Earthquake with magnitude of ML 1.1 on date 21-04-2020 and time 13:10:02 (UTC) in region 5 km E Monte Cavallo (MC)

A magnitude ML 1.1 earthquake occured in region: 5 km E Monte Cavallo (MC), on

  • 21-04-2020 13:10:02 (UTC)
  • 21-04-2020 15:10:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9740, 13.0560 at 11 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.

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 5 145 145
Visso MC 5 1107 1252
Ussita MC 8 444 1696
Fiordimonte MC 8 202 1898
Pieve Torina MC 8 1458 3356
Pievebovigliana MC 10 866 4222
Preci PG 11 724 4946
Fiastra MC 11 559 5505
Acquacanina MC 12 121 5626
Castelsantangelo sul Nera MC 12 281 5907
Muccia MC 12 915 6822
Serravalle di Chienti MC 14 1070 7892
Sellano PG 14 1079 8971
Bolognola MC 14 142 9113
Camerino MC 18 6974 16087

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Foligno (57155 inhabitants)
56 Km E of Perugia (166134 inhabitants)
57 Km NE of Terni (111501 inhabitants)
63 Km NW of Teramo (54892 inhabitants)
75 Km NW of L'Aquila (69753 inhabitants)
81 Km SW of Ancona (100861 inhabitants)
97 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
Bulletin
Rev1000
ML 1.1 2020-04-21
13:10:02
42.9743 13.0562 11 2020-07-18
21:08:39
Bollettino Sismico Italiano INGV 79961291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-21 13:10:02 ± 0.05
Latitude 42.9743 ± 0.0027
Longitude 13.0562 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79961291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 392
Semi-minor axis of confidence ellipse (meter) 256
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 241
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29318
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 79961291
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-06 19:31:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHZ. 2020-04-21T13:11:47.72 3.0 positive manual Pg 17.959999 0
IV.ZONE.HHZ. 2020-04-21T13:11:24.49 3.0 undecidable manual Sg 21.030001 0
IV.SPS2.HHZ. 2020-04-21T13:11:11.24 3.0 negative manual Pn 5.81 0
OX.CIMO.HHZ. 2020-04-21T13:11:10.82 3.0 undecidable manual Sn 0.08 0
CH.FUORN.HHZ. 2020-04-21T13:10:40.70 3.0 negative manual Pn -0.66 0
IV.RM33.EHZ. 2020-04-21T13:10:20.30 3.0 undecidable manual Sn -7.56 0
IV.ARVD.HHZ. 2020-04-21T13:10:20.13 3.0 undecidable manual Sg 3.2 0
IV.RMP.HHZ. 2020-04-21T13:10:16.38 3.0 negative manual Pg 0.85 0
IV.SNTG.HHZ. 2020-04-21T13:10:13.35 0.1 undecidable manual S 343 32.5452 50 0.12 93
IV.PF6.EHN. 2020-04-21T13:10:10.08 0.1 undecidable manual S 32 21.3675 50 -0.16 95
IV.CSP1.EHZ. 2020-04-21T13:10:09.38 0.1 undecidable manual S 43 17.7711 121 0.14 97
IV.SNTG.HHZ. 2020-04-21T13:10:08.38 0.1 undecidable manual P 343 32.5452 50 -0.12 95
IV.NRCA.HHZ. 2020-04-21T13:10:08.67 0.1 undecidable manual S 163 16.2726 123 -0.15 96
IV.MML1.HNE. 2020-04-21T13:10:08.77 0.3 undecidable manual S 336 16.872 123 -0.22 71
IV.CESI.HHZ. 2020-04-21T13:10:07.80 0.1 undecidable manual S 285 12.7761 130 -0.03 99
IV.PIEI.HHZ. 2020-04-21T13:10:07.26 3.0 undecidable manual S -3.1 0
IV.MMO1.EHN. 2020-04-21T13:10:07.06 0.6 undecidable manual P 111 23.4543 50 -0.05 49
IV.FDMO.HHZ. 2020-04-21T13:10:06.54 0.1 undecidable manual S 20 7.3815 146 -0.02 99
IV.MML1.HNE. 2020-04-21T13:10:06.07 0.3 undecidable manual P 336 16.872 123 0.02 74
IV.CSP1.EHZ. 2020-04-21T13:10:06.38 1.0 negative manual P 43 17.7711 121 0.19 24
IT.MTCL.HGZ. 2020-04-21T13:10:06.04 0.1 undecidable manual S 295 5.0949 155 -0.13 98
IV.PF6.EHN. 2020-04-21T13:10:06.66 0.6 undecidable manual P 32 21.3675 50 -0.11 48
IV.CESI.HHZ. 2020-04-21T13:10:05.49 0.1 negative manual P 285 12.7761 130 0.11 98
IV.NRCA.HHZ. 2020-04-21T13:10:05.96 0.1 undecidable manual P 163 16.2726 123 0.01 99
IV.FEMA.HNE. 2020-04-21T13:10:04.48 0.3 undecidable manual P 201 1.4985 172 0.27 72
IV.FDMO.HHZ. 2020-04-21T13:10:04.86 0.1 undecidable manual P 20 7.3815 146 0.21 97
IT.MTCL.HGZ. 2020-04-21T13:10:04.49 0.1 undecidable manual P 295 5.0949 155 0.07 100
IV.PE3.EHZ. 2020-04-21T13:10:01.77 3.0 undecidable manual Pn -0.27 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.1 0.0001720491 0.2176 AML other m 2020-04-21T13:10:06.71
IV.FDMO.HHE. ML:1.0 0.00014186075 0.1792 AML other m 2020-04-21T13:10:06.62
IV.CESI.HHE. ML:1.0 0.00010956242000000001 0.0768 AML other m 2020-04-21T13:10:07.90
IV.CESI.HNN. ML:1.2 0.00014996809 0.0896 AML other m 2020-04-21T13:10:08.29
IV.CESI.HHN. ML:1.2 0.00016842125 0.224 AML other m 2020-04-21T13:10:08.09
IV.NRCA.HHN. ML:1.4 0.00019342905 0.16 AML other m 2020-04-21T13:10:08.79
IV.NRCA.HNN. ML:1.4 0.00020114535 0.16 AML other m 2020-04-21T13:10:08.80
IV.NRCA.HHE. ML:1.3 0.000188218 0.0768 AML other m 2020-04-21T13:10:08.87
IV.CSP1.EHN. ML:0.9 0.000067687395 0.224 AML other m 2020-04-21T13:10:10.67
IV.CSP1.EHE. ML:1.0 0.00009095328 0.2944 AML other m 2020-04-21T13:10:10.04
IV.SNTG.HHN. ML:0.7 0.00001999157 0.0832 AML other m 2020-04-21T13:10:13.86
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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