Earthquake with magnitude of ML 0.5 on date 18-04-2023 and time 18:16:13 (Italy) in region 3 km NW Muccia (MC)

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

  • 18-04-2023 16:16:13 (UTC)
  • 18-04-2023 18:16:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1000, 13.0180 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
Camerino MC 6 6974 7889
Serravalle di Chienti MC 6 1070 8959
Pieve Torina MC 7 1458 10417
Pievebovigliana MC 7 866 11283
Sefro MC 8 422 11705
Fiordimonte MC 9 202 11907
Pioraco MC 9 1134 13041
Monte Cavallo MC 12 145 13186
Fiuminata MC 12 1402 14588
Castelraimondo MC 13 4587 19175
Fiastra MC 13 559 19734
Acquacanina MC 15 121 19855
Gagliole MC 16 620 20475
Serrapetrona MC 16 966 21441
Caldarola MC 18 1823 23264
Matelica MC 18 9981 33245
Esanatoglia MC 18 2034 35279
Nocera Umbra PG 19 5839 41118
Belforte del Chienti MC 19 1886 43004
San Severino Marche MC 19 12726 55730
Visso MC 20 1107 56837
Cessapalombo MC 20 512 57349
Ussita MC 20 444 57793

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NE of Foligno (57155 inhabitants)
51 Km E of Perugia (166134 inhabitants)
67 Km NE of Terni (111501 inhabitants)
70 Km SW of Ancona (100861 inhabitants)
74 Km NW of Teramo (54892 inhabitants)
83 Km S of Fano (60888 inhabitants)
89 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 0.5 2023-04-18
16:16:13
43.0997 13.0182 12 2024-03-01
17:18:20
Bollettino Sismico Italiano INGV 125134171
Reviewed
Rev100
ML 0.6 2023-04-18
16:16:13
43.1028 13.0067 13 2023-04-18
16:25:47
Sala Sismica INGV-Roma 116493171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-18 16:16:13 ± 0.08
Latitude 43.0997 ± 0.0045
Longitude 13.0182 ± 0.0049
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 125134171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 476
Semi-minor axis of confidence ellipse (meter) 267
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 33
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.03687
Epicentral distance of station farthest from the epicenter (degree) 0.40380
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 125134171
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-02-08 18:31:19

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 116493171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-18 16:25:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
7F.SIB1.EHZ. 2023-04-18T16:16:24.14 0.6 undecidable manual S 138 30.5472 94 0.28 45
IV.ATCC.EHE. 2023-04-18T16:16:24.17 0.6 undecidable manual S 287 32.0457 93 -0.08 47
IV.NRCA.HHZ. 2023-04-18T16:16:23.71 0.6 undecidable manual S 165 30.5472 94 -0.13 47
IV.ASSB.HHZ. 2023-04-18T16:16:23.41 0.6 undecidable manual S 258 29.8479 94 -0.24 45
IV.GUMA.HHZ. 2023-04-18T16:16:22.20 0.6 undecidable manual S 99 26.0517 95 -0.45 45
IV.EL6.EHE. 2023-04-18T16:16:22.72 0.6 undecidable manual S 15 26.3514 95 -0.02 48
IV.TSM1.DHE. 2023-04-18T16:16:21.79 0.1 undecidable manual P 309 43.623 92 0.42 87
IV.ATSC.EHE. 2023-04-18T16:16:21.30 0.1 undecidable manual P 323 44.8218 92 -0.27 89
IV.CSP1.EHZ. 2023-04-18T16:16:20.13 0.6 undecidable manual S 93 15.1737 108 0.34 46
IV.ATCC.EHE. 2023-04-18T16:16:20.39 0.1 undecidable manual P 287 32.0457 93 0.8 78
IV.SNTG.HHZ. 2023-04-18T16:16:20.21 0.6 undecidable manual S 340 18.3705 101 -0.4 46
IV.CESI.HHZ. 2023-04-18T16:16:19.39 0.6 undecidable manual S 221 13.9749 112 -0.1 48
IV.PF6.EHZ. 2023-04-18T16:16:19.65 0.6 undecidable manual S 73 14.874 109 -0.08 50
IV.NRCA.HHZ. 2023-04-18T16:16:19.35 0.1 undecidable manual P 165 30.5472 94 -0.01 96
7F.SIB1.EHZ. 2023-04-18T16:16:19.58 1.0 undecidable manual P 138 30.5472 94 0.21 23
IV.ASSB.HHZ. 2023-04-18T16:16:19.20 0.6 undecidable manual P 258 29.8479 94 -0.05 47
IV.FDMO.HHZ. 2023-04-18T16:16:18.36 0.6 undecidable manual S 141 8.9799 132 0 50
IV.FIU1.HNZ. 2023-04-18T16:16:18.61 0.6 undecidable manual S 325 12.0768 119 -0.43 46
IV.GUMA.HHZ. 2023-04-18T16:16:18.29 0.1 undecidable manual P 99 26.0517 95 -0.38 91
IV.EL6.EHE. 2023-04-18T16:16:18.73 0.6 undecidable manual P 15 26.3514 95 0.01 48
IV.SNTG.HHZ. 2023-04-18T16:16:17.17 0.1 undecidable manual P 340 18.3705 101 -0.32 93
IV.MML1.EHZ. 2023-04-18T16:16:17.67 0.6 undecidable manual S 292 4.0959 156 0.08 50
IV.CSP1.EHZ. 2023-04-18T16:16:17.20 0.1 undecidable manual P 93 15.1737 108 0.18 95
IV.PF6.EHZ. 2023-04-18T16:16:17.00 0.1 undecidable manual P 73 14.874 109 0.02 98
IV.FDMO.HHZ. 2023-04-18T16:16:16.17 0.1 undecidable manual P 141 8.9799 132 -0.02 100
IV.FIU1.HNZ. 2023-04-18T16:16:16.84 0.1 undecidable manual P 325 12.0768 119 0.25 94
IV.CESI.HHZ. 2023-04-18T16:16:16.76 0.1 undecidable manual P 221 13.9749 112 -0.08 97
IV.MML1.EHZ. 2023-04-18T16:16:15.82 0.1 undecidable manual P 292 4.0959 156 0.07 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHE. ML:0.7 0.0000678 1.64 AML other m 2023-04-18T16:16:17.85
IV.MML1.EHN. ML:0.6 0.000060049999999999996 0.92 AML other m 2023-04-18T16:16:18.92
IV.CESI.HHE. ML:0.3 0.0000210015 0.1664 AML other m 2023-04-18T16:16:19.84
IV.CESI.HHN. ML:0.2 0.000014051379 0.0768 AML other m 2023-04-18T16:16:19.80
IV.ASSB.HHE. ML:0.5 0.000017109815 0.1408 AML other m 2023-04-18T16:16:23.65
IV.ASSB.HHN. ML:0.6 0.00002037636 0.1408 AML other m 2023-04-18T16:16:23.53
IV.NRCA.HHN. ML:0.3 0.00001005273 0.1664 AML other m 2023-04-18T16:16:23.81
IV.NRCA.HHE. ML:0.3 0.000011779521499999998 0.1408 AML other m 2023-04-18T16:16:25.54
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