Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 11-04-2021 and time 06:03:52 (UTC) in region 6 km E Scoppito (AQ)

A magnitude ML 2.1 earthquake occured in region: 6 km E Scoppito (AQ), on

  • 11-04-2021 06:03:52 (UTC)
  • 11-04-2021 08:03:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3860, 13.3240 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
Scoppito AQ 6 3727 3727
Pizzoli AQ 6 4326 8053
L'Aquila AQ 7 69753 77806
Barete AQ 8 737 78543
Lucoli AQ 11 1011 79554
Tornimparte AQ 11 3187 82741
Cagnano Amiterno AQ 12 1369 84110
Capitignano AQ 15 665 84775
Ocre AQ 17 1167 85942
Montereale AQ 17 2581 88523
Fossa AQ 17 721 89244
Poggio Picenze AQ 19 1136 90380
Campotosto AQ 20 542 90922
Sant'Eusanio Forconese AQ 20 394 91316

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km NW of L'Aquila (69753 inhabitants)
44 Km SW of Teramo (54892 inhabitants)
59 Km E of Terni (111501 inhabitants)
64 Km NE of Tivoli (56533 inhabitants)
65 Km NE of Guidonia Montecelio (88673 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
70 Km W of Chieti (51815 inhabitants)
74 Km W of Pescara (121014 inhabitants)
81 Km SE of Foligno (57155 inhabitants)
88 Km NE of Roma (2864731 inhabitants)
90 Km NE of Velletri (53303 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 2021-04-11
06:03:52		 42.3857 13.324 11 2021-07-12
16:55:06		 Bollettino Sismico Italiano INGV 89099461
Reviewed
Rev100 		ML 2.2 2021-04-11
06:03:52		 42.3848 13.3243 11 2021-04-11
06:10:57		 Sala Sismica INGV-Roma 88995091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-11 06:03:52 ± 0.05
Latitude 42.3857 ± 0.0027
Longitude 13.3240 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89099461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 347
Semi-minor axis of confidence ellipse (meter) 191
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 81
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 44
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.95688
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 66
Type of magnitude ML
Reference to an origin 89099461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-14 17:01:54

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 56
Type of magnitude ML
Reference to an origin 88995091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-11 06:10:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2021-04-11T06:04:11.43 0.3 undecidable manual P 350 106.2159 50 0.61 56
IV.MMO1.EHZ. 2021-04-11T06:04:11.12 0.6 undecidable manual S 0 56.9985 50 0.36 44
MN.GIUL.HHZ. 2021-04-11T06:04:09.89 3.0 undecidable manual P 0
IV.ASSB.HHZ. 2021-04-11T06:04:08.81 0.6 undecidable manual P 324 90.8424 50 0.36 41
IV.LPEL.HHZ. 2021-04-11T06:04:06.97 0.3 undecidable manual P 118 79.9644 50 0.19 65
