Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 28-04-2020 and time 12:15:49 (Italy) in region 3 km N Monte Cavallo (MC)

A magnitude ML 1.0 earthquake occured in region: 3 km N Monte Cavallo (MC), on

  • 28-04-2020 10:15:49 (UTC)
  • 28-04-2020 12:15:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0240, 13.0120 at 11 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
Monte Cavallo MC 3 145 145
Pieve Torina MC 4 1458 1603
Fiordimonte MC 7 202 1805
Muccia MC 7 915 2720
Serravalle di Chienti MC 7 1070 3790
Pievebovigliana MC 7 866 4656
Fiastra MC 12 559 5215
Visso MC 12 1107 6322
Acquacanina MC 13 121 6443
Camerino MC 13 6974 13417
Ussita MC 14 444 13861
Sefro MC 15 422 14283
Preci PG 16 724 15007
Sellano PG 16 1079 16086
Pioraco MC 18 1134 17220
Bolognola MC 18 142 17362
Castelsantangelo sul Nera MC 18 281 17643
Fiuminata MC 20 1402 19045

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
52 Km E of Perugia (166134 inhabitants)
59 Km NE of Terni (111501 inhabitants)
70 Km NW of Teramo (54892 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
81 Km NW of L'Aquila (69753 inhabitants)
91 Km S of Fano (60888 inhabitants)
99 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
Reviewed
Rev100 		ML 1.0 2020-04-28
10:15:49		 43.0237 13.0122 11 2020-04-28
10:25:12		 Sala Sismica INGV-Roma 78642431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-28 10:15:49 ± 0.12
Latitude 43.0237 ± 0.0045
Longitude 13.0122 ± 0.0037
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 78642431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 358
Semi-minor axis of confidence ellipse (meter) 350
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 195
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
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 30
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) 0.31206
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 78642431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-28 10:25:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
XK.GIZZ.HHZ. 2020-04-28T10:17:21.82 3.0 undecidable manual Sg 13.39 0
IV.CTI.HHZ. 2020-04-28T10:17:16.78 3.0 undecidable manual Sn -7.74 0
IV.SPS2.HHZ. 2020-04-28T10:17:15.86 3.0 undecidable manual Sg 10.9 0
CR.STON.BHZ. 2020-04-28T10:17:14.14 3.0 undecidable manual Sg 3.63 0
IV.NDIM.HHZ. 2020-04-28T10:17:01.76 3.0 undecidable manual Sn 0.25 0
IV.BRSN.EHZ. 2020-04-28T10:16:38.03 3.0 undecidable manual Sn -3.74 0
IV.SCIAC.HHZ. 2020-04-28T10:16:37.10 3.0 positive manual Pn 7.39 0
IV.NDIM.HNZ. 2020-04-28T10:16:34.49 3.0 negative manual Pg 13.98 0
IV.SPS2.HHZ. 2020-04-28T10:16:31.04 3.0 negative manual Pg 8.59 0
IV.CPGN.EHZ. 2020-04-28T10:16:30.41 3.0 undecidable manual Sn 0.43 0
IV.MCRV.HHZ. 2020-04-28T10:16:29.90 3.0 undecidable manual Sg 2.64 0
IV.CAVE.HHZ. 2020-04-28T10:16:28.00 3.0 positive manual Pg 8.15 0
IV.SBPO.HNZ. 2020-04-28T10:16:25.67 3.0 negative manual Pn 3.21 0
IV.BDI.HHZ. 2020-04-28T10:16:14.63 3.0 positive manual Pn 2.39 0
IV.BRSN.HNZ. 2020-04-28T10:16:08.89 3.0 positive manual Pn -0.53 0
IV.EL6.EHZ. 2020-04-28T10:16:01.23 0.3 undecidable manual S 12 34.6431 90 0.13 70
IV.LRP.EHZ. 2020-04-28T10:15:58.60 3.0 undecidable manual Sn -0.23 0
IV.CSP1.EHZ. 2020-04-28T10:15:56.45 0.3 undecidable manual S 64 17.3715 92 -0.03 74
IV.EL6.EHZ. 2020-04-28T10:15:55.95 0.3 undecidable manual P 12 34.6431 90 -0.2 70
IV.CESI.HHZ. 2020-04-28T10:15:54.38 0.3 undecidable manual S 257 8.9799 126 0.02 76
IV.MML1.HNZ. 2020-04-28T10:15:54.70 0.3 undecidable manual S 342 10.4784 118 0 75
IT.MTCL.HGE. 2020-04-28T10:15:53.29 0.3 undecidable manual S 197 3.4965 158 -0.16 74
IV.CSP1.EHZ. 2020-04-28T10:15:53.43 0.1 undecidable manual P 64 17.3715 92 -0.05 99
IV.FDMO.HHZ. 2020-04-28T10:15:53.83 0.3 undecidable manual S 77 6.2937 141 0 76
IV.PAOL.HNZ. 2020-04-28T10:15:53.66 3.0 undecidable manual Pn -1.1 0
IV.FDMO.HHZ. 2020-04-28T10:15:52.26 0.3 undecidable manual P 77 6.2937 141 0.31 72
IV.CESI.HHZ. 2020-04-28T10:15:52.31 0.1 undecidable manual P 257 8.9799 126 0.05 100
IV.MML1.HNZ. 2020-04-28T10:15:52.38 0.1 undecidable manual P 342 10.4784 118 -0.08 99
IT.MTCL.HGE. 2020-04-28T10:15:51.76 0.3 undecidable manual P 197 3.4965 158 0.03 76
IT.TRN1.HGZ. 2020-04-28T10:15:48.67 3.0 positive manual P 0.98 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.4 0.000036879255 0.1792 AML other m 2020-04-28T10:15:53.92
IV.FDMO.HHN. ML:0.2 0.000020860814 0.096 AML other m 2020-04-28T10:15:55.47
IV.CESI.HHE. ML:1.2 0.00019255925000000003 0.064 AML other m 2020-04-28T10:15:54.52
IV.CESI.HHN. ML:1.2 0.00017736780000000003 0.0768 AML other m 2020-04-28T10:15:54.57
IV.CESI.HNE. ML:1.1 0.0001541291 0.0704 AML other m 2020-04-28T10:15:54.55
IV.CESI.HNN. ML:1.2 0.00019605815999999997 0.0768 AML other m 2020-04-28T10:15:54.57
IV.CSP1.EHN. ML:0.9 0.00006306556499999999 0.096 AML other m 2020-04-28T10:15:56.57
IV.CSP1.EHE. ML:1.0 0.00007262028 0.0832 AML other m 2020-04-28T10:15:56.58
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