Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 06-10-2020 and time 20:12:52 (Italy) in region 3 km E Roccafluvione (AP)

A magnitude ML 2.2 earthquake occured in region: 3 km E Roccafluvione (AP), on

  • 06-10-2020 18:12:52 (UTC)
  • 06-10-2020 20:12:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8570, 13.5140 at 21 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
Roccafluvione AP 3 2010 2010
Venarotta AP 3 2066 4076
Ascoli Piceno AP 5 49407 53483
Palmiano AP 7 196 53679
Folignano AP 11 9241 62920
Rotella AP 12 906 63826
Force AP 12 1354 65180
Castignano AP 13 2796 67976
Acquasanta Terme AP 13 2916 70892
Appignano del Tronto AP 13 1785 72677
Valle Castellana TE 14 977 73654
Comunanza AP 14 3166 76820
Montedinove AP 14 488 77308
Maltignano AP 14 2401 79709
Montegallo AP 15 523 80232
Montefalcone Appennino FM 15 424 80656
Civitella del Tronto TE 16 5116 85772
Montemonaco AP 16 604 86376
Castel di Lama AP 16 8634 95010
Montalto delle Marche AP 16 2122 97132
Sant'Egidio alla Vibrata TE 17 9811 106943
Offida AP 17 5058 112001
Montefortino FM 17 1178 113179
Smerillo FM 17 365 113544
Castorano AP 18 2380 115924
Montelparo FM 18 778 116702
Santa Vittoria in Matenano FM 18 1330 118032
Ancarano TE 19 1857 119889
Amandola FM 19 3629 123518
Rocca Santa Maria TE 19 537 124055
Colli del Tronto AP 19 3668 127723
Monte Rinaldo FM 20 379 128102
Arquata del Tronto AP 20 1178 129280

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NW of Teramo (54892 inhabitants)
57 Km N of L'Aquila (69753 inhabitants)
64 Km NW of Montesilvano (53738 inhabitants)
67 Km E of Foligno (57155 inhabitants)
72 Km NW of Pescara (121014 inhabitants)
78 Km NW of Chieti (51815 inhabitants)
78 Km E of Terni (111501 inhabitants)
85 Km S of Ancona (100861 inhabitants)
96 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 2.2 2020-10-06
18:12:52		 42.8573 13.5143 21 2021-02-26
14:56:01		 Bollettino Sismico Italiano INGV 84239631
Reviewed
Rev100 		ML 2.2 2020-10-06
18:12:52		 42.8562 13.5128 21 2020-10-06
18:22:41		 Sala Sismica INGV-Roma 83562341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-06 18:12:52 ± 0.12
Latitude 42.8573 ± 0.0036
Longitude 13.5143 ± 0.0074
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84239631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 548
Semi-minor axis of confidence ellipse (meter) 134
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 264
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 48
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) 0.13220
Epicentral distance of station farthest from the epicenter (degree) 0.76442
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 32
Type of magnitude ML
Reference to an origin 83562341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-06 18:22:41

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 32
Type of magnitude ML
Reference to an origin 84239631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-04 11:25:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2020-10-06T18:13:12.06 0.6 undecidable manual S 328 62.0934 101 0.48 42
IV.GAVE.EHZ. 2020-10-06T18:13:10.27 1.0 undecidable manual S 250 53.7018 103 0.89 18
