Earthquake with magnitude of ML 0.5 on date 10-08-2020 and time 09:13:01 (UTC) in region 4 km N Ussita (MC)

A magnitude ML 0.5 earthquake occured in region: 4 km N Ussita (MC), on

  • 10-08-2020 09:13:01 (UTC)
  • 10-08-2020 11:13:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9820, 13.1260 at 12 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
Ussita MC 4 444 444
Visso MC 6 1107 1551
Fiastra MC 7 559 2110
Fiordimonte MC 7 202 2312
Acquacanina MC 7 121 2433
Bolognola MC 8 142 2575
Pieve Torina MC 9 1458 4033
Pievebovigliana MC 10 866 4899
Castelsantangelo sul Nera MC 10 281 5180
Monte Cavallo MC 10 145 5325
Muccia MC 13 915 6240
Preci PG 13 724 6964
Sarnano MC 16 3264 10228
Serravalle di Chienti MC 17 1070 11298
Camerino MC 18 6974 18272
Cessapalombo MC 18 512 18784
Montefortino FM 18 1178 19962
Montemonaco AP 19 604 20566
Amandola FM 19 3629 24195
Sellano PG 19 1079 25274
Caldarola MC 19 1823 27097
Gualdo MC 20 815 27912

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
59 Km NW of Teramo (54892 inhabitants)
61 Km NE of Terni (111501 inhabitants)
61 Km E of Perugia (166134 inhabitants)
74 Km NW of L'Aquila (69753 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
96 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
Reviewed
Rev100
ML 0.5 2020-08-10
09:13:01
42.9823 13.1255 12 2020-08-10
09:33:15
Sala Sismica INGV-Roma 81840201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-10 09:13:01 ± 0.11
Latitude 42.9823 ± 0.0027
Longitude 13.1255 ± 0.0111
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 81840201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 948
Semi-minor axis of confidence ellipse (meter) 70
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 264
Circular confidence region, given by single value of horizontal uncertainty (meter) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 119
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.16368
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 81840201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-10 09:33:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LINA.HHZ. 2020-08-10T09:14:46.38 3.0 negative manual Pn 3.73 0
IV.MRLC.HHZ. 2020-08-10T09:14:43.13 3.0 undecidable manual Sg 10.12 0
GU.CANO.HHZ. 2020-08-10T09:14:20.72 3.0 undecidable manual Sn 2.77 0
IV.VITU.HHZ. 2020-08-10T09:14:19.06 3.0 undecidable manual Sg 4.24 0
IV.CAPR.HNZ. 2020-08-10T09:14:11.56 3.0 undecidable manual Sn -0.68 0
CH.BNALP.HHZ. 2020-08-10T09:14:07.75 3.0 negative manual Pg 8.75 0
RD.PGF.BHZ. 2020-08-10T09:14:05.80 3.0 undecidable manual Sn -0.63 0
IV.USI.HHZ. 2020-08-10T09:14:04.94 3.0 negative manual Pn 0.61 0
IV.MESG.HHZ. 2020-08-10T09:14:03.23 3.0 undecidable manual Pn -5.24 0
IV.RNI2.HHZ. 2020-08-10T09:14:03.16 3.0 undecidable manual Sg 3.74 0
IV.GIUL.HHZ. 2020-08-10T09:13:51.03 3.0 undecidable manual Sn -3 0
IV.VBKN.HHZ. 2020-08-10T09:13:46.54 3.0 positive manual Pg 5.49 0
MN.TRI.HHZ. 2020-08-10T09:13:36.05 3.0 positive manual Pg 2.17 0
GU.RNCA.HHZ. 2020-08-10T09:13:33.58 3.0 negative manual Pn -0.88 0
IT.FIE.HGZ. 2020-08-10T09:13:18.69 3.0 undecidable manual S -2.19 0
IV.RIBO.EHZ.01 2020-08-10T09:13:12.08 3.0 undecidable manual P 0.4 0
IV.CSP1.EHZ. 2020-08-10T09:13:07.19 0.3 undecidable manual S 28 13.7751 114 -0.1 72
IV.NRCA.HHZ. 2020-08-10T09:13:07.71 0.3 undecidable manual S 183 16.5723 106 -0.28 70
IV.MC2.EHE. 2020-08-10T09:13:06.41 0.3 undecidable manual S 147 9.3795 131 0.1 74
IV.FEMA.HNE. 2020-08-10T09:13:06.18 3.0 undecidable manual P 6.5934 2.39 0
IV.FDMO.HHZ. 2020-08-10T09:13:05.83 0.3 undecidable manual S 333 6.7932 143 0 75
IV.RONT.HHZ. 2020-08-10T09:13:05.92 3.0 positive manual P -2.66 0
IV.PF6.EHZ. 2020-08-10T09:13:05.29 0.6 undecidable manual P 18 18.1707 103 -0.01 49
IV.NRCA.HHZ. 2020-08-10T09:13:05.27 0.6 undecidable manual P 183 16.5723 106 0.21 47
IV.MC2.EHE. 2020-08-10T09:13:04.13 0.1 undecidable manual P 147 9.3795 131 0.04 99
IV.CSP1.EHZ. 2020-08-10T09:13:04.62 0.1 undecidable manual P 28 13.7751 114 -0.04 98
IT.MTCL.HGE. 2020-08-10T09:13:04.33 0.6 undecidable manual P 277 10.2786 127 0.12 49
IV.FDMO.HHZ. 2020-08-10T09:13:03.85 0.1 undecidable manual P 333 6.7932 143 0.04 100
IV.ATMI.HHZ. 2020-08-10T09:12:51.11 3.0 positive manual P -2.28 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.4 0.00003255 1.46 AML other m 2020-08-10T09:13:05.87
IV.FDMO.HHN. ML:0.8 0.00007575 0.12 AML other m 2020-08-10T09:13:06.13
IV.NRCA.HHE. ML:0.4 0.00002245 0.82 AML other m 2020-08-10T09:13:08.06
IV.NRCA.HHN. ML:0.4 0.00001855 0.14 AML other m 2020-08-10T09:13:08.49
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