Earthquake with magnitude of ML 0.6 on date 21-04-2023 and time 06:09:34 (UTC) in region 5 km E Sefro (MC)

A magnitude ML 0.6 earthquake occured in region: 5 km E Sefro (MC), on

  • 21-04-2023 06:09:34 (UTC)
  • 21-04-2023 08:09:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1260, 13.0020 at 13 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 5 422 422
Camerino MC 6 6974 7396
Muccia MC 6 915 8311
Pioraco MC 6 1134 9445
Serravalle di Chienti MC 7 1070 10515
Fiuminata MC 9 1402 11917
Pievebovigliana MC 10 866 12783
Pieve Torina MC 10 1458 14241
Castelraimondo MC 11 4587 18828
Fiordimonte MC 12 202 19030
Gagliole MC 14 620 19650
Monte Cavallo MC 15 145 19795
Matelica MC 15 9981 29776
Esanatoglia MC 15 2034 31810
Fiastra MC 16 559 32369
Serrapetrona MC 16 966 33335
Nocera Umbra PG 17 5839 39174
Acquacanina MC 18 121 39295
San Severino Marche MC 18 12726 52021
Caldarola MC 18 1823 53844
Belforte del Chienti MC 20 1886 55730

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NE of Foligno (57155 inhabitants)
50 Km E of Perugia (166134 inhabitants)
69 Km SW of Ancona (100861 inhabitants)
69 Km NE of Terni (111501 inhabitants)
77 Km NW of Teramo (54892 inhabitants)
80 Km S of Fano (60888 inhabitants)
88 Km S of Pesaro (94582 inhabitants)
92 Km NW of L'Aquila (69753 inhabitants)
98 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 0.6 2023-04-21
06:09:34
43.1262 13.0015 13 2023-04-21
06:59:08
Sala Sismica INGV-Roma 116564701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-21 06:09:34 ± 0.06
Latitude 43.1262 ± 0.0018
Longitude 13.0015 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116564701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 348
Semi-minor axis of confidence ellipse (meter) 79
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 82
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) 101
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.02518
Epicentral distance of station farthest from the epicenter (degree) 0.30397
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 116564701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-21 06:59:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2023-04-21T06:09:46.11 0.6 undecidable manual S 164 33.744 95 -0.16 47
IV.EL6.EHZ. 2023-04-21T06:09:43.69 0.6 undecidable manual S 20 23.9538 100 0 48
IV.SNTG.HHZ. 2023-04-21T06:09:41.19 0.6 undecidable manual S 341 15.1737 114 -0.24 48
IV.CSP1.EHZ. 2023-04-21T06:09:41.92 0.3 undecidable manual S 103 16.872 110 0.05 74
IT.MTCL.HGZ. 2023-04-21T06:09:41.20 0.6 undecidable manual S 181 14.6742 116 -0.12 49
IV.NRCA.HHZ. 2023-04-21T06:09:41.57 1.0 undecidable manual P 164 33.744 95 0.15 23
IV.CESI.HHZ. 2023-04-21T06:09:41.69 0.6 undecidable manual S 210 15.5733 113 0.16 48
IV.FDMO.HHZ. 2023-04-21T06:09:40.56 0.3 undecidable manual S 145 12.0768 124 -0.17 72
IV.EL6.EHZ. 2023-04-21T06:09:39.91 0.3 negative manual P 20 23.9538 100 -0.02 73
IV.MML1.EHZ. 2023-04-21T06:09:39.30 0.6 undecidable manual S 240 2.7972 165 0.05 51
IV.FDMO.HHZ. 2023-04-21T06:09:38.21 0.1 undecidable manual P 145 12.0768 124 -0.01 100
IV.CESI.HHZ. 2023-04-21T06:09:38.78 0.1 undecidable manual P 210 15.5733 113 0.09 97
IV.SNTG.HHZ. 2023-04-21T06:09:38.56 0.1 negative manual P 341 15.1737 114 -0.06 99
IV.CSP1.EHZ. 2023-04-21T06:09:38.98 0.1 undecidable manual P 103 16.872 110 0.1 97
IT.MTCL.HGZ. 2023-04-21T06:09:38.55 0.3 undecidable manual P 181 14.6742 116 -0.01 75
IV.MML1.EHZ. 2023-04-21T06:09:37.49 0.6 undecidable manual P 240 2.7972 165 0.12 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHN. ML:0.7 0.00007639982500000001 0.0992 AML other m 2023-04-21T06:09:39.59
IV.MML1.EHE. ML:0.9 0.000105859795 0.1408 AML other m 2023-04-21T06:09:39.72
IV.SNTG.HHE. ML:0.4 0.00002075 0.16 AML other m 2023-04-21T06:09:41.44
IV.SNTG.HHN. ML:0.5 0.00002255 0.16 AML other m 2023-04-21T06:09:41.45
IV.CESI.HHN. ML:0.3 0.00001647548 0.0832 AML other m 2023-04-21T06:09:41.77
IV.CESI.HHE. ML:0.5 0.000026363144999999998 0.1184 AML other m 2023-04-21T06:09:42.03
IV.NRCA.HHN. ML:0.7 0.0000218 0.14 AML other m 2023-04-21T06:09:46.80
IV.NRCA.HHE. ML:0.7 0.00002215 1.8 AML other m 2023-04-21T06:09:46.90
IV.CSP1.EHE. ML:0.7 0.000041434575 0.1792 AML other m 2023-04-21T06:09:42.81
IV.CSP1.EHN. ML:0.7 0.00004140556 0.1184 AML other m 2023-04-21T06:09:42.08
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