Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 30-07-2021 and time 19:03:00 (Italy) in region 9 km E Pizzoli (AQ)

A magnitude ML 2.1 earthquake occured in region: 9 km E Pizzoli (AQ), on

  • 30-07-2021 17:03:00 (UTC)
  • 30-07-2021 19:03:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4520, 13.4040 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
Pizzoli AQ 9 4326 4326
Barete AQ 10 737 5063
L'Aquila AQ 11 69753 74816
Capitignano AQ 11 665 75481
Campotosto AQ 12 542 76023
Crognaleto TE 12 1297 77320
Pietracamela TE 15 271 77591
Cagnano Amiterno AQ 15 1369 78960
Scoppito AQ 15 3727 82687
Montereale AQ 15 2581 85268
Fano Adriano TE 16 296 85564
Poggio Picenze AQ 19 1136 86700
Lucoli AQ 19 1011 87711
Fossa AQ 19 721 88432
Ocre AQ 20 1167 89599
Tornimparte AQ 20 3187 92786

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km N of L'Aquila (69753 inhabitants)
34 Km SW of Teramo (54892 inhabitants)
62 Km W of Montesilvano (53738 inhabitants)
63 Km E of Terni (111501 inhabitants)
64 Km W of Chieti (51815 inhabitants)
67 Km W of Pescara (121014 inhabitants)
74 Km NE of Tivoli (56533 inhabitants)
75 Km NE of Guidonia Montecelio (88673 inhabitants)
80 Km SE of Foligno (57155 inhabitants)
98 Km NE of Roma (2864731 inhabitants)
100 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 2021-07-30
17:03:00		 42.4522 13.4043 10 2021-12-29
11:12:50		 Bollettino Sismico Italiano INGV 97328501
Reviewed
Rev100 		ML 2.1 2021-07-30
17:03:00		 42.4515 13.4143 11 2021-07-30
17:14:05		 Sala Sismica INGV-Roma 93409451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-30 17:03:00 ± 0.07
Latitude 42.4522 ± 0.0045
Longitude 13.4043 ± 0.0061
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 97328501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 591
Semi-minor axis of confidence ellipse (meter) 213
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 58
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 58
Number of defining phases 39
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.90472
Number of stations at which the event was observed 45
Number of stations from which data was used for origin computation 27
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 97328501
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-05 17:17:55

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 52
Type of magnitude ML
Reference to an origin 93409451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-30 17:14:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PETRA.HHZ. 2021-07-30T17:04:58.92 3.0 undecidable manual Sn -8.81 0
IV.MBAL.EHZ. 2021-07-30T17:04:55.63 3.0 undecidable manual Sg 10.49 0
IV.IST3.HHZ. 2021-07-30T17:04:55.78 3.0 undecidable manual Sg 6.24 0
IV.SERS.HHZ. 2021-07-30T17:04:51.73 3.0 undecidable manual Sn -5.62 0
IV.MSSA.HHZ. 2021-07-30T17:04:51.52 3.0 undecidable manual Sg 14.39 0
IV.LPDG.HHZ. 2021-07-30T17:04:42.20 3.0 undecidable manual Pn -1.47 0
IV.FREG.EHZ. 2021-07-30T17:04:37.69 3.0 undecidable manual Sn -5.3 0
IV.RAVA.EHZ. 2021-07-30T17:04:25.72 3.0 undecidable manual Sg 2.22 0
