Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 08-08-2021 and time 19:52:09 (Italy) in region 1 km SE Barete (AQ)

A magnitude ML 2.1 earthquake occured in region: 1 km SE Barete (AQ), on

  • 08-08-2021 17:52:09 (UTC)
  • 08-08-2021 19:52:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4480, 13.2870 at 13 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
Barete AQ 1 737 737
Pizzoli AQ 2 4326 5063
Cagnano Amiterno AQ 5 1369 6432
Capitignano AQ 8 665 7097
Scoppito AQ 9 3727 10824
Montereale AQ 9 2581 13405
Campotosto AQ 14 542 13947
L'Aquila AQ 14 69753 83700
Borbona RI 15 617 84317
Antrodoco RI 17 2588 86905
Tornimparte AQ 18 3187 90092
Posta RI 18 694 90786
Lucoli AQ 18 1011 91797
Micigliano RI 19 127 91924
Borgo Velino RI 19 972 92896
Crognaleto TE 19 1297 94193

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km NW of L'Aquila (69753 inhabitants)
42 Km SW of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
67 Km NE of Tivoli (56533 inhabitants)
68 Km NE of Guidonia Montecelio (88673 inhabitants)
71 Km W of Montesilvano (53738 inhabitants)
73 Km W of Chieti (51815 inhabitants)
74 Km SE of Foligno (57155 inhabitants)
76 Km W of Pescara (121014 inhabitants)
90 Km NE of Roma (2864731 inhabitants)
95 Km NE of Velletri (53303 inhabitants)
97 Km E of Viterbo (67173 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 2021-08-08
17:52:09		 42.4485 13.2867 13 2021-12-29
11:12:53		 Bollettino Sismico Italiano INGV 98347261
Reviewed
Rev100 		ML 2.2 2021-08-08
17:52:09		 42.464 13.2827 14 2021-08-08
18:01:08		 Sala Sismica INGV-Roma 93852391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-08 17:52:09 ± 0.06
Latitude 42.4485 ± 0.0036
Longitude 13.2867 ± 0.0049
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 98347261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 396
Semi-minor axis of confidence ellipse (meter) 116
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 240
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 45
Number of associated phases, regardless of their use for origin computation 55
Number of defining phases 52
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.21768
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 33
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 73
Type of magnitude ML
Reference to an origin 98347261
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-09 14:45:03

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 56
Type of magnitude ML
Reference to an origin 93852391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-08 18:01:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ZONE.HHZ. 2021-08-08T17:54:08.93 3.0 undecidable manual Sg 10.94 0
