Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 04-11-2020 and time 02:00:39 (UTC) in region 4 km SW Arquata del Tronto (AP)

A magnitude ML 2.0 earthquake occured in region: 4 km SW Arquata del Tronto (AP), on

  • 04-11-2020 02:00:39 (UTC)
  • 04-11-2020 03:00:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7550, 13.2540 at 10 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
Arquata del Tronto AP 4 1178 1178
Accumoli RI 7 667 1845
Montegallo AP 12 523 2368
Acquasanta Terme AP 13 2916 5284
Norcia PG 14 4957 10241
Amatrice RI 14 2657 12898
Cittareale RI 17 482 13380
Montemonaco AP 17 604 13984
Castelsantangelo sul Nera MC 18 281 14265

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km W of Teramo (54892 inhabitants)
46 Km N of L'Aquila (69753 inhabitants)
50 Km E of Foligno (57155 inhabitants)
54 Km E of Terni (111501 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
81 Km E of Perugia (166134 inhabitants)
85 Km W of Pescara (121014 inhabitants)
87 Km NW of Chieti (51815 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km NE of Tivoli (56533 inhabitants)
98 Km S of Ancona (100861 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 2020-11-04
02:00:39		 42.7552 13.2542 10 2021-02-26
14:56:03		 Bollettino Sismico Italiano INGV 84527401
Reviewed
Rev100 		ML 2.0 2020-11-04
02:00:39		 42.7537 13.2497 8 2020-11-04
02:09:50		 Sala Sismica INGV-Roma 84435301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-04 02:00:39 ± 0.05
Latitude 42.7552 ± 0.0018
Longitude 13.2542 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84527401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 312
Semi-minor axis of confidence ellipse (meter) 169
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 78
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 39
Number of associated phases, regardless of their use for origin computation 85
Number of defining phases 85
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.10432
Epicentral distance of station farthest from the epicenter (degree) 1.08998
Number of stations at which the event was observed 46
Number of stations from which data was used for origin computation 46
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 51
Type of magnitude ML
Reference to an origin 84527401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-18 10:24:21

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 98
Type of magnitude ML
Reference to an origin 84435301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-04 02:09:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2020-11-04T02:01:11.36 0.3 undecidable manual S 330 109.4127 50 0.15 61
IV.FRON.EHZ. 2020-11-04T02:01:08.20 0.1 undecidable manual S 333 94.8384 50 0.9 66
