Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 28-08-2020 and time 11:02:55 (UTC) in region 3 km N Castorano (AP)

A magnitude ML 2.0 earthquake occured in region: 3 km N Castorano (AP), on

  • 28-08-2020 11:02:55 (UTC)
  • 28-08-2020 13:02:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9270, 13.7360 at 29 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
Castorano AP 3 2380 2380
Offida AP 4 5058 7438
Spinetoli AP 5 7215 14653
Colli del Tronto AP 5 3668 18321
Monsampolo del Tronto AP 6 4611 22932
Appignano del Tronto AP 6 1785 24717
Castel di Lama AP 7 8634 33351
Acquaviva Picena AP 7 3831 37182
Cossignano AP 8 978 38160
Monteprandone AP 8 12655 50815
Ripatransone AP 9 4309 55124
Castignano AP 9 2796 57920
Ancarano TE 10 1857 59777
Controguerra TE 11 2436 62213
Maltignano AP 11 2401 64614
Sant'Egidio alla Vibrata TE 11 9811 74425
Torano Nuovo TE 12 1611 76036
San Benedetto del Tronto AP 12 47303 123339
Colonnella TE 12 3734 127073
Montalto delle Marche AP 12 2122 129195
Carassai AP 13 1100 130295
Grottammare AP 13 16006 146301
Montedinove AP 13 488 146789
Nereto TE 14 5242 152031
Corropoli TE 14 5045 157076
Montefiore dell'Aso AP 14 2123 159199
Folignano AP 14 9241 168440
Rotella AP 15 906 169346
Massignano AP 15 1638 170984
Cupra Marittima AP 15 5398 176382
Ascoli Piceno AP 15 49407 225789
Martinsicuro TE 15 16033 241822
Ortezzano FM 16 774 242596
Monte Vidon Combatte FM 16 433 243029
Sant'Omero TE 16 5243 248272
Monte Rinaldo FM 17 379 248651
Petritoli FM 17 2335 250986
Monterubbiano FM 18 2230 253216
Moresco FM 18 598 253814
Civitella del Tronto TE 18 5116 258930
Alba Adriatica TE 18 12353 271283
Campofilone FM 18 1916 273199
Montelparo FM 19 778 273977
Montottone FM 19 979 274956
Tortoreto TE 20 11542 286498

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km N of Teramo (54892 inhabitants)
57 Km NW of Montesilvano (53738 inhabitants)
65 Km NW of Pescara (121014 inhabitants)
70 Km NE of L'Aquila (69753 inhabitants)
73 Km NW of Chieti (51815 inhabitants)
79 Km S of Ancona (100861 inhabitants)
84 Km E of Foligno (57155 inhabitants)
98 Km E of Terni (111501 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 2.0 2020-08-28
11:02:55		 42.9267 13.7355 29 2020-11-19
12:37:04		 Bollettino Sismico Italiano INGV 83822131
Reviewed
Rev100 		ML 2.1 2020-08-28
11:02:55		 42.9347 13.7618 31 2020-08-28
11:09:51		 Sala Sismica INGV-Roma 82406171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-28 11:02:55 ± 0.15
Latitude 42.9267 ± 0.0045
Longitude 13.7355 ± 0.0074
Depth (km) 29 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83822131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 481
Semi-minor axis of confidence ellipse (meter) 443
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 236
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 128
Number of associated phases, regardless of their use for origin computation 68
Number of defining phases 48
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 7.04439
Number of stations at which the event was observed 48
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 46
Type of magnitude ML
