Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 30-09-2022 and time 23:40:19 (UTC) in region 3 km W Sefro (MC)

A magnitude ML 0.6 earthquake occured in region: 3 km W Sefro (MC), on

  • 30-09-2022 23:40:19 (UTC)
  • 01-10-2022 01:40:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1370, 12.9120 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
Sefro MC 3 422 422
Fiuminata MC 6 1402 1824
Pioraco MC 8 1134 2958
Serravalle di Chienti MC 8 1070 4028
Nocera Umbra PG 10 5839 9867
Muccia MC 12 915 10782
Camerino MC 13 6974 17756
Esanatoglia MC 13 2034 19790
Castelraimondo MC 14 4587 24377
Gualdo Tadino PG 15 15208 39585
Pieve Torina MC 15 1458 41043
Valtopina PG 15 1398 42441
Matelica MC 16 9981 52422
Pievebovigliana MC 16 866 53288
Gagliole MC 17 620 53908
Monte Cavallo MC 17 145 54053
Fiordimonte MC 18 202 54255

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NE of Foligno (57155 inhabitants)
43 Km E of Perugia (166134 inhabitants)
68 Km NE of Terni (111501 inhabitants)
73 Km SW of Ancona (100861 inhabitants)
79 Km S of Fano (60888 inhabitants)
84 Km NW of Teramo (54892 inhabitants)
86 Km S of Pesaro (94582 inhabitants)
91 Km E of Arezzo (99543 inhabitants)
96 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 0.6 2022-09-30
23:40:19		 43.137 12.9125 11 2024-03-01
15:28:16		 Bollettino Sismico Italiano INGV 113745211
Reviewed
Rev100 		ML 0.3 2022-09-30
23:40:19		 43.1398 12.8983 11 2022-10-01
00:12:05		 Sala Sismica INGV-Roma 110356611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-30 23:40:19 ± 0.04
Latitude 43.1370 ± 0.0027
Longitude 12.9125 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 113745211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 346
Semi-minor axis of confidence ellipse (meter) 263
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 56
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33725
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.1
Num. used stations 9
Type of magnitude ML
Reference to an origin 113745211
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-01-23 15:53:22

ML:0.3

Field Value
Value 0.3
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 110356611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-10-01 00:12:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GRIS.EHZ. 2022-09-30T23:41:43.64 3.0 undecidable manual Sg 8.47 0
IV.BAG8.EHZ. 2022-09-30T23:41:14.68 3.0 negative manual Pg 6.77 0
IV.MRB1.HHZ. 2022-09-30T23:40:58.12 3.0 undecidable manual Sn 0.46 0
MN.TRI.HHZ. 2022-09-30T23:40:54.87 3.0 undecidable manual Pg -0.48 0
IV.MCRV.HHZ. 2022-09-30T23:40:43.64 3.0 undecidable manual Pn 4.36 0
IV.GATE.HHZ. 2022-09-30T23:40:42.86 3.0 undecidable manual S -6.29 0
IV.NRCA.HHZ. 2022-09-30T23:40:32.29 1.0 undecidable manual S 154 37.4292 50 0.21 23
IV.MC2.EHZ. 2022-09-30T23:40:31.11 0.6 undecidable manual S 138 33.6441 50 0.05 48
IV.ATCC.EHZ. 2022-09-30T23:40:28.11 0.6 undecidable manual S 284 22.6551 50 -0.04 49
IV.CSP1.EHE. 2022-09-30T23:40:28.46 0.6 undecidable manual S 102 24.1536 50 -0.09 49
IV.ASSB.HHZ. 2022-09-30T23:40:28.01 0.6 undecidable manual S 243 23.0547 50 -0.24 47
IV.NRCA.HHZ. 2022-09-30T23:40:27.07 0.6 undecidable manual P 154 37.4292 50 0.27 46
IV.MC2.EHZ. 2022-09-30T23:40:26.37 0.1 undecidable manual P 138 33.6441 50 0.16 94
IV.FDMO.HHN. 2022-09-30T23:40:26.66 0.3 undecidable manual S 128 18.0708 121 -0.22 72
IV.PTRJ.HHZ. 2022-09-30T23:40:26.83 3.0 undecidable manual P -2.35 0
IT.MTCL.HGZ. 2022-09-30T23:40:26.59 0.6 undecidable manual S 156 17.3715 122 -0.09 49
IV.CESI.HHZ. 2022-09-30T23:40:25.90 0.3 undecidable manual S 183 14.6742 126 -0.01 75
IV.SNTG.HHZ. 2022-09-30T23:40:25.32 0.3 undecidable manual S 10 13.2756 129 -0.21 72
IV.ASSB.HHZ. 2022-09-30T23:40:24.48 0.1 undecidable manual P 243 23.0547 50 -0.11 97
IV.MML1.EHZ. 2022-09-30T23:40:24.01 0.3 undecidable manual S 119 5.4945 153 0.22 73
IV.ATCC.EHZ. 2022-09-30T23:40:24.58 0.6 positive manual P 284 22.6551 50 0.05 49
IV.CSP1.EHE. 2022-09-30T23:40:24.60 0.1 undecidable manual P 102 24.1536 50 -0.15 96
IV.FOSV.HNE. 2022-09-30T23:40:24.64 0.6 undecidable manual P 325 21.3675 50 0.32 46
IV.SNTG.HHZ. 2022-09-30T23:40:23.07 0.3 undecidable manual P 10 13.2756 129 0.06 75
IT.MTCL.HGZ. 2022-09-30T23:40:23.68 0.1 undecidable manual P 156 17.3715 122 0 100
IV.CESI.HHZ. 2022-09-30T23:40:23.23 0.3 undecidable manual P 183 14.6742 126 -0.01 75
IV.FDMO.HHN. 2022-09-30T23:40:23.64 0.1 undecidable manual P 128 18.0708 121 -0.15 97
IV.MML1.EHZ. 2022-09-30T23:40:22.22 0.1 negative manual P 119 5.4945 153 0.21 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHN. ML:0.4 0.00003851064 0.9728 AML other m 2022-09-30T23:40:24.63
IV.MML1.EHE. ML:0.4 0.000037505225 0.5248 AML other m 2022-09-30T23:40:24.52
IV.SNTG.HHN. ML:0.5 0.000035903055 1.3952 AML other m 2022-09-30T23:40:26.54
IV.SNTG.HHE. ML:0.5 0.000035702335 2.432 AML other m 2022-09-30T23:40:25.06
IV.CESI.HHN. ML:0.7 0.000048520475 1.3696 AML other m 2022-09-30T23:40:26.70
IV.CESI.HHE. ML:0.6 0.000036485034999999996 1.0624 AML other m 2022-09-30T23:40:25.95
IV.ASSB.HHE. ML:0.7 0.00002787428 1.8688 AML other m 2022-09-30T23:40:28.66
IV.ASSB.HHN. ML:0.5 0.000019842815 0.9728 AML other m 2022-09-30T23:40:28.36
IV.ATCC.EHE. ML:0.8 0.000041182405 1.9456 AML other m 2022-09-30T23:40:27.40
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