Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 01-08-2020 and time 06:14:10 (UTC) in region 5 km E L'Aquila (AQ)

A magnitude ML 1.6 earthquake occured in region: 5 km E L'Aquila (AQ), on

  • 01-08-2020 06:14:10 (UTC)
  • 01-08-2020 08:14:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.35, 13.46 at 18 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
L'Aquila AQ 5 69753 69753
Fossa AQ 6 721 70474
Ocre AQ 7 1167 71641
Poggio Picenze AQ 8 1136 72777
Sant'Eusanio Forconese AQ 9 394 73171
San Demetrio ne' Vestini AQ 11 1854 75025
Villa Sant'Angelo AQ 11 424 75449
Barisciano AQ 11 1828 77277
Lucoli AQ 11 1011 78288
Rocca di Cambio AQ 12 533 78821
Tornimparte AQ 14 3187 82008
Fagnano Alto AQ 14 418 82426
Prata d'Ansidonia AQ 15 496 82922
Santo Stefano di Sessanio AQ 16 111 83033
Rocca di Mezzo AQ 16 1526 84559
Pizzoli AQ 17 4326 88885
Scoppito AQ 17 3727 92612
San Pio delle Camere AQ 18 661 93273
Fontecchio AQ 18 369 93642
Barete AQ 19 737 94379
Carapelle Calvisio AQ 19 87 94466
Castelvecchio Calvisio AQ 20 153 94619
Calascio AQ 20 137 94756

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km E of L'Aquila (69753 inhabitants)
40 Km SW of Teramo (54892 inhabitants)
59 Km W of Chieti (51815 inhabitants)
60 Km W of Montesilvano (53738 inhabitants)
64 Km W of Pescara (121014 inhabitants)
69 Km NE of Tivoli (56533 inhabitants)
71 Km E of Terni (111501 inhabitants)
71 Km NE of Guidonia Montecelio (88673 inhabitants)
92 Km SE of Foligno (57155 inhabitants)
92 Km NE of Velletri (53303 inhabitants)
95 Km NE of Roma (2864731 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 1.6 2020-08-01
06:14:10		 42.35 13.46 18 2020-11-19
12:36:56		 Bollettino Sismico Italiano INGV 81726111
Reviewed
Rev100 		ML 1.5 2020-08-01
06:14:10		 42.35 13.46 18 2020-08-01
06:23:37		 Sala Sismica INGV-Roma 81531601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-01 06:14:10 ± 0.1
Latitude 42.35 ± 0.00
Longitude 13.46 ± 0.01
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 81726111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 580
Semi-minor axis of confidence ellipse (meter) 99
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 61
Circular confidence region, given by single value of horizontal uncertainty (meter) 580
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
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) 0.03867
Epicentral distance of station farthest from the epicenter (degree) 0.64032
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 81726111
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-07 07:00:28

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 24
Type of magnitude ML