Reference to an origin 83822131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-16 14:24:57

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 82406171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-28 11:09:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SPS2.HHZ. 2020-08-28T11:05:06.04 3.0 undecidable manual Sg 15.53 0
HL.VLS.HHZ. 2020-08-28T11:04:59.46 3.0 undecidable manual P 781.9284 2.131 0
IV.EUCT.HNZ. 2020-08-28T11:04:50.13 3.0 undecidable manual S 445.221 9.66 0
IV.SCHR.EHZ. 2020-08-28T11:04:29.61 3.0 undecidable manual Sn 0.65 0
IV.PTCC.HHZ. 2020-08-28T11:04:28.21 3.0 undecidable manual Sn -5.75 0
IX.STN3.HHZ.02 2020-08-28T11:04:21.21 3.0 undecidable manual Sg 3.33 0
SL.LJU.BHZ. 2020-08-28T11:04:21.22 3.0 undecidable manual Sn -5.46 0
IV.NDIM.HHZ. 2020-08-28T11:04:16.28 3.0 undecidable manual Sn -0.04 0
IV.EUCT.HNZ. 2020-08-28T11:04:06.65 3.0 positive manual P 445.221 1.04 0
IV.SGTA.HHZ. 2020-08-28T11:04:06.28 3.0 undecidable manual Sg 3.61 0
IV.FNVD.HHZ. 2020-08-28T11:04:02.31 3.0 undecidable manual Sn 0.2 0
IV.VBKN.HHZ. 2020-08-28T11:04:01.88 3.0 undecidable manual Sg 0.18 0
IV.BRSN.EHZ. 2020-08-28T11:03:57.13 3.0 undecidable manual Sg 5.64 0
IV.CRAC.EHZ. 2020-08-28T11:03:51.27 3.0 positive manual P 360.2727 5.58 0
IV.CMPR.HHZ. 2020-08-28T11:03:49.64 3.0 undecidable manual P 317.238 9.31 0
GU.GRAM.HHZ. 2020-08-28T11:03:44.57 3.0 undecidable manual P 341.6025 1.21 0
IV.RMP.HHZ. 2020-08-28T11:03:39.00 3.0 undecidable manual S -0.99 0
IV.PZUN.HHZ. 2020-08-28T11:03:37.55 3.0 negative manual P 305.5608 -1.33 0
IV.RIBO.EHZ.01 2020-08-28T11:03:33.90 3.0 positive manual P 218.4147 5.87 0
IV.MRB1.HHZ. 2020-08-28T11:03:33.54 3.0 negative manual P 224.4087 4.76 0
IV.EL6.EHZ. 2020-08-28T11:03:17.46 0.6 undecidable manual S 311 67.9764 108 0.26 43
IV.PIEI.HHZ. 2020-08-28T11:03:16.04 1.0 undecidable manual P 305 118.1928 54 0.47 18
IV.RM33.HNE. 2020-08-28T11:03:16.31 0.6 undecidable manual S 223 62.8926 109 0.41 42
IV.ATFO.HHZ. 2020-08-28T11:03:14.39 1.0 undecidable manual P 298 106.116 101 0.51 19
IV.MURB.HHZ. 2020-08-28T11:03:14.34 1.0 undecidable manual P 291 104.9172 101 0.64 18
IV.FDMO.HHZ. 2020-08-28T11:03:13.78 0.1 undecidable manual S 283 54.0015 113 0.1 91
IV.NRCA.HHZ. 2020-08-28T11:03:13.26 0.1 undecidable manual S 259 51.5151 114 0.18 90
IV.CAMP.HHE. 2020-08-28T11:03:13.05 0.6 undecidable manual S 212 50.9157 114 0.13 45
IV.ATCC.EHZ. 2020-08-28T11:03:12.00 1.0 undecidable manual P 288 93.3399 102 0.05 21
IV.SMA1.EHZ. 2020-08-28T11:03:11.71 0.1 undecidable manual S 225 46.3203 116 -0.1 91
IV.ARVD.HHZ. 2020-08-28T11:03:11.71 1.0 undecidable manual P 315 90.243 103 0.23 21
IV.MC2.EHZ. 2020-08-28T11:03:11.67 0.1 undecidable manual S 268 44.4222 118 0.3 89
IV.CSP1.EHZ. 2020-08-28T11:03:11.90 0.1 undecidable manual S 293 46.8198 116 -0.03 93
IV.TERO.HHZ. 2020-08-28T11:03:09.34 0.1 undecidable manual S 198 35.3424 124 0.05 95
IV.MNTP.HNZ. 2020-08-28T11:03:09.04 0.6 undecidable manual S 317 31.8459 127 0.52 43
IV.AOI.HHE. 2020-08-28T11:03:09.16 1.0 undecidable manual P 351 69.9744 107 0.69 19
IV.GUMA.HHZ. 2020-08-28T11:03:09.56 0.1 undecidable manual S 295 35.8419 124 0.17 92
