Earthquake with magnitude of ML 0.4 on date 08-04-2023 and time 17:39:46 (Italy) in region 1 km N Muccia (MC)

A magnitude ML 0.4 earthquake occured in region: 1 km N Muccia (MC), on

  • 08-04-2023 15:39:46 (UTC)
  • 08-04-2023 17:39:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0960, 13.0490 at 14 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Muccia MC 1 915 915
Pievebovigliana MC 5 866 1781
Camerino MC 5 6974 8755
Pieve Torina MC 6 1458 10213
Fiordimonte MC 7 202 10415
Serravalle di Chienti MC 8 1070 11485
Sefro MC 10 422 11907
Pioraco MC 11 1134 13041
Fiastra MC 11 559 13600
Monte Cavallo MC 12 145 13745
Acquacanina MC 13 121 13866
Castelraimondo MC 13 4587 18453
Fiuminata MC 14 1402 19855
Serrapetrona MC 15 966 20821
Caldarola MC 15 1823 22644
Gagliole MC 16 620 23264
Belforte del Chienti MC 17 1886 25150
Cessapalombo MC 17 512 25662
Camporotondo di Fiastrone MC 18 563 26225
San Severino Marche MC 18 12726 38951
Matelica MC 18 9981 48932
Bolognola MC 18 142 49074
Ussita MC 18 444 49518
Visso MC 19 1107 50625
Esanatoglia MC 19 2034 52659

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km E of Foligno (57155 inhabitants)
54 Km E of Perugia (166134 inhabitants)
68 Km NE of Terni (111501 inhabitants)
69 Km SW of Ancona (100861 inhabitants)
72 Km NW of Teramo (54892 inhabitants)
83 Km S of Fano (60888 inhabitants)
88 Km NW of L'Aquila (69753 inhabitants)
91 Km S of Pesaro (94582 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 2023-04-08
15:39:46
43.0957 13.0488 14 2024-03-01
17:18:12
Bollettino Sismico Italiano INGV 118754801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-08 15:39:46 ± 0.1
Latitude 43.0957 ± 0.0027
Longitude 13.0488 ± 0.0062
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118754801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 381
Semi-minor axis of confidence ellipse (meter) 347
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 274
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
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) 0.26620
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 118754801
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-27 12:25:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATFO.HHZ. 2023-04-08T15:40:03.03 3.0 undecidable manual S 0.17 0
IV.NRCA.HHZ. 2023-04-08T15:39:56.75 0.3 undecidable manual S 170 29.5482 100 0.02 72
IV.SNTG.HHZ. 2023-04-08T15:39:54.01 0.1 undecidable manual S 334 19.7691 110 -0.17 95
IV.CESI.HHZ. 2023-04-08T15:39:53.27 0.1 undecidable manual S 229 15.4734 119 0.13 96
IV.CSP1.EHZ. 2023-04-08T15:39:52.66 0.1 undecidable manual S 92 12.6762 127 0.14 97
IV.NRCA.HHZ. 2023-04-08T15:39:52.22 0.1 undecidable manual P 170 29.5482 100 -0.11 94
IV.MML1.EHZ. 2023-04-08T15:39:51.38 0.1 undecidable manual S 288 6.5934 149 -0.05 100
IV.FDMO.HHZ. 2023-04-08T15:39:51.30 0.1 undecidable manual S 155 7.2927 146 -0.23 96
IV.CESI.HHZ. 2023-04-08T15:39:50.38 0.3 undecidable manual P 229 15.4734 119 0.12 72
IV.SNTG.HHZ. 2023-04-08T15:39:50.83 0.3 undecidable manual P 334 19.7691 110 -0.03 73
IV.CSP1.EHZ. 2023-04-08T15:39:50.02 0.1 negative manual P 92 12.6762 127 0.12 98
IV.FDMO.HHZ. 2023-04-08T15:39:49.31 0.1 negative manual P 155 7.2927 146 -0.01 100
IV.MML1.EHZ. 2023-04-08T15:39:49.36 0.1 undecidable manual P 288 6.5934 149 0.1 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHN. ML:0.4 0.000029350000000000002 0.14 AML other m 2023-04-08T15:39:51.64
IV.MML1.EHE. ML:0.3 0.0000252 0.08 AML other m 2023-04-08T15:39:51.60
IV.FDMO.HHE. ML:0.5 0.0000344 1.18 AML other m 2023-04-08T15:39:51.35
IV.FDMO.HHN. ML:0.4 0.000027799999999999998 0.96 AML other m 2023-04-08T15:39:52.67
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