IV.CESI.HHZ. 2020-10-06T18:13:09.53 0.6 undecidable manual S 289 52.2033 104 0.55 42
IV.LNSS.HHZ. 2020-10-06T18:13:08.56 0.6 undecidable manual S 234 47.8188 105 0.7 39
IV.GIGS.HHN. 2020-10-06T18:13:07.18 0.6 undecidable manual S 174 45.1215 106 0.03 48
IV.RM33.EHZ. 2020-10-06T18:13:07.80 0.6 undecidable manual S 212 45.7209 106 0.48 43
IV.ARVD.HHZ. 2020-10-06T18:13:07.59 0.3 undecidable manual P 327 84.8484 98 0.71 56
IV.TRTR.HHE. 2020-10-06T18:13:05.97 0.6 undecidable manual S 99 32.9448 114 1.86 22
IV.CAMP.HHZ. 2020-10-06T18:13:05.59 1.0 undecidable manual S 194 36.6411 111 0.57 21
IV.MOMA.HHZ. 2020-10-06T18:13:05.84 0.3 undecidable manual P 266 77.0673 99 0.15 66
IV.ARRO.EHZ. 2020-10-06T18:13:04.69 0.3 undecidable manual P 243 68.376 100 0.31 64
IV.T1299.HNN. 2020-10-06T18:13:04.12 0.3 undecidable manual S 217 31.1466 115 0.45 67
IV.ASSB.HHZ. 2020-10-06T18:13:04.88 0.3 undecidable manual P 287 72.4719 99 -0.11 68
IV.NRCA.HHZ. 2020-10-06T18:13:04.22 0.6 undecidable manual S 266 32.6451 114 0.19 47
IV.CSP1.EHZ. 2020-10-06T18:13:04.75 0.6 undecidable manual S 316 36.1416 111 -0.15 47
IV.T0110.HHZ. 2020-10-06T18:13:04.75 0.3 undecidable manual P 163 72.8715 99 -0.31 65
IV.SAP2.EHZ. 2020-10-06T18:13:03.14 0.3 undecidable manual S 341 28.1496 118 0.19 72
IV.SMA1.EHZ. 2020-10-06T18:13:03.33 0.6 undecidable manual S 210 29.0487 117 0.16 48
IV.EL6.EHZ. 2020-10-06T18:13:03.12 0.3 undecidable manual P 328 62.0934 101 -0.31 66
IV.TERO.HHZ. 2020-10-06T18:13:02.53 0.6 undecidable manual S 164 27.0507 120 -0.16 48
IV.GUMA.HHZ. 2020-10-06T18:13:02.78 0.6 undecidable manual S 328 27.0507 119 0.09 49
IV.MC2.EHZ. 2020-10-06T18:13:02.97 0.6 undecidable manual S 283 27.1506 119 0.25 47
IV.VCEL.EHZ. 2020-10-06T18:13:02.63 0.3 undecidable manual P 152 57.7977 102 -0.14 69
IV.MNTT.EHZ. 2020-10-06T18:13:02.43 0.6 undecidable manual S 16 23.6541 124 0.51 46
IV.GAVE.EHZ. 2020-10-06T18:13:02.13 0.1 undecidable manual P 250 53.7018 103 -0.03 95
IV.CESI.HHZ. 2020-10-06T18:13:01.83 0.3 undecidable manual P 289 52.2033 104 -0.1 70
IV.LNSS.HHZ. 2020-10-06T18:13:01.32 0.1 undecidable manual P 234 47.8188 105 0.04 95
IV.OFFI.HHZ. 2020-10-06T18:13:00.97 0.6 undecidable manual S 58 16.3725 136 0.54 46
IV.RM33.EHZ. 2020-10-06T18:13:00.98 0.1 undecidable manual P 212 45.7209 106 0.01 96
IV.GIGS.HHN. 2020-10-06T18:13:00.37 0.1 undecidable manual P 174 45.1215 106 -0.5 87
IV.MTRA.EHZ. 2020-10-06T18:12:59.78 0.3 undecidable manual S 221 14.6742 139 -0.35 71
IV.MMO1.EHZ. 2020-10-06T18:12:59.89 0.6 undecidable manual S 287 15.9729 137 -0.46 46
IV.CSP1.EHZ. 2020-10-06T18:12:59.29 0.1 undecidable manual P 316 36.1416 111 -0.28 92
IV.TRTR.HHE. 2020-10-06T18:12:59.79 0.3 undecidable manual P 99 32.9448 114 0.68 63
IV.CAMP.HHZ. 2020-10-06T18:12:59.39 0.3 undecidable manual P 194 36.6411 111 -0.25 70
IV.MF5.EHZ. 2020-10-06T18:12:59.89 0.6 undecidable manual S 343 15.1737 138 -0.31 47
IV.NRCA.HHZ. 2020-10-06T18:12:58.92 0.1 undecidable manual P 266 32.6451 114 -0.15 96
IV.TERO.HHZ. 2020-10-06T18:12:58.02 0.1 undecidable manual P 164 27.0507 120 -0.27 94
IV.GUMA.HHZ. 2020-10-06T18:12:58.09 0.1 undecidable manual P 328 27.0507 119 -0.2 95
IV.T1299.HNN. 2020-10-06T18:12:58.93 0.1 undecidable manual P 217 31.1466 115 0.07 97