IV.MMO1.EHZ. 2020-08-28T11:03:08.94 0.1 undecidable manual S 265 33.3444 126 0.1 94
IV.EL6.EHZ. 2020-08-28T11:03:08.04 0.6 undecidable manual P 311 67.9764 108 -0.14 44
IV.RM33.HNE. 2020-08-28T11:03:08.33 1.0 undecidable manual P 223 62.8926 109 0.91 17
IV.MTRA.EHZ. 2020-08-28T11:03:08.51 0.1 undecidable manual S 236 33.4443 126 -0.35 89
IV.SNTG.HHZ. 2020-08-28T11:03:08.93 0.6 undecidable manual P 300 73.9704 106 -0.13 43
IV.CADA.HNZ. 2020-08-28T11:03:08.48 0.6 undecidable manual S 4 29.748 129 0.39 44
IV.SAP2.EHZ. 2020-08-28T11:03:08.93 0.1 undecidable manual S 305 33.1446 126 0.12 93
IV.VCEL.EHN. 2020-08-28T11:03:07.88 0.6 undecidable manual P 172 59.6958 110 0.92 35
IV.MNTT.EHZ. 2020-08-28T11:03:06.11 0.1 undecidable manual S 323 18.7701 144 0.04 97
IV.T1299.HNN. 2020-08-28T11:03:06.16 0.1 undecidable manual P 229 49.1175 115 0.7 78
IV.MF5.EHZ. 2020-08-28T11:03:06.64 0.1 undecidable manual S 287 23.3544 137 -0.21 93
IV.TRTR.HHZ. 2020-08-28T11:03:06.54 0.1 undecidable manual S 132 19.5693 142 0.35 91
IV.GIGS.HHN. 2020-08-28T11:03:06.24 1.0 undecidable manual P 194 54.2013 112 0.07 23
IV.CAMP.HHE. 2020-08-28T11:03:05.43 0.3 undecidable manual P 212 50.9157 114 -0.28 66
IV.FDMO.HHZ. 2020-08-28T11:03:05.86 0.1 negative manual P 283 54.0015 113 -0.29 87
IV.NRCA.HHZ. 2020-08-28T11:03:05.70 0.3 undecidable manual P 259 51.5151 114 -0.1 68
IV.OFFI.HHZ. 2020-08-28T11:03:04.56 0.1 undecidable manual S 283 4.1958 171 0.03 100
IV.SMA1.EHZ. 2020-08-28T11:03:04.81 0.3 undecidable manual P 225 46.3203 116 -0.25 67
IV.CSP1.EHZ. 2020-08-28T11:03:04.90 0.1 negative manual P 293 46.8198 116 -0.23 89
IV.MC2.EHZ. 2020-08-28T11:03:04.68 0.1 negative manual P 268 44.4222 118 -0.13 91
IV.SAP2.EHZ. 2020-08-28T11:03:03.31 0.3 undecidable manual P 305 33.1446 126 -0.02 72
IV.GUMA.HHZ. 2020-08-28T11:03:03.56 0.1 negative manual P 295 35.8419 124 -0.11 94
IV.TERO.HHZ. 2020-08-28T11:03:03.53 0.3 undecidable manual P 198 35.3424 124 -0.08 70
IV.MTRA.EHZ. 2020-08-28T11:03:03.02 0.1 negative manual P 236 33.4443 126 -0.34 89
IV.MF5.EHZ. 2020-08-28T11:03:02.02 0.1 negative manual P 287 23.3544 137 -0.18 94
IV.MNTP.HNZ. 2020-08-28T11:03:02.59 1.0 undecidable manual P 317 31.8459 127 -0.57 21
IV.CADA.HNZ. 2020-08-28T11:03:02.83 1.0 undecidable manual P 4 29.748 129 -0.09 24
IV.MMO1.EHZ. 2020-08-28T11:03:02.78 0.6 undecidable manual P 265 33.3444 126 -0.57 42
IV.TRTR.HHZ. 2020-08-28T11:03:01.94 1.0 undecidable manual P 132 19.5693 142 0.12 24
IV.MNTT.EHZ. 2020-08-28T11:03:01.57 0.1 positive manual P 323 18.7701 144 -0.18 95
IV.OFFI.HHZ. 2020-08-28T11:03:00.05 0.1 positive manual P 283 4.1958 171 -0.81 81
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OFFI.HHN. ML:0.0 0.002355 0.46 AML other m 2020-08-28T11:03:04.81
IV.OFFI.HHE. ML:0.0 0.0032949999999999998 1.5 AML other m 2020-08-28T11:03:04.84
IV.MF5.EHN. ML:2.4 0.0010655 0.22 AML other m 2020-08-28T11:03:06.88
IV.MNTT.EHN. ML:2.7 0.0024100000000000002 0.24 AML other m 2020-08-28T11:03:06.99
IV.MF5.EHE. ML:2.4 0.0009645 0.7 AML other m 2020-08-28T11:03:07.05
IV.MNTT.EHE. ML:2.7 0.0022949999999999997 0.58 AML other m 2020-08-28T11:03:07.52
