Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 06-04-2024 and time 16:22:30 (Italy) in region 6 km SW Sefro (MC)

A magnitude ML 1.3 earthquake occured in region: 6 km SW Sefro (MC), on

  • 06-04-2024 14:22:30 (UTC)
  • 06-04-2024 16:22:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1100, 12.9000 at 21 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
Sefro MC 6 422 422
Serravalle di Chienti MC 6 1070 1492
Nocera Umbra PG 9 5839 7331
Fiuminata MC 9 1402 8733
Pioraco MC 10 1134 9867
Muccia MC 12 915 10782
Valtopina PG 13 1398 12180
Camerino MC 14 6974 19154
Pieve Torina MC 14 1458 20612
Monte Cavallo MC 15 145 20757
Pievebovigliana MC 16 866 21623
Esanatoglia MC 16 2034 23657
Gualdo Tadino PG 16 15208 38865
Castelraimondo MC 17 4587 43452
Fiordimonte MC 17 202 43654
Matelica MC 19 9981 53635
Gagliole MC 20 620 54255

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NE of Foligno (57155 inhabitants)
42 Km E of Perugia (166134 inhabitants)
64 Km NE of Terni (111501 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
82 Km S of Fano (60888 inhabitants)
83 Km NW of Teramo (54892 inhabitants)
89 Km S of Pesaro (94582 inhabitants)
91 Km E of Arezzo (99543 inhabitants)
94 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
Reviewed
Rev100 		ML 1.3 2024-04-06
14:22:30		 43.1105 12.9003 21 2024-04-06
14:29:46		 Sala Sismica INGV-Roma 126526771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-06 14:22:30 ± 0.1
Latitude 43.1105 ± 0.0036
Longitude 12.9003 ± 0.0074
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126526771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 567
Semi-minor axis of confidence ellipse (meter) 210
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 85
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 19
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) 0.38851
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 23
Type of magnitude ML
Reference to an origin 126526771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-06 14:29:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2024-04-06T14:22:45.45 0.3 undecidable manual S 4 43.1235 108 0.53 63
IV.NRCA.HHZ. 2024-04-06T14:22:43.20 0.6 undecidable manual S 150 35.2425 112 0.24 46
IV.NARO.HHZ. 2024-04-06T14:22:41.79 3.0 positive manual P -0.06 0
IV.FOSV.EHZ. 2024-04-06T14:22:40.12 0.6 undecidable manual S 331 23.3544 125 -0.03 49
IV.CSP1.EHZ. 2024-04-06T14:22:40.62 0.6 undecidable manual S 95 24.753 123 0.16 47
IV.ASSB.HHZ. 2024-04-06T14:22:39.76 0.3 undecidable manual S 249 20.9679 128 0.12 73
IV.MOMA.HHZ. 2024-04-06T14:22:39.71 3.0 negative manual P 0.4 0
IV.ARVD.HHZ. 2024-04-06T14:22:38.40 0.6 undecidable manual P 4 43.1235 108 -0.44 43
IV.ATCC.EHZ. 2024-04-06T14:22:38.45 3.0 undecidable manual P 0
IV.SNTG.HHZ. 2024-04-06T14:22:38.61 0.3 undecidable manual S 11 16.3725 137 -0.12 73
