Earthquake with magnitude of ML 0.3 on date 06-10-2023 and time 04:40:36 (UTC) in region 3 km E Sefro (MC)

A magnitude ML 0.3 earthquake occured in region: 3 km E Sefro (MC), on

  • 06-10-2023 04:40:36 (UTC)
  • 06-10-2023 06:40:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1420, 12.9810 at 15 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
Sefro MC 3 422 422
Pioraco MC 4 1134 1556
Fiuminata MC 7 1402 2958
Camerino MC 7 6974 9932
Serravalle di Chienti MC 8 1070 11002
Muccia MC 8 915 11917
Castelraimondo MC 10 4587 16504
Pievebovigliana MC 12 866 17370
Pieve Torina MC 12 1458 18828
Esanatoglia MC 13 2034 20862
Matelica MC 13 9981 30843
Gagliole MC 13 620 31463
Fiordimonte MC 15 202 31665
Nocera Umbra PG 16 5839 37504
Monte Cavallo MC 17 145 37649
Serrapetrona MC 17 966 38615
Fiastra MC 19 559 39174
Gualdo Tadino PG 19 15208 54382
San Severino Marche MC 19 12726 67108
Caldarola MC 20 1823 68931
Cerreto d'Esi AN 20 3817 72748

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NE of Foligno (57155 inhabitants)
48 Km E of Perugia (166134 inhabitants)
69 Km SW of Ancona (100861 inhabitants)
70 Km NE of Terni (111501 inhabitants)
78 Km S of Fano (60888 inhabitants)
80 Km NW of Teramo (54892 inhabitants)
86 Km S of Pesaro (94582 inhabitants)
94 Km NW of L'Aquila (69753 inhabitants)
96 Km E of Arezzo (99543 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 0.3 2023-10-06
04:40:36
43.1423 12.9813 15 2023-10-06
04:51:37
Sala Sismica INGV-Roma 121809381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-06 04:40:36 ± 0.15
Latitude 43.1423 ± 0.0036
Longitude 12.9813 ± 0.0074
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121809381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 639
Semi-minor axis of confidence ellipse (meter) 79
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 78
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 143
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
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) 0.02968
Epicentral distance of station farthest from the epicenter (degree) 0.20684
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 121809381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-06 04:51:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHN. 2023-10-06T04:40:45.12 0.6 undecidable manual S 25 22.9548 111 0.14 48
IV.CSP1.EHZ. 2023-10-06T04:40:43.92 0.3 undecidable manual S 107 18.9699 117 -0.09 73
IT.MTCL.HGE. 2023-10-06T04:40:43.42 0.3 undecidable manual S 175 16.5723 122 -0.02 74
IV.CESI.HNZ. 2023-10-06T04:40:43.90 0.6 undecidable manual S 202 16.4724 122 0.47 45
IV.SNTG.HHZ. 2023-10-06T04:40:42.54 0.1 undecidable manual S 345 12.9759 131 -0.13 96
IV.FDMO.HHZ. 2023-10-06T04:40:42.91 0.6 undecidable manual S 144 14.5743 126 -0.09 49
IV.EL6.EHN. 2023-10-06T04:40:41.21 0.6 undecidable manual P 25 22.9548 111 -0.05 48
IV.MML1.EHZ. 2023-10-06T04:40:41.23 0.1 undecidable manual S 194 3.2967 165 -0.05 100
IV.SNTG.HHZ. 2023-10-06T04:40:40.06 0.1 undecidable manual P 345 12.9759 131 0.13 97
IV.CESI.HNZ. 2023-10-06T04:40:40.12 0.1 undecidable manual P 202 16.4724 122 -0.25 94
IV.FDMO.HHZ. 2023-10-06T04:40:40.24 1.0 undecidable manual P 144 14.5743 126 0.12 24
IV.CSP1.EHZ. 2023-10-06T04:40:40.99 1.0 positive manual P 107 18.9699 117 0.29 23
IT.MTCL.HGE. 2023-10-06T04:40:40.29 0.3 undecidable manual P 175 16.5723 122 -0.09 73
IV.MML1.EHZ. 2023-10-06T04:40:39.36 0.6 negative manual P 194 3.2967 165 0.23 48
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHE. ML:0.0 0.0000093752915 0.0992 AML other m 2023-10-06T04:40:41.37
IV.MML1.EHN. ML:0.0 0.000012430310999999999 0.0992 AML other m 2023-10-06T04:40:41.42
IV.MML1.HNN. ML:1.0 0.00011012908 0.5984 AML other m 2023-10-06T04:40:41.47
IV.SNTG.HHE. ML:0.1 0.000009497286000000001 0.1792 AML other m 2023-10-06T04:40:42.64
IV.SNTG.HHN. ML:0.1 0.000009495 0.1408 AML other m 2023-10-06T04:40:42.72
IV.SNTG.HNE. ML:1.0 0.00009651139 0.96 AML other m 2023-10-06T04:40:46.14
IV.FDMO.HHE. ML:0.3 0.000013860943 0.16 AML other m 2023-10-06T04:40:43.16
IV.FDMO.HHN. ML:0.4 0.000018892424999999997 0.1216 AML other m 2023-10-06T04:40:43.40
IV.CSP1.EHE. ML:0.9 0.00004968751 9.68 AML other m 2023-10-06T04:40:47.54
IV.CSP1.EHN. ML:0.5 0.000021254145000000004 0.1824 AML other m 2023-10-06T04:40:44.60
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