Earthquake with magnitude of ML 2.3 on date 29-08-2021 and time 14:34:18 (UTC) in region 4 km W Amatrice (RI)

A magnitude ML 2.3 earthquake occured in region: 4 km W Amatrice (RI), on

  • 29-08-2021 14:34:18 (UTC)
  • 29-08-2021 16:34:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6170, 13.2370 at 8 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Amatrice RI 5 2657 2657
Cittareale RI 6 482 3139
Accumoli RI 9 667 3806
Montereale AQ 10 2581 6387
Capitignano AQ 12 665 7052
Campotosto AQ 13 542 7594
Borbona RI 14 617 8211
Posta RI 15 694 8905
Cagnano Amiterno AQ 18 1369 10274
Arquata del Tronto AP 18 1178 11452
Barete AQ 19 737 12189

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of L'Aquila (69753 inhabitants)
39 Km W of Teramo (54892 inhabitants)
49 Km E of Terni (111501 inhabitants)
58 Km SE of Foligno (57155 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
80 Km NE of Guidonia Montecelio (88673 inhabitants)
81 Km NE of Tivoli (56533 inhabitants)
82 Km W of Pescara (121014 inhabitants)
82 Km W of Chieti (51815 inhabitants)
88 Km SE of Perugia (166134 inhabitants)
95 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 2.3 2021-08-29
14:34:18
42.6172 13.2373 8 2021-12-29
11:12:32
Bollettino Sismico Italiano INGV 95837231
Reviewed
Rev100
ML 2.2 2021-08-29
14:34:17
42.6123 13.2502 10 2021-08-29
14:44:36
Sala Sismica INGV-Roma 94786251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-29 14:34:18 ± 0.05
Latitude 42.6172 ± 0.0027
Longitude 13.2373 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95837231

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 299
Semi-minor axis of confidence ellipse (meter) 271
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 73
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 68
Number of defining phases 45
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) 5.52723
Number of stations at which the event was observed 47
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 58
Type of magnitude ML
Reference to an origin 94786251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-29 14:44:36

ML:2.3

Field Value
Value 2.3
Uncertainty 0.4
Num. used stations 74
Type of magnitude ML
Reference to an origin 95837231
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-24 15:55:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NDIM.HHZ. 2021-08-29T14:45:37.00 3.0 undecidable manual S 313.9524 9.999 0
IT.GNV.HGZ. 2021-08-29T14:36:16.31 3.0 undecidable manual Sg 18.34 0
GU.GORR.HHZ. 2021-08-29T14:36:12.62 3.0 undecidable manual Sg 17.870001 0
IV.ZEN8.EHZ. 2021-08-29T14:36:08.97 3.0 undecidable manual Sg 13.56 0
IV.CADC.EHZ. 2021-08-29T14:36:00.74 3.0 undecidable manual Sn 2.89 0
