Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.4 on date 07-04-2023 and time 12:07:35 (Italy) in region 3 km W Camerino (MC)

A magnitude ML 0.4 earthquake occured in region: 3 km W Camerino (MC), on

  • 07-04-2023 10:07:35 (UTC)
  • 07-04-2023 12:07:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1320, 13.0340 at 11 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.

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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
Camerino MC 3 6974 6974
Muccia MC 6 915 7889
Pioraco MC 7 1134 9023
Sefro MC 7 422 9445
Pievebovigliana MC 9 866 10311
Castelraimondo MC 9 4587 14898
Serravalle di Chienti MC 9 1070 15968
Pieve Torina MC 10 1458 17426
Fiuminata MC 10 1402 18828
Fiordimonte MC 11 202 19030
Gagliole MC 12 620 19650
Serrapetrona MC 14 966 20616
Matelica MC 14 9981 30597
Fiastra MC 15 559 31156
Esanatoglia MC 15 2034 33190
Monte Cavallo MC 16 145 33335
Caldarola MC 16 1823 35158
San Severino Marche MC 16 12726 47884
Acquacanina MC 16 121 48005
Belforte del Chienti MC 17 1886 49891
Cessapalombo MC 19 512 50403
Camporotondo di Fiastrone MC 19 563 50966
Nocera Umbra PG 20 5839 56805

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NE of Foligno (57155 inhabitants)
52 Km E of Perugia (166134 inhabitants)
67 Km SW of Ancona (100861 inhabitants)
71 Km NE of Terni (111501 inhabitants)
76 Km NW of Teramo (54892 inhabitants)
79 Km S of Fano (60888 inhabitants)
87 Km S of Pesaro (94582 inhabitants)
92 Km NW of L'Aquila (69753 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 0.4 2023-04-07
10:07:35		 43.132 13.0338 11 2024-03-01
17:18:04		 Bollettino Sismico Italiano INGV 116510921
Reviewed
Rev100 		ML 0.4 2023-04-07
10:07:35		 43.1303 13.0308 12 2023-04-07
10:19:18		 Sala Sismica INGV-Roma 116136651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-07 10:07:35 ± 0.04
Latitude 43.1320 ± 0.0027
Longitude 13.0338 ± 0.0025
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116510921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 300
Semi-minor axis of confidence ellipse (meter) 160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 330
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35523
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 116136651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-07 10:19:18

ML:0.4

Field Value
Value 0.4
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 116510921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-19 08:21:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MELA.HHZ. 2023-04-07T10:08:40.43 3.0 undecidable manual Sg 13.85 0
IV.CASP.HHZ. 2023-04-07T10:08:26.13 3.0 undecidable manual Sg 2.09 0
IV.PZUN.HNZ. 2023-04-07T10:08:24.55 3.0 negative manual Pg 14.32 0
GU.GSCL.HHZ. 2023-04-07T10:08:24.97 3.0 undecidable manual Sn -2.68 0
CR.STON.BHZ. 2023-04-07T10:08:21.76 3.0 undecidable manual Pg 14.43 0
IV.ZCCA.HHZ. 2023-04-07T10:08:17.86 3.0 undecidable manual Sn -4.52 0
GU.RORO.HHZ. 2023-04-07T10:08:15.58 3.0 undecidable manual Pn -2.41 0
IV.SGO.HHZ. 2023-04-07T10:08:15.44 3.0 undecidable manual Pg 6.41 0
IX.COL3.HHZ.02 2023-04-07T10:08:12.60 3.0 undecidable manual Pg 4.94 0
GU.CANO.HHZ. 2023-04-07T10:08:11.89 3.0 undecidable manual Pn -4.67 0
IV.MCRV.HHZ. 2023-04-07T10:08:08.97 3.0 undecidable manual Pg 3.03 0
IV.MOCO.HHZ. 2023-04-07T10:08:02.83 3.0 undecidable manual Pg 3.38 0
IV.PTCC.HHZ. 2023-04-07T10:08:01.20 3.0 undecidable manual Pn -2.58 0
IV.CIGN.HHZ. 2023-04-07T10:07:53.30 3.0 positive manual Pn -2.16 0
IV.IMOL.HNZ. 2023-04-07T10:07:52.12 3.0 positive manual Pg 3.7 0
IV.SSFR.HHN. 2023-04-07T10:07:48.30 0.3 undecidable manual S 329 39.4272 90 0.01 72
IV.RIBO.EHZ.01 2023-04-07T10:07:48.07 3.0 undecidable manual Pn -4.4 0
7F.SIB1.EHE. 2023-04-07T10:07:46.37 0.6 undecidable manual S 144 32.5452 90 -0.09 47
IV.ASSB.HHN. 2023-04-07T10:07:46.29 0.6 undecidable manual S 252 31.9458 90 -0.02 49
IV.EL6.EHZ. 2023-04-07T10:07:43.89 0.3 undecidable manual S 14 22.5552 90 0.09 73
IV.SSFR.HHN. 2023-04-07T10:07:42.85 0.3 undecidable manual P 329 39.4272 90 0.05 71
IV.CESI.HHZ. 2023-04-07T10:07:42.38 0.3 undecidable manual S 217 17.5713 90 -0.08 74
IV.MMO1.EHN. 2023-04-07T10:07:42.37 0.6 undecidable manual P 137 35.0427 90 0.23 47
IV.SNTG.HHZ. 2023-04-07T10:07:41.83 0.3 undecidable manual S 331 15.5733 90 -0.11 75
7F.SIB1.EHE. 2023-04-07T10:07:41.61 0.3 undecidable manual P 144 32.5452 90 -0.14 71
IV.CSP1.EHZ. 2023-04-07T10:07:41.81 0.3 undecidable manual S 108 14.5743 90 0.15 74
IV.ASSB.HHN. 2023-04-07T10:07:41.98 0.6 undecidable manual P 252 31.9458 90 0.32 46
IV.FDMO.HHZ. 2023-04-07T10:07:40.73 0.3 undecidable manual S 158 11.4774 111 -0.12 74
IV.EL6.EHZ. 2023-04-07T10:07:40.01 0.3 undecidable manual P 14 22.5552 90 -0.2 72
IV.CSP1.EHZ. 2023-04-07T10:07:39.11 0.3 undecidable manual P 108 14.5743 90 0.13 74
IV.CESI.HHZ. 2023-04-07T10:07:39.23 0.1 undecidable manual P 217 17.5713 90 -0.21 96
IV.MML1.HNE. 2023-04-07T10:07:39.91 0.3 undecidable manual S 248 5.3946 145 0.31 72
IV.SNTG.HHZ. 2023-04-07T10:07:39.06 0.3 undecidable manual P 331 15.5733 90 -0.08 75
IV.FDMO.HHZ. 2023-04-07T10:07:38.47 0.1 undecidable manual P 158 11.4774 111 -0.04 100
IV.MML1.HNE. 2023-04-07T10:07:38.06 0.1 undecidable manual P 248 5.3946 145 0.27 97
IV.PF6.EHN. 2023-04-07T10:07:38.38 0.6 undecidable manual P 87 12.9759 99 -0.36 47
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNTG.HHE. ML:0.4 0.00002145 0.28 AML other m 2023-04-07T10:07:42.14
IV.SNTG.HHN. ML:0.4 0.000023 1.36 AML other m 2023-04-07T10:07:42.15
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