Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.3 on date 20-05-2020 and time 12:22:29 (UTC) in region 3 km NW Muccia (MC)

A magnitude ML 0.3 earthquake occured in region: 3 km NW Muccia (MC), on

  • 20-05-2020 12:22:29 (UTC)
  • 20-05-2020 14:22:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1060, 13.0300 at 8 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.

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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 5 6974 7889
Pievebovigliana MC 7 866 8755
Pieve Torina MC 7 1458 10213
Serravalle di Chienti MC 7 1070 11283
Sefro MC 8 422 11705
Fiordimonte MC 9 202 11907
Pioraco MC 9 1134 13041
Castelraimondo MC 12 4587 17628
Fiuminata MC 12 1402 19030
Monte Cavallo MC 13 145 19175
Fiastra MC 13 559 19734
Acquacanina MC 15 121 19855
Gagliole MC 15 620 20475
Serrapetrona MC 15 966 21441
Caldarola MC 16 1823 23264
Matelica MC 17 9981 33245
Esanatoglia MC 18 2034 35279
Belforte del Chienti MC 18 1886 37165
San Severino Marche MC 18 12726 49891
Cessapalombo MC 19 512 50403
Nocera Umbra PG 19 5839 56242
Camporotondo di Fiastrone MC 19 563 56805
Ussita MC 20 444 57249
Visso MC 20 1107 58356

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NE of Foligno (57155 inhabitants)
52 Km E of Perugia (166134 inhabitants)
68 Km NE of Terni (111501 inhabitants)
69 Km SW of Ancona (100861 inhabitants)
74 Km NW of Teramo (54892 inhabitants)
82 Km S of Fano (60888 inhabitants)
89 Km NW of L'Aquila (69753 inhabitants)
90 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 0.3 2020-05-20
12:22:29		 43.106 13.0302 8 2020-11-19
12:37:00		 Bollettino Sismico Italiano INGV 82776131
Reviewed
Rev100 		ML 0.3 2020-05-20
12:22:29		 43.1062 13.0307 8 2020-05-20
12:38:12		 Sala Sismica INGV-Roma 79365351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-20 12:22:29 ± 0.1
Latitude 43.1060 ± 0.0027
Longitude 13.0302 ± 0.0037
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82776131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 278
Semi-minor axis of confidence ellipse (meter) 85
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 53
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.04317
Epicentral distance of station farthest from the epicenter (degree) 0.16278
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 82776131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-09 23:30:55

ML:0.3

Field Value
Value 0.3
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 79365351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-20 12:38:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SNTG.HHZ. 2020-05-20T12:22:36.27 0.3 undecidable manual S 336 18.0708 115 -0.16 72
IV.CSP1.EHZ. 2020-05-20T12:22:35.41 0.6 undecidable manual S 96 14.2746 120 0.16 49
IV.CESI.HHZ. 2020-05-20T12:22:35.53 0.3 undecidable manual S 222 15.1737 119 0 75
IV.CESI.HHZ. 2020-05-20T12:22:33.02 0.1 undecidable manual P 222 15.1737 119 0.02 100
IV.SNTG.HHZ. 2020-05-20T12:22:33.54 0.1 undecidable manual P 336 18.0708 115 0.02 99
IV.FDMO.HHZ. 2020-05-20T12:22:33.63 0.3 undecidable manual S 149 8.9799 133 -0.15 74
IV.MML1.HNZ. 2020-05-20T12:22:32.92 0.3 undecidable manual S 280 4.7952 150 0.07 76
IV.CSP1.EHZ. 2020-05-20T12:22:32.88 0.3 undecidable manual P 96 14.2746 120 0.04 75
IV.FDMO.HHZ. 2020-05-20T12:22:31.92 0.1 undecidable manual P 149 8.9799 133 -0.07 100
IV.MML1.HNZ. 2020-05-20T12:22:31.56 0.1 undecidable manual P 280 4.7952 150 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.4 0.000033704095 1.8592 AML other m 2020-05-20T12:22:33.05
IV.FDMO.HHN. ML:0.1 0.00001883931 0.16 AML other m 2020-05-20T12:22:34.28
IV.CESI.HHE. ML:0.4 0.00002384764 0.0576 AML other m 2020-05-20T12:22:35.60
IV.CESI.HHN. ML:0.3 0.0000213931545 0.0768 AML other m 2020-05-20T12:22:35.56
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