Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 19-11-2020 and time 08:58:02 (Italy) in region 3 km W L'Aquila (AQ)

A magnitude ML 1.8 earthquake occured in region: 3 km W L'Aquila (AQ), on

  • 19-11-2020 07:58:02 (UTC)
  • 19-11-2020 08:58:02 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.3610, 13.3680 at 11 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 3 69753 69753
Lucoli AQ 8 1011 70764
Scoppito AQ 9 3727 74491
Tornimparte AQ 10 3187 77678
Pizzoli AQ 10 4326 82004
Ocre AQ 12 1167 83171
Barete AQ 12 737 83908
Fossa AQ 12 721 84629
Poggio Picenze AQ 15 1136 85765
Sant'Eusanio Forconese AQ 15 394 86159
Cagnano Amiterno AQ 16 1369 87528
Rocca di Cambio AQ 17 533 88061
Villa Sant'Angelo AQ 17 424 88485
San Demetrio ne' Vestini AQ 18 1854 90339
Capitignano AQ 19 665 91004
Barisciano AQ 19 1828 92832

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km W of L'Aquila (69753 inhabitants)
43 Km SW of Teramo (54892 inhabitants)
63 Km E of Terni (111501 inhabitants)
64 Km NE of Tivoli (56533 inhabitants)
66 Km W of Chieti (51815 inhabitants)
66 Km NE of Guidonia Montecelio (88673 inhabitants)
66 Km W of Montesilvano (53738 inhabitants)
71 Km W of Pescara (121014 inhabitants)
86 Km SE of Foligno (57155 inhabitants)
89 Km NE of Velletri (53303 inhabitants)
90 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 1.8 2020-11-19
07:58:02		 42.3612 13.368 11 2021-02-26
14:56:17		 Bollettino Sismico Italiano INGV 86862531
Reviewed
Rev100 		ML 1.9 2020-11-19
07:58:02		 42.3652 13.3568 11 2020-11-19
08:05:17		 Sala Sismica INGV-Roma 84840921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-19 07:58:02 ± 0.07
Latitude 42.3612 ± 0.0036
Longitude 13.3680 ± 0.0061
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86862531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 481
Semi-minor axis of confidence ellipse (meter) 350
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 81
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.02788
Epicentral distance of station farthest from the epicenter (degree) 0.98746
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 84840921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-19 08:05:17