IV.CPGN.EHZ. 2021-08-08T17:52:57.74 3.0 undecidable manual S 0.8 0
IV.FOSV.EHZ. 2021-08-08T17:52:39.76 3.0 undecidable manual S -1.8 0
IV.ASSB.HHZ. 2021-08-08T17:52:34.85 0.3 undecidable manual S 322 83.4498 92 0.86 52
IV.MML1.EHZ. 2021-08-08T17:52:33.31 0.3 undecidable manual S 341 78.0663 92 0.74 56
IV.PIEI.HHZ. 2021-08-08T17:52:31.89 0.6 undecidable manual P 333 135.1647 91 0.38 37
IV.MOMA.HHZ. 2021-08-08T17:52:31.20 0.3 undecidable manual S 304 70.5738 92 0.64 59
IV.CSP1.EHZ. 2021-08-08T17:52:31.42 0.3 undecidable manual S 355 71.6727 92 0.56 60
IV.FDMO.HHZ. 2021-08-08T17:52:30.21 0.3 undecidable manual S 346 67.1772 92 0.54 61
IV.MC2.EHZ. 2021-08-08T17:52:26.09 0.3 undecidable manual S 351 52.0035 93 0.49 64
IV.CING.HHZ. 2021-08-08T17:52:26.62 0.1 undecidable manual P 356 103.119 91 0.05 85
IV.EL6.EHZ. 2021-08-08T17:52:25.85 0.3 undecidable manual P 351 98.8233 91 -0.07 63
IV.ATCC.EHZ. 2021-08-08T17:52:25.92 0.3 undecidable manual P 327 97.2249 91 0.26 62
IV.NRCA.HHZ. 2021-08-08T17:52:23.48 0.3 undecidable manual S 342 45.0216 94 -0.26 68
IV.ASSB.HHZ. 2021-08-08T17:52:23.57 0.1 undecidable manual P 322 83.4498 92 0.03 89
IV.LPEL.HHZ. 2021-08-08T17:52:23.25 0.3 undecidable manual P 121 86.0472 92 -0.7 55
IV.GAVE.EHZ. 2021-08-08T17:52:22.72 0.3 undecidable manual S 310 41.9247 94 -0.21 69
IV.MML1.EHZ. 2021-08-08T17:52:22.72 0.6 undecidable manual P 341 78.0663 92 0 45
IV.MNTT.EHZ. 2021-08-08T17:52:22.54 0.6 undecidable manual P 20 72.5718 92 0.67 38
IV.CSP1.EHZ. 2021-08-08T17:52:21.50 0.1 undecidable manual P 355 71.6727 92 -0.23 86
IV.MOMA.HHZ. 2021-08-08T17:52:21.38 0.1 undecidable manual P 304 70.5738 92 -0.18 87
IV.GUMA.HHZ. 2021-08-08T17:52:21.32 0.3 undecidable manual P 3 68.2761 92 0.12 67
IV.FDMO.HHZ. 2021-08-08T17:52:20.84 0.1 undecidable manual P 346 67.1772 92 -0.21 87
IV.MTRA.EHZ. 2021-08-08T17:52:20.60 0.3 undecidable manual S 15 35.3424 95 -0.58 63
IV.CERT.HHZ. 2021-08-08T17:52:20.10 0.3 undecidable manual P 204 60.7947 92 0.05 69
IV.FAGN.HHZ. 2021-08-08T17:52:20.88 0.3 undecidable manual S 130 31.6461 96 0.67 61
IV.MF5.EHZ. 2021-08-08T17:52:20.38 0.1 undecidable manual P 13 61.494 92 0.22 89
IV.MTCE.HHZ. 2021-08-08T17:52:20.46 0.3 undecidable manual P 224 64.9905 92 -0.25 65
IV.TERO.HHZ. 2021-08-08T17:52:19.89 0.3 undecidable manual S 53 32.3454 96 -0.49 66
IV.LNSS.HHZ. 2021-08-08T17:52:18.61 0.3 undecidable manual S 310 26.4513 98 -0.2 71
IV.PTQR.HHZ. 2021-08-08T17:52:18.13 0.3 undecidable manual P 169 48.2184 93 0.01 71