IV.VOBA.EHZ. 2021-08-29T14:35:57.85 3.0 undecidable manual Sn 0.22 0
IV.CMDO.HHZ. 2021-08-29T14:35:47.74 3.0 negative manual P 573.7923 1.128 0
IV.HAGA.HHZ. 2021-08-29T14:35:44.99 3.0 undecidable manual P 613.5192 3.58 0
IV.PTRP.HHZ. 2021-08-29T14:35:38.21 3.0 undecidable manual Sn -4.19 0
IV.JOPP.HHZ. 2021-08-29T14:35:37.78 3.0 undecidable manual P 497.6241 1.08 0
IX.SCL3.EHZ.02 2021-08-29T14:35:34.49 3.0 undecidable manual Sg 2.15 0
AC.VLO.HHZ. 2021-08-29T14:35:33.05 3.0 negative manual P 571.5945 -3.13 0
IV.VARE.HHZ. 2021-08-29T14:35:31.57 3.0 undecidable manual P 506.0157 3.55 0
GU.CARD.HHZ. 2021-08-29T14:35:28.79 3.0 undecidable manual Sn -0.72 0
CH.FUORN.HHZ. 2021-08-29T14:35:26.20 3.0 undecidable manual P 502.3194 -1.37 0
CH.BERNI.HHZ. 2021-08-29T14:35:25.41 3.0 undecidable manual P 491.9409 -0.87 0
IX.NSC3.EHZ.02 2021-08-29T14:35:24.18 3.0 undecidable manual Sn -0.72 0
IV.LMD.HHZ. 2021-08-29T14:35:14.83 3.0 undecidable manual Sn 0.45 0
IV.NDIM.HHZ. 2021-08-29T14:35:10.47 3.0 positive manual P 313.9524 6.35 0
IV.VAGA.HHZ. 2021-08-29T14:35:03.70 3.0 undecidable manual S -0.45 0
IT.FIE.HGZ. 2021-08-29T14:34:52.38 3.0 negative manual P 205.239 1.79 0
IV.SACR.HHZ. 2021-08-29T14:34:50.01 3.0 positive manual P 181.485 2.37 0
IV.CING.HHZ. 2021-08-29T14:34:44.00 0.6 undecidable manual S 358 84.249 50 0.45 42
IV.ASSB.HHZ. 2021-08-29T14:34:39.20 0.6 undecidable manual S 315 66.6777 50 0.33 45
IV.T0110.HHZ. 2021-08-29T14:34:37.40 0.6 undecidable manual S 134 61.5939 50 -0.12 47
IV.SAP2.EHZ. 2021-08-29T14:34:36.27 0.6 undecidable manual S 14 54.8007 50 0.57 43
IV.ARVD.HHZ. 2021-08-29T14:34:35.66 3.0 undecidable manual P 100.6215 0.38 0
IV.OFFI.HHZ. 2021-08-29T14:34:35.00 1.0 undecidable manual S 46 50.7159 50 0.38 23
IV.CESX.HHZ. 2021-08-29T14:34:34.90 0.6 undecidable manual S 269 53.1024 50 -0.35 45
IV.CSP1.EHZ. 2021-08-29T14:34:34.90 0.6 undecidable manual S 357 52.7028 50 -0.25 47
IV.MURB.HHZ. 2021-08-29T14:34:34.43 1.0 undecidable manual P 321 92.1411 50 0.46 21
IV.GUMA.HHZ. 2021-08-29T14:34:34.70 0.3 undecidable manual S 9 50.1165 50 0.26 70
IV.CING.HHZ. 2021-08-29T14:34:33.10 0.6 undecidable manual P 358 84.249 50 0.35 43
IV.FDMO.HHZ. 2021-08-29T14:34:33.90 0.6 undecidable manual S 345 48.1185 50 -0.01 49
IV.MF5.EHZ. 2021-08-29T14:34:33.30 0.6 undecidable manual S 24 44.9217 50 0.24 47
IV.EL6.EHZ. 2021-08-29T14:34:32.34 0.6 undecidable manual P 352 79.7646 50 0.27 44
IV.ARRO.EHZ. 2021-08-29T14:34:31.00 0.6 undecidable manual S 264 38.7279 50 -0.41 46
IV.MNTT.EHZ. 2021-08-29T14:34:29.04 0.6 undecidable manual P 30 57.2982 50 0.43 44
IV.MC2.EHZ. 2021-08-29T14:34:29.70 0.6 undecidable manual S 353 32.8449 104 -0.07 50
