Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 20-02-2020 and time 22:36:59 (Italy) in region 1 km SW Muccia (MC)

A magnitude ML 1.0 earthquake occured in region: 1 km SW Muccia (MC), on

  • 20-02-2020 21:36:59 (UTC)
  • 20-02-2020 22:36:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0770, 13.0370 at 12 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.

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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 1 915 915
Pieve Torina MC 4 1458 2373
Pievebovigliana MC 4 866 3239
Fiordimonte MC 6 202 3441
Serravalle di Chienti MC 7 1070 4511
Camerino MC 7 6974 11485
Monte Cavallo MC 10 145 11630
Sefro MC 11 422 12052
Fiastra MC 11 559 12611
Pioraco MC 12 1134 13745
Acquacanina MC 12 121 13866
Castelraimondo MC 15 4587 18453
Fiuminata MC 15 1402 19855
Visso MC 17 1107 20962
Ussita MC 17 444 21406
Serrapetrona MC 17 966 22372
Caldarola MC 17 1823 24195
Bolognola MC 18 142 24337
Gagliole MC 18 620 24957
Cessapalombo MC 18 512 25469
Belforte del Chienti MC 19 1886 27355
Camporotondo di Fiastrone MC 20 563 27918

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Foligno (57155 inhabitants)
53 Km E of Perugia (166134 inhabitants)
66 Km NE of Terni (111501 inhabitants)
72 Km NW of Teramo (54892 inhabitants)
72 Km SW of Ancona (100861 inhabitants)
85 Km S of Fano (60888 inhabitants)
86 Km NW of L'Aquila (69753 inhabitants)
93 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
Reviewed
Rev100 		ML 1.0 2020-02-20
21:36:59		 43.0767 13.0373 12 2020-02-20
21:43:28		 Sala Sismica INGV-Roma 76682961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-20 21:36:59 ± 0.06
Latitude 43.0767 ± 0.0027
Longitude 13.0373 ± 0.0037
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 76682961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 302
Semi-minor axis of confidence ellipse (meter) 128
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 35
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 57
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.05396
Epicentral distance of station farthest from the epicenter (degree) 0.40469
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 76682961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-20 21:43:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2020-02-20T21:37:14.57 0.3 undecidable manual S 333 44.9217 92 0.44 64
IV.MF5.EHZ. 2020-02-20T21:37:12.08 0.3 undecidable manual S 106 35.6421 93 0.42 65
IV.ATCC.EHZ. 2020-02-20T21:37:11.73 0.6 undecidable manual S 291 34.3434 93 0.41 44
IV.MMO1.EHZ. 2020-02-20T21:37:10.09 0.1 undecidable manual S 130 30.6471 94 -0.23 92
IV.NRCA.HHZ. 2020-02-20T21:37:09.29 0.1 undecidable manual S 167 27.6501 95 -0.25 91
IV.EL6.EHZ. 2020-02-20T21:37:09.76 0.1 undecidable manual S 10 28.5492 95 0 96
IV.GUMA.HHZ. 2020-02-20T21:37:09.08 0.3 undecidable manual S 94 24.1536 96 0.47 66
IV.MC2.EHZ. 2020-02-20T21:37:08.18 0.1 undecidable manual S 146 22.0668 98 0.13 95
IV.SNTG.HHZ. 2020-02-20T21:37:07.74 0.1 undecidable manual S 338 21.2676 98 -0.1 96
IV.SSFR.HHZ. 2020-02-20T21:37:07.76 0.1 undecidable manual P 333 44.9217 92 -0.26 89