IV.MC2.EHZ. 2021-08-08T17:52:18.58 0.1 undecidable manual P 351 52.0035 93 -0.12 92
IT.MMP1.HGE. 2021-08-08T17:52:18.34 0.6 undecidable manual P 244 49.3173 93 0.05 47
IV.GIGS.HHZ. 2021-08-08T17:52:18.16 0.3 undecidable manual S 89 23.4543 101 0.14 72
IV.VCEL.EHZ. 2021-08-08T17:52:18.04 0.3 undecidable manual P 97 45.7209 93 0.3 67
IV.FIAM.HHZ. 2021-08-08T17:52:18.08 0.3 undecidable manual S 215 24.3534 100 -0.19 71
IV.ARRO.EHZ. 2021-08-08T17:52:17.41 0.1 undecidable manual P 289 45.0216 94 -0.21 91
IV.T1299.HNN. 2021-08-08T17:52:17.06 0.3 undecidable manual S 359 20.5683 104 -0.23 71
IV.SMA1.EHZ. 2021-08-08T17:52:17.29 0.3 undecidable manual S 11 20.5683 104 0.01 75
IV.NRCA.HHZ. 2021-08-08T17:52:17.32 0.1 undecidable manual P 342 45.0216 94 -0.3 89
IV.GAVE.EHZ. 2021-08-08T17:52:16.92 0.1 undecidable manual P 310 41.9247 94 -0.23 91
IV.MTRA.EHZ. 2021-08-08T17:52:15.76 0.1 positive manual P 15 35.3424 95 -0.38 89
IV.FAGN.HHZ. 2021-08-08T17:52:15.97 0.3 undecidable manual P 130 31.6461 96 0.39 68
IV.CAMP.HHN. 2021-08-08T17:52:15.45 0.3 undecidable manual S 46 13.9749 118 -0.17 74
IV.TERO.HHZ. 2021-08-08T17:52:15.33 0.1 undecidable manual P 53 32.3454 96 -0.35 91
MN.AQU.HNE. 2021-08-08T17:52:15.99 0.3 undecidable manual S 137 14.2746 117 0.29 70
IV.GIGS.HHZ. 2021-08-08T17:52:14.18 0.1 undecidable manual P 89 23.4543 101 -0.14 96
IV.FIAM.HHZ. 2021-08-08T17:52:14.55 0.1 undecidable manual P 215 24.3534 100 0.09 97
IV.RM33.EHZ. 2021-08-08T17:52:14.32 0.3 undecidable manual S 319 8.9799 136 -0.23 73
IV.LNSS.HHZ. 2021-08-08T17:52:14.75 0.1 undecidable manual P 310 26.4513 98 -0.03 98
IV.CAMP.HHN. 2021-08-08T17:52:13.00 0.1 undecidable manual P 46 13.9749 118 0.07 99
MN.AQU.HNE. 2021-08-08T17:52:13.17 0.1 undecidable manual P 137 14.2746 117 0.19 96
IV.T1299.HNN. 2021-08-08T17:52:13.86 0.1 undecidable manual P 359 20.5683 104 -0.04 99
IV.SMA1.EHZ. 2021-08-08T17:52:13.79 0.1 undecidable manual P 11 20.5683 104 -0.1 97
IV.RM33.EHZ. 2021-08-08T17:52:12.37 0.1 negative manual P 319 8.9799 136 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNE. ML:2.3 0.0023662649999999998 0.1536 AML other m 2021-08-08T17:52:14.53
IV.RM33.EHE. ML:2.3 0.0024668205 0.1408 AML other m 2021-08-08T17:52:14.53
IV.RM33.EHN. ML:2.5 0.003715 0.24 AML other m 2021-08-08T17:52:14.40
IV.RM33.HNN. ML:2.5 0.003851497 0.2304 AML other m 2021-08-08T17:52:14.40
IV.SMA1.EHN. ML:2.6 0.0025949999999999997 0.28 AML other m 2021-08-08T17:52:17.88
IV.SMA1.EHE. ML:2.9 0.005062882 0.32 AML other m 2021-08-08T17:52:17.75
IV.LNSS.HHN. ML:2.6 0.002219428 0.256 AML other m 2021-08-08T17:52:19.03