IV.SMA1.EHZ. 2020-10-06T18:12:58.49 0.1 undecidable manual P 210 29.0487 117 -0.08 98
IV.MC2.EHZ. 2020-10-06T18:12:58.22 0.1 undecidable manual P 283 27.1506 119 -0.09 98
IV.SAP2.EHZ. 2020-10-06T18:12:58.32 0.3 undecidable manual P 341 28.1496 118 -0.13 72
IV.MNTT.EHZ. 2020-10-06T18:12:57.88 0.1 undecidable manual P 16 23.6541 124 0.03 100
IV.MF5.EHZ. 2020-10-06T18:12:56.55 0.1 undecidable manual P 343 15.1737 138 -0.31 95
IV.MTRA.EHZ. 2020-10-06T18:12:56.58 0.1 undecidable manual P 221 14.6742 139 -0.24 97
IV.MMO1.EHZ. 2020-10-06T18:12:56.61 0.1 undecidable manual P 287 15.9729 137 -0.33 95
IV.OFFI.HHZ. 2020-10-06T18:12:56.94 0.1 undecidable manual P 58 16.3725 136 -0.05 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNE. ML:2.6 0.0025700000000000002 1.5 AML other m 2020-10-06T18:13:00.86
IV.MTRA.EHE. ML:2.6 0.0025999999999999994 1.5 AML other m 2020-10-06T18:13:00.87
IV.MTRA.HNN. ML:2.2 0.0011400000000000002 0.36 AML other m 2020-10-06T18:13:00.18
IV.MTRA.EHN. ML:2.2 0.00113 0.14 AML other m 2020-10-06T18:13:00.18
IV.MF5.EHE. ML:2.1 0.000854 0.32 AML other m 2020-10-06T18:13:00.21
IV.MF5.EHN. ML:2.0 0.0005800000000000001 1.46 AML other m 2020-10-06T18:13:00.94
IV.OFFI.HHE. ML:1.7 0.0003085 0.7 AML other m 2020-10-06T18:13:01.58
IV.OFFI.HHN. ML:2.2 0.0010350000000000001 0.72 AML other m 2020-10-06T18:13:01.33
IV.TERO.HNE. ML:2.3 0.0008025 0.2 AML other m 2020-10-06T18:13:02.76
IV.TERO.HHN. ML:2.0 0.00042449999999999996 1.28 AML other m 2020-10-06T18:13:02.06
IV.MNTT.EHN. ML:2.3 0.000969 0.42 AML other m 2020-10-06T18:13:02.81
IV.GUMA.HHN. ML:2.3 0.0009500000000000001 1.78 AML other m 2020-10-06T18:13:03.93
IV.TERO.HHE. ML:2.1 0.0005655 1.42 AML other m 2020-10-06T18:13:03.75
IV.TERO.HNN. ML:2.0 0.0004125 1.14 AML other m 2020-10-06T18:13:03.22
IV.SMA1.EHE. ML:2.3 0.000857 0.44 AML other m 2020-10-06T18:13:03.65
IV.SMA1.EHN. ML:2.4 0.001125 0.22 AML other m 2020-10-06T18:13:03.56
IV.SAP2.EHE. ML:2.0 0.00039200000000000004 0.32 AML other m 2020-10-06T18:13:03.57
IV.SAP2.EHN. ML:2.7 0.0023650000000000003 1.44 AML other m 2020-10-06T18:13:03.78
IV.GUMA.HHE. ML:2.1 0.00061 0.26 AML other m 2020-10-06T18:13:04.25
IV.NRCA.HNE. ML:2.4 0.000948 0.46 AML other m 2020-10-06T18:13:04.55
IV.NRCA.HHE. ML:2.4 0.0009319999999999999 0.46 AML other m 2020-10-06T18:13:04.55
IV.MNTT.EHE. ML:2.4 0.00123 0.68 AML other m 2020-10-06T18:13:04.59
IV.NRCA.HNN. ML:2.5 0.001245 0.14 AML other m 2020-10-06T18:13:04.63
IV.NRCA.HHN. ML:2.6 0.0014 0.14 AML other m 2020-10-06T18:13:04.63
IV.RM33.HNN. ML:2.2 0.00040434645 0.2432 AML other m 2020-10-06T18:13:08.28
IV.RM33.EHN. ML:2.2 0.000383 0.24 AML other m 2020-10-06T18:13:08.16
IV.RM33.HNE. ML:2.2 0.00041113295 0.1664 AML other m 2020-10-06T18:13:08.52
IV.RM33.EHE. ML:2.2 0.00040849999999999995 0.62 AML other m 2020-10-06T18:13:08.44
IV.CESI.HHN. ML:1.9 0.0001895 0.3 AML other m 2020-10-06T18:13:09.68
IV.CESI.HHE. ML:1.9 0.0001715 1.26 AML other m 2020-10-06T18:13:10.05
IV.GAVE.EHN. ML:2.0 0.000209 0.68 AML other m 2020-10-06T18:13:10.45
IV.GAVE.EHE. ML:2.1 0.00027800000000000004 0.16 AML other m 2020-10-06T18:13:11.36
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