IV.MDAR.HNZ. 2020-02-20T21:37:06.01 0.6 undecidable manual S 33 15.4734 109 -0.31 46
IV.ATCC.EHZ. 2020-02-20T21:37:06.35 0.6 undecidable manual P 291 34.3434 93 -0.05 47
IV.MF5.EHZ. 2020-02-20T21:37:06.93 0.1 undecidable manual P 106 35.6421 93 0.34 89
IV.PF6.EHZ. 2020-02-20T21:37:05.95 0.6 undecidable manual S 62 14.3745 112 -0.11 48
IV.CSP1.EHZ. 2020-02-20T21:37:05.94 0.1 undecidable manual S 83 13.6752 114 0.06 98
IV.CESI.HHZ. 2020-02-20T21:37:05.96 0.1 undecidable manual S 234 13.3755 115 0.15 97
IV.NRCA.HHZ. 2020-02-20T21:37:05.28 0.1 undecidable manual P 167 27.6501 95 -0.09 95
IV.EL6.EHZ. 2020-02-20T21:37:05.35 0.1 undecidable manual P 10 28.5492 95 -0.15 94
IV.FEMA.HNZ. 2020-02-20T21:37:05.80 0.6 undecidable manual S 175 12.7761 117 0.14 49
IV.GUMA.HHZ. 2020-02-20T21:37:05.21 0.1 undecidable manual P 94 24.1536 96 0.38 90
IV.MMO1.EHZ. 2020-02-20T21:37:05.54 0.1 undecidable manual P 130 30.6471 94 -0.29 91
IV.MC2.EHZ. 2020-02-20T21:37:04.33 0.1 undecidable manual P 146 22.0668 98 -0.19 94
IT.MTCL.HGZ. 2020-02-20T21:37:04.97 0.6 undecidable manual S 199 9.6792 129 -0.01 49
IV.FDMO.HHZ. 2020-02-20T21:37:04.28 0.6 undecidable manual S 138 5.994 146 -0.04 49
IV.MML1.HNZ. 2020-02-20T21:37:04.65 0.3 undecidable manual S 308 6.6933 143 0.22 72
IV.SNTG.HHZ. 2020-02-20T21:37:04.24 0.1 undecidable manual P 338 21.2676 98 -0.15 95
IV.FEMA.HNZ. 2020-02-20T21:37:03.30 0.1 undecidable manual P 175 12.7761 117 0.17 96
IV.PF6.EHZ. 2020-02-20T21:37:03.18 0.1 undecidable manual P 62 14.3745 112 -0.19 95
IV.MDAR.HNZ. 2020-02-20T21:37:03.05 0.1 undecidable manual P 33 15.4734 109 -0.47 90
IV.CSP1.EHZ. 2020-02-20T21:37:03.25 0.1 undecidable manual P 83 13.6752 114 -0.01 99
IV.CESI.HHZ. 2020-02-20T21:37:03.30 0.1 undecidable manual P 234 13.3755 115 0.08 98
IV.MML1.HNZ. 2020-02-20T21:37:02.48 0.1 undecidable manual P 308 6.6933 143 0.06 99
IT.MTCL.HGZ. 2020-02-20T21:37:02.63 0.1 undecidable manual P 199 9.6792 129 -0.1 97
IV.FDMO.HHZ. 2020-02-20T21:37:02.40 0.1 undecidable manual P 138 5.994 146 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:0.8 0.0000658 0.86 AML other m 2020-02-20T21:37:06.04
IV.CESI.HHN. ML:1.0 0.00009685 0.1 AML other m 2020-02-20T21:37:06.11
IV.SNTG.HHN. ML:1.1 0.0000887 1.92 AML other m 2020-02-20T21:37:07.98
IV.SNTG.HHE. ML:0.8 0.00004125 0.28 AML other m 2020-02-20T21:37:08.01
IV.NRCA.HHN. ML:1.2 0.00007305 0.14 AML other m 2020-02-20T21:37:09.76
IV.NRCA.HHE. ML:1.1 0.00006934999999999999 0.12 AML other m 2020-02-20T21:37:10.27
IV.CSP1.EHE. ML:1.0 0.00008857396 0.128 AML other m 2020-02-20T21:37:06.90
IV.CSP1.EHN. ML:1.3 0.0001706017 0.2816 AML other m 2020-02-20T21:37:06.11
IV.EL6.EHE. ML:1.1 0.00006613788 0.1152 AML other m 2020-02-20T21:37:10.43
IV.EL6.EHN. ML:1.0 0.000053839676 0.1664 AML other m 2020-02-20T21:37:10.82
IV.ATCC.EHE. ML:1.0 0.000040039205 0.1152 AML other m 2020-02-20T21:37:12.01
IV.ATCC.EHN. ML:0.8 0.000026123234500000002 0.128 AML other m 2020-02-20T21:37:12.08
IV.SSFR.HHE. ML:0.8 0.000022273495000000002 0.1536 AML other m 2020-02-20T21:37:15.31
IV.SSFR.HHN. ML:0.8 0.000020982669499999998 0.2432 AML other m 2020-02-20T21:37:16.83
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