IV.ASSB.HHZ. 2021-08-29T14:34:29.88 0.6 undecidable manual P 315 66.6777 50 -0.17 46
IV.SAP2.EHZ. 2021-08-29T14:34:28.21 0.6 undecidable manual P 14 54.8007 50 -0.01 49
IV.GAVE.EHZ. 2021-08-29T14:34:28.30 0.3 undecidable manual S 287 29.2485 106 -0.24 73
IV.VCEL.EHZ. 2021-08-29T14:34:28.12 0.3 positive manual P 116 55.2003 50 -0.15 71
IV.T0110.HHZ. 2021-08-29T14:34:28.83 0.6 positive manual P 134 61.5939 50 -0.44 44
IV.TERO.HHZ. 2021-08-29T14:34:28.50 1.0 undecidable manual S 89 29.9478 106 -0.28 24
IV.CESX.HHZ. 2021-08-29T14:34:27.76 0.3 undecidable manual P 269 53.1024 50 -0.2 70
IV.FAGN.HHZ. 2021-08-29T14:34:27.19 0.6 undecidable manual P 144 48.2184 50 -0.01 49
IV.NRCA.HNZ. 2021-08-29T14:34:27.20 0.6 undecidable manual S 337 26.0517 108 -0.28 48
IV.CSP1.EHZ. 2021-08-29T14:34:27.54 0.3 positive manual P 357 52.7028 50 -0.36 68
IV.FDMO.HHZ. 2021-08-29T14:34:27.01 0.6 undecidable manual P 345 48.1185 50 -0.17 48
IV.OFFI.HHZ. 2021-08-29T14:34:27.93 0.6 undecidable manual P 46 50.7159 50 0.34 46
IV.GUMA.HHZ. 2021-08-29T14:34:27.49 0.3 positive manual P 9 50.1165 50 0 74
IV.MF5.EHZ. 2021-08-29T14:34:26.72 0.3 undecidable manual P 24 44.9217 50 0.02 74
IV.ARRO.EHZ. 2021-08-29T14:34:25.47 0.3 positive manual P 264 38.7279 50 -0.28 71
IV.MTRA.EHZ. 2021-08-29T14:34:25.00 0.6 undecidable manual S 40 20.1687 112 -0.58 45
IV.CAMP.HHZ. 2021-08-29T14:34:24.10 0.6 undecidable manual S 123 16.6722 117 -0.36 48
IV.LNSS.HHZ. 2021-08-29T14:34:24.70 0.6 undecidable manual S 264 16.1727 117 0.39 48
IV.MC2.EHZ. 2021-08-29T14:34:24.56 0.3 undecidable manual P 353 32.8449 104 -0.24 72
IV.TERO.HHZ. 2021-08-29T14:34:23.75 0.6 undecidable manual P 89 29.9478 106 -0.47 46
IV.GAVE.EHZ. 2021-08-29T14:34:23.97 0.1 positive manual P 287 29.2485 106 -0.12 100
IV.RM33.EHZ. 2021-08-29T14:34:23.40 0.6 undecidable manual S 189 12.1767 124 0.29 50
IV.NRCA.HNZ. 2021-08-29T14:34:23.35 0.3 undecidable manual P 337 26.0517 108 -0.12 75
IV.SMA1.EHZ. 2021-08-29T14:34:22.20 0.6 undecidable manual S 79 8.0808 136 0.16 51
IV.MTRA.EHZ. 2021-08-29T14:34:22.20 0.1 positive manual P 40 20.1687 112 -0.18 100
IV.LNSS.HHZ. 2021-08-29T14:34:22.07 0.1 positive manual P 264 16.1727 117 0.43 96
IV.CAMP.HHZ. 2021-08-29T14:34:21.74 0.3 positive manual P 123 16.6722 117 0.01 78
IV.RM33.EHZ. 2021-08-29T14:34:21.31 0.1 positive manual P 189 12.1767 124 0.36 98
IV.SMA1.EHZ. 2021-08-29T14:34:20.68 0.1 undecidable manual P 79 8.0808 136 0.35 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:3.1 0.0215 0.48 AML other m 2021-08-29T14:34:22.61
IV.SMA1.EHN. ML:2.6 0.006285 1.78 AML other m 2021-08-29T14:34:22.01
IV.RM33.EHN. ML:2.0 0.00122 0.48 AML other m 2021-08-29T14:34:23.78
