Earthquake with magnitude of ML 1.5 on date 03-08-2021 and time 09:51:49 (Italy) in region 3 km NE Barete (AQ)

A magnitude ML 1.5 earthquake occured in region: 3 km NE Barete (AQ), on

  • 03-08-2021 07:51:49 (UTC)
  • 03-08-2021 09:51:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4710, 13.3110 at 14 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
Barete AQ 3 737 737
Pizzoli AQ 4 4326 5063
Capitignano AQ 6 665 5728
Cagnano Amiterno AQ 7 1369 7097
Montereale AQ 8 2581 9678
Campotosto AQ 11 542 10220
Scoppito AQ 12 3727 13947
L'Aquila AQ 15 69753 83700
Borbona RI 15 617 84317
Crognaleto TE 16 1297 85614
Amatrice RI 18 2657 88271
Posta RI 19 694 88965
Antrodoco RI 20 2588 91553
Tornimparte AQ 20 3187 94740
Lucoli AQ 20 1011 95751

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NW of L'Aquila (69753 inhabitants)
39 Km SW of Teramo (54892 inhabitants)
55 Km E of Terni (111501 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
70 Km NE of Tivoli (56533 inhabitants)
71 Km NE of Guidonia Montecelio (88673 inhabitants)
72 Km W of Chieti (51815 inhabitants)
73 Km SE of Foligno (57155 inhabitants)
74 Km W of Pescara (121014 inhabitants)
94 Km NE of Roma (2864731 inhabitants)
98 Km NE of Velletri (53303 inhabitants)
99 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 1.5 2021-08-03
07:51:49
42.4712 13.3107 14 2021-12-29
11:12:53
Bollettino Sismico Italiano INGV 98465871
Reviewed
Rev100
ML 1.5 2021-08-03
07:51:48
42.4572 13.3077 14 2021-08-03
07:59:37
Sala Sismica INGV-Roma 93599271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-03 07:51:49 ± 0.13
Latitude 42.4712 ± 0.0063
Longitude 13.3107 ± 0.0085
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 98465871

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 740
Semi-minor axis of confidence ellipse (meter) 377
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 44
Circular confidence region, given by single value of horizontal uncertainty (meter) 740.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44876
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 98465871
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-13 14:03:23