Reference to an origin 81531601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-01 06:23:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.LPEL.HHZ. 2020-08-01T06:14:30.99 0.6 undecidable manual S 119 0.616 97 -0.37 55
IV.NRCA.HHZ. 2020-08-01T06:14:29.53 0.6 undecidable manual S 333 0.5477 98 0.17 58
IV.MTRA.EHZ. 2020-08-01T06:14:25.15 0.3 undecidable manual S 354 0.4119 102 -0.25 90
IV.PTQR.HHZ. 2020-08-01T06:14:23.28 0.6 undecidable manual S 187 0.3274 106 0.33 60
IV.MF5.EHZ. 2020-08-01T06:14:23.42 0.6 undecidable manual P 0 0.6403 97 0.44 54
IV.VCEL.EHZ. 2020-08-01T06:14:22.63 0.6 undecidable manual S 80 0.2878 108 0.8 52
IV.LPEL.HHZ. 2020-08-01T06:14:22.63 0.6 undecidable manual P 119 0.616 97 0.07 60
IV.MC2.EHZ. 2020-08-01T06:14:22.13 0.6 undecidable manual P 341 0.598 97 -0.12 59
IV.SMA1.EHE. 2020-08-01T06:14:21.76 0.6 undecidable manual S 343 0.2977 108 -0.34 60
IV.NRCA.HHZ. 2020-08-01T06:14:21.19 0.6 undecidable manual P 333 0.5477 98 -0.22 59
IV.FIAM.HHZ. 2020-08-01T06:14:21.23 0.6 undecidable manual S 253 0.2626 111 0.1 64
IV.T0110.HHZ. 2020-08-01T06:14:21.02 0.6 undecidable manual S 116 0.2635 111 -0.15 62
IV.TERO.HHZ. 2020-08-01T06:14:21.87 0.6 undecidable manual S 21 0.2968 108 -0.21 62
IV.INTR.HHZ. 2020-08-01T06:14:19.91 0.6 undecidable manual P 135 0.4712 100 -0.21 59
IV.CAMP.HHZ. 2020-08-01T06:14:19.40 0.6 undecidable manual S 350 0.1925 120 0.16 63
IV.LNSS.HNZ. 2020-08-01T06:14:19.81 0.6 undecidable manual P 310 0.3993 102 0.9 48
IV.MTRA.EHZ. 2020-08-01T06:14:18.81 0.3 undecidable manual P 354 0.4119 102 -0.31 89
IV.FAGN.HHZ. 2020-08-01T06:14:17.57 0.6 undecidable manual S 131 0.1241 135 -0.07 64
IV.GIGS.HHE. 2020-08-01T06:14:17.91 0.6 undecidable manual S 39 0.1367 132 0 66
IV.TERO.HHZ. 2020-08-01T06:14:17.19 0.6 undecidable manual P 21 0.2968 108 -0.01 64
IV.VCEL.EHZ. 2020-08-01T06:14:17.43 0.6 undecidable manual P 80 0.2878 108 0.37 60
IV.PTQR.HHZ. 2020-08-01T06:14:17.57 0.6 undecidable manual P 187 0.3274 106 -0.14 61
IV.FIAM.HHZ. 2020-08-01T06:14:16.85 0.6 undecidable manual P 253 0.2626 111 0.19 62
IV.T0110.HHZ. 2020-08-01T06:14:16.59 0.3 undecidable manual P 116 0.2635 111 -0.09 94
IV.SMA1.EHE. 2020-08-01T06:14:16.72 0.6 undecidable manual P 343 0.2977 108 -0.5 58
MN.AQU.HNZ. 2020-08-01T06:14:16.09 0.6 undecidable manual S 281 0.0387 164 -0.25 63
IV.CAMP.HHZ. 2020-08-01T06:14:15.73 0.3 undecidable manual P 350 0.1925 120 0.16 95
IV.FAGN.HHZ. 2020-08-01T06:14:14.62 0.3 undecidable manual P 131 0.1241 135 -0.02 98
IV.GIGS.HHE. 2020-08-01T06:14:14.87 0.3 undecidable manual P 39 0.1367 132 0.07 98
MN.AQU.HNZ. 2020-08-01T06:14:13.87 0.3 undecidable manual P 281 0.0387 164 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:0 4.65E-5 1.68 AML other m 2020-08-01T06:14:24.14
IV.GAVE.EHN. ML:0 6.785E-5 0.08 AML other m 2020-08-01T06:14:25.07
