Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 06-10-2020 and time 12:56:20 (UTC) in region 4 km SE Venarotta (AP)

A magnitude ML 2.1 earthquake occured in region: 4 km SE Venarotta (AP), on

  • 06-10-2020 12:56:20 (UTC)
  • 06-10-2020 14:56:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8560, 13.5250 at 20 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Venarotta AP 4 2066 2066
Roccafluvione AP 4 2010 4076
Ascoli Piceno AP 4 49407 53483
Palmiano AP 7 196 53679
Folignano AP 10 9241 62920
Rotella AP 12 906 63826
Castignano AP 12 2796 66622
Force AP 12 1354 67976
Appignano del Tronto AP 13 1785 69761
Acquasanta Terme AP 13 2916 72677
Valle Castellana TE 13 977 73654
Maltignano AP 14 2401 76055
Montedinove AP 14 488 76543
Comunanza AP 15 3166 79709
Civitella del Tronto TE 15 5116 84825
Castel di Lama AP 16 8634 93459
Montefalcone Appennino FM 16 424 93883
Montegallo AP 16 523 94406
Sant'Egidio alla Vibrata TE 16 9811 104217
Montalto delle Marche AP 16 2122 106339
Offida AP 16 5058 111397
Montemonaco AP 17 604 112001
Castorano AP 17 2380 114381
Montefortino FM 18 1178 115559
Ancarano TE 18 1857 117416
Smerillo FM 18 365 117781
Montelparo FM 18 778 118559
Colli del Tronto AP 18 3668 122227
Santa Vittoria in Matenano FM 19 1330 123557
Rocca Santa Maria TE 19 537 124094
Campli TE 19 7209 131303
Cossignano AP 20 978 132281
Amandola FM 20 3629 135910
Monte Rinaldo FM 20 379 136289

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NW of Teramo (54892 inhabitants)
57 Km N of L'Aquila (69753 inhabitants)
64 Km NW of Montesilvano (53738 inhabitants)
68 Km E of Foligno (57155 inhabitants)
71 Km NW of Pescara (121014 inhabitants)
77 Km NW of Chieti (51815 inhabitants)
79 Km E of Terni (111501 inhabitants)
85 Km S of Ancona (100861 inhabitants)
97 Km E of Perugia (166134 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 2.1 2020-10-06
12:56:20		 42.8555 13.5252 20 2021-02-26
14:56:01		 Bollettino Sismico Italiano INGV 84239201
Reviewed
Rev100 		ML 2.1 2020-10-06
12:56:20		 42.8622 13.5482 18 2020-10-06
13:06:11		 Sala Sismica INGV-Roma 83553281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-06 12:56:20 ± 0.1
Latitude 42.8555 ± 0.0036
Longitude 13.5252 ± 0.0074
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84239201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 559
Semi-minor axis of confidence ellipse (meter) 77
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 257
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.13670
Epicentral distance of station farthest from the epicenter (degree) 0.65201
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 84239201
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-04 10:59:06

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 83553281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-06 13:06:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2020-10-06T12:56:40.19 0.6 undecidable manual S 327 62.7927 100 0.44 43