IV.CESI.HHZ. 2021-04-11T06:04:06.41 0.6 undecidable manual P 334 76.7676 50 0.13 44
IV.PTQR.HHZ. 2021-04-11T06:04:06.21 0.3 undecidable manual S 171 40.8258 50 -0.24 69
IV.MTRA.EHZ. 2021-04-11T06:04:06.44 0.3 undecidable manual S 8 41.625 50 -0.21 70
IV.CSP1.EHZ. 2021-04-11T06:04:06.53 0.1 undecidable manual P 353 78.9654 50 -0.09 89
IV.TRTR.HHZ. 2021-04-11T06:04:05.89 0.3 undecidable manual P 46 67.1772 50 1.08 49
IV.MF5.EHZ. 2021-04-11T06:04:05.20 0.3 undecidable manual P 9 67.6767 50 0.31 65
IV.MTCE.HHZ. 2021-04-11T06:04:04.11 0.6 undecidable manual P 230 62.493 50 0.03 47
IV.LNSS.HHZ. 2021-04-11T06:04:04.53 0.6 undecidable manual S 316 33.4443 50 0.05 49
IV.INTR.HHZ. 2021-04-11T06:04:04.33 0.3 undecidable manual P 131 63.2922 50 0.13 68
IV.TERO.HHZ. 2021-04-11T06:04:04.43 0.3 undecidable manual S 41 34.8429 50 -0.43 67
IV.OFFI.HHZ. 2021-04-11T06:04:04.95 0.6 undecidable manual P 26 67.6767 50 0.06 46
IV.CESX.HHZ. 2021-04-11T06:04:04.53 0.3 undecidable manual P 293 65.1903 50 0.04 69
IV.MMO1.EHZ. 2021-04-11T06:04:03.02 0.1 undecidable manual P 0 56.9985 50 -0.21 90
IV.MC2.EHZ. 2021-04-11T06:04:03.65 0.1 negative manual P 349 59.3961 50 0.05 93
IV.SMA1.EHZ. 2021-04-11T06:04:03.06 0.3 undecidable manual S 2 27.1506 50 0.26 71
IV.CERT.HHZ. 2021-04-11T06:04:02.90 0.1 undecidable manual P 210 55.9995 50 -0.19 91
IV.FAGN.HHZ. 2021-04-11T06:04:02.25 0.6 undecidable manual S 122 25.1526 50 0 50
IV.NRCA.HHZ. 2021-04-11T06:04:02.27 0.1 undecidable manual P 341 52.503 50 -0.28 90
IV.ARRO.EHZ. 2021-04-11T06:04:02.33 0.3 undecidable manual P 295 50.5161 50 0.1 70
IV.T1299.HNZ. 2021-04-11T06:04:02.86 0.3 undecidable manual S 353 27.75 50 -0.1 73
IV.FIAM.HHZ. 2021-04-11T06:04:01.01 0.3 undecidable manual S 232 21.3675 116 -0.21 72
IV.VCEL.EHZ. 2021-04-11T06:04:01.46 0.6 undecidable manual P 88 42.3243 50 0.49 44
IV.GAVE.EHZ. 2021-04-11T06:04:01.97 0.3 undecidable manual P 314 48.9177 50 -0.01 72
IV.PTQR.HHZ. 2021-04-11T06:04:00.56 0.1 positive manual P 171 40.8258 50 -0.19 94
IV.T0110.HHZ. 2021-04-11T06:04:00.94 0.1 undecidable manual P 115 40.9257 50 0.18 94
IV.MTRA.EHZ. 2021-04-11T06:04:00.67 0.1 undecidable manual P 8 41.625 50 -0.19 94
IV.CAMP.HHZ. 2021-04-11T06:04:00.04 0.3 undecidable manual S 23 18.0708 120 -0.15 74
IV.GIGS.HHZ. 2021-04-11T06:04:00.87 0.3 undecidable manual S 70 21.6672 116 -0.44 69
IV.RM33.EHZ. 2021-04-11T06:03:59.57 0.3 undecidable manual S 327 16.3725 123 -0.11 74
IV.LNSS.HHZ. 2021-04-11T06:03:59.48 0.1 positive manual P 316 33.4443 50 -0.13 96
IV.TERO.HHZ. 2021-04-11T06:03:59.50 0.1 positive manual P 41 34.8429 50 -0.32 92
IV.SMA1.EHZ. 2021-04-11T06:03:58.56 0.1 positive manual P 2 27.1506 50 -0.08 98
IV.T1299.HNZ. 2021-04-11T06:03:58.66 0.1 positive manual P 353 27.75 50 -0.07 98
IV.FAGN.HHZ. 2021-04-11T06:03:58.32 0.1 positive manual P 122 25.1526 50 0 100