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 86862531
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-08 09:41:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2020-11-19T07:58:27.21 3.0 undecidable manual S 82.1511 0.71 0
IV.EL6.EHZ. 2020-11-19T07:58:20.83 3.0 undecidable manual P 109.6125 0.45 0
IV.GAVE.EHZ. 2020-11-19T07:58:19.27 0.6 undecidable manual S 314 53.4021 50 0.45 43
IV.MTRA.HNZ. 2020-11-19T07:58:16.51 0.3 undecidable manual S 3 43.9227 50 0.21 69
IV.CSP1.EHZ. 2020-11-19T07:58:16.09 3.0 undecidable manual P 82.1511 -0.07 0
IV.LNSS.HHZ. 2020-11-19T07:58:15.02 0.6 undecidable manual S 315 37.9287 50 0.33 45
IV.FDMO.HHZ. 2020-11-19T07:58:15.84 0.3 undecidable manual P 343 78.366 50 0.27 64
IV.MF5.EHZ. 2020-11-19T07:58:14.88 1.0 undecidable manual P 6 69.8745 50 0.61 20
IV.PTQR.HHZ. 2020-11-19T07:58:14.33 0.3 undecidable manual S 176 37.7289 50 -0.31 68
IV.T1299.EHZ. 2020-11-19T07:58:13.03 0.6 undecidable manual S 347 31.1466 50 0.16 48
IV.TERO.HHZ. 2020-11-19T07:58:13.50 0.3 undecidable manual S 34 34.8429 50 -0.38 68
IV.SMA1.EHZ. 2020-11-19T07:58:12.63 0.3 undecidable manual S 355 30.0477 50 0.05 73
IV.ARRO.EHZ. 2020-11-19T07:58:12.51 1.0 undecidable manual P 296 54.9006 50 0.55 21
IV.MC2.EHZ. 2020-11-19T07:58:12.97 0.3 undecidable manual P 347 62.7927 50 -0.2 67
IV.INTR.HHZ. 2020-11-19T07:58:12.67 0.3 undecidable manual P 131 58.6968 50 0.12 69
IV.GAVE.EHZ. 2020-11-19T07:58:11.95 0.3 undecidable manual P 314 53.4021 50 0.22 68
IV.FIAM.HNZ. 2020-11-19T07:58:10.23 0.3 undecidable manual S 243 23.0547 50 -0.49 68
IV.FAGN.HHZ. 2020-11-19T07:58:10.44 0.6 undecidable manual S 121 20.6682 50 0.36 46
IV.CAMP.HHZ. 2020-11-19T07:58:09.67 0.3 undecidable manual S 10 19.6692 119 -0.13 73
IV.MTRA.HNZ. 2020-11-19T07:58:09.94 0.3 undecidable manual P 3 43.9227 50 -0.33 67
IV.LNSS.HHZ. 2020-11-19T07:58:09.28 0.3 undecidable manual P 315 37.9287 50 -0.06 72
IV.GIGS.HJZ. 2020-11-19T07:58:09.47 0.3 undecidable manual S 59 19.6692 119 -0.32 70
IV.T0110.HHZ. 2020-11-19T07:58:09.55 0.3 undecidable manual P 113 36.5412 50 0.42 67
IV.PTQR.HHZ. 2020-11-19T07:58:09.11 0.1 undecidable manual P 176 37.7289 50 -0.2 93
IV.T1299.EHZ. 2020-11-19T07:58:08.18 0.1 undecidable manual P 347 31.1466 50 -0.11 96
IV.TERO.HHZ. 2020-11-19T07:58:08.59 0.1 undecidable manual P 34 34.8429 50 -0.28 92
IV.SMA1.EHZ. 2020-11-19T07:58:07.98 0.1 positive manual P 355 30.0477 50 -0.14 96
IV.CAMP.HHZ. 2020-11-19T07:58:06.54 0.1 positive manual P 10 19.6692 119 0.02 100
IV.GIGS.HJZ. 2020-11-19T07:58:06.49 0.1 positive manual P 59 19.6692 119 -0.03 100
IV.FIAM.HNZ. 2020-11-19T07:58:06.99 0.3 undecidable manual P 243 23.0547 50 -0.06 74
IV.FAGN.HHZ. 2020-11-19T07:58:06.99 0.1 undecidable manual P 121 20.6682 50 0.31 94
MN.AQU.HNZ. 2020-11-19T07:58:05.92 0.3 undecidable manual S 105 3.0969 164 0.01 77
MN.AQU.HNZ. 2020-11-19T07:58:04.56 0.1 undecidable manual P 105 3.0969 164 0.29 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FAGN.HHE. ML:2.4 0.001615 1.6 AML other m 2020-11-19T07:58:11.90
IV.CAMP.HHE. ML:1.7 0.0003704231 0.3392 AML other m 2020-11-19T07:58:12.20
IV.CAMP.HHN. ML:1.8 0.0005128042 0.4032 AML other m 2020-11-19T07:58:12.20
IV.FAGN.HHN. ML:2.3 0.001476575 0.32 AML other m 2020-11-19T07:58:13.24
IV.SMA1.EHE. ML:2.4 0.00112182775 0.2816 AML other m 2020-11-19T07:58:14.50
IV.SMA1.EHN. ML:2.2 0.000714 0.36 AML other m 2020-11-19T07:58:14.57
IV.PTQR.HHN. ML:1.5 0.000116 0.2 AML other m 2020-11-19T07:58:14.66
IV.PTQR.HHE. ML:1.7 0.000174 0.28 AML other m 2020-11-19T07:58:15.17
IV.TERO.HHN. ML:1.8 0.00026916174999999995 0.2368 AML other m 2020-11-19T07:58:16.12
IV.TERO.HHE. ML:1.8 0.00022988124999999998 0.2048 AML other m 2020-11-19T07:58:15.40
IV.LNSS.HHE. ML:1.7 0.0001865 1.72 AML other m 2020-11-19T07:58:18.97
IV.T0110.HHE. ML:0.0 0.00032507310000000003 0.3648 AML other m 2020-11-19T07:58:18.77
IV.LNSS.HHN. ML:1.7 0.0001930961 0.5184 AML other m 2020-11-19T07:58:16.03
IV.T0110.HHN. ML:0.0 0.0002831588 0.3968 AML other m 2020-11-19T07:58:18.55
IV.GAVE.EHN. ML:0.0 0.00011324245500000001 0.2816 AML other m 2020-11-19T07:58:22.65
IV.INTR.HHE. ML:1.4 0.000056889625 0.224 AML other m 2020-11-19T07:58:23.08
IV.GAVE.EHE. ML:0.0 0.000129441 0.1856 AML other m 2020-11-19T07:58:24.19
IV.FDMO.HHE. ML:1.4 0.000039982715 0.4352 AML other m 2020-11-19T07:58:28.76
IV.INTR.HHN. ML:1.6 0.000086240755 0.32 AML other m 2020-11-19T07:58:25.06
IV.CSP1.EHE. ML:2.0 0.0001236094 0.416 AML other m 2020-11-19T07:58:30.58
IV.CSP1.EHN. ML:2.1 0.00015911970000000001 0.3584 AML other m 2020-11-19T07:58:31.34
IV.FDMO.HHN. ML:1.6 0.00005155 0.32 AML other m 2020-11-19T07:58:32.98
IV.EL6.EHN. ML:2.0 0.00008704999999999999 0.44 AML other m 2020-11-19T07:58:41.29
IV.EL6.EHE. ML:1.8 0.00006125 1.1 AML other m 2020-11-19T07:58:42.62
IV.TERO.HNN. ML:1.8 0.0002677932 0.2176 AML other m 2020-11-19T07:58:16.12
IV.TERO.HNE. ML:1.8 0.0002510733 0.1408 AML other m 2020-11-19T07:58:16.54
IV.LNSS.HNE. ML:1.6 0.0001528157 0.224 AML other m 2020-11-19T07:58:17.87
IV.LNSS.HNN. ML:1.8 0.0002061411 0.3392 AML other m 2020-11-19T07:58:18.88
IV.MF5.EHE. ML:1.9 0.000128923535 0.4992 AML other m 2020-11-19T07:58:28.98
IV.MF5.EHN. ML:1.9 0.00012116934000000002 0.3648 AML other m 2020-11-19T07:58:26.45
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