IV.CESI.HHZ. 2020-10-06T12:56:37.66 0.6 undecidable manual S 288 53.1024 102 0.45 43
IV.RM33.EHZ. 2020-10-06T12:56:36.05 0.6 undecidable manual S 213 46.0206 105 0.67 41
IV.LNSS.HHZ. 2020-10-06T12:56:36.72 0.6 undecidable manual S 235 48.4182 104 0.71 40
IV.FDMO.HHZ. 2020-10-06T12:56:33.90 0.6 undecidable manual S 300 40.8258 107 -0.15 48
IV.CAMP.HHZ. 2020-10-06T12:56:33.29 0.6 undecidable manual S 195 36.741 109 0.29 47
IV.CSP1.EHZ. 2020-10-06T12:56:32.88 0.6 undecidable manual S 315 36.9297 109 -0.18 48
IV.MNTP.HNZ. 2020-10-06T12:56:32.21 0.3 undecidable manual S 352 31.6461 113 0.48 68
IV.NRCA.HHZ. 2020-10-06T12:56:32.27 0.6 undecidable manual S 266 33.5442 112 0.07 49
IV.T0110.HHZ. 2020-10-06T12:56:32.98 0.3 undecidable manual P 163 72.372 98 -0.03 68
IV.MC2.EHZ. 2020-10-06T12:56:31.20 0.3 undecidable manual S 283 28.0497 117 0.34 70
IV.SMA1.EHZ. 2020-10-06T12:56:31.33 0.6 undecidable manual S 212 29.3484 115 0.14 49
IV.SAP2.EHZ. 2020-10-06T12:56:31.19 0.6 undecidable manual S 339 28.6491 116 0.18 48
IV.EL6.EHZ. 2020-10-06T12:56:31.20 0.3 undecidable manual P 327 62.7927 100 -0.34 66
IV.MNTT.EHZ. 2020-10-06T12:56:30.56 0.6 undecidable manual S 14 23.6541 122 0.72 42
IV.CESI.HHZ. 2020-10-06T12:56:30.01 0.1 undecidable manual P 288 53.1024 102 -0.06 95
IV.TERO.HHZ. 2020-10-06T12:56:30.66 0.3 undecidable manual S 166 26.5512 118 0.13 74
IV.GUMA.HHZ. 2020-10-06T12:56:30.85 0.3 undecidable manual S 326 27.6501 117 0.07 74
IV.LNSS.HHZ. 2020-10-06T12:56:29.42 0.1 undecidable manual P 235 48.4182 104 0.04 96
IV.RM33.EHZ. 2020-10-06T12:56:29.10 0.1 undecidable manual P 213 46.0206 105 0.08 96
IV.FDMO.HHZ. 2020-10-06T12:56:28.06 0.1 undecidable manual P 300 40.8258 107 -0.19 95
IV.GIGS.HHN. 2020-10-06T12:56:28.55 0.1 undecidable manual P 175 44.8218 105 -0.29 91
IV.MF5.EHZ. 2020-10-06T12:56:27.92 0.3 undecidable manual S 340 15.5733 136 -0.25 73
IV.NRCA.HHZ. 2020-10-06T12:56:27.08 0.1 undecidable manual P 266 33.5442 112 -0.11 98
IV.MTRA.HNZ. 2020-10-06T12:56:27.93 0.3 undecidable manual S 224 15.1737 137 -0.16 74
IV.CSP1.EHZ. 2020-10-06T12:56:27.40 0.1 undecidable manual P 315 36.9297 109 -0.28 93
IV.MMO1.EHZ. 2020-10-06T12:56:27.99 0.1 undecidable manual S 287 16.872 133 -0.41 94
IV.CAMP.HHZ. 2020-10-06T12:56:27.52 0.1 undecidable manual P 195 36.741 109 -0.13 96
IV.TERO.HHZ. 2020-10-06T12:56:26.16 0.1 undecidable manual P 166 26.5512 118 -0.06 98
IV.SAP2.EHZ. 2020-10-06T12:56:26.98 0.6 undecidable manual P 339 28.6491 116 0.48 45
IV.MNTP.HNZ. 2020-10-06T12:56:26.79 0.3 undecidable manual P 352 31.6461 113 -0.12 73
IV.GUMA.HHZ. 2020-10-06T12:56:26.22 0.3 undecidable manual P 326 27.6501 117 -0.15 73
IV.MC2.EHZ. 2020-10-06T12:56:26.37 0.1 undecidable manual P 283 28.0497 117 -0.04 100
IV.SMA1.EHZ. 2020-10-06T12:56:26.60 0.3 undecidable manual P 212 29.3484 115 0 75
IV.OFFI.HHE. 2020-10-06T12:56:25.11 0.1 undecidable manual P 56 15.7731 136 0.24 99