IV.CAMP.HHZ. 2021-04-11T06:03:57.24 0.1 positive manual P 23 18.0708 120 0.11 99
MN.AQU.HNZ. 2021-04-11T06:03:57.50 0.3 undecidable manual S 118 7.4814 144 0.09 76
IV.GIGS.HHZ. 2021-04-11T06:03:57.63 0.1 positive manual P 70 21.6672 116 -0.15 98
IV.FIAM.HHZ. 2021-04-11T06:03:57.76 0.1 positive manual P 232 21.3675 116 0.04 100
IV.RM33.EHZ. 2021-04-11T06:03:57.01 0.1 positive manual P 327 16.3725 123 0.17 98
MN.AQU.HNZ. 2021-04-11T06:03:55.84 0.1 positive manual P 118 7.4814 144 0.31 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHN. ML:2.4 0.0018921379999999998 0.32 AML other m 2021-04-11T06:04:00.52
IV.CAMP.HHE. ML:1.9 0.0007440268 0.4384 AML other m 2021-04-11T06:04:03.08
IV.FIAM.HHN. ML:1.8 0.00039524015 0.4224 AML other m 2021-04-11T06:04:05.74
IV.SMA1.EHE. ML:2.4 0.0013307115 0.2816 AML other m 2021-04-11T06:04:03.55
IV.FIAM.HHE. ML:1.7 0.0003601577 0.2592 AML other m 2021-04-11T06:04:01.19
IV.SMA1.EHN. ML:2.4 0.0013900000000000002 0.36 AML other m 2021-04-11T06:04:04.54
IV.TERO.HNE. ML:2.2 0.0006364189499999999 0.2112 AML other m 2021-04-11T06:04:05.80
IV.LNSS.HHN. ML:2.1 0.00055744145 0.1408 AML other m 2021-04-11T06:04:05.96
IV.TERO.HNN. ML:2.2 0.00060963245 0.1376 AML other m 2021-04-11T06:04:05.52
IV.PTQR.HHN. ML:1.7 0.0001865 0.24 AML other m 2021-04-11T06:04:06.48
IV.TERO.HHN. ML:2.2 0.00066236865 0.08 AML other m 2021-04-11T06:04:05.67
IV.MTRA.EHE. ML:2.4 0.0009217341 0.1216 AML other m 2021-04-11T06:04:06.79
IV.MTRA.HNN. ML:2.4 0.00076 1.78 AML other m 2021-04-11T06:04:07.90
IV.MTRA.EHN. ML:2.3 0.00074 1.8 AML other m 2021-04-11T06:04:07.91
IV.LNSS.HHE. ML:2.0 0.00041115860000000005 0.24 AML other m 2021-04-11T06:04:06.35
IV.LNSS.HNE. ML:2.0 0.00041570724999999995 0.2688 AML other m 2021-04-11T06:04:09.15
IV.LNSS.HNN. ML:2.1 0.00050778825 0.1408 AML other m 2021-04-11T06:04:06.04
IV.PTQR.HHE. ML:1.7 0.0001840054 0.2592 AML other m 2021-04-11T06:04:06.87
IV.MTRA.HNE. ML:2.4 0.0009122322 0.1408 AML other m 2021-04-11T06:04:06.78
IV.TERO.HHE. ML:2.1 0.000498 0.16 AML other m 2021-04-11T06:04:07.83
IV.ARRO.EHE. ML:1.9 0.0001865 0.2 AML other m 2021-04-11T06:04:10.07
IV.VCEL.EHN. ML:2.2 0.00053910285 0.2432 AML other m 2021-04-11T06:04:10.03
IV.NRCA.HHN. ML:2.3 0.0005393705 0.1216 AML other m 2021-04-11T06:04:11.19
IV.NRCA.HNE. ML:2.4 0.0006835 0.1 AML other m 2021-04-11T06:04:10.60
IV.NRCA.HHE. ML:2.5 0.0007075 0.1 AML other m 2021-04-11T06:04:10.60
IV.VCEL.EHE. ML:2.3 0.000703065 0.32 AML other m 2021-04-11T06:04:16.82
IV.NRCA.HNN. ML:2.3 0.0005115 0.12 AML other m 2021-04-11T06:04:11.19
IV.ARRO.EHN. ML:1.8 0.000164 0.18 AML other m 2021-04-11T06:04:11.26
IV.GAVE.EHE. ML:2.1 0.00034065965 0.16 AML other m 2021-04-11T06:04:11.49
IV.T0110.HHN. ML:2.2 0.0005377415 0.2816 AML other m 2021-04-11T06:04:13.23
