Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.5 on date 09-05-2020 and time 13:08:39 (Italy) in region 3 km NW Ussita (MC)

A magnitude ML 0.5 earthquake occured in region: 3 km NW Ussita (MC), on

  • 09-05-2020 11:08:39 (UTC)
  • 09-05-2020 13:08:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9670, 13.1120 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 3 444 444
Visso MC 4 1107 1551
Fiordimonte MC 8 202 1753
Castelsantangelo sul Nera MC 9 281 2034
Fiastra MC 9 559 2593
Acquacanina MC 9 121 2714
Monte Cavallo MC 10 145 2859
Bolognola MC 10 142 3001
Pieve Torina MC 10 1458 4459
Pievebovigliana MC 11 866 5325
Preci PG 11 724 6049
Muccia MC 14 915 6964
Sellano PG 17 1079 8043
Sarnano MC 17 3264 11307
Serravalle di Chienti MC 18 1070 12377
Montefortino FM 19 1178 13555
Montemonaco AP 19 604 14159
Camerino MC 19 6974 21133
Norcia PG 19 4957 26090
Cessapalombo MC 20 512 26602

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
59 Km NE of Terni (111501 inhabitants)
59 Km NW of Teramo (54892 inhabitants)
61 Km E of Perugia (166134 inhabitants)
72 Km NW of L'Aquila (69753 inhabitants)
80 Km SW of Ancona (100861 inhabitants)
98 Km S of Fano (60888 inhabitants)
99 Km NW of Montesilvano (53738 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 0.5 2020-05-09
11:08:39		 42.9667 13.1122 11 2020-11-19
12:36:44		 Bollettino Sismico Italiano INGV 79099011
Reviewed
Rev100 		ML 0.5 2020-05-09
11:08:39		 42.9658 13.1083 13 2020-05-09
11:22:17		 Sala Sismica INGV-Roma 78980171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-09 11:08:39 ± 0.05
Latitude 42.9667 ± 0.0027
Longitude 13.1122 ± 0.0049
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79099011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 400
Semi-minor axis of confidence ellipse (meter) 290
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 247
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 20
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) 0.18166
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 79099011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-06 13:18:49

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 78980171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-09 11:22:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EUCT.HNZ. 2020-05-09T11:10:08.81 3.0 undecidable manual Sn -4.84 0
IV.PCN.EHZ. 2020-05-09T11:10:06.97 3.0 undecidable manual Sg 3.5 0
IV.BOZZ.HNZ. 2020-05-09T11:09:59.12 3.0 undecidable manual Sg 2.66 0
IV.CRTO.HHZ. 2020-05-09T11:09:47.92 3.0 undecidable manual Sg 3.55 0
IT.MCLF.HNZ. 2020-05-09T11:09:32.97 3.0 undecidable manual Sg 1.27 0
IV.IMTC.HHZ. 2020-05-09T11:09:11.51 3.0 positive manual Pn -0.4 0
IV.VVLD.HHZ. 2020-05-09T11:08:54.46 3.0 undecidable manual Pg -2.45 0
IV.RCAV.EHZ. 2020-05-09T11:08:49.64 3.0 negative manual P -3.6 0
IV.MML1.HNE. 2020-05-09T11:08:47.21 0.6 undecidable manual S 325 19.869 90 -0.03 50
IV.PF6.EHZ. 2020-05-09T11:08:47.21 0.6 undecidable manual S 19 20.1687 90 -0.1 50
IV.MMO1.HNZ. 2020-05-09T11:08:46.83 0.6 undecidable manual S 113 18.9699 90 -0.17 49
IV.CSP1.EHZ. 2020-05-09T11:08:46.21 0.3 undecidable manual S 28 15.7731 90 0.06 74
IV.CESI.HHZ. 2020-05-09T11:08:46.60 0.3 undecidable manual S 284 17.3715 90 0.03 76
IV.NRCA.HHN. 2020-05-09T11:08:45.56 0.3 undecidable manual S 179 14.7741 90 -0.32 70
IV.FDMO.HHZ. 2020-05-09T11:08:44.19 0.3 undecidable manual S 345 7.9809 130 -0.03 77
IT.MTCL.HGZ. 2020-05-09T11:08:44.43 0.3 undecidable manual S 288 9.5793 122 -0.14 74
IV.MML1.HNE. 2020-05-09T11:08:44.07 0.1 undecidable manual P 325 19.869 90 0.11 98
IV.MC2.EHZ. 2020-05-09T11:08:44.58 0.3 undecidable manual S 134 8.7801 126 0.2 74
IV.CESI.HHZ. 2020-05-09T11:08:43.66 0.1 undecidable manual P 284 17.3715 90 0.09 100
IV.FEMA.HNZ. 2020-05-09T11:08:43.78 0.6 undecidable manual S 264 5.0949 147 0.07 51
IV.NRCA.HHN. 2020-05-09T11:08:43.11 0.3 undecidable manual P 179 14.7741 90 -0.06 75
IV.MMO1.HNZ. 2020-05-09T11:08:43.87 0.1 undecidable manual P 113 18.9699 90 0.05 100
IV.CSP1.EHZ. 2020-05-09T11:08:43.46 0.3 undecidable manual P 28 15.7731 90 0.13 74
IV.PF6.EHZ. 2020-05-09T11:08:43.47 0.1 undecidable manual P 19 20.1687 90 -0.53 90
IV.MC2.EHZ. 2020-05-09T11:08:42.52 0.3 undecidable manual P 134 8.7801 126 0.21 74
IV.FEMA.HNZ. 2020-05-09T11:08:42.07 0.3 undecidable manual P 264 5.0949 147 0.15 75
IV.FDMO.HHZ. 2020-05-09T11:08:42.32 0.3 undecidable manual P 345 7.9809 130 0.1 75
IT.MTCL.HGZ. 2020-05-09T11:08:42.47 0.3 undecidable manual P 288 9.5793 122 0.05 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.4 0.000036316915 0.1856 AML other m 2020-05-09T11:08:44.36
IV.FDMO.HHN. ML:0.4 0.000036249995 0.224 AML other m 2020-05-09T11:08:44.41
IV.CSP1.EHN. ML:0.4 0.000022376470000000003 0.1216 AML other m 2020-05-09T11:08:46.45
IV.CSP1.EHE. ML:0.5 0.000029165645 0.1216 AML other m 2020-05-09T11:08:46.46
IV.CESI.HHN. ML:0.3 0.00001438052 0.1024 AML other m 2020-05-09T11:08:46.85
IV.CESI.HHE. ML:0.3 0.0000140892295 0.16 AML other m 2020-05-09T11:08:47.10
IV.CESI.HNE. ML:1.1 0.00010201779999999997 0.576 AML other m 2020-05-09T11:08:54.88
IV.CESI.HNN. ML:1.3 0.00015217064999999998 0.928 AML other m 2020-05-09T11:08:59.62
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