Earthquake with magnitude of ML 1.0 on date 29-10-2020 and time 18:13:33 (UTC) in region 6 km W Montemonaco (AP)

A magnitude ML 1.0 earthquake occured in region: 6 km W Montemonaco (AP), on

  • 29-10-2020 18:13:33 (UTC)
  • 29-10-2020 19:13:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9020, 13.2500 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 10 523 2586
Ussita MC 10 444 3030
Bolognola MC 11 142 3172
Amandola FM 12 3629 6801
Visso MC 14 1107 7908
Comunanza AP 15 3166 11074
Arquata del Tronto AP 15 1178 12252
Acquacanina MC 16 121 12373
Sarnano MC 16 3264 15637
Fiastra MC 17 559 16196
Palmiano AP 17 196 16392
Preci PG 17 724 17116
Norcia PG 18 4957 22073
Roccafluvione AP 19 2010 24083
Montefalcone Appennino FM 20 424 24507
Acquasanta Terme AP 20 2916 27423
Smerillo FM 20 365 27788
Gualdo MC 20 815 28603
Fiordimonte MC 20 202 28805

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km E of Foligno (57155 inhabitants)
46 Km NW of Teramo (54892 inhabitants)
62 Km NE of Terni (111501 inhabitants)
62 Km N of L'Aquila (69753 inhabitants)
74 Km E of Perugia (166134 inhabitants)
83 Km S of Ancona (100861 inhabitants)
85 Km NW of Montesilvano (53738 inhabitants)
93 Km NW of Pescara (121014 inhabitants)
97 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 1.0 2020-10-29
18:13:33
42.9025 13.2497 25 2020-10-29
18:26:32
Sala Sismica INGV-Roma 84241411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-29 18:13:33 ± 0.25
Latitude 42.9025 ± 0.0072
Longitude 13.2497 ± 0.0098
Depth (km) 25 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 84241411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 807
Semi-minor axis of confidence ellipse (meter) 559
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 74
Circular confidence region, given by single value of horizontal uncertainty (meter) 810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 142
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.19245
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 84241411
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-29 18:26:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2020-10-29T18:13:52.43 3.0 undecidable manual S -0.31 0
IV.ARVD.HHZ. 2020-10-29T18:13:48.74 3.0 positive manual P 1.77 0
IV.GUMA.HHZ. 2020-10-29T18:13:43.25 0.1 undecidable manual S 21 19.0698 138 0.36 93
IV.MF5.EHZ. 2020-10-29T18:13:43.21 0.1 undecidable manual S 61 19.4694 137 0.24 95
IV.CSP1.EHZ. 2020-10-29T18:13:43.18 0.1 undecidable manual S 350 21.3675 135 -0.12 97
IV.NRCA.HHZ. 2020-10-29T18:13:42.08 0.1 undecidable manual S 235 13.3755 149 0.1 99
IV.FDMO.HHZ. 2020-10-29T18:13:42.95 0.1 undecidable manual S 319 19.869 137 -0.08 98
IV.MC2.EHZ. 2020-10-29T18:13:41.27 0.1 undecidable manual S 281 4.995 167 0.14 99
IV.MMO1.EHZ. 2020-10-29T18:13:40.68 0.1 undecidable manual S 93 6.2937 164 -0.54 92
IV.CSP1.EHZ. 2020-10-29T18:13:39.05 0.1 undecidable manual P 350 21.3675 135 -0.08 97
IV.GUMA.HHZ. 2020-10-29T18:13:39.01 0.1 undecidable manual P 21 19.0698 138 0.12 98
IV.NRCA.HHZ. 2020-10-29T18:13:38.43 0.1 undecidable manual P 235 13.3755 149 0.06 100
IV.FDMO.HHZ. 2020-10-29T18:13:38.91 0.1 undecidable manual P 319 19.869 137 -0.06 98
IV.MF5.EHZ. 2020-10-29T18:13:38.95 0.1 undecidable manual P 61 19.4694 137 0.02 100
IV.MC2.EHZ. 2020-10-29T18:13:37.99 0.1 undecidable manual P 281 4.995 167 0.12 100
IV.MMO1.EHZ. 2020-10-29T18:13:37.62 0.1 undecidable manual P 93 6.2937 164 -0.31 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.2 0.00009709999999999999 0.4 AML other m 2020-10-29T18:13:42.31
IV.NRCA.HHE. ML:1.3 0.00009784999999999999 0.16 AML other m 2020-10-29T18:13:42.98
IV.FDMO.HHE. ML:0.5 0.000013155 0.78 AML other m 2020-10-29T18:13:43.66
IV.FDMO.HHN. ML:0.7 0.000026450000000000003 0.62 AML other m 2020-10-29T18:13:43.39
IV.NRCA.HNE. ML:1.2 0.000095468455 0.1152 AML other m 2020-10-29T18:13:42.90
IV.MF5.EHN. ML:0.6 0.0000182604 0.1408 AML other m 2020-10-29T18:13:43.91
IV.CSP1.EHE. ML:0.9 0.0000354876835 0.3968 AML other m 2020-10-29T18:13:43.53
IV.CSP1.EHN. ML:1.0 0.000043073650000000004 0.32 AML other m 2020-10-29T18:13:43.36
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download