Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 04-06-2020 and time 11:25:18 (UTC) in region 2 km NW Ussita (MC)

A magnitude ML 0.8 earthquake occured in region: 2 km NW Ussita (MC), on

  • 04-06-2020 11:25:18 (UTC)
  • 04-06-2020 13:25:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9590, 13.1170 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.

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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
Ussita MC 2 444 444
Visso MC 4 1107 1551
Castelsantangelo sul Nera MC 8 281 1832
Fiordimonte MC 9 202 2034
Acquacanina MC 9 121 2155
Fiastra MC 9 559 2714
Bolognola MC 10 142 2856
Monte Cavallo MC 10 145 3001
Preci PG 11 724 3725
Pieve Torina MC 11 1458 5183
Pievebovigliana MC 12 866 6049
Muccia MC 15 915 6964
Sellano PG 17 1079 8043
Sarnano MC 17 3264 11307
Serravalle di Chienti MC 18 1070 12377
Montemonaco AP 18 604 12981
Montefortino FM 18 1178 14159
Norcia PG 19 4957 19116
Amandola FM 20 3629 22745

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
58 Km NW of Teramo (54892 inhabitants)
59 Km NE of Terni (111501 inhabitants)
61 Km E of Perugia (166134 inhabitants)
71 Km NW of L'Aquila (69753 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
98 Km NW of Montesilvano (53738 inhabitants)
99 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 0.8 2020-06-04
11:25:18		 42.9587 13.117 11 2020-11-19
12:36:53		 Bollettino Sismico Italiano INGV 81201771
Reviewed
Rev100 		ML 0.8 2020-06-04
11:25:18		 42.956 13.1052 12 2020-06-04
11:43:01		 Sala Sismica INGV-Roma 79892121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-04 11:25:18 ± 0.07
Latitude 42.9587 ± 0.0045
Longitude 13.1170 ± 0.0098
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 81201771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 819
Semi-minor axis of confidence ellipse (meter) 417
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 78
Circular confidence region, given by single value of horizontal uncertainty (meter) 820.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 145
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.18796
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 81201771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-20 21:59:40

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 79892121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-04 11:43:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BRMO.HHZ. 2020-06-04T11:26:52.14 3.0 undecidable manual Sg 10.43 0
IV.MCRV.HHZ. 2020-06-04T11:26:45.16 3.0 undecidable manual Sg 17.110001 0
ST.RONC.HNZ. 2020-06-04T11:26:29.75 3.0 undecidable manual Sg 0.84 0
SL.LJU.BHZ. 2020-06-04T11:26:29.02 3.0 undecidable manual Sn -9.99 0
OX.CIMO.HHZ. 2020-06-04T11:26:22.47 3.0 undecidable manual Sn -9.99 0
IV.IFIL.HHZ. 2020-06-04T11:26:18.72 3.0 negative manual Pg 11.41 0
IV.CLTA.HHZ. 2020-06-04T11:26:11.76 3.0 undecidable manual Pn -9.99 0
CR.ZAG.BHZ. 2020-06-04T11:26:10.86 3.0 negative manual Pg 8.74 0
IV.ECTS.HHZ. 2020-06-04T11:26:10.76 3.0 undecidable manual Pn -7.57 0
CR.STON.BHZ. 2020-06-04T11:25:59.12 3.0 negative manual Pn -4.07 0
IV.VVLD.HHZ. 2020-06-04T11:25:55.13 3.0 undecidable manual Sg 5.67 0
IV.CAFE.HHZ. 2020-06-04T11:25:46.16 3.0 undecidable manual Pn 0.32 0
IV.ROSPO.HHZ. 2020-06-04T11:25:43.28 3.0 negative manual Pg 7.16 0
IV.CELB.HHZ. 2020-06-04T11:25:34.09 3.0 undecidable manual Sn -0.19 0
IV.NDIM.HNZ. 2020-06-04T11:25:33.06 3.0 positive manual Pg 0.51 0
IV.PF6.EHZ. 2020-06-04T11:25:26.38 0.3 undecidable manual S 17 20.868 50 -0.21 71
IV.MML1.HNN. 2020-06-04T11:25:26.68 0.3 undecidable manual S 326 20.868 50 0.1 73
IV.NRCA.HHE. 2020-06-04T11:25:24.44 0.3 undecidable manual S 181 13.875 129 -0.28 71
IV.PIEI.HHZ. 2020-06-04T11:25:24.00 3.0 undecidable manual Sn -7.49 0
IV.EL6.EHZ. 2020-06-04T11:25:23.65 3.0 undecidable manual Pg 5 0
IV.MC2.EHZ. 2020-06-04T11:25:23.35 0.1 undecidable manual S 132 7.881 145 0.08 100
IV.PF6.EHZ. 2020-06-04T11:25:23.14 0.3 undecidable manual P 17 20.868 50 -0.05 73
IV.FDMO.HHZ. 2020-06-04T11:25:23.34 0.3 undecidable manual S 344 8.9799 141 -0.16 73
IV.MML1.HNN. 2020-06-04T11:25:23.32 0.3 undecidable manual P 326 20.868 50 0.13 72
IV.NRCA.HHE. 2020-06-04T11:25:22.11 0.1 undecidable manual P 181 13.875 129 -0.01 100
IV.VVLD.HHZ. 2020-06-04T11:25:22.57 3.0 negative manual Pn -3.01 0
IV.CSP1.EHZ. 2020-06-04T11:25:22.61 3.0 undecidable manual Pg 4.23 0
IV.FDMO.HHZ. 2020-06-04T11:25:21.53 0.3 undecidable manual P 344 8.9799 141 0.12 74
IV.MC2.EHZ. 2020-06-04T11:25:21.52 0.3 undecidable manual P 132 7.881 145 0.24 72
IV.FNVD.HHZ. 2020-06-04T11:25:18.73 3.0 negative manual Pn -3.73 0
IV.VIVA.HHZ. 2020-06-04T11:25:16.85 3.0 negative manual P -3.23 0
IV.ATVO.HHZ. 2020-06-04T11:25:13.34 3.0 undecidable manual P 1.15 0
IV.RIBO.EHZ.01 2020-06-04T11:25:08.01 3.0 positive manual Pn 1.87 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.6 0.00004755 0.2 AML other m 2020-06-04T11:25:23.65
IV.FDMO.HHN. ML:0.3 0.000025149999999999998 0.22 AML other m 2020-06-04T11:25:23.70
IV.ASSB.HHE. ML:1.4 0.0000813 0.72 AML other m 2020-06-04T11:25:27.72
IV.ASSB.HHN. ML:1.1 0.000049500000000000004 0.06 AML other m 2020-06-04T11:25:27.71
IV.CSP1.EHE. ML:0.7 0.0000451 0.42 AML other m 2020-06-04T11:25:30.08
IV.CSP1.EHN. ML:0.7 0.0000383 0.42 AML other m 2020-06-04T11:25:31.16
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