Earthquake with magnitude of ML 1.1 on date 29-10-2020 and time 15:47:20 (Italy) in region 4 km NE Ovindoli (AQ)

A magnitude ML 1.1 earthquake occured in region: 4 km NE Ovindoli (AQ), on

  • 29-10-2020 14:47:20 (UTC)
  • 29-10-2020 15:47:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.158, 13.562 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Ovindoli AQ 5 1227 1227
Rocca di Mezzo AQ 7 1526 2753
Tione degli Abruzzi AQ 8 310 3063
Celano AQ 8 11017 14080
Aielli AQ 9 1475 15555
Fontecchio AQ 9 369 15924
Secinaro AQ 10 359 16283
Rocca di Cambio AQ 11 533 16816
Cerchio AQ 11 1635 18451
Fagnano Alto AQ 11 418 18869
Collarmele AQ 12 894 19763
Gagliano Aterno AQ 12 254 20017
Villa Sant'Angelo AQ 13 424 20441
Acciano AQ 13 327 20768
Caporciano AQ 14 230 20998
Prata d'Ansidonia AQ 14 496 21494
Castelvecchio Subequo AQ 14 982 22476
Molina Aterno AQ 14 386 22862
San Demetrio ne' Vestini AQ 15 1854 24716
Massa d'Albe AQ 15 1476 26192
Sant'Eusanio Forconese AQ 15 394 26586
Castel di Ieri AQ 16 303 26889
Ocre AQ 16 1167 28056
San Pio delle Camere AQ 16 661 28717
Fossa AQ 16 721 29438
Navelli AQ 17 554 29992
Pescina AQ 17 4133 34125
San Benedetto in Perillis AQ 17 113 34238
San Benedetto dei Marsi AQ 18 3909 38147
Magliano de' Marsi AQ 18 3690 41837
Avezzano AQ 18 42515 84352
Poggio Picenze AQ 18 1136 85488
Carapelle Calvisio AQ 19 87 85575
Barisciano AQ 19 1828 87403
Collepietro AQ 19 237 87640
Goriano Sicoli AQ 19 569 88209
Castelvecchio Calvisio AQ 20 153 88362

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km SE of L'Aquila (69753 inhabitants)
54 Km W of Chieti (51815 inhabitants)
57 Km S of Teramo (54892 inhabitants)
63 Km SW of Montesilvano (53738 inhabitants)
64 Km SW of Pescara (121014 inhabitants)
67 Km E of Tivoli (56533 inhabitants)
71 Km E of Guidonia Montecelio (88673 inhabitants)
83 Km NE of Velletri (53303 inhabitants)
88 Km SE of Terni (111501 inhabitants)
94 Km E of Roma (2864731 inhabitants)
94 Km NE of Latina (125985 inhabitants)
98 Km NE of Aprilia (73446 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 1.1 2020-10-29
14:47:20
42.1577 13.5625 11 2021-02-26
14:56:13
Bollettino Sismico Italiano INGV 86027351
Reviewed
Rev100
ML 1.1 2020-10-29
14:47:20
42.161 13.5742 11 2020-10-29
14:55:38
Sala Sismica INGV-Roma 84239351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-29 14:47:20 ± 0.1
Latitude 42.1577 ± 0.0045
Longitude 13.5625 ± 0.0097
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86027351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 802
Semi-minor axis of confidence ellipse (meter) 169
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 284
Circular confidence region, given by single value of horizontal uncertainty (meter) 800
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.10882
Epicentral distance of station farthest from the epicenter (degree) 0.46585
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 86027351
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-05 11:41:16

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 84239351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-29 14:55:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.TERO.HHZ. 2020-10-29T14:47:36.47 0.6 undecidable manual S 4 0.4658 50 -0.03 47
IV.VCEL.EHZ. 2020-10-29T14:47:32.32 0.6 undecidable manual S 41 0.3139 50 0.33 46
IV.VVLD.HHZ. 2020-10-29T14:47:31.82 0.6 undecidable manual S 171 0.2914 50 0.49 44
IV.GIGS.HHN. 2020-10-29T14:47:30.97 0.6 undecidable manual S 1 0.2959 50 -0.49 44
IV.INTR.HHZ. 2020-10-29T14:47:30.86 0.6 undecidable manual S 120 0.2932 50 -0.51 44
IV.TERO.HHZ. 2020-10-29T14:47:29.60 0.3 undecidable manual P 4 0.4658 50 0.01 71
IV.VCEL.EHZ. 2020-10-29T14:47:27.09 0.1 undecidable manual P 41 0.3139 50 0.1 96
IV.PTQR.HHZ. 2020-10-29T14:47:27.80 0.6 undecidable manual S 222 0.1808 118 -0.24 48
IV.T0110.HHZ. 2020-10-29T14:47:27.34 0.6 undecidable manual S 66 0.1736 119 -0.45 46
IV.GIGS.HHN. 2020-10-29T14:47:26.48 0.1 undecidable manual P 1 0.2959 50 -0.19 94
IV.INTR.HHZ. 2020-10-29T14:47:26.59 0.3 undecidable manual P 120 0.2932 50 -0.04 73
IV.VVLD.HHZ. 2020-10-29T14:47:26.95 0.3 undecidable manual P 171 0.2914 50 0.35 69
IV.FAGN.HHZ. 2020-10-29T14:47:25.86 0.3 undecidable manual S 8 0.1088 131 0.12 75
IV.T0110.HHZ. 2020-10-29T14:47:24.59 0.1 positive manual P 66 0.1736 119 0.03 100
IV.PTQR.HHZ. 2020-10-29T14:47:24.40 0.3 undecidable manual P 222 0.1808 118 -0.3 71
IV.FAGN.HHZ. 2020-10-29T14:47:23.76 0.1 undecidable manual P 8 0.1088 131 0.39 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FAGN.HHN. ML:1.8 0.0006745 0.74 AML other m 2020-10-29T14:47:26.56
IV.FAGN.HHE. ML:1.7 0.000602 0.66 AML other m 2020-10-29T14:47:27.11
IV.T0110.HHE. ML:1.4 0.000192 0.26 AML other m 2020-10-29T14:47:27.81
IV.T0110.HHN. ML:1.2 0.0001315 1.38 AML other m 2020-10-29T14:47:28.21
IV.INTR.HHE. ML:1.1 5.125E-5 1.12 AML other m 2020-10-29T14:47:31.16
IV.INTR.HHN. ML:1.2 6.445E-5 1.1 AML other m 2020-10-29T14:47:32.82
IV.VVLD.HHN. ML:0.8 2.785E-5 1.28 AML other m 2020-10-29T14:47:32.20
IV.VCEL.EHN. ML:1.1 4.837848E-5 0.1856 AML other m 2020-10-29T14:47:32.99
IV.VCEL.EHE. ML:1.1 5.5135945E-5 0.1792 AML other m 2020-10-29T14:47:33.86
IV.VVLD.HHE. ML:0.8 2.365E-5 0.48 AML other m 2020-10-29T14:47:34.73
IV.TERO.HHE. ML:0.8 1.5705895E-5 0.1024 AML other m 2020-10-29T14:47:38.08
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