IV.CMPR.HHZ. 2021-07-30T17:04:18.27 3.0 undecidable manual Sg 1.5 0
IV.HAGA.HHZ. 2021-07-30T17:04:15.98 3.0 positive manual Pn -5.44 0
IV.PZUN.HHZ. 2021-07-30T17:04:14.59 3.0 undecidable manual Sn -1.73 0
IV.EUCT.HNZ. 2021-07-30T17:04:12.77 3.0 positive manual Pg 7.77 0
IV.MOCL.EHZ. 2021-07-30T17:04:11.73 3.0 undecidable manual Sg 2.63 0
GU.RNCA.HHZ. 2021-07-30T17:04:09.28 3.0 undecidable manual Pg 8.59 0
ST.RONC.EHZ. 2021-07-30T17:04:02.41 3.0 positive manual Pn -1.4 0
IV.RIBO.EHZ.01 2021-07-30T17:03:59.48 3.0 undecidable manual Sg 0.96 0
IX.SSB3.HHZ.02 2021-07-30T17:03:59.25 3.0 undecidable manual Sn -2.05 0
IX.SSB3.HHZ.02 2021-07-30T17:03:36.03 3.0 positive manual Pg 1.35 0
IV.IMOL.HNZ. 2021-07-30T17:03:35.25 3.0 negative manual Pn -3.92 0
IV.INTR.HHZ. 2021-07-30T17:03:20.97 0.6 undecidable manual S 140 63.8916 50 0.79 37
IV.MC2.EHZ. 2021-07-30T17:03:17.88 0.6 undecidable manual S 341 53.9016 50 0.35 44
IV.EL6.EHZ. 2021-07-30T17:03:17.52 0.3 undecidable manual P 346 100.4217 50 0.08 63
IV.PTQR.HHZ. 2021-07-30T17:03:16.81 0.6 undecidable manual S 180 47.7189 50 0.94 36
IV.NRCA.HHZ. 2021-07-30T17:03:16.04 0.6 undecidable manual S 331 48.5181 50 -0.04 47
IV.ASSB.HHZ. 2021-07-30T17:03:15.88 0.3 undecidable manual P 317 89.3439 50 0.14 64
IV.MOMA.HHZ. 2021-07-30T17:03:14.02 0.3 undecidable manual P 300 78.4659 50 -0.05 66
IV.T0110.HHZ. 2021-07-30T17:03:14.22 0.6 undecidable manual S 129 39.2274 50 0.61 42
IV.CSP1.EHZ. 2021-07-30T17:03:12.98 0.3 undecidable manual P 347 72.7716 50 -0.21 65
IV.FDMO.HHZ. 2021-07-30T17:03:12.62 0.3 undecidable manual P 338 69.7746 50 -0.11 67
IV.LNSS.HHZ. 2021-07-30T17:03:12.21 0.6 undecidable manual S 299 34.1436 50 -0.04 48
IV.CESX.HHZ. 2021-07-30T17:03:12.55 0.3 undecidable manual P 285 69.0753 50 -0.06 67
IV.TRTR.HHZ. 2021-07-30T17:03:11.60 0.3 undecidable manual P 46 57.2982 50 0.79 56
IV.MF5.EHZ. 2021-07-30T17:03:11.38 0.3 undecidable manual P 4 59.5959 50 0.22 66
IV.MTRA.EHZ. 2021-07-30T17:03:11.86 0.6 undecidable manual S 359 33.8439 50 -0.3 46
IV.INTR.HHZ. 2021-07-30T17:03:11.64 0.1 positive manual P 140 63.8916 50 -0.17 89
IV.OFFI.HHZ. 2021-07-30T17:03:11.83 0.3 undecidable manual P 23 58.2972 50 0.88 54
IV.ARRO.EHZ. 2021-07-30T17:03:10.07 0.3 undecidable manual P 285 54.1014 50 -0.24 67
IV.MC2.EHZ. 2021-07-30T17:03:10.14 0.3 undecidable manual P 341 53.9016 50 -0.14 68
IV.GAVE.EHZ. 2021-07-30T17:03:09.37 0.3 undecidable manual P 303 49.5171 50 -0.22 68
IV.NRCA.HHZ. 2021-07-30T17:03:09.18 0.1 positive manual P 331 48.5181 50 -0.26 90
IV.SMA1.EHZ. 2021-07-30T17:03:09.03 0.6 undecidable manual S 344 20.5683 115 0.75 40
IV.PTQR.HHZ. 2021-07-30T17:03:09.41 0.3 undecidable manual P 180 47.7189 50 0.09 70
IV.T0110.HHZ. 2021-07-30T17:03:08.01 0.6 undecidable manual P 129 39.2274 50 -0.01 48
IV.RM33.EHZ. 2021-07-30T17:03:07.28 0.6 undecidable manual S 292 16.7721 120 0.18 48
IV.LNSS.HHZ. 2021-07-30T17:03:07.20 0.1 positive manual P 299 34.1436 50 -0.03 96
IV.FIAM.HHZ. 2021-07-30T17:03:06.36 0.3 undecidable manual P 229 31.1466 50 -0.41 67
