMO1.EHN. ML:1.4 0.0001565 0.68 AML other m 2023-04-24T12:34:30.28
IV.GUMA.HHE. ML:1.8 0.0003175 0.18 AML other m 2023-04-24T12:34:31.10
IV.GUMA.HHN. ML:1.5 0.0001725 0.38 AML other m 2023-04-24T12:34:31.41
IV.ASSB.HHN. ML:1.1 0.0000521 1.02 AML other m 2023-04-24T12:34:33.14
IV.ASSB.HHE. ML:1.1 0.000057300000000000004 0.1 AML other m 2023-04-24T12:34:34.08
IV.LNSS.HHN. ML:1.2 0.0000665 0.78 AML other m 2023-04-24T12:34:34.47
IV.LNSS.HHE. ML:1.2 0.00006415 1 AML other m 2023-04-24T12:34:36.58
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download