IV.CERT.HHE. ML:1.8 0.000134 0.46 AML other m 2021-04-11T06:04:14.26
IV.CERT.HHN. ML:1.7 0.00011916881499999999 0.2816 AML other m 2021-04-11T06:04:14.96
IV.GAVE.EHN. ML:2.0 0.0002935 0.52 AML other m 2021-04-11T06:04:16.36
IV.T0110.HHE. ML:2.3 0.000717 0.48 AML other m 2021-04-11T06:04:16.46
IV.OFFI.HHE. ML:2.4 0.000407 0.48 AML other m 2021-04-11T06:04:17.90
IV.CESI.HHN. ML:2.1 0.0001985 0.26 AML other m 2021-04-11T06:04:18.53
IV.CESI.HHE. ML:1.8 0.000090954705 0.2208 AML other m 2021-04-11T06:04:19.66
IV.MTCE.HHE. ML:1.7 0.00010220000000000002 0.38 AML other m 2021-04-11T06:04:21.23
IV.LPEL.HHN. ML:2.0 0.000153 0.18 AML other m 2021-04-11T06:04:21.25
IV.LPEL.HHE. ML:2.2 0.0001955 0.26 AML other m 2021-04-11T06:04:21.23
IV.MTCE.HHN. ML:1.7 0.00008951071499999999 0.3424 AML other m 2021-04-11T06:04:22.15
IV.CESX.HHE. ML:1.7 0.000089591425 0.56 AML other m 2021-04-11T06:04:18.28
IV.CSP1.EHN. ML:2.3 0.0003015 0.28 AML other m 2021-04-11T06:04:22.05
IV.CSP1.EHE. ML:2.2 0.00025097785500000005 0.16 AML other m 2021-04-11T06:04:19.51
IV.INTR.HHE. ML:1.8 0.00011776624999999999 0.2208 AML other m 2021-04-11T06:04:18.90
IV.ASSB.HHE. ML:1.8 0.00007419557 0.32 AML other m 2021-04-11T06:04:24.82
IV.ASSB.HHN. ML:1.8 0.00007973260500000001 0.2816 AML other m 2021-04-11T06:04:23.78
IV.INTR.HHN. ML:2.1 0.0002265 0.62 AML other m 2021-04-11T06:04:22.80
IV.OFFI.HHN. ML:2.4 0.000437 1.5 AML other m 2021-04-11T06:04:22.00
IV.CESX.HHN. ML:1.8 0.0001295 1.66 AML other m 2021-04-11T06:04:24.98
IV.EL6.EHE. ML:2.2 0.00014295 0.34 AML other m 2021-04-11T06:04:34.78
IV.EL6.EHN. ML:2.2 0.0001493 1.56 AML other m 2021-04-11T06:04:36.19
IV.FIAM.HNE. ML:2.4 0.00189803135 0.6528 AML other m 2021-04-11T06:04:04.21
IV.FIAM.HNN. ML:2.0 0.0007171074 1.1104 AML other m 2021-04-11T06:04:01.74
IV.GAVE.HNN. ML:1.8 0.00018482965000000002 0.7296 AML other m 2021-04-11T06:04:16.91
IV.GAVE.HNE. ML:2.1 0.00032364119999999996 0.1696 AML other m 2021-04-11T06:04:11.48
IV.CERT.HNN. ML:1.9 0.00019505145 0.5504 AML other m 2021-04-11T06:04:14.95
IV.CERT.HNE. ML:2.1 0.00027618584999999994 0.5088 AML other m 2021-04-11T06:04:15.94
IV.INTR.HNN. ML:2.1 0.0002564766 0.6912 AML other m 2021-04-11T06:04:26.52
IV.INTR.HNE. ML:2.0 0.00017707075 0.7488 AML other m 2021-04-11T06:04:24.71
IV.MF5.EHE. ML:2.0 0.00018515535 0.3008 AML other m 2021-04-11T06:04:16.65
IV.MF5.EHN. ML:2.0 0.00017423864999999999 0.32 AML other m 2021-04-11T06:04:15.34
IV.CESI.HNE. ML:2.0 0.000147049821 0.4512 AML other m 2021-04-11T06:04:20.37
IV.CESI.HNN. ML:2.1 0.00019645275000000002 0.2528 AML other m 2021-04-11T06:04:18.66
IV.LPEL.HNN. ML:2.1 0.00018140820000000002 0.48 AML other m 2021-04-11T06:04:24.47
IV.LPEL.HNE. ML:2.2 0.00019896215 0.2784 AML other m 2021-04-11T06:04:21.37
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