Earthquake with magnitude of ML 0.9 on date 29-10-2020 and time 19:00:58 (Italy) in region 6 km W Montemonaco (AP)

A magnitude ML 0.9 earthquake occured in region: 6 km W Montemonaco (AP), on

  • 29-10-2020 18:00:58 (UTC)
  • 29-10-2020 19:00:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9, 13.26 at 25 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
Montemonaco AP 6 604 604
Castelsantangelo sul Nera MC 8 281 885
Montefortino FM 9 1178 2063
Montegallo AP 9 523 2586
Ussita MC 11 444 3030
Bolognola MC 11 142 3172
Amandola FM 12 3629 6801
Visso MC 14 1107 7908
Arquata del Tronto AP 14 1178 9086
Comunanza AP 15 3166 12252
Sarnano MC 16 3264 15516
Acquacanina MC 16 121 15637
Palmiano AP 17 196 15833
Fiastra MC 17 559 16392
Norcia PG 18 4957 21349
Preci PG 18 724 22073
Roccafluvione AP 18 2010 24083
Acquasanta Terme AP 19 2916 26999
Montefalcone Appennino FM 19 424 27423
Venarotta AP 20 2066 29489
Smerillo FM 20 365 29854
Gualdo MC 20 815 30669

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km NW of Teramo (54892 inhabitants)
45 Km E of Foligno (57155 inhabitants)
62 Km N of L'Aquila (69753 inhabitants)
62 Km NE of Terni (111501 inhabitants)
74 Km E of Perugia (166134 inhabitants)
83 Km S of Ancona (100861 inhabitants)
85 Km NW of Montesilvano (53738 inhabitants)
92 Km NW of Pescara (121014 inhabitants)
96 Km NW of Chieti (51815 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 0.9 2020-10-29
18:00:58
42.9 13.26 25 2020-10-29
21:14:05
Sala Sismica INGV-Roma 84245201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-29 18:00:58 ± 0.31
Latitude 42.90 ± 0.01
Longitude 13.26 ± 0.01
Depth (km) 25 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 84245201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1298
Semi-minor axis of confidence ellipse (meter) 839
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 322
Circular confidence region, given by single value of horizontal uncertainty (meter) 1300
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 148
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.19605
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.4
Num. used stations 7
Type of magnitude ML
Reference to an origin 84245201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-29 21:14:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
MN.PDG.HHZ. 2020-10-29T18:02:53.71 3.0 undecidable manual Sn 2.36 0
GU.RRL.HHZ. 2020-10-29T18:02:30.49 3.0 undecidable manual Pg 18.76 0
AC.VLO.HHZ. 2020-10-29T18:02:28.22 3.0 negative manual Pg 16 0
X3.T1573.HHZ. 2020-10-29T18:02:21.88 3.0 negative manual Pg 12.55 0
IV.MNTV.HNZ. 2020-10-29T18:02:16.98 3.0 undecidable manual Sn 1.27 0
MN.TRI.HHZ. 2020-10-29T18:02:14.85 3.0 undecidable manual Sn 0.72 0
IV.RESU.HHZ. 2020-10-29T18:02:11.23 3.0 negative manual Pn -1.34 0
IV.ZONE.HHZ. 2020-10-29T18:02:04.37 3.0 positive manual Pg 12.52 0
GU.GENL.EHZ. 2020-10-29T18:02:03.39 3.0 negative manual Pg 14.11 0
IV.PAOL.HHZ. 2020-10-29T18:01:48.73 3.0 undecidable manual Sn -4.89 0
IV.BRSN.HNZ. 2020-10-29T18:01:43.84 3.0 undecidable manual Sn -1.5 0
IV.NDIM.HHZ. 2020-10-29T18:01:39.58 3.0 undecidable manual Pn 1.79 0
IV.LAV9.HNZ. 2020-10-29T18:01:36.24 3.0 undecidable manual Sg 1.61 0
IV.RMP.HHZ. 2020-10-29T18:01:30.51 3.0 undecidable manual Sg -1.06 0
IV.SFI.EHZ. 2020-10-29T18:01:26.30 3.0 undecidable manual Pg 4.71 0
IV.LRP.EHZ. 2020-10-29T18:01:17.24 3.0 negative manual Pg -0.29 0
IV.CSP1.EHZ. 2020-10-29T18:01:08.09 0.1 undecidable manual S 349 0.1961 135 -0.05 99
IV.MF5.EHZ. 2020-10-29T18:01:08.11 0.1 undecidable manual S 59 0.1736 138 0.43 90
IV.FDMO.HHZ. 2020-10-29T18:01:07.95 0.1 undecidable manual S 318 0.1844 136 0.05 98
IV.MC2.EHZ. 2020-10-29T18:01:06.11 0.1 undecidable manual S 284 0.0504 166 0.16 99
IV.NRCA.HHZ. 2020-10-29T18:01:06.85 0.1 undecidable manual S 238 0.1223 148 0.07 100
IV.MMO1.EHZ. 2020-10-29T18:01:05.50 0.1 undecidable manual S 90 0.0522 166 -0.46 93
IV.TERO.HHZ. 2020-10-29T18:01:03.59 3.0 undecidable manual P -1.35 0
IV.MF5.EHZ. 2020-10-29T18:01:03.82 0.1 undecidable manual P 59 0.1736 138 0.18 96
IV.GUMA.HHN. 2020-10-29T18:01:03.11 0.1 undecidable manual P 20 0.1736 138 -0.53 90
IV.FDMO.HHZ. 2020-10-29T18:01:03.75 0.1 undecidable manual P 318 0.1844 136 -0.01 99
IV.NRCA.HHZ. 2020-10-29T18:01:03.34 0.1 undecidable manual P 238 0.1223 148 0.22 97
IV.CSP1.EHZ. 2020-10-29T18:01:03.89 0.1 undecidable manual P 349 0.1961 135 -0.01 99
IV.MMO1.EHZ. 2020-10-29T18:01:02.47 0.1 undecidable manual P 90 0.0522 166 -0.18 99
IV.MC2.EHZ. 2020-10-29T18:01:02.77 0.1 undecidable manual P 284 0.0504 166 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.2 8.015E-5 0.1 AML other m 2020-10-29T18:01:07.24
IV.NRCA.HHN. ML:1.1 7.375E-5 0.38 AML other m 2020-10-29T18:01:07.33
IV.NRCA.HNE. ML:1.4 0.0001206857 0.96 AML other m 2020-10-29T18:01:07.24
IV.NRCA.HNN. ML:0.7 3.24260905E-5 0.1536 AML other m 2020-10-29T18:01:06.92
IV.FDMO.HHE. ML:0.3 9.290154E-6 0.1024 AML other m 2020-10-29T18:01:08.24
IV.FDMO.HHN. ML:0.3 1.0907055E-5 0.1408 AML other m 2020-10-29T18:01:08.19
IV.CSP1.EHN. ML:1 3.812188E-5 1.2928 AML other m 2020-10-29T18:01:08.04
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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