IV.MNTT.EHZ. 2020-10-06T12:56:25.95 0.6 undecidable manual P 14 23.6541 122 0.13 50
IV.MMO1.EHZ. 2020-10-06T12:56:24.75 0.1 undecidable manual P 287 16.872 133 -0.24 97
IV.MF5.EHZ. 2020-10-06T12:56:24.67 0.1 undecidable manual P 340 15.5733 136 -0.19 98
IV.MTRA.HNZ. 2020-10-06T12:56:24.70 0.1 undecidable manual P 224 15.1737 137 -0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MF5.EHE. ML:1.9 0.0005685 0.64 AML other m 2020-10-06T12:56:28.02
IV.MF5.EHN. ML:2.3 0.0013199999999999998 0.3 AML other m 2020-10-06T12:56:28.19
IV.MTRA.HNE. ML:2.4 0.0017549999999999998 0.52 AML other m 2020-10-06T12:56:28.26
IV.MTRA.EHE. ML:2.4 0.001845 0.54 AML other m 2020-10-06T12:56:28.28
IV.MTRA.EHN. ML:2.0 0.000735 0.18 AML other m 2020-10-06T12:56:28.32
IV.MTRA.HNN. ML:2.0 0.000726 0.18 AML other m 2020-10-06T12:56:28.32
IV.MNTT.EHN. ML:2.6 0.002055 0.36 AML other m 2020-10-06T12:56:30.90
IV.GUMA.HHE. ML:2.3 0.0008275 1.8 AML other m 2020-10-06T12:56:30.96
IV.TERO.HHE. ML:1.8 0.0003195 1.36 AML other m 2020-10-06T12:56:31.19
IV.GUMA.HHN. ML:2.0 0.00044899999999999996 0.46 AML other m 2020-10-06T12:56:31.46
IV.SAP2.EHN. ML:2.7 0.00219 0.22 AML other m 2020-10-06T12:56:31.75
IV.SMA1.EHE. ML:2.2 0.0007090000000000001 0.9 AML other m 2020-10-06T12:56:31.79
IV.SMA1.EHN. ML:2.4 0.001125 0.14 AML other m 2020-10-06T12:56:31.82
IV.SAP2.EHE. ML:2.2 0.0007270000000000001 1.16 AML other m 2020-10-06T12:56:32.77
IV.MNTT.EHE. ML:2.6 0.0018700000000000001 0.28 AML other m 2020-10-06T12:56:32.43
IV.NRCA.HHE. ML:2.5 0.001175 0.46 AML other m 2020-10-06T12:56:32.67
IV.NRCA.HHN. ML:2.4 0.0009824999999999999 0.1 AML other m 2020-10-06T12:56:32.75
IV.FDMO.HHN. ML:1.9 0.00021950000000000002 0.3 AML other m 2020-10-06T12:56:34.16
IV.FDMO.HHE. ML:1.8 0.00019700000000000002 0.52 AML other m 2020-10-06T12:56:34.32
IV.TERO.HHN. ML:1.7 0.0002485 0.26 AML other m 2020-10-06T12:56:34.65
IV.RM33.EHN. ML:2.2 0.00041000000000000005 0.24 AML other m 2020-10-06T12:56:36.43
IV.CAMP.HHE. ML:1.4 0.00008410000000000001 0.26 AML other m 2020-10-06T12:56:36.66
IV.RM33.EHE. ML:2.2 0.000433 0.16 AML other m 2020-10-06T12:56:36.58
IV.LNSS.HHE. ML:2.0 0.0002525 0.62 AML other m 2020-10-06T12:56:37.35
IV.LNSS.HHN. ML:2.1 0.00034599999999999995 1.2 AML other m 2020-10-06T12:56:37.94
IV.CAMP.HHN. ML:1.5 0.00010960000000000001 0.38 AML other m 2020-10-06T12:56:37.94
IV.CESI.HHE. ML:1.8 0.00013000000000000002 1.24 AML other m 2020-10-06T12:56:38.17
IV.CESI.HHN. ML:1.8 0.000132 0.36 AML other m 2020-10-06T12:56:38.52
IV.EL6.EHE. ML:1.7 0.00009955 1.12 AML other m 2020-10-06T12:56:43.11
IV.EL6.EHN. ML:1.7 0.00009800000000000001 1.38 AML other m 2020-10-06T12:56:46.09
IV.T0110.HHE. ML:1.9 0.00012035000000000001 0.34 AML other m 2020-10-06T12:56:52.73
IV.T0110.HHN. ML:1.8 0.0001023 0.54 AML other m 2020-10-06T12:56:52.95
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
Waveforms Seismic signals in miniseed + resp format Download