Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 19-08-2020 and time 15:58:52 (UTC) in region 4 km E Monte Cavallo (MC)

A magnitude ML 0.7 earthquake occured in region: 4 km E Monte Cavallo (MC), on

  • 19-08-2020 15:58:52 (UTC)
  • 19-08-2020 17:58:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9940, 13.0530 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 4 145 145
Pieve Torina MC 6 1458 1603
Fiordimonte MC 6 202 1805
Visso MC 8 1107 2912
Pievebovigliana MC 8 866 3778
Ussita MC 9 444 4222
Fiastra MC 10 559 4781
Muccia MC 10 915 5696
Acquacanina MC 11 121 5817
Serravalle di Chienti MC 12 1070 6887
Preci PG 13 724 7611
Castelsantangelo sul Nera MC 14 281 7892
Bolognola MC 14 142 8034
Sellano PG 15 1079 9113
Camerino MC 16 6974 16087
Sefro MC 19 422 16509

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Foligno (57155 inhabitants)
55 Km E of Perugia (166134 inhabitants)
58 Km NE of Terni (111501 inhabitants)
65 Km NW of Teramo (54892 inhabitants)
77 Km NW of L'Aquila (69753 inhabitants)
79 Km SW of Ancona (100861 inhabitants)
95 Km S of Fano (60888 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 0.7 2020-08-19
15:58:52		 42.9942 13.0528 12 2020-11-19
12:37:00		 Bollettino Sismico Italiano INGV 82786691
Reviewed
Rev100 		ML 1.3 2020-08-19
15:58:52		 42.9928 13.0477 11 2020-08-19
16:06:45		 Sala Sismica INGV-Roma 82148481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-19 15:58:52 ± 0.04
Latitude 42.9942 ± 0.0018
Longitude 13.0528 ± 0.0025
Depth (km) 12 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82786691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 259
Semi-minor axis of confidence ellipse (meter) 70
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 233
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 31
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.50992
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 82786691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-10 09:42:07