IV.ARVD.HHZ. 2020-11-04T02:01:05.78 0.1 undecidable manual S 343 86.247 50 0.77 71
IV.SRES.HHZ. 2020-11-04T02:01:04.54 0.3 undecidable manual S 227 83.7495 50 0.19 64
IV.MURB.HHZ. 2020-11-04T02:01:04.46 0.1 undecidable manual S 314 81.6516 50 0.65 76
IV.SSFR.HHZ. 2020-11-04T02:01:04.94 0.1 undecidable manual S 333 84.6486 50 0.34 83
IV.T0110.HHZ. 2020-11-04T02:01:02.17 0.1 undecidable manual S 144 72.2721 50 0.88 70
IV.FOSV.EHZ. 2020-11-04T02:01:01.54 0.1 undecidable manual S 326 71.9724 50 0.33 85
IV.PE3.EHZ. 2020-11-04T02:00:59.54 0.1 undecidable manual P 330 120.99 50 0.05 82
IV.EL6.EHZ. 2020-11-04T02:00:59.76 0.1 undecidable manual S 349 64.8906 50 0.45 84
IV.CRTC.HHZ. 2020-11-04T02:00:58.95 0.3 undecidable manual P 345 116.2947 50 0.18 60
IV.SNTG.HHZ. 2020-11-04T02:00:58.50 0.1 undecidable manual S 335 60.9945 50 0.22 89
IV.FAGN.HHZ. 2020-11-04T02:00:58.64 0.1 undecidable manual S 153 60.5949 50 0.46 84
IV.CESX.HHZ. 2020-11-04T02:00:57.34 0.1 undecidable manual S 254 56.7987 50 0.18 90
IV.MOMA.HHZ. 2020-11-04T02:00:57.53 0.1 undecidable manual S 276 55.9995 50 0.6 81
IV.ASSB.HHZ. 2020-11-04T02:00:57.53 0.1 undecidable manual S 304 57.8976 50 0.06 92
IV.NARO.HHZ. 2020-11-04T02:00:57.62 0.1 undecidable manual P 330 109.4127 50 -0.09 83
IV.COR1.EHZ. 2020-11-04T02:00:56.92 0.1 undecidable manual P 348 99.4227 50 0.76 70
IV.MDAR.HNN. 2020-11-04T02:00:55.28 0.3 undecidable manual S 349 49.4172 50 0.11 70
IV.FRON.EHZ. 2020-11-04T02:00:55.27 0.1 undecidable manual P 333 94.8384 50 -0.18 84
IV.INTR.HHZ. 2020-11-04T02:00:55.62 0.1 undecidable manual P 147 98.2239 50 -0.36 80
IV.MML1.HNE. 2020-11-04T02:00:54.04 0.1 undecidable manual S 330 45.9207 50 -0.21 91
MN.AQU.HNN. 2020-11-04T02:00:54.23 0.3 undecidable manual S 164 46.2204 50 -0.09 70
IV.ARRO.EHZ. 2020-11-04T02:00:54.20 0.1 undecidable manual S 244 44.4222 50 0.36 89
IV.SRES.HHZ. 2020-11-04T02:00:54.13 0.1 positive manual P 227 83.7495 50 0.38 82
IV.SSFR.HHZ. 2020-11-04T02:00:53.68 0.1 undecidable manual P 333 84.6486 50 -0.21 85
IV.SAP2.EHZ. 2020-11-04T02:00:53.44 0.1 undecidable manual S 17 39.627 50 0.86 75
IV.ARVD.HHZ. 2020-11-04T02:00:53.91 0.1 undecidable manual P 343 86.247 50 -0.22 84
IV.MURB.HHZ. 2020-11-04T02:00:53.48 0.1 undecidable manual P 314 81.6516 50 0.05 88
IV.PF6.EHN. 2020-11-04T02:00:53.14 0.1 undecidable manual S 353 42.7239 50 -0.26 91
IV.CESI.HHZ. 2020-11-04T02:00:52.29 0.1 undecidable manual S 314 39.7269 50 -0.3 91
IV.T0110.HHZ. 2020-11-04T02:00:52.11 0.1 undecidable manual P 144 72.2721 50 0.12 88
IV.GIGS.HHN. 2020-11-04T02:00:52.72 0.1 undecidable manual S 142 42.4242 50 -0.6 83
IV.FOSV.EHZ. 2020-11-04T02:00:51.87 0.1 positive manual P 326 71.9724 50 -0.07 90
IV.CSP1.EHZ. 2020-11-04T02:00:51.61 0.1 undecidable manual S 354 37.5291 50 -0.41 89