IV.TRTR.HHE. ML:2.2 0.0007235000000000001 0.28 AML other m 2020-08-28T11:03:07.68
IV.MTRA.HNE. ML:2.0 0.00033723945 0.16 AML other m 2020-08-28T11:03:08.86
IV.MTRA.EHE. ML:2.0 0.00034199999999999996 0.16 AML other m 2020-08-28T11:03:08.86
IV.MTRA.HNN. ML:2.0 0.00032138869999999995 0.2624 AML other m 2020-08-28T11:03:09.01
IV.MTRA.EHN. ML:2.0 0.00033400000000000004 1.3 AML other m 2020-08-28T11:03:09.66
IV.SAP2.EHE. ML:2.3 0.000629 0.18 AML other m 2020-08-28T11:03:09.43
IV.TERO.HHE. ML:1.9 0.0002535 0.14 AML other m 2020-08-28T11:03:09.60
IV.TERO.HNE. ML:2.0 0.00029556309999999997 0.1216 AML other m 2020-08-28T11:03:09.54
IV.TERO.HHN. ML:1.8 0.000178 0.7 AML other m 2020-08-28T11:03:09.23
IV.GUMA.HHE. ML:2.4 0.0007090000000000001 0.28 AML other m 2020-08-28T11:03:09.64
IV.TRTR.HHN. ML:2.1 0.0005735 0.34 AML other m 2020-08-28T11:03:09.75
IV.GUMA.HNN. ML:2.2 0.000521491075 0.2816 AML other m 2020-08-28T11:03:10.11
IV.SAP2.EHN. ML:2.7 0.001465 0.82 AML other m 2020-08-28T11:03:10.31
IV.GUMA.HNE. ML:2.2 0.00053716085 0.2624 AML other m 2020-08-28T11:03:11.16
IV.SMA1.EHE. ML:2.0 0.0002155 0.2 AML other m 2020-08-28T11:03:11.99
IV.SMA1.EHN. ML:1.8 0.00016399999999999997 0.24 AML other m 2020-08-28T11:03:12.43
IV.TERO.HNN. ML:1.8 0.00021086705 0.288 AML other m 2020-08-28T11:03:12.36
IV.GUMA.HHN. ML:2.3 0.000558 1.36 AML other m 2020-08-28T11:03:12.71
IV.NRCA.HHE. ML:0.0 0.0002965 0.08 AML other m 2020-08-28T11:03:14.72
IV.FDMO.HHE. ML:0.0 0.000268 0.16 AML other m 2020-08-28T11:03:15.06
IV.FDMO.HHN. ML:0.0 0.000132 0.1 AML other m 2020-08-28T11:03:15.14
IV.NRCA.HHN. ML:0.0 0.000413 0.14 AML other m 2020-08-28T11:03:15.67
IV.EL6.EHE. ML:2.5 0.00046649999999999996 1.42 AML other m 2020-08-28T11:03:18.71
IV.EL6.EHN. ML:2.3 0.00033899999999999995 0.42 AML other m 2020-08-28T11:03:19.20
IV.SNTG.HHN. ML:1.6 0.00006214999999999999 0.68 AML other m 2020-08-28T11:03:19.31
IV.SNTG.HHE. ML:1.6 0.00005075 0.52 AML other m 2020-08-28T11:03:19.63
IV.ARVD.HHE. ML:1.6 0.00004149999999999999 1.1 AML other m 2020-08-28T11:03:27.66
IV.ATCC.EHE. ML:1.7 0.000054550000000000005 0.88 AML other m 2020-08-28T11:03:28.06
IV.ARVD.HHN. ML:1.5 0.000036049999999999995 0.4 AML other m 2020-08-28T11:03:28.12
IV.ATFO.HHN. ML:1.8 0.000054 1.58 AML other m 2020-08-28T11:03:32.85
IV.ATCC.EHN. ML:1.8 0.00005885 0.6 AML other m 2020-08-28T11:03:33.31
IV.MURB.HHE. ML:0.0 0.0002065 0.22 AML other m 2020-08-28T11:03:33.65
IV.MURB.HHN. ML:0.0 0.0001265 0.72 AML other m 2020-08-28T11:03:33.71
IV.PIEI.HHE. ML:1.6 0.00003125 0.32 AML other m 2020-08-28T11:03:34.75
IV.ATFO.HHE. ML:1.8 0.00005215 0.56 AML other m 2020-08-28T11:03:37.83
IV.PIEI.HHN. ML:1.4 0.000022449999999999997 0.44 AML other m 2020-08-28T11:03:37.70
IV.CSP1.EHN. ML:1.5 0.00007786324499999999 0.0768 AML other m 2020-08-28T11:03:12.03
IV.CSP1.EHE. ML:1.8 0.00014362615000000002 0.2176 AML other m 2020-08-28T11:03:12.07
IV.NRCA.HNE. ML:1.9 0.0001751687 0.096 AML other m 2020-08-28T11:03:13.60
IV.NRCA.HNN. ML:1.9 0.00015325677500000002 0.2496 AML other m 2020-08-28T11:03:13.68
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