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 82148481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-19 16:06:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
AC.VLO.HHZ. 2020-08-19T16:00:22.14 3.0 positive manual Pg 9.58 0
IV.CMPR.HHZ. 2020-08-19T16:00:13.74 3.0 undecidable manual Sn -5.53 0
GU.CIRO.HHZ. 2020-08-19T16:00:02.26 3.0 positive manual Pn -0.15 0
IV.SPS2.HHZ. 2020-08-19T15:59:53.17 3.0 undecidable manual Pn -5.61 0
IV.ROSPO.HHZ. 2020-08-19T15:59:38.61 3.0 undecidable manual Sg -2.36 0
IX.CSG3.HNZ.01 2020-08-19T15:59:37.93 3.0 undecidable manual Pg 1.53 0
IV.PAOL.HHZ. 2020-08-19T15:59:32.90 3.0 undecidable manual Pg 4.24 0
IV.LRP.EHZ. 2020-08-19T15:59:16.88 3.0 undecidable manual Pg 0.1 0
IV.ATCC.EHZ. 2020-08-19T15:59:05.48 0.3 undecidable manual S 302 39.627 91 0.29 67
IV.FIAM.HHZ. 2020-08-19T15:59:04.31 3.0 positive manual P -1.93 0
IV.EL6.EHZ. 2020-08-19T15:59:04.92 0.6 undecidable manual S 6 37.4292 91 0.32 45
IV.MTRA.EHE. 2020-08-19T15:59:04.83 0.6 undecidable manual S 133 38.4282 91 -0.04 47
IV.ARVD.HHZ. 2020-08-19T15:59:02.08 0.1 undecidable manual P 351 56.5989 91 -0.23 88
IV.SNTG.HHZ. 2020-08-19T15:59:02.69 0.3 undecidable manual S 343 30.3474 91 -0.03 72
IV.RM33.HNE. 2020-08-19T15:59:02.08 0.3 undecidable manual P 166 55.4001 91 -0.04 68
IV.LNSS.HNZ. 2020-08-19T15:59:00.40 0.3 undecidable manual P 181 43.4232 91 0.13 69
IV.EL6.EHZ. 2020-08-19T15:58:59.27 0.3 undecidable manual P 6 37.4292 91 -0.07 70
IV.NRCA.HHZ. 2020-08-19T15:58:59.37 0.3 undecidable manual S 164 18.4704 95 -0.19 71
IV.ATCC.EHZ. 2020-08-19T15:58:59.81 0.3 undecidable manual P 302 39.627 91 0.13 69
IV.MTRA.EHE. 2020-08-19T15:58:59.43 0.1 undecidable manual P 133 38.4282 91 -0.07 94
IV.CSP1.EHZ. 2020-08-19T15:58:59.02 0.3 undecidable manual S 49 16.3725 97 0.01 74
IV.PF6.EHZ. 2020-08-19T15:58:59.59 0.6 undecidable manual S 36 19.6692 94 -0.27 46
IV.ASSB.HHN. 2020-08-19T15:58:58.92 0.3 undecidable manual P 280 32.4453 91 0.35 67
IV.MML1.HNZ. 2020-08-19T15:58:58.32 0.6 undecidable manual S 334 14.7741 102 -0.26 47
IV.GAVE.EHN. 2020-08-19T15:58:58.91 0.1 undecidable manual P 201 35.9418 91 -0.2 92
IV.MC2.EHZ. 2020-08-19T15:58:58.72 0.3 undecidable manual S 130 14.3745 103 0.25 71
IV.SNTG.HHZ. 2020-08-19T15:58:58.24 0.3 undecidable manual P 343 30.3474 91 -0.02 72
IV.CESI.HHZ. 2020-08-19T15:58:57.69 0.6 undecidable manual S 276 12.0768 113 -0.2 48
IV.MC2.EHZ. 2020-08-19T15:58:56.01 0.3 undecidable manual P 130 14.3745 103 0.21 72
IT.MTCL.HGZ. 2020-08-19T15:58:56.14 0.6 undecidable manual S 270 4.2957 153 -0.25 48
IV.CSP1.EHZ. 2020-08-19T15:58:56.24 0.3 undecidable manual P 49 16.3725 97 0.13 72
IV.PF6.EHZ. 2020-08-19T15:58:56.46 0.1 undecidable manual P 36 19.6692 94 -0.15 95
IV.FDMO.HHZ. 2020-08-19T15:58:56.44 0.3 undecidable manual S 31 5.4945 147 -0.1 74
IV.FEMA.HNZ. 2020-08-19T15:58:56.35 0.6 undecidable manual S 184 3.5964 158 0.05 50
IV.NRCA.HHZ. 2020-08-19T15:58:56.43 0.1 positive manual P 164 18.4704 95 0 98
IV.CESI.HHZ. 2020-08-19T15:58:55.41 0.1 undecidable manual P 276 12.0768 113 -0.06 99
IV.MML1.HNZ. 2020-08-19T15:58:55.79 0.1 undecidable manual P 334 14.7741 102 -0.08 98
IT.MTCL.HGZ. 2020-08-19T15:58:54.64 0.1 undecidable manual P 270 4.2957 153 0.04 100
IV.FDMO.HHZ. 2020-08-19T15:58:54.79 0.1 undecidable manual P 31 5.4945 147 0.1 99
IV.FEMA.HNZ. 2020-08-19T15:58:54.70 0.1 undecidable manual P 184 3.5964 158 0.15 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHE. ML:1.1 0.0001026 0.32 AML other m 2020-08-19T15:58:59.63
IV.CSP1.EHN. ML:1.2 0.0001214 0.56 AML other m 2020-08-19T15:58:59.68
IV.SNTG.HHE. ML:0.5 0.000014580300000000002 0.1664 AML other m 2020-08-19T15:59:03.12
IV.SNTG.HHN. ML:0.5 0.000013495815000000001 0.1024 AML other m 2020-08-19T15:59:03.26
IV.ATCC.EHN. ML:0.6 0.000013492710000000001 1.6896 AML other m 2020-08-19T15:59:05.87
IV.ATCC.EHE. ML:0.8 0.00001857583 0.576 AML other m 2020-08-19T15:59:05.92
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