IV.PAOL.HNE. ML:0 0.0005885 0.76 AML other m 2020-08-01T06:14:29.64
IV.PAOL.HNN. ML:0 0.000694 0.6 AML other m 2020-08-01T06:14:29.64
IV.VVLD.HHE. ML:0 1.98E-5 0.52 AML other m 2020-08-01T06:14:31.08
IV.RMP.HHE. ML:0 0.000959 1.16 AML other m 2020-08-01T06:14:33.99
IV.RMP.HHN. ML:0 0.0008915 0.1 AML other m 2020-08-01T06:14:34.24
IV.VVLD.HHN. ML:0 3.31E-5 0.52 AML other m 2020-08-01T06:14:36.07
IV.TOLF.HHN. ML:0 0.0001345 0.04 AML other m 2020-08-01T06:14:49.35
IV.TOLF.HHE. ML:0 4.05E-5 0.32 AML other m 2020-08-01T06:14:49.44
IV.TDS.HHE. ML:0 1.815E-5 0.16 AML other m 2020-08-01T06:15:19.58
IV.TDS.HHN. ML:0 1.465E-5 0.7 AML other m 2020-08-01T06:15:20.11
IV.CMPR.HHN. ML:0 0.000135 0.06 AML other m 2020-08-01T06:15:23.14
IV.CMPR.HHE. ML:0 7.83E-5 0.06 AML other m 2020-08-01T06:15:23.14
GU.CANO.HHE. ML:0 3.97E-5 0.86 AML other m 2020-08-01T06:15:23.93
GU.CANO.HHN. ML:0 3.875E-5 0.08 AML other m 2020-08-01T06:16:01.43
IV.IFIL.HHN. ML:0 0.00010185 1.1 AML other m 2020-08-01T06:16:06.65
IV.IFIL.HHE. ML:0 0.0001785 0.64 AML other m 2020-08-01T06:16:13.41
IV.FAGN.HHE. ML:1.8 0.00044374065 0.16 AML other m 2020-08-01T06:14:18.50
IV.FAGN.HHN. ML:1.7 0.0003543463 0.2208 AML other m 2020-08-01T06:14:18.70
IV.CAMP.HHE. ML:0.9 5.63E-5 1.08 AML other m 2020-08-01T06:14:19.56
IV.CAMP.HHN. ML:1.3 0.000129 0.88 AML other m 2020-08-01T06:14:20.04
IV.T0110.HHE. ML:1.6 0.00016225225 0.16 AML other m 2020-08-01T06:14:22.98
IV.T0110.HHN. ML:1.5 0.0001344932 0.1792 AML other m 2020-08-01T06:14:22.22
IV.FIAM.HHN. ML:0.8 3.142247E-5 0.1792 AML other m 2020-08-01T06:14:22.75
IV.FIAM.HHE. ML:0.8 2.6505015E-5 0.24 AML other m 2020-08-01T06:14:23.21
IV.TERO.HHE. ML:1.7 0.00017920285 0.08 AML other m 2020-08-01T06:14:22.16
IV.TERO.HHN. ML:1.6 0.0001508633 0.08 AML other m 2020-08-01T06:14:22.16
IV.TERO.HNE. ML:1.7 0.0001907447 0.08 AML other m 2020-08-01T06:14:22.12
IV.TERO.HNN. ML:1.5 0.0001220994225 0.1696 AML other m 2020-08-01T06:14:24.68
IV.VCEL.EHN. ML:1.7 0.00020007755 0.1984 AML other m 2020-08-01T06:14:25.53
IV.VCEL.EHE. ML:1.6 0.0001698164 0.2208 AML other m 2020-08-01T06:14:26.35
IV.PTQR.HHE. ML:0.9 2.9205245E-5 0.1792 AML other m 2020-08-01T06:14:24.92
IV.PTQR.HHN. ML:1 3.6942385E-5 0.1792 AML other m 2020-08-01T06:14:24.27
IV.MTRA.HNN. ML:1.8 0.000160767995 0.2624 AML other m 2020-08-01T06:14:25.77
IV.MTRA.EHN. ML:1.7 0.00014749985 0.2592 AML other m 2020-08-01T06:14:25.77
IV.MTRA.HNE. ML:1.8 0.00018562 0.1824 AML other m 2020-08-01T06:14:25.65
IV.MTRA.EHE. ML:1.8 0.00018234555 0.16 AML other m 2020-08-01T06:14:25.64
IV.LPEL.HHN. ML:1.3 3.355584E-5 0.1792 AML other m 2020-08-01T06:14:31.96
IV.LPEL.HHE. ML:1.4 3.813418E-5 0.08 AML other m 2020-08-01T06:14:32.03
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download