IV.RM33.HNN. ML:2.0 0.0012000000000000001 0.48 AML other m 2021-08-29T14:34:23.78
IV.RM33.EHE. ML:2.2 0.0018549999999999999 0.74 AML other m 2021-08-29T14:34:24.38
IV.RM33.HNE. ML:2.2 0.00186 0.74 AML other m 2021-08-29T14:34:24.38
IV.CAMP.HHN. ML:1.7 0.000501 0.62 AML other m 2021-08-29T14:34:24.41
IV.CAMP.HHE. ML:1.8 0.0005480000000000001 0.88 AML other m 2021-08-29T14:34:24.87
IV.MTRA.HNE. ML:2.6 0.003315 0.72 AML other m 2021-08-29T14:34:25.02
IV.MTRA.HNN. ML:2.6 0.002945 0.28 AML other m 2021-08-29T14:34:25.52
IV.MTRA.EHN. ML:2.6 0.00292 0.28 AML other m 2021-08-29T14:34:25.53
IV.MTRA.EHE. ML:2.6 0.0033399999999999997 0.72 AML other m 2021-08-29T14:34:25.03
IV.LNSS.HHN. ML:2.1 0.0013254999999999999 0.7 AML other m 2021-08-29T14:34:25.60
IV.LNSS.HNN. ML:2.1 0.00123 0.7 AML other m 2021-08-29T14:34:25.61
IV.LNSS.HHE. ML:2.2 0.001635 0.14 AML other m 2021-08-29T14:34:26.26
IV.LNSS.HNE. ML:2.2 0.0015550000000000002 0.14 AML other m 2021-08-29T14:34:26.26
IV.NRCA.HHE. ML:2.5 0.0017400000000000002 0.12 AML other m 2021-08-29T14:34:27.42
IV.NRCA.HHN. ML:2.2 0.0009345 1.1 AML other m 2021-08-29T14:34:27.71
IV.TERO.HNE. ML:2.3 0.0009455 0.98 AML other m 2021-08-29T14:34:27.26
IV.TERO.HNN. ML:2.1 0.0006665 0.18 AML other m 2021-08-29T14:34:28.25
IV.TERO.HHN. ML:2.2 0.000814 0.16 AML other m 2021-08-29T14:34:28.26
IV.TERO.HHE. ML:2.2 0.0007574999999999999 0.12 AML other m 2021-08-29T14:34:28.26
IV.GAVE.EHN. ML:2.4 0.0014299999999999998 0.36 AML other m 2021-08-29T14:34:28.97
IV.GAVE.HNE. ML:2.5 0.00171 1.18 AML other m 2021-08-29T14:34:28.38
IV.GAVE.HNN. ML:1.9 0.00040449999999999997 1.24 AML other m 2021-08-29T14:34:28.97
IV.GAVE.EHE. ML:2.5 0.001565 1.4 AML other m 2021-08-29T14:34:29.91
IV.ARRO.EHE. ML:1.9 0.00028349999999999995 0.1 AML other m 2021-08-29T14:34:32.07
IV.ARRO.EHN. ML:2.0 0.0003835 1.06 AML other m 2021-08-29T14:34:32.31
IV.MF5.EHN. ML:2.5 0.0008975 0.48 AML other m 2021-08-29T14:34:33.70
IV.MF5.EHE. ML:2.5 0.000968 1.46 AML other m 2021-08-29T14:34:34.09
IV.FDMO.HHN. ML:1.8 0.000167 0.28 AML other m 2021-08-29T14:34:34.78
IV.GUMA.HHE. ML:2.8 0.001715 0.26 AML other m 2021-08-29T14:34:35.15
IV.GUMA.HHN. ML:2.6 0.00118 0.24 AML other m 2021-08-29T14:34:35.42
IV.FDMO.HHE. ML:1.7 0.00014194999999999998 0.68 AML other m 2021-08-29T14:34:36.03
IV.CESX.HHN. ML:2.1 0.000299 0.76 AML other m 2021-08-29T14:34:36.94
IV.SAP2.EHE. ML:2.2 0.00040800000000000005 0.14 AML other m 2021-08-29T14:34:37.12
IV.OFFI.HHN. ML:2.3 0.000514 0.36 AML other m 2021-08-29T14:34:37.18
IV.SAP2.EHN. ML:3.0 0.00237 0.2 AML other m 2021-08-29T14:34:37.45
IV.FAGN.HHN. ML:2.1 0.0003725 1.7 AML other m 2021-08-29T14:34:37.89
