Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 15-09-2020 and time 11:06:11 (UTC) in region 3 km NE Monte Cavallo (MC)

A magnitude ML 0.9 earthquake occured in region: 3 km NE Monte Cavallo (MC), on

  • 15-09-2020 11:06:11 (UTC)
  • 15-09-2020 13:06:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0170, 13.0240 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.

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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
Monte Cavallo MC 3 145 145
Pieve Torina MC 4 1458 1603
Fiordimonte MC 6 202 1805
Pievebovigliana MC 7 866 2671
Muccia MC 8 915 3586
Serravalle di Chienti MC 9 1070 4656
Visso MC 11 1107 5763
Fiastra MC 11 559 6322
Ussita MC 12 444 6766
Acquacanina MC 13 121 6887
Camerino MC 14 6974 13861
Preci PG 15 724 14585
Sefro MC 16 422 15007
Sellano PG 16 1079 16086
Bolognola MC 17 142 16228
Castelsantangelo sul Nera MC 17 281 16509
Pioraco MC 18 1134 17643

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km E of Foligno (57155 inhabitants)
53 Km E of Perugia (166134 inhabitants)
59 Km NE of Terni (111501 inhabitants)
68 Km NW of Teramo (54892 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
92 Km S of Fano (60888 inhabitants)
100 Km S of Pesaro (94582 inhabitants)
100 Km NE of Viterbo (67173 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 0.9 2020-09-15
11:06:11		 43.0168 13.0235 12 2021-02-26
14:55:58		 Bollettino Sismico Italiano INGV 83643271
Reviewed
Rev100 		ML 0.9 2020-09-15
11:06:12		 43.0138 13.0162 11 2020-09-15
11:18:17		 Sala Sismica INGV-Roma 82926801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-15 11:06:11 ± 0.05
Latitude 43.0168 ± 0.0027
Longitude 13.0235 ± 0.0037
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 83643271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 309
Semi-minor axis of confidence ellipse (meter) 172
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 176
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.02878
Epicentral distance of station farthest from the epicenter (degree) 0.39390
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 7
Type of magnitude ML
Reference to an origin 82926801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-15 11:18:17

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 7
Type of magnitude ML
Reference to an origin 83643271
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-09 11:04:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HNZ. 2020-09-15T11:06:26.53 0.6 undecidable manual S 237 43.7229 92 0.4 43
IV.EL6.EHE. 2020-09-15T11:06:24.03 0.6 undecidable manual S 10 35.2425 92 0.17 46
IV.GAVE.EHN. 2020-09-15T11:06:24.38 0.3 undecidable manual S 196 37.5291 92 -0.09 70
IV.MMO1.HNZ. 2020-09-15T11:06:21.85 0.6 undecidable manual S 118 27.8499 93 -0.04 48
IV.NRCA.HHZ. 2020-09-15T11:06:20.18 0.3 undecidable manual S 160 21.6672 96 -0.05 72
IV.MOMA.HNZ. 2020-09-15T11:06:20.31 0.3 undecidable manual P 237 43.7229 92 0.15 68
IV.MC2.EHZ. 2020-09-15T11:06:19.36 0.3 undecidable manual S 131 17.7711 100 0.14 72
IV.CSP1.EHZ. 2020-09-15T11:06:19.23 0.3 undecidable manual S 60 16.872 101 0.25 70
IV.PF6.EHZ. 2020-09-15T11:06:19.38 0.6 undecidable manual S 46 19.2696 98 -0.23 46
IV.EL6.EHE. 2020-09-15T11:06:18.63 0.1 undecidable manual P 10 35.2425 92 -0.21 91
IV.GAVE.EHN. 2020-09-15T11:06:18.94 0.1 undecidable manual P 196 37.5291 92 -0.25 90
IV.CESI.HHZ. 2020-09-15T11:06:17.16 0.3 undecidable manual S 262 9.7791 127 -0.08 74
IV.MML1.HNZ. 2020-09-15T11:06:17.53 0.3 undecidable manual S 339 11.4774 119 -0.1 73
IV.MMO1.HNZ. 2020-09-15T11:06:17.48 0.1 undecidable manual P 118 27.8499 93 -0.23 92
IV.FDMO.HHZ. 2020-09-15T11:06:16.52 0.3 undecidable manual S 67 5.5944 147 0.03 75
IV.CSP1.EHZ. 2020-09-15T11:06:16.17 0.1 undecidable manual P 60 16.872 101 0.14 96
IV.PF6.EHZ. 2020-09-15T11:06:16.32 0.1 undecidable manual P 46 19.2696 98 -0.07 96
IV.MC2.EHZ. 2020-09-15T11:06:16.46 0.3 undecidable manual P 131 17.7711 100 0.29 69
IV.NRCA.HHZ. 2020-09-15T11:06:16.65 0.1 undecidable manual P 160 21.6672 96 -0.1 96
IT.MTCL.HGE. 2020-09-15T11:06:16.06 0.3 undecidable manual S 218 3.1968 161 -0.15 73
IV.CESI.HHZ. 2020-09-15T11:06:15.10 0.1 undecidable manual P 262 9.7791 127 0.08 98
IV.MML1.HNZ. 2020-09-15T11:06:15.29 0.1 undecidable manual P 339 11.4774 119 0.04 98
IT.MTCL.HGE. 2020-09-15T11:06:14.45 0.1 undecidable manual P 218 3.1968 161 0.03 100
IV.FDMO.HHZ. 2020-09-15T11:06:14.71 0.1 undecidable manual P 67 5.5944 147 0.12 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.9 0.0001007 0.1 AML other m 2020-09-15T11:06:16.60
IV.FDMO.HHE. ML:0.8 0.00008635000000000001 0.54 AML other m 2020-09-15T11:06:16.89
IV.CESI.HHE. ML:0.9 0.00008905000000000001 0.18 AML other m 2020-09-15T11:06:17.33
IV.CESI.HHN. ML:1.1 0.000135 0.18 AML other m 2020-09-15T11:06:17.39
IV.CSP1.EHE. ML:0.7 0.00004599143 1.8016 AML other m 2020-09-15T11:06:20.96
IV.NRCA.HHN. ML:1.0 0.00006544999999999999 0.12 AML other m 2020-09-15T11:06:20.32
IV.NRCA.HHE. ML:1.0 0.00006745000000000001 0.7 AML other m 2020-09-15T11:06:20.49
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