Earthquake with magnitude of ML 1.1 on date 20-04-2020 and time 16:47:49 (UTC) in region 2 km NE Monte Cavallo (MC)

A magnitude ML 1.1 earthquake occured in region: 2 km NE Monte Cavallo (MC), on

  • 20-04-2020 16:47:49 (UTC)
  • 20-04-2020 18:47:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0040, 13.0190 at 6 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
Monte Cavallo MC 2 145 145
Pieve Torina MC 5 1458 1603
Fiordimonte MC 7 202 1805
Pievebovigliana MC 9 866 2671
Muccia MC 9 915 3586
Serravalle di Chienti MC 9 1070 4656
Visso MC 10 1107 5763
Fiastra MC 12 559 6322
Ussita MC 12 444 6766
Acquacanina MC 13 121 6887
Preci PG 14 724 7611
Sellano PG 15 1079 8690
Camerino MC 15 6974 15664
Castelsantangelo sul Nera MC 16 281 15945
Sefro MC 17 422 16367
Bolognola MC 17 142 16509
Pioraco MC 20 1134 17643

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
52 Km E of Perugia (166134 inhabitants)
58 Km NE of Terni (111501 inhabitants)
68 Km NW of Teramo (54892 inhabitants)
79 Km NW of L'Aquila (69753 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
94 Km S of Fano (60888 inhabitants)
99 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 1.1 2020-04-20
16:47:49
43.0037 13.0187 7 2020-04-20
16:55:15
Sala Sismica INGV-Roma 78418191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-20 16:47:49 ± 0.1
Latitude 43.0037 ± 0.0036
Longitude 13.0187 ± 0.0037
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 78418191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 381
Semi-minor axis of confidence ellipse (meter) 196
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 201
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 156
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 9
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.32286
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 78418191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-20 16:55:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PE3.EHZ. 2020-04-20T16:48:00.97 3.0 undecidable manual P 0 0
IV.MMO1.EHZ. 2020-04-20T16:47:59.63 0.6 undecidable manual S 115 27.5502 103 0.22 46
IV.MF5.EHZ. 2020-04-20T16:47:56.92 0.3 undecidable manual P 93 35.8419 100 0.04 71
IV.MMO1.EHZ. 2020-04-20T16:47:55.07 0.3 undecidable manual P 115 27.5502 103 -0.19 70
IV.MML1.EHZ. 2020-04-20T16:47:54.61 0.6 undecidable manual S 343 12.7761 117 0.06 49
IV.CESI.HHZ. 2020-04-20T16:47:53.50 0.6 undecidable manual S 271 9.2796 125 0 50
IV.FDMO.HHZ. 2020-04-20T16:47:52.75 0.6 undecidable manual S 57 6.6933 134 -0.05 50
IV.MML1.EHZ. 2020-04-20T16:47:52.46 0.1 undecidable manual P 343 12.7761 117 0.01 99
IV.FDMO.HHZ. 2020-04-20T16:47:51.41 0.1 undecidable manual P 57 6.6933 134 -0.03 100
IV.CESI.HHZ. 2020-04-20T16:47:51.86 0.1 positive manual P 271 9.2796 125 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.1 0.000199 0.44 AML other m 2020-04-20T16:47:53.79
IV.CESI.HHN. ML:1.2 0.00023799999999999998 0.28 AML other m 2020-04-20T16:47:53.65
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