Earthquake with magnitude of ML 0.5 on date 21-04-2023 and time 09:26:34 (UTC) in region 4 km NW Muccia (MC)

A magnitude ML 0.5 earthquake occured in region: 4 km NW Muccia (MC), on

  • 21-04-2023 09:26:34 (UTC)
  • 21-04-2023 11:26:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1100, 13.0060 at 16 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
Muccia MC 4 915 915
Camerino MC 6 6974 7889
Serravalle di Chienti MC 6 1070 8959
Sefro MC 6 422 9381
Pioraco MC 8 1134 10515
Pieve Torina MC 8 1458 11973
Pievebovigliana MC 8 866 12839
Fiordimonte MC 11 202 13041
Fiuminata MC 11 1402 14443
Castelraimondo MC 12 4587 19030
Monte Cavallo MC 13 145 19175
Fiastra MC 15 559 19734
Gagliole MC 15 620 20354
Acquacanina MC 16 121 20475
Matelica MC 16 9981 30456
Esanatoglia MC 17 2034 32490
Serrapetrona MC 17 966 33456
Nocera Umbra PG 17 5839 39295
Caldarola MC 18 1823 41118
San Severino Marche MC 19 12726 53844
Belforte del Chienti MC 20 1886 55730

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NE of Foligno (57155 inhabitants)
50 Km E of Perugia (166134 inhabitants)
68 Km NE of Terni (111501 inhabitants)
70 Km SW of Ancona (100861 inhabitants)
76 Km NW of Teramo (54892 inhabitants)
82 Km S of Fano (60888 inhabitants)
89 Km S of Pesaro (94582 inhabitants)
90 Km NW of L'Aquila (69753 inhabitants)
99 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 0.5 2023-04-21
09:26:34
43.1097 13.0058 16 2023-04-21
09:45:02
Sala Sismica INGV-Roma 116567651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-21 09:26:34 ± 0.14
Latitude 43.1097 ± 0.0036
Longitude 13.0058 ± 0.0049
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116567651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 457
Semi-minor axis of confidence ellipse (meter) 126
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
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) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28688
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:0.5

Field Value
Value 0.5
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 116567651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-21 09:45:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2023-04-21T09:26:45.10 0.6 undecidable manual S 164 31.8459 103 -0.1 63
IV.CESI.HHZ. 2023-04-21T09:26:41.01 0.6 undecidable manual S 215 14.1747 128 0.13 66
IV.CSP1.EHZ. 2023-04-21T09:26:41.54 0.6 undecidable manual S 97 16.2726 123 0.22 63
IV.SNTG.HHZ. 2023-04-21T09:26:41.29 0.6 undecidable manual S 342 16.9719 122 -0.2 64
IV.NRCA.HHZ. 2023-04-21T09:26:40.34 0.6 negative manual P 164 31.8459 103 -0.17 62
IV.FDMO.HHZ. 2023-04-21T09:26:39.89 0.6 undecidable manual S 141 10.4784 139 -0.26 64
IV.MML1.EHZ. 2023-04-21T09:26:39.34 0.6 undecidable manual S 279 2.7972 168 0.12 67
IV.SNTG.HHZ. 2023-04-21T09:26:38.33 0.6 undecidable manual P 342 16.9719 122 -0.03 66
IV.CESI.HHZ. 2023-04-21T09:26:38.14 0.3 positive manual P 215 14.1747 128 0.13 99
IV.CSP1.EHZ. 2023-04-21T09:26:38.48 1.0 undecidable manual P 97 16.2726 123 0.21 32
IV.MML1.EHZ. 2023-04-21T09:26:37.12 0.6 undecidable manual P 279 2.7972 168 0.07 68
IV.FDMO.HHZ. 2023-04-21T09:26:37.53 0.3 undecidable manual P 141 10.4784 139 -0.06 100
IV.FOSV.EHZ. 2023-04-21T09:26:37.16 3.0 undecidable manual P -2.35 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.7 0.000039800000000000005 0.32 AML other m 2023-04-21T09:26:41.28
IV.CESI.HHE. ML:0.6 0.000029350000000000002 0.1 AML other m 2023-04-21T09:26:41.11
IV.SNTG.HHE. ML:0.4 0.00001839408 0.16 AML other m 2023-04-21T09:26:41.49
IV.SNTG.HHN. ML:0.2 0.000009385333 0.1216 AML other m 2023-04-21T09:26:41.52
IV.CSP1.EHE. ML:0.5 0.000022871025 0.096 AML other m 2023-04-21T09:26:41.74
IV.CSP1.EHN. ML:0.4 0.00002183403 0.0768 AML other m 2023-04-21T09:26:41.75
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download