IV.VCEL.EHZ. 2021-07-30T17:03:06.98 0.1 negative manual P 100 36.2415 50 -0.58 84
IV.MTRA.EHZ. 2021-07-30T17:03:06.67 0.3 undecidable manual P 359 33.8439 50 -0.51 65
IV.TERO.HNZ. 2021-07-30T17:03:05.34 0.1 positive manual P 41 24.9528 111 -0.41 91
IV.CAMP.HHZ. 2021-07-30T17:03:05.36 0.6 undecidable manual S 2 9.2796 136 0.31 48
MN.AQU.HHE. 2021-07-30T17:03:05.49 0.6 undecidable manual S 180 10.878 132 0.05 50
IV.FAGN.HHZ. 2021-07-30T17:03:05.50 0.1 positive manual P 145 25.3524 111 -0.32 92
IV.GIGS.HHE. 2021-07-30T17:03:05.84 0.6 undecidable manual S 89 13.7751 125 -0.39 46
IV.RM33.EHZ. 2021-07-30T17:03:04.39 0.1 positive manual P 292 16.7721 120 0.13 97
IV.SMA1.EHZ. 2021-07-30T17:03:04.87 0.1 negative manual P 344 20.5683 115 -0.07 98
MN.AQU.HHE. 2021-07-30T17:03:03.38 0.1 positive manual P 180 10.878 132 0.08 100
IV.GIGS.HHE. 2021-07-30T17:03:03.73 0.1 positive manual P 89 13.7751 125 -0.03 100
IV.CAMP.HHZ. 2021-07-30T17:03:03.34 0.1 negative manual P 2 9.2796 136 0.27 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHN. ML:2.3 0.002800964 0.4096 AML other m 2021-07-30T17:03:05.61
IV.CAMP.HHE. ML:2.0 0.0013971390000000001 0.2176 AML other m 2021-07-30T17:03:05.64
IV.RM33.HNE. ML:2.4 0.0021006415 0.3584 AML other m 2021-07-30T17:03:07.74
IV.RM33.HNN. ML:2.4 0.0021635014999999997 0.2304 AML other m 2021-07-30T17:03:07.83
IV.RM33.EHN. ML:2.4 0.002072064 0.2176 AML other m 2021-07-30T17:03:07.83
IV.RM33.EHE. ML:2.4 0.002139651 0.2432 AML other m 2021-07-30T17:03:07.74
IV.TERO.HHN. ML:2.0 0.0006325 1.86 AML other m 2021-07-30T17:03:08.93
IV.TERO.HHE. ML:2.0 0.0005762336999999999 1.8208 AML other m 2021-07-30T17:03:08.99
IV.SMA1.EHN. ML:1.9 0.0005929613 0.4352 AML other m 2021-07-30T17:03:09.29
IV.SMA1.EHE. ML:2.0 0.0006715 0.22 AML other m 2021-07-30T17:03:09.71
IV.TERO.HNE. ML:2.0 0.0006405366 0.0896 AML other m 2021-07-30T17:03:11.41
IV.MTRA.EHE. ML:2.1 0.0005788020499999999 0.1408 AML other m 2021-07-30T17:03:12.13
IV.MTRA.HNE. ML:2.2 0.00060403705 0.1408 AML other m 2021-07-30T17:03:12.14
IV.MTRA.EHN. ML:2.1 0.00054288715 0.128 AML other m 2021-07-30T17:03:12.57
IV.MTRA.HNN. ML:2.1 0.00053002805 0.128 AML other m 2021-07-30T17:03:12.51
IV.LNSS.HNE. ML:2.1 0.0005468176999999999 0.256 AML other m 2021-07-30T17:03:12.84
IV.LNSS.HHN. ML:2.2 0.0006799999999999999 1.82 AML other m 2021-07-30T17:03:13.01
IV.LNSS.HNN. ML:2.2 0.00060250205 1.8208 AML other m 2021-07-30T17:03:13.02
IV.TERO.HNN. ML:1.9 0.00048063520000000005 0.1664 AML other m 2021-07-30T17:03:13.21
IV.FAGN.HHN. ML:2.5 0.00186 0.26 AML other m 2021-07-30T17:03:13.37
IV.FAGN.HHE. ML:2.4 0.001666043 0.2688 AML other m 2021-07-30T17:03:13.20
IV.LNSS.HHE. ML:2.2 0.00059929255 0.128 AML other m 2021-07-30T17:03:13.56
IV.VCEL.EHN. ML:2.2 0.0006251037 0.2304 AML other m 2021-07-30T17:03:14.47
IV.T0110.HHN. ML:2.3 0.0007029072000000001 0.2944 AML other m 2021-07-30T17:03:14.45
IV.FIAM.HHN. ML:1.6 0.00020325969999999998 0.3584 AML other m 2021-07-30T17:03:14.46
IV.T0110.HHE. ML:2.2 0.000527025 0.3328 AML other m 2021-07-30T17:03:15.67
IV.FIAM.HNE. ML:2.4 0.00124001405 0.5536 AML other m 2021-07-30T17:03:15.60