IT.MTCL.HGZ. 2024-04-06T14:22:38.52 0.3 undecidable manual S 148 15.1737 139 -0.01 75
IV.MML1.EHZ. 2024-04-06T14:22:37.33 0.3 undecidable manual S 87 5.7942 163 0.05 75
IV.NRCA.HHZ. 2024-04-06T14:22:37.55 0.6 undecidable manual P 150 35.2425 112 -0.16 47
IV.CESI.HHZ. 2024-04-06T14:22:37.89 0.3 undecidable manual S 178 11.6772 147 -0.07 74
IV.SSFR.HHZ. 2024-04-06T14:22:37.93 0.3 positive manual P 345 37.3293 111 -0.08 71
IV.FOSV.EHZ. 2024-04-06T14:22:36.06 0.6 negative manual P 331 23.3544 125 -0.03 49
IV.CSP1.EHZ. 2024-04-06T14:22:36.25 0.3 negative manual P 95 24.753 123 -0.01 74
IT.MTCL.HGZ. 2024-04-06T14:22:35.09 0.1 undecidable manual P 148 15.1737 139 -0.06 99
IV.ASSB.HHZ. 2024-04-06T14:22:35.88 0.1 undecidable manual P 249 20.9679 128 0.09 98
IV.SNTG.HHZ. 2024-04-06T14:22:35.13 0.1 positive manual P 11 16.3725 137 -0.14 97
IV.MML1.EHZ. 2024-04-06T14:22:34.37 1.0 undecidable manual P 87 5.7942 163 -0.05 25
IV.CESI.HHZ. 2024-04-06T14:22:34.80 0.1 undecidable manual P 178 11.6772 147 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHE. ML:1.3 0.0001565 0.2 AML other m 2024-04-06T14:22:37.50
IV.CESI.HHE. ML:1.5 0.0001975 0.46 AML other m 2024-04-06T14:22:38.09
IV.CESI.HNN. ML:1.6 0.0002475 0.32 AML other m 2024-04-06T14:22:38.25
IV.CESI.HNE. ML:1.5 0.0002055 0.5 AML other m 2024-04-06T14:22:38.09
IV.MML1.EHN. ML:1.0 0.00007495 0.48 AML other m 2024-04-06T14:22:38.30
IV.CESI.HHN. ML:1.5 0.0002255 0.32 AML other m 2024-04-06T14:22:38.25
IT.MTCL.HGE. ML:3.6 0.024550000000000002 1.64 AML other m 2024-04-06T14:22:38.02
IV.SNTG.HHE. ML:1.3 0.0001255 0.1 AML other m 2024-04-06T14:22:38.87
IV.SNTG.HHN. ML:1.2 0.00009115 0.1 AML other m 2024-04-06T14:22:38.89
IT.MTCL.HGN. ML:3.6 0.0238 0.08 AML other m 2024-04-06T14:22:38.98
IV.ASSB.HHN. ML:1.3 0.0000989 0.34 AML other m 2024-04-06T14:22:40.01
IV.FOSV.EHE. ML:1.0 0.000055849999999999996 0.16 AML other m 2024-04-06T14:22:40.24
IV.ASSB.HHE. ML:1.2 0.00008724999999999999 0.18 AML other m 2024-04-06T14:22:40.18
IV.FOSV.EHN. ML:1.2 0.00007025000000000001 0.2 AML other m 2024-04-06T14:22:40.36
IV.NRCA.HHN. ML:1.4 0.00009470000000000001 0.12 AML other m 2024-04-06T14:22:43.48
IV.NRCA.HHE. ML:1.4 0.0000971 0.18 AML other m 2024-04-06T14:22:43.60
IV.SSFR.HHE. ML:1.2 0.0000555 0.62 AML other m 2024-04-06T14:22:44.28
IV.SSFR.HHN. ML:1.2 0.0000553 0.62 AML other m 2024-04-06T14:22:45.02
IV.MML1.HNE. ML:1.2 0.000115046005 0.81 AML other m 2024-04-06T14:22:38.54
IV.SNTG.HNE. ML:1.4 0.00015201625000000002 0.11 AML other m 2024-04-06T14:22:38.92
IV.CSP1.EHE. ML:1.3 0.00008669563999999999 0.1 AML other m 2024-04-06T14:22:41.15
IV.CSP1.EHN. ML:1.5 0.000157953555 1.64 AML other m 2024-04-06T14:22:41.81
IV.ARVD.HHE. ML:0.8 0.000022492974999999998 0.14 AML other m 2024-04-06T14:22:45.70
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