IV.LNSS.HHE. ML:2.5 0.001608098 0.1152 AML other m 2021-08-08T17:52:19.46
IV.FIAM.HHN. ML:1.6 0.00024241216499999997 0.2816 AML other m 2021-08-08T17:52:19.88
IV.FIAM.HHE. ML:1.6 0.00020552735 0.2688 AML other m 2021-08-08T17:52:18.83
IV.MTRA.HNN. ML:2.2 0.0006804484 0.2688 AML other m 2021-08-08T17:52:21.50
IV.MTRA.HNE. ML:2.5 0.0011497945000000002 0.192 AML other m 2021-08-08T17:52:20.95
IV.MTRA.EHE. ML:2.4 0.0011373519 0.1792 AML other m 2021-08-08T17:52:20.96
IV.MTRA.EHN. ML:2.2 0.000696 0.28 AML other m 2021-08-08T17:52:21.51
IV.FAGN.HHE. ML:0.0 0.0009689569 0.4096 AML other m 2021-08-08T17:52:22.68
IV.NRCA.HHE. ML:2.7 0.00135 0.14 AML other m 2021-08-08T17:52:24.14
IV.GAVE.EHE. ML:2.2 0.0005380000000000001 0.24 AML other m 2021-08-08T17:52:24.49
IV.NRCA.HHN. ML:2.2 0.0005149587 0.1024 AML other m 2021-08-08T17:52:24.00
IV.ARRO.EHN. ML:1.9 0.0002150136 0.3072 AML other m 2021-08-08T17:52:27.27
IV.GAVE.EHN. ML:2.2 0.000523159 0.2176 AML other m 2021-08-08T17:52:25.24
IV.FAGN.HHN. ML:0.0 0.0006312487 0.2688 AML other m 2021-08-08T17:52:23.03
IV.ARRO.EHE. ML:1.8 0.000193 0.22 AML other m 2021-08-08T17:52:26.58
IV.PTQR.HHE. ML:1.4 0.0000692 0.24 AML other m 2021-08-08T17:52:26.41
IV.VCEL.EHN. ML:0.0 0.0003904569 0.2048 AML other m 2021-08-08T17:52:26.44
IV.VCEL.EHE. ML:0.0 0.00042735655 0.3968 AML other m 2021-08-08T17:52:28.29
IV.GUMA.HNN. ML:0.0 0.00037548694999999996 0.2688 AML other m 2021-08-08T17:52:33.52
IV.CERT.HHN. ML:1.8 0.000121 0.4 AML other m 2021-08-08T17:52:30.47
IV.PTQR.HHN. ML:1.1 0.000033266184999999996 0.1792 AML other m 2021-08-08T17:52:26.28
IV.CERT.HHE. ML:1.9 0.00014450000000000002 0.3 AML other m 2021-08-08T17:52:31.35
IV.FDMO.HHN. ML:1.9 0.00014000000000000001 0.18 AML other m 2021-08-08T17:52:32.25
IV.MF5.EHN. ML:0.0 0.00019932545000000002 0.2176 AML other m 2021-08-08T17:52:31.49
IV.MF5.EHE. ML:0.0 0.0001634607 0.3456 AML other m 2021-08-08T17:52:33.01
IV.GUMA.HHN. ML:0.0 0.00034231195000000004 0.32 AML other m 2021-08-08T17:52:33.02
IV.FDMO.HHE. ML:2.0 0.0001595 0.16 AML other m 2021-08-08T17:52:33.13
IV.MOMA.HHN. ML:2.1 0.0001915 0.22 AML other m 2021-08-08T17:52:33.66
IV.CSP1.EHE. ML:2.3 0.0003132572 0.32 AML other m 2021-08-08T17:52:33.94
IV.MML1.EHN. ML:2.1 0.000169 0.18 AML other m 2021-08-08T17:52:34.29
IV.CSP1.EHN. ML:2.3 0.00029549999999999997 0.22 AML other m 2021-08-08T17:52:34.51
IV.GUMA.HNE. ML:0.0 0.00033481095000000005 0.2688 AML other m 2021-08-08T17:52:35.54
IV.MML1.EHE. ML:2.0 0.00012909082 0.1792 AML other m 2021-08-08T17:52:34.70
IV.GUMA.HHE. ML:0.0 0.0004253935 0.3712 AML other m 2021-08-08T17:52:34.79
