Earthquake with magnitude of ML 0.8 on date 13-10-2020 and time 16:20:45 (Italy) in region 4 km E Ussita (MC)

A magnitude ML 0.8 earthquake occured in region: 4 km E Ussita (MC), on

  • 13-10-2020 14:20:45 (UTC)
  • 13-10-2020 16:20:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.93, 13.18 at 9 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
Ussita MC 4 444 444
Castelsantangelo sul Nera MC 4 281 725
Visso MC 7 1107 1832
Bolognola MC 8 142 1974
Acquacanina MC 11 121 2095
Fiastra MC 12 559 2654
Montemonaco AP 13 604 3258
Preci PG 13 724 3982
Montefortino FM 13 1178 5160
Fiordimonte MC 14 202 5362
Sarnano MC 16 3264 8626
Amandola FM 16 3629 12255
Monte Cavallo MC 16 145 12400
Montegallo AP 16 523 12923
Pieve Torina MC 16 1458 14381
Pievebovigliana MC 17 866 15247
Norcia PG 17 4957 20204
Comunanza AP 20 3166 23370
Arquata del Tronto AP 20 1178 24548

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
53 Km NW of Teramo (54892 inhabitants)
60 Km NE of Terni (111501 inhabitants)
67 Km N of L'Aquila (69753 inhabitants)
67 Km E of Perugia (166134 inhabitants)
81 Km SW of Ancona (100861 inhabitants)
92 Km NW of Montesilvano (53738 inhabitants)
99 Km NW of Pescara (121014 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 2020-10-13
14:20:45
42.93 13.18 9 2021-02-26
14:56:01
Bollettino Sismico Italiano INGV 84181951
Reviewed
Rev100
ML 0.6 2020-10-13
14:20:46
42.93 13.15 3 2020-10-13
14:34:22
Sala Sismica INGV-Roma 83757121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-13 14:20:45 ± 0.12
Latitude 42.93 ± 0.00
Longitude 13.18 ± 0.01
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84181951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 500
Semi-minor axis of confidence ellipse (meter) 12
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 62
Circular confidence region, given by single value of horizontal uncertainty (meter) 500
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.32106
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 84181951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-27 14:52:34