IV.VCEL.EHE. ML:2.3 0.0008854851 1.7184 AML other m 2021-07-30T17:03:16.03
IV.NRCA.HNN. ML:2.3 0.0005013229999999999 0.1024 AML other m 2021-07-30T17:03:16.56
IV.NRCA.HHN. ML:2.3 0.0006094999999999999 0.12 AML other m 2021-07-30T17:03:16.55
IV.FIAM.HHE. ML:1.6 0.000165848 0.4608 AML other m 2021-07-30T17:03:16.61
IV.NRCA.HHE. ML:2.4 0.00072761155 0.128 AML other m 2021-07-30T17:03:17.07
IV.NRCA.HNE. ML:2.4 0.0006887002 0.1152 AML other m 2021-07-30T17:03:17.08
IV.PTQR.HHN. ML:1.5 0.000086306315 0.2304 AML other m 2021-07-30T17:03:17.25
IV.GAVE.HNE. ML:2.1 0.00033560210000000004 0.1792 AML other m 2021-07-30T17:03:17.40
IV.GAVE.EHE. ML:2.1 0.0003445 0.18 AML other m 2021-07-30T17:03:17.49
IV.PTQR.HHE. ML:1.5 0.00009560671500000001 0.1792 AML other m 2021-07-30T17:03:17.44
IV.GAVE.EHN. ML:2.0 0.00024523945 1.8208 AML other m 2021-07-30T17:03:18.03
IV.FIAM.HNN. ML:1.9 0.00034174065 0.4096 AML other m 2021-07-30T17:03:18.64
IV.ARRO.EHE. ML:1.8 0.00014494469999999998 0.1536 AML other m 2021-07-30T17:03:19.21
IV.MF5.EHN. ML:1.9 0.0001795 0.18 AML other m 2021-07-30T17:03:20.88
IV.ARRO.EHN. ML:1.8 0.00015135535 0.2048 AML other m 2021-07-30T17:03:21.98
IV.OFFI.HHN. ML:2.6 0.00091190675 0.32 AML other m 2021-07-30T17:03:22.02
IV.INTR.HHN. ML:2.1 0.0002465 0.88 AML other m 2021-07-30T17:03:22.06
IV.INTR.HNN. ML:2.1 0.0002368171 0.3072 AML other m 2021-07-30T17:03:22.06
IV.INTR.HNE. ML:2.1 0.00023260425 0.2432 AML other m 2021-07-30T17:03:22.44
IV.INTR.HHE. ML:2.1 0.00022600000000000002 1.08 AML other m 2021-07-30T17:03:22.98
IV.OFFI.HHE. ML:2.5 0.0007305944 0.2176 AML other m 2021-07-30T17:03:22.48
IV.MF5.EHE. ML:2.1 0.00023899999999999998 0.4 AML other m 2021-07-30T17:03:22.69
IV.CESX.HHE. ML:1.7 0.0000882 0.24 AML other m 2021-07-30T17:03:23.87
IV.CESX.HHN. ML:1.9 0.00013345 0.3 AML other m 2021-07-30T17:03:23.76
IV.FDMO.HHN. ML:1.7 0.00008227705499999998 0.2176 AML other m 2021-07-30T17:03:24.52
IV.CSP1.EHE. ML:2.2 0.00023149785000000001 0.2688 AML other m 2021-07-30T17:03:25.61
IV.CSP1.EHN. ML:2.2 0.000252 0.2 AML other m 2021-07-30T17:03:26.02
IV.MOMA.HHN. ML:2.1 0.00017999999999999998 0.2 AML other m 2021-07-30T17:03:26.35
IV.MOMA.HNN. ML:2.2 0.00020507515 0.2176 AML other m 2021-07-30T17:03:26.36
IV.MOMA.HHE. ML:2.0 0.0001545 0.18 AML other m 2021-07-30T17:03:26.66
IV.MOMA.HNE. ML:2.0 0.0001597026 0.192 AML other m 2021-07-30T17:03:26.67
IV.FDMO.HHE. ML:1.8 0.00009659999999999999 0.22 AML other m 2021-07-30T17:03:30.13
IV.TRTR.HHN. ML:2.4 0.0005059632 0.3968 AML other m 2021-07-30T17:03:30.55
IV.TRTR.HHE. ML:2.4 0.0005325 0.86 AML other m 2021-07-30T17:03:31.44
IV.GAVE.HNN. ML:1.7 0.00014066880000000002 0.576 AML other m 2021-07-30T17:03:31.92
IV.ASSB.HHE. ML:1.8 0.00007395000000000001 1.64 AML other m 2021-07-30T17:03:32.02
IV.ASSB.HHN. ML:1.7 0.000061531295 0.2816 AML other m 2021-07-30T17:03:33.43
IV.EL6.EHE. ML:1.9 0.00007579426 0.2304 AML other m 2021-07-30T17:03:35.01
IV.EL6.EHN. ML:1.9 0.0000818 0.24 AML other m 2021-07-30T17:03:38.45
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