IV.LPEL.HHE. ML:2.0 0.00013000000000000002 0.14 AML other m 2021-08-08T17:52:35.81
IV.MOMA.HHE. ML:2.1 0.0002185 0.26 AML other m 2021-08-08T17:52:35.84
IV.LPEL.HHN. ML:1.8 0.00007615 0.36 AML other m 2021-08-08T17:52:36.40
IV.MNTT.EHE. ML:2.5 0.0005713867 0.1536 AML other m 2021-08-08T17:52:36.52
IV.MNTT.EHN. ML:2.4 0.0004025905 0.2432 AML other m 2021-08-08T17:52:36.77
IV.ASSB.HHN. ML:1.8 0.000091693165 0.1792 AML other m 2021-08-08T17:52:36.06
IV.ASSB.HHE. ML:1.9 0.00011015449999999998 0.3328 AML other m 2021-08-08T17:52:39.20
IV.CING.HHE. ML:1.9 0.00006988596 0.2176 AML other m 2021-08-08T17:52:43.11
IV.ATCC.EHE. ML:0.0 0.000099256605 0.512 AML other m 2021-08-08T17:52:45.78
IV.ATCC.EHN. ML:0.0 0.00009402452 0.2048 AML other m 2021-08-08T17:52:40.97
IV.CING.HHN. ML:1.9 0.00006888221 0.1408 AML other m 2021-08-08T17:52:43.34
IV.PIEI.HHN. ML:1.7 0.0000324 0.58 AML other m 2021-08-08T17:52:58.47
IV.PIEI.HHE. ML:1.6 0.000026337625 0.2816 AML other m 2021-08-08T17:52:57.47
IV.FIAM.HNN. ML:1.9 0.00043473335000000004 0.3072 AML other m 2021-08-08T17:52:19.88
IV.LNSS.HNN. ML:2.6 0.0020190760000000003 0.2688 AML other m 2021-08-08T17:52:19.03
IV.LNSS.HNE. ML:2.5 0.001518265 0.128 AML other m 2021-08-08T17:52:19.52
IV.TERO.HNN. ML:1.8 0.00027558384999999994 0.256 AML other m 2021-08-08T17:52:20.06
IV.TERO.HHN. ML:1.8 0.00027951379999999995 0.2304 AML other m 2021-08-08T17:52:20.05
IV.TERO.HHE. ML:1.5 0.00014736492949999998 0.0768 AML other m 2021-08-08T17:52:21.32
IV.TERO.HNE. ML:1.8 0.00029414405 0.1664 AML other m 2021-08-08T17:52:21.49
IV.GAVE.HNN. ML:1.8 0.00018111909999999996 0.2176 AML other m 2021-08-08T17:52:25.22
IV.GAVE.HNE. ML:2.2 0.0004960065000000001 0.2432 AML other m 2021-08-08T17:52:24.49
IV.NRCA.HNE. ML:2.6 0.0012638915000000002 0.1408 AML other m 2021-08-08T17:52:24.14
IV.NRCA.HNN. ML:2.2 0.0005098387 0.1408 AML other m 2021-08-08T17:52:24.33
IV.MOMA.HNN. ML:2.0 0.00017712125 0.2176 AML other m 2021-08-08T17:52:33.66
IV.MOMA.HNE. ML:2.0 0.00018513769999999998 0.2432 AML other m 2021-08-08T17:52:35.85
IV.MML1.HNN. ML:2.2 0.0002016063 0.1792 AML other m 2021-08-08T17:52:34.29
IV.MML1.HNE. ML:2.0 0.00014647852999999999 0.1792 AML other m 2021-08-08T17:52:34.70
IV.LPEL.HNN. ML:1.9 0.00010604068999999999 0.2176 AML other m 2021-08-08T17:52:37.87
IV.LPEL.HNE. ML:1.9 0.000105962015 0.1408 AML other m 2021-08-08T17:52:35.81
IV.EL6.EHN. ML:2.0 0.000101291875 0.1664 AML other m 2021-08-08T17:52:43.03
IV.EL6.EHE. ML:2.2 0.0001709722 0.2688 AML other m 2021-08-08T17:52:46.05
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