ML:0.6

Field Value
Value 0.6
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 83757121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-13 14:34:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.BRMO.HHZ. 2020-10-13T14:22:34.85 3.0 undecidable manual Sn 2.82 0
GU.CANO.HHZ. 2020-10-13T14:22:27.40 3.0 undecidable manual Sn 3.24 0
IV.SARZ.HHZ. 2020-10-13T14:22:18.81 3.0 undecidable manual Sn -1.49 0
IV.CMPR.HHZ. 2020-10-13T14:22:17.95 3.0 undecidable manual Sg 6.87 0
IV.MTGR.HHZ. 2020-10-13T14:22:11.98 3.0 positive manual Pg 13.43 0
AC.VLO.HHZ. 2020-10-13T14:22:02.06 3.0 undecidable manual Pn -2.38 0
XK.GIZZ.HHZ. 2020-10-13T14:22:00.24 3.0 negative manual Pg 7.09 0
IV.MSAG.HHZ. 2020-10-13T14:21:54.85 3.0 undecidable manual Sn -0.37 0
GU.CANO.HHZ. 2020-10-13T14:21:41.75 3.0 undecidable manual Pn 1.91 0
IV.STAL.HNZ. 2020-10-13T14:21:33.67 3.0 undecidable manual Pn -1.4 0
IV.CMPR.HHZ. 2020-10-13T14:21:31.03 3.0 undecidable manual Pn -1.46 0
IV.MTMR.EHZ. 2020-10-13T14:21:25.36 3.0 undecidable manual Pg 1.43 0
IT.SULP.HGZ. 2020-10-13T14:21:20.48 3.0 undecidable manual S -0.74 0
OT.OT11.EHZ. 2020-10-13T14:21:18.18 3.0 positive manual Pn -2.11 0
IV.SAMA.EHZ. 2020-10-13T14:21:12.27 3.0 undecidable manual S -9.99 0
IV.RIBO.EHZ.01 2020-10-13T14:21:09.79 3.0 negative manual Pg 0.9 0
IV.SRES.HHZ. 2020-10-13T14:21:02.21 3.0 undecidable manual S -8.9 0
IV.PF6.EHZ. 2020-10-13T14:20:54.03 0.6 undecidable manual S 3 0.2077 111 0.06 49
IV.CESI.HNZ. 2020-10-13T14:20:54.44 0.3 undecidable manual S 291 0.2131 111 0.26 70
IV.MML1.HNZ. 2020-10-13T14:20:54.96 0.3 undecidable manual S 321 0.2374 109 -0.08 73
IV.CSP1.EHZ. 2020-10-13T14:20:52.50 0.3 undecidable manual S 7 0.1628 117 0.12 73
IV.GAVE.EHN. 2020-10-13T14:20:52.24 0.6 undecidable manual P 221 0.3166 50 -0.23 46
IV.SMA1.EHN. 2020-10-13T14:20:51.96 0.6 undecidable manual P 159 0.3211 50 -0.6 42
IV.FDMO.HHZ. 2020-10-13T14:20:50.93 0.3 undecidable manual S 328 0.125 123 -0.2 72
IV.CESI.HNZ. 2020-10-13T14:20:50.76 0.6 undecidable manual P 291 0.2131 111 0.3 46
IV.MML1.HNZ. 2020-10-13T14:20:50.89 0.6 undecidable manual P 321 0.2374 109 -0.07 49
IV.MMO1.EHZ. 2020-10-13T14:20:50.96 0.6 undecidable manual S 106 0.1133 126 0.21 48
IV.MF5.EHZ. 2020-10-13T14:20:50.78 0.6 undecidable manual P 74 0.214 111 0.31 46
IV.NRCA.HHZ. 2020-10-13T14:20:50.92 0.3 undecidable manual S 206 0.1079 127 0.34 70
IV.FEMA.HNZ. 2020-10-13T14:20:50.54 0.6 undecidable manual S 289 0.0989 129 0.21 48
IV.PF6.EHZ. 2020-10-13T14:20:50.39 0.6 undecidable manual P 3 0.2077 111 0.05 49
IV.GUMA.HHZ. 2020-10-13T14:20:49.82 0.6 undecidable manual P 41 0.1754 115 0.14 48
IV.CSP1.EHZ. 2020-10-13T14:20:49.15 0.6 undecidable manual P 7 0.1628 117 -0.28 47
IV.NRCA.HHZ. 2020-10-13T14:20:48.59 0.3 undecidable manual P 206 0.1079 127 0.21 73
IV.FEMA.HNZ. 2020-10-13T14:20:48.00 0.3 undecidable manual P 289 0.0989 129 -0.24 72
IV.FDMO.HHZ. 2020-10-13T14:20:48.73 0.1 undecidable manual P 328 0.125 123 0.03 100
IV.MMO1.EHZ. 2020-10-13T14:20:48.86 0.3 undecidable manual P 106 0.1133 126 0.38 70
IV.MC2.EHZ. 2020-10-13T14:20:47.94 0.3 undecidable manual S 157 0.0207 166 -0.68 65
IV.MC2.EHZ. 2020-10-13T14:20:47.05 0.1 undecidable manual P 157 0.0207 166 -0.2 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:0.9 8.98E-5 1.52 AML other m 2020-10-13T14:20:52.00
IV.FDMO.HHN. ML:0.6 4.505E-5 1.58 AML other m 2020-10-13T14:20:52.08
IV.FDMO.HHE. ML:0.6 4.54E-5 1.76 AML other m 2020-10-13T14:20:52.10
IV.NRCA.HHN. ML:0.9 8.5E-5 0.78 AML other m 2020-10-13T14:20:52.17
IV.STAL.HHE. ML:3.4 0.000174 1.38 AML other m 2020-10-13T14:21:41.84
IV.STAL.HHN. ML:3.3 0.00014 0.54 AML other m 2020-10-13T14:21:41.53
IV.CMPR.HHN. ML:2.8 6.175E-5 1.46 AML other m 2020-10-13T14:22:08.24
IV.CMPR.HHE. ML:2.8 5.725E-5 1.58 AML other m 2020-10-13T14:22:30.06
GU.CANO.HHN. ML:3.3 0.00010425 0.18 AML other m 2020-10-13T14:22:38.95
GU.CANO.HHE. ML:3.6 0.0001985 0.96 AML other m 2020-10-13T14:22:43.98
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download