Earthquake with magnitude of ML 0.5 on date 28-04-2023 and time 14:57:04 (UTC) in region 3 km W Muccia (MC)

A magnitude ML 0.5 earthquake occured in region: 3 km W Muccia (MC), on

  • 28-04-2023 14:57:04 (UTC)
  • 28-04-2023 16:57:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0730, 13.0100 at 12 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 3 915 915
Serravalle di Chienti MC 5 1070 1985
Pieve Torina MC 5 1458 3443
Pievebovigliana MC 6 866 4309
Fiordimonte MC 8 202 4511
Camerino MC 9 6974 11485
Monte Cavallo MC 9 145 11630
Sefro MC 10 422 12052
Pioraco MC 12 1134 13186
Fiastra MC 13 559 13745
Acquacanina MC 14 121 13866
Fiuminata MC 14 1402 15268
Castelraimondo MC 16 4587 19855
Visso MC 17 1107 20962
Ussita MC 18 444 21406
Nocera Umbra PG 18 5839 27245
Serrapetrona MC 19 966 28211
Caldarola MC 19 1823 30034
Gagliole MC 19 620 30654
Bolognola MC 20 142 30796

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km E of Foligno (57155 inhabitants)
51 Km E of Perugia (166134 inhabitants)
64 Km NE of Terni (111501 inhabitants)
73 Km NW of Teramo (54892 inhabitants)
73 Km SW of Ancona (100861 inhabitants)
86 Km S of Fano (60888 inhabitants)
86 Km NW of L'Aquila (69753 inhabitants)
94 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 0.5 2023-04-28
14:57:04
43.073 13.0097 12 2024-03-01
17:18:10
Bollettino Sismico Italiano INGV 118148721
Reviewed
Rev100
ML 0.5 2023-04-28
14:57:04
43.0785 13.0107 13 2023-04-28
15:23:19
Sala Sismica INGV-Roma 116840621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-28 14:57:04 ± 0.07
Latitude 43.0730 ± 0.0027
Longitude 13.0097 ± 0.0062
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118148721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 417
Semi-minor axis of confidence ellipse (meter) 245
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 73
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
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) 0.04946
Epicentral distance of station farthest from the epicenter (degree) 0.26440
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 118148721
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-06 10:22:52

ML:0.5

Field Value
Value 0.5
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 116840621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-28 15:23:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2023-04-28T14:57:14.34 0.6 undecidable manual S 162 27.8499 95 -0.08 48
IV.SNTG.HHZ. 2023-04-28T14:57:12.27 0.6 undecidable manual S 345 20.9679 99 -0.32 47
IV.CSP1.EHZ. 2023-04-28T14:57:11.42 0.3 undecidable manual S 82 15.9729 108 0.14 74
IV.CESI.HHZ. 2023-04-28T14:57:10.37 0.6 undecidable manual S 228 11.3775 123 0.19 49
IV.NRCA.HHZ. 2023-04-28T14:57:10.13 0.1 undecidable manual P 162 27.8499 95 -0.1 96
IV.EL6.EHE. 2023-04-28T14:57:10.54 0.1 undecidable manual P 15 29.3484 95 0.07 96
IT.MTCL.HGZ. 2023-04-28T14:57:09.47 0.6 undecidable manual S 185 8.7801 134 -0.17 48
IV.FDMO.HHZ. 2023-04-28T14:57:09.29 0.3 undecidable manual S 123 7.4814 140 -0.11 74
IV.MML1.EHZ. 2023-04-28T14:57:09.07 0.3 undecidable manual S 326 5.4945 150 -0.01 76
IV.CSP1.EHZ. 2023-04-28T14:57:08.58 0.3 undecidable manual P 82 15.9729 108 0.16 73
IV.SNTG.HHZ. 2023-04-28T14:57:08.98 0.3 undecidable manual P 345 20.9679 99 -0.19 72
IV.CESI.HHZ. 2023-04-28T14:57:08.00 0.3 undecidable manual P 228 11.3775 123 0.22 73
IV.MML1.EHZ. 2023-04-28T14:57:07.24 0.3 undecidable manual P 326 5.4945 150 0.09 75
IT.MTCL.HGZ. 2023-04-28T14:57:07.57 0.1 undecidable manual P 185 8.7801 134 0.1 100
IV.FDMO.HHZ. 2023-04-28T14:57:07.29 0.3 undecidable manual P 123 7.4814 140 -0.04 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHN. ML:0.5 0.000037749999999999996 0.16 AML other m 2023-04-28T14:57:09.16
IV.FDMO.HHE. ML:0.5 0.000037749999999999996 0.48 AML other m 2023-04-28T14:57:09.71
IV.MML1.EHE. ML:0.6 0.000049500000000000004 0.4 AML other m 2023-04-28T14:57:09.30
IV.FDMO.HHN. ML:0.6 0.000052199999999999995 0.14 AML other m 2023-04-28T14:57:09.55
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