IV.CSP1.EHE. ML:2.2 0.000404 0.68 AML other m 2021-08-29T14:34:38.06
IV.FAGN.HHE. ML:2.2 0.000431 1.46 AML other m 2021-08-29T14:34:38.93
IV.OFFI.HHE. ML:2.3 0.0005290000000000001 0.46 AML other m 2021-08-29T14:34:38.24
IV.CSP1.EHN. ML:2.2 0.0004395 0.34 AML other m 2021-08-29T14:34:38.31
IV.CESX.HHE. ML:2.0 0.0002195 0.22 AML other m 2021-08-29T14:34:39.36
IV.VCEL.EHE. ML:2.2 0.00034199999999999996 0.48 AML other m 2021-08-29T14:34:39.63
IV.VCEL.EHN. ML:2.1 0.0002855 0.22 AML other m 2021-08-29T14:34:39.54
IV.MNTT.EHE. ML:2.5 0.0006475 0.2 AML other m 2021-08-29T14:34:40.17
IV.ASSB.HHE. ML:1.9 0.0001365 1.42 AML other m 2021-08-29T14:34:40.14
IV.ASSB.HHN. ML:2.0 0.00016700000000000002 1.72 AML other m 2021-08-29T14:34:40.04
IV.MNTT.EHN. ML:2.6 0.0008565000000000001 0.36 AML other m 2021-08-29T14:34:41.56
IV.T0110.HHE. ML:2.1 0.0002345 0.5 AML other m 2021-08-29T14:34:42.56
IV.T0110.HHN. ML:2.0 0.00021900000000000004 0.3 AML other m 2021-08-29T14:34:43.68
IV.CING.HHE. ML:1.9 0.00009945 1.02 AML other m 2021-08-29T14:34:45.41
IV.EL6.EHN. ML:2.0 0.00014250000000000002 0.46 AML other m 2021-08-29T14:34:46.43
IV.CING.HHN. ML:1.8 0.0000807 0.24 AML other m 2021-08-29T14:34:47.51
IV.SACR.HNN. ML:3.1 0.00047400000000000003 0.1 AML other m 2021-08-29T14:34:52.10
IV.SACR.HHN. ML:3.2 0.0005825 0.1 AML other m 2021-08-29T14:34:52.10
IV.MURB.HHN. ML:2.1 0.0001525 0.34 AML other m 2021-08-29T14:34:52.85
IV.MURB.HHE. ML:2.2 0.000161 1.62 AML other m 2021-08-29T14:34:55.89
IV.SACR.HNE. ML:3.2 0.0005940000000000001 0.1 AML other m 2021-08-29T14:34:56.16
IV.SACR.HHE. ML:3.2 0.0005994999999999999 0.1 AML other m 2021-08-29T14:34:56.21
IV.EL6.EHE. ML:2.2 0.0002285 1.2 AML other m 2021-08-29T14:34:58.15
IV.NDIM.HHE. ML:3.8 0.0007224999999999999 0.36 AML other m 2021-08-29T14:35:12.90
IV.CADC.EHN. ML:3.3 0.00011850000000000001 1.22 AML other m 2021-08-29T14:35:25.20
IX.NSC3.EHN.02 ML:2.6 0.00007795 0.76 AML other m 2021-08-29T14:35:26.38
IV.CADC.EHE. ML:3.4 0.000151 0.76 AML other m 2021-08-29T14:35:26.58
IX.NSC3.EHE.02 ML:2.6 0.0000764 1.26 AML other m 2021-08-29T14:35:27.01
GU.CARD.HHE. ML:2.4 0.000034699999999999996 0.74 AML other m 2021-08-29T14:35:35.52
GU.CARD.HHN. ML:2.3 0.00003229999999999999 0.04 AML other m 2021-08-29T14:35:39.67
IX.SCL3.EHE.02 ML:3.6 0.000489 1.48 AML other m 2021-08-29T14:35:42.93
IX.SCL3.EHN.02 ML:3.9 0.0010035 0.46 AML other m 2021-08-29T14:35:42.66
IV.NDIM.HHN. ML:3.6 0.00041500000000000006 0.22 AML other m 2021-08-29T14:35:53.15
IV.VOBA.EHE. ML:3.3 0.00011235 0.06 AML other m 2021-08-29T14:36:13.16
IV.VOBA.EHN. ML:3.5 0.0001705 0.06 AML other m 2021-08-29T14:36:13.14
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