IV.GUMA.HHZ. 2020-11-04T02:00:51.62 0.3 undecidable manual S 11 34.743 50 0.35 90
IV.MF5.EHZ. 2020-11-04T02:00:50.86 0.1 undecidable manual S 33 30.747 50 0.66 83
IV.EL6.EHZ. 2020-11-04T02:00:50.57 0.1 negative manual P 349 64.8906 50 -0.27 87
IV.TERO.HHZ. 2020-11-04T02:00:50.25 0.1 undecidable manual S 117 32.0457 50 -0.31 92
IT.MTCL.HGZ. 2020-11-04T02:00:50.37 0.1 undecidable manual S 322 33.6441 50 -0.6 84
IV.FDMO.HHZ. 2020-11-04T02:00:50.60 0.1 undecidable manual S 337 34.0437 50 -0.48 88
IV.ASSB.HHZ. 2020-11-04T02:00:49.48 0.1 undecidable manual P 304 57.8976 50 -0.29 88
IV.CESX.HHZ. 2020-11-04T02:00:49.80 0.1 positive manual P 254 56.7987 50 0.2 90
IV.RM33.EHZ. 2020-11-04T02:00:49.35 0.1 undecidable manual S 187 27.5502 50 0.01 98
IV.SNTG.HHZ. 2020-11-04T02:00:49.89 0.1 negative manual P 335 60.9945 50 -0.35 86
IV.GAVE.EHZ. 2020-11-04T02:00:49.89 0.1 undecidable manual S 257 30.1476 50 -0.16 95
IV.MOMA.HHZ. 2020-11-04T02:00:49.44 0.1 undecidable manual P 276 55.9995 50 -0.03 93
IV.FAGN.HHZ. 2020-11-04T02:00:49.96 0.1 undecidable manual P 153 60.5949 50 -0.23 89
IV.FEMA.HNZ. 2020-11-04T02:00:49.17 0.1 undecidable manual S 324 28.3494 50 -0.39 91
IV.MNTP.HNZ. 2020-11-04T02:00:48.15 0.1 undecidable manual P 22 45.8208 50 0.24 91
IV.LNSS.HHZ. 2020-11-04T02:00:48.39 0.1 undecidable manual S 226 24.2535 112 0.03 98
IV.MNTT.EHZ. 2020-11-04T02:00:48.02 0.1 undecidable manual P 39 43.9227 50 0.41 88
IV.CAMP.HHZ. 2020-11-04T02:00:48.91 0.1 undecidable manual S 153 27.4503 50 -0.41 90
IV.ARRO.EHZ. 2020-11-04T02:00:47.59 0.1 undecidable manual P 244 44.4222 50 -0.09 94
IV.MML1.HNE. 2020-11-04T02:00:47.65 0.1 undecidable manual P 330 45.9207 50 -0.27 90
IV.MDAR.HNN. 2020-11-04T02:00:47.97 0.3 undecidable manual P 349 49.4172 50 -0.48 64
MN.AQU.HNN. 2020-11-04T02:00:47.57 0.3 undecidable manual P 164 46.2204 50 -0.39 66
IV.OFFI.HHE. 2020-11-04T02:00:47.56 0.1 undecidable manual P 60 40.3263 50 0.5 87
IV.GIGS.HHN. 2020-11-04T02:00:46.85 0.1 undecidable manual P 142 42.4242 50 -0.53 85
IV.CSP1.EHZ. 2020-11-04T02:00:46.26 0.1 positive manual P 354 37.5291 50 -0.37 90
IV.GUMA.HHZ. 2020-11-04T02:00:46.16 0.1 positive manual P 11 34.743 50 -0.04 96
IV.PF6.EHN. 2020-11-04T02:00:46.95 0.1 positive manual P 353 42.7239 50 -0.48 87
IV.MC2.EHZ. 2020-11-04T02:00:46.43 0.1 undecidable manual S 343 18.1707 119 0 100
IV.CESI.HHZ. 2020-11-04T02:00:46.68 0.1 negative manual P 314 39.7269 50 -0.28 91
IV.SAP2.EHZ. 2020-11-04T02:00:46.99 0.1 undecidable manual P 17 39.627 50 0.03 96
IV.SMA1.EHZ. 2020-11-04T02:00:45.80 0.1 undecidable manual S 154 15.3735 123 0.2 96
IV.GAVE.EHZ. 2020-11-04T02:00:45.32 0.1 positive manual P 257 30.1476 50 -0.17 95
IV.T1299.EHZ. 2020-11-04T02:00:45.63 0.1 undecidable manual S 170 13.5753 126 0.53 90