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 93599271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-03 07:59:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.MGRO.HHZ. 2021-08-03T07:53:46.94 3.0 undecidable manual Sn 0.73 0
GU.IMI.HHZ. 2021-08-03T07:53:40.26 3.0 undecidable manual Sn -3.51 0
HL.VLS.HHZ. 2021-08-03T07:53:37.54 3.0 negative manual Pn 3.97 0
IV.ZEN8.EHZ. 2021-08-03T07:53:30.49 3.0 undecidable manual Sn 0.82 0
OX.VARN.HHZ. 2021-08-03T07:53:20.94 3.0 undecidable manual Sn -7.45 0
IV.NDIM.HNZ. 2021-08-03T07:53:19.72 3.0 undecidable manual Sg 6.78 0
CR.STON.BHZ. 2021-08-03T07:53:16.64 3.0 undecidable manual Sn -4.18 0
IV.IACL.HHZ. 2021-08-03T07:53:00.89 3.0 undecidable manual Pg 8.42 0
IV.BRIS.HHZ. 2021-08-03T07:52:55.51 3.0 undecidable manual Sg 4.59 0
IV.MTMR.HNZ. 2021-08-03T07:52:55.20 3.0 undecidable manual Sg 3.75 0
IV.ZEN8.EHZ. 2021-08-03T07:52:51.49 3.0 negative manual Pg 5.32 0
IV.CAPR.HNZ. 2021-08-03T07:52:49.45 3.0 positive manual Pn -1.19 0
IV.FIR.HHZ. 2021-08-03T07:52:44.46 3.0 undecidable manual Sn -4.48 0
IV.MRB1.HHZ. 2021-08-03T07:52:42.95 3.0 undecidable manual Sn -4.23 0
IV.VITU.HHZ. 2021-08-03T07:52:42.42 3.0 undecidable manual Sg 0.26 0
IV.MRLC.HHZ. 2021-08-03T07:52:35.93 3.0 undecidable manual Pg 6.27 0
IV.MCIV.CHZ. 2021-08-03T07:52:31.97 3.0 undecidable manual S 0.61 0
IX.SCL3.EHZ.02 2021-08-03T07:52:29.60 3.0 negative manual Pn -0.84 0
IV.SFI.EHZ. 2021-08-03T07:52:17.14 3.0 positive manual Pn -3.26 0
IV.MC2.EHZ. 2021-08-03T07:52:05.82 0.3 undecidable manual S 349 49.8168 94 1 51
IV.NRCA.HHZ. 2021-08-03T07:52:03.03 0.6 undecidable manual S 338 43.3233 95 -0.05 47
IV.MTRA.EHZ. 2021-08-03T07:51:59.85 0.3 undecidable manual S 12 32.4453 98 -0.35 68
IV.TERO.HHZ. 2021-08-03T07:51:59.04 0.6 undecidable manual S 55 29.2485 99 -0.32 46
IV.LNSS.HHZ. 2021-08-03T07:51:58.40 0.3 undecidable manual S 304 26.4513 101 -0.23 70
IV.MC2.EHZ. 2021-08-03T07:51:58.15 0.6 undecidable manual P 349 49.8168 94 0 47
IV.T0110.HHZ. 2021-08-03T07:51:57.64 0.3 undecidable manual P 125 46.62 94 -0.02 71
IV.GIGS.HJZ. 2021-08-03T07:51:57.13 0.6 undecidable manual S 95 21.5673 106 -0.21 48
IV.SMA1.EHZ. 2021-08-03T07:51:56.65 0.3 undecidable manual S 6 17.7711 112 0.26 71
IV.NRCA.HHZ. 2021-08-03T07:51:56.95 0.1 undecidable manual P 338 43.3233 95 -0.19 92
IV.MTRA.EHZ. 2021-08-03T07:51:55.20 0.1 undecidable manual P 12 32.4453 98 -0.28 92
MN.AQU.HNN. 2021-08-03T07:51:55.84 0.6 undecidable manual S 149 15.0738 118 0.1 49
IV.RM33.EHZ. 2021-08-03T07:51:54.30 0.3 undecidable manual S 298 8.88 138 -0.14 72
IV.TERO.HHZ. 2021-08-03T07:51:54.83 0.1 undecidable manual P 55 29.2485 99 -0.17 95
IV.CAMP.HHE. 2021-08-03T07:51:54.78 0.6 undecidable manual S 48 10.7781 131 -0.01 50
IV.LNSS.HHZ. 2021-08-03T07:51:54.55 0.1 undecidable manual P 304 26.4513 101 -0.02 97
IV.GIGS.HJZ. 2021-08-03T07:51:53.73 0.1 undecidable manual P 95 21.5673 106 -0.1 97
MN.AQU.HNN. 2021-08-03T07:51:53.24 0.3 undecidable manual P 149 15.0738 118 0.33 70
IV.SMA1.EHZ. 2021-08-03T07:51:53.52 0.1 undecidable manual P 6 17.7711 112 0.24 95
IV.CAMP.HHE. 2021-08-03T07:51:52.52 0.1 undecidable manual P 48 10.7781 131 0.16 97
IV.RM33.EHZ. 2021-08-03T07:51:52.24 0.1 undecidable manual P 298 8.88 138 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHE. ML:1.2 0.00017620654999999998 0.224 AML other m 2021-08-03T07:51:54.38
IV.RM33.HNE. ML:1.3 0.00022257731 0.224 AML other m 2021-08-03T07:51:54.38
IV.RM33.HNN. ML:1.5 0.00031093369999999997 0.2368 AML other m 2021-08-03T07:51:54.36
IV.RM33.EHN. ML:1.5 0.0003155 0.24 AML other m 2021-08-03T07:51:54.37
IV.SMA1.EHE. ML:1.6 0.00026966809999999996 0.1984 AML other m 2021-08-03T07:51:57.29
IV.SMA1.EHN. ML:1.5 0.000246 0.3 AML other m 2021-08-03T07:51:57.26
IV.TERO.HNE. ML:1.3 0.000082950165 0.6848 AML other m 2021-08-03T07:51:58.43
IV.TERO.HNN. ML:1.5 0.00013322705000000002 1.3088 AML other m 2021-08-03T07:51:59.09
IV.TERO.HHN. ML:1.2 0.00006791184 0.1216 AML other m 2021-08-03T07:51:59.14
IV.LNSS.HHE. ML:1.6 0.00018730495 0.1216 AML other m 2021-08-03T07:51:59.22
IV.LNSS.HHN. ML:1.4 0.0001375 1.22 AML other m 2021-08-03T07:51:59.63
IV.LNSS.HNE. ML:2.8 0.0031786855 0.8448 AML other m 2021-08-03T07:51:59.94
IV.MTRA.HNN. ML:1.5 0.0001353778381 1.8976 AML other m 2021-08-03T07:52:00.95
IV.MTRA.EHN. ML:1.5 0.0001473143 1.904 AML other m 2021-08-03T07:52:00.96
IV.MTRA.HNE. ML:1.5 0.00012492482 0.1216 AML other m 2021-08-03T07:52:00.12
IV.MTRA.EHE. ML:1.5 0.0001358441 0.1216 AML other m 2021-08-03T07:52:00.19
IV.LNSS.HNN. ML:1.4 0.000129438625 1.5072 AML other m 2021-08-03T07:52:03.17
IV.NRCA.HHE. ML:1.4 0.00007425000000000002 0.1 AML other m 2021-08-03T07:52:03.84
IV.NRCA.HHN. ML:1.2 0.00004365 0.14 AML other m 2021-08-03T07:52:05.58
IV.TERO.HHE. ML:1.5 0.00016230154 1.7632 AML other m 2021-08-03T07:52:07.08
IV.NRCA.HNN. ML:1.7 0.000138089485 0.8384 AML other m 2021-08-03T07:52:12.53
IV.NRCA.HNE. ML:1.5 0.00010257829499999998 1.2896 AML other m 2021-08-03T07:52:16.99
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