IV.TERO.HHZ. 2020-11-04T02:00:45.48 0.6 undecidable manual P 117 32.0457 50 -0.31 92
IV.MMO1.EHZ. 2020-11-04T02:00:45.83 0.1 undecidable manual S 20 17.0718 120 -0.27 95
IV.FDMO.HHZ. 2020-11-04T02:00:45.66 0.1 undecidable manual P 337 34.0437 50 -0.43 89
IT.MTCL.HGZ. 2020-11-04T02:00:45.61 0.1 undecidable manual P 322 33.6441 50 -0.41 89
IV.MF5.EHZ. 2020-11-04T02:00:45.56 0.1 positive manual P 33 30.747 50 -0.02 97
IV.NRCA.HNZ. 2020-11-04T02:00:45.21 0.1 undecidable manual S 307 14.2746 125 -0.09 99
IV.CAMP.HHZ. 2020-11-04T02:00:44.79 0.1 positive manual P 153 27.4503 50 -0.28 93
IV.FEMA.HNZ. 2020-11-04T02:00:44.91 0.1 undecidable manual P 324 28.3494 50 -0.3 92
IV.LNSS.HHZ. 2020-11-04T02:00:44.48 0.1 positive manual P 226 24.2535 112 -0.04 98
IV.RM33.EHZ. 2020-11-04T02:00:44.93 0.1 positive manual P 187 27.5502 50 -0.15 95
IV.MTRA.EHZ. 2020-11-04T02:00:44.48 0.1 undecidable manual S 89 11.5773 130 -0.07 100
IV.MC2.EHZ. 2020-11-04T02:00:43.48 0.1 undecidable manual P 343 18.1707 119 0.08 98
IV.SMA1.EHZ. 2020-11-04T02:00:43.10 0.1 positive manual P 154 15.3735 123 0.18 97
IV.T1299.EHZ. 2020-11-04T02:00:43.04 0.1 positive manual P 170 13.5753 126 0.4 93
IV.MMO1.EHZ. 2020-11-04T02:00:43.14 0.1 positive manual P 20 17.0718 120 -0.07 99
IV.MTRA.EHZ. 2020-11-04T02:00:42.45 0.1 positive manual P 89 11.5773 130 0.13 99
IV.NRCA.HNZ. 2020-11-04T02:00:42.82 0.1 negative manual P 307 14.2746 125 0.07 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNE. ML:2.0 0.0012383025 0.1712 AML other m 2020-11-04T02:00:44.93
IV.MTRA.EHE. ML:2.0 0.0012421855 0.1808 AML other m 2020-11-04T02:00:44.93
IV.MTRA.EHN. ML:2.0 0.001150965 0.7792 AML other m 2020-11-04T02:00:44.92
IV.MTRA.HNN. ML:2.0 0.0011371075 0.2 AML other m 2020-11-04T02:00:44.82
IV.SMA1.EHE. ML:2.3 0.0017510140000000002 0.24 AML other m 2020-11-04T02:00:45.99
IV.SMA1.EHN. ML:1.8 0.00069524445 0.6592 AML other m 2020-11-04T02:00:46.16
IV.CAMP.HHE. ML:2.4 0.0012342409999999999 0.24 AML other m 2020-11-04T02:00:49.23
IV.LNSS.HHN. ML:2.2 0.0008775547 0.1408 AML other m 2020-11-04T02:00:49.17
IV.LNSS.HNN. ML:2.1 0.0008027191000000001 0.1488 AML other m 2020-11-04T02:00:49.17
IV.LNSS.HNE. ML:2.2 0.0009134812999999999 0.36 AML other m 2020-11-04T02:00:49.13
IV.LNSS.HHE. ML:2.0 0.000680575 0.12 AML other m 2020-11-04T02:00:48.92
IV.RM33.EHE. ML:1.9 0.00041535940000000005 0.2992 AML other m 2020-11-04T02:00:49.77
IV.CAMP.HHN. ML:1.9 0.00039340845000000003 0.5408 AML other m 2020-11-04T02:00:49.15
IV.RM33.HNN. ML:1.7 0.0002482692 0.1712 AML other m 2020-11-04T02:00:49.70
IV.GAVE.EHN. ML:2.2 0.0008899437 0.32 AML other m 2020-11-04T02:00:50.49
IV.TERO.HHE. ML:2.0 0.0004354851 0.08 AML other m 2020-11-04T02:00:50.50
IV.TERO.HNE. ML:2.0 0.0005000006999999999 0.0896 AML other m 2020-11-04T02:00:50.50
IV.GAVE.HNE. ML:2.3 0.0009226789 0.1296 AML other m 2020-11-04T02:00:50.50
IV.RM33.EHN. ML:1.6 0.0002212033 0.16 AML other m 2020-11-04T02:00:49.70
IV.FDMO.HHN. ML:2.1 0.0005642924499999999 0.2608 AML other m 2020-11-04T02:00:50.85
IV.FDMO.HHE. ML:2.0 0.00047125704999999995 0.2 AML other m 2020-11-04T02:00:50.87
IV.GAVE.HNN. ML:1.8 0.00027163965 0.2288 AML other m 2020-11-04T02:00:50.97
IV.GUMA.HNE. ML:2.6 0.0016623424999999998 0.2704 AML other m 2020-11-04T02:00:51.81
IV.GUMA.HHE. ML:2.9 0.0031055415 0.2384 AML other m 2020-11-04T02:00:51.82
IV.GUMA.HNN. ML:2.7 0.002225032 0.1792 AML other m 2020-11-04T02:00:51.83
IV.CSP1.EHN. ML:2.4 0.0010518849000000002 0.16 AML other m 2020-11-04T02:00:51.90
IV.GUMA.HHN. ML:2.6 0.0015333435 0.4 AML other m 2020-11-04T02:00:52.05
IV.GAVE.EHE. ML:2.2 0.0008768634 0.1392 AML other m 2020-11-04T02:00:50.51
IV.CESI.HNE. ML:2.2 0.0005422844499999999 0.16 AML other m 2020-11-04T02:00:52.54
IV.CESI.HHE. ML:2.2 0.00052273335 0.1392 AML other m 2020-11-04T02:00:52.53
IV.CESI.HHN. ML:2.3 0.0007096423 0.28 AML other m 2020-11-04T02:00:52.84
IV.CSP1.EHE. ML:2.2 0.0005661667 0.2192 AML other m 2020-11-04T02:00:52.17
IV.SAP2.EHN. ML:2.5 0.0011006887 0.24 AML other m 2020-11-04T02:00:53.77
IV.ARRO.EHE. ML:1.6 0.00013416425 0.24 AML other m 2020-11-04T02:00:54.72
IV.ARRO.EHN. ML:1.7 0.00014143411 0.12 AML other m 2020-11-04T02:00:54.74
IV.MF5.EHN. ML:1.7 0.00024006065 1.2 AML other m 2020-11-04T02:00:51.47
IV.MNTT.EHN. ML:2.4 0.0007063541499999999 0.24 AML other m 2020-11-04T02:00:56.44
IV.MF5.EHE. ML:1.7 0.00023461304 0.1984 AML other m 2020-11-04T02:00:51.43
IV.MNTT.EHE. ML:2.4 0.0007764827000000001 0.44 AML other m 2020-11-04T02:00:56.63
IV.MOMA.HHE. ML:1.9 0.00017100625 0.6992 AML other m 2020-11-04T02:00:58.20
IV.MOMA.HNE. ML:1.8 0.00015498872 0.2 AML other m 2020-11-04T02:00:58.21
IV.SNTG.HHN. ML:1.5 0.000063063815 0.1392 AML other m 2020-11-04T02:00:59.62
IV.SNTG.HHE. ML:1.5 0.00006006769 0.24 AML other m 2020-11-04T02:00:59.03
IV.FOSV.EHE. ML:1.6 0.000064211745 0.64 AML other m 2020-11-04T02:01:01.96
IV.T0110.HHE. ML:2.0 0.0001515263 0.3984 AML other m 2020-11-04T02:01:03.22
IV.FOSV.EHN. ML:1.6 0.00007160289999999999 0.68 AML other m 2020-11-04T02:01:01.98
IV.ARVD.HHE. ML:1.4 0.000035854154999999997 0.1792 AML other m 2020-11-04T02:01:07.31
IV.ARVD.HHN. ML:1.5 0.00003780857 0.1392 AML other m 2020-11-04T02:01:07.41
IV.T0110.HHN. ML:1.9 0.000120784845 0.3008 AML other m 2020-11-04T02:01:03.32
IV.FRON.EHE. ML:1.4 0.000027582835 1.2608 AML other m 2020-11-04T02:01:09.02
IV.FRON.EHN. ML:1.6 0.000041048010000000005 0.3408 AML other m 2020-11-04T02:01:08.92
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