Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 01-10-2019 and time 13:13:16 (Italy) in region 7 km N L'Aquila (AQ)

A magnitude ML 1.4 earthquake occured in region: 7 km N L'Aquila (AQ), on

  • 01-10-2019 11:13:16 (UTC)
  • 01-10-2019 13:13:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4140, 13.4020 at 10 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 7 69753 69753
Pizzoli AQ 9 4326 74079
Barete AQ 11 737 74816
Scoppito AQ 13 3727 78543
Capitignano AQ 15 665 79208
Lucoli AQ 15 1011 80219
Fossa AQ 15 721 80940
Cagnano Amiterno AQ 15 1369 82309
Poggio Picenze AQ 16 1136 83445
Ocre AQ 16 1167 84612
Tornimparte AQ 16 3187 87799
Campotosto AQ 16 542 88341
Crognaleto TE 16 1297 89638
Sant'Eusanio Forconese AQ 17 394 90032
Pietracamela TE 18 271 90303
Montereale AQ 18 2581 92884
Barisciano AQ 18 1828 94712
San Demetrio ne' Vestini AQ 19 1854 96566
Fano Adriano TE 19 296 96862
Villa Sant'Angelo AQ 20 424 97286

Municipalities with at least 50000 inhabitants

An earthquake occurred to
7 Km N of L'Aquila (69753 inhabitants)
37 Km SW of Teramo (54892 inhabitants)
62 Km W of Montesilvano (53738 inhabitants)
63 Km W of Chieti (51815 inhabitants)
64 Km E of Terni (111501 inhabitants)
67 Km W of Pescara (121014 inhabitants)
71 Km NE of Tivoli (56533 inhabitants)
72 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km SE of Foligno (57155 inhabitants)
95 Km NE of Roma (2864731 inhabitants)
96 Km NE of Velletri (53303 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 1.4 2019-10-01
11:13:16		 42.4142 13.4022 10 2020-02-28
16:42:18		 Bollettino Sismico Italiano INGV 75337641
Reviewed
Rev100 		ML 1.4 2019-10-01
11:13:16		 42.4215 13.4027 10 2019-10-01
11:23:15		 Sala Sismica INGV-Roma 72951121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-01 11:13:16 ± 0.07
Latitude 42.4142 ± 0.0036
Longitude 13.4022 ± 0.0061
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 75337641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 478
Semi-minor axis of confidence ellipse (meter) 359
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 69
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) 69
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.69248
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 72951121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-01 11:23:15

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 75337641
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-06 17:08:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SBPO.HNZ. 2019-10-01T11:14:53.19 3.0 undecidable manual Sg 4.32 0
MN.TRI.HHZ. 2019-10-01T11:14:52.02 3.0 undecidable manual Sg 0.78 0
CR.STON.BHZ. 2019-10-01T11:14:44.58 3.0 undecidable manual Sn -3.92 0
IV.ECTS.EHZ. 2019-10-01T11:14:41.78 3.0 undecidable manual Pg 12.17 0
IV.HPAC.HHZ. 2019-10-01T11:14:39.20 3.0 positive manual Pn -5.83 0
IV.PII.HHZ. 2019-10-01T11:14:35.78 3.0 undecidable manual Sg 4.05 0
GU.ENR.HHZ. 2019-10-01T11:14:29.28 3.0 undecidable manual Pn -0.72 0
IV.TREG.HNZ. 2019-10-01T11:14:20.92 3.0 undecidable manual Pg 7.93 0
CR.ZAG.BHZ. 2019-10-01T11:14:13.38 3.0 undecidable manual Pn -4.58 0
IV.NDIM.HNZ. 2019-10-01T11:14:13.35 3.0 undecidable manual Pg 6.29 0
IV.PII.HHZ. 2019-10-01T11:14:02.31 3.0 undecidable manual Pg 3.2 0
OT.OT14.EHZ. 2019-10-01T11:13:54.57 3.0 undecidable manual Pg 3.43 0
IT.FIE.HGZ. 2019-10-01T11:13:50.96 3.0 undecidable manual Pn -2.58 0
IV.PTRJ.HHZ. 2019-10-01T11:13:43.08 3.0 undecidable manual P -0.15 0
IV.APEC.HHZ. 2019-10-01T11:13:39.13 3.0 undecidable manual P -4.36 0
IV.LPEL.HHZ. 2019-10-01T11:13:37.61 3.0 undecidable manual S -5.74 0
IV.NRCA.HHZ. 2019-10-01T11:13:33.71 0.6 undecidable manual S 333 52.1034 50 0.52 42
IV.LNSS.HNZ. 2019-10-01T11:13:30.02 0.6 undecidable manual S 305 36.2415 50 1.07 34
IV.CSP1.EHZ. 2019-10-01T11:13:29.98 0.3 undecidable manual P 348 76.8675 50 0 67
IV.MTRA.EHE. 2019-10-01T11:13:29.26 0.6 undecidable manual S 359 38.0286 50 -0.16 46
IV.MF5.EHZ. 2019-10-01T11:13:28.16 0.6 undecidable manual P 4 63.7917 50 0.2 44
IV.MC2.EHZ. 2019-10-01T11:13:27.13 0.3 undecidable manual P 343 57.7977 50 0.09 68
IV.FIAM.HHZ. 2019-10-01T11:13:26.77 0.3 undecidable manual S 235 28.4493 50 -0.1 72
IV.NRCA.HHZ. 2019-10-01T11:13:26.05 0.1 undecidable manual P 333 52.1034 50 -0.11 92
IV.T1299.HNZ. 2019-10-01T11:13:26.28 0.6 undecidable manual S 338 26.3514 50 -0.02 49
IV.SMA1.EHZ. 2019-10-01T11:13:26.10 0.3 undecidable manual S 347 24.6531 112 0.34 69
IV.TERO.HHZ. 2019-10-01T11:13:26.43 0.3 undecidable manual S 35 28.4493 50 -0.44 67
IV.FAGN.HHZ. 2019-10-01T11:13:25.76 0.3 undecidable manual S 138 22.1556 114 0.78 60
IV.LNSS.HNZ. 2019-10-01T11:13:23.68 0.3 undecidable manual P 305 36.2415 50 -0.03 72
IV.RM33.EHZ. 2019-10-01T11:13:23.84 0.1 undecidable manual S 304 18.6702 118 -0.03 99
IV.MTRA.EHE. 2019-10-01T11:13:23.70 0.3 undecidable manual P 359 38.0286 50 -0.29 68
IV.T0110.HHZ. 2019-10-01T11:13:23.93 0.3 undecidable manual P 124 36.9297 50 0.12 71
IV.TERO.HHZ. 2019-10-01T11:13:22.25 0.1 undecidable manual P 35 28.4493 50 -0.26 93
IV.FIAM.HHZ. 2019-10-01T11:13:22.35 0.3 undecidable manual P 235 28.4493 50 -0.16 71
IV.CAMP.HHZ. 2019-10-01T11:13:22.49 0.3 undecidable manual S 2 13.4754 126 0.13 73
IV.T1299.HNZ. 2019-10-01T11:13:22.14 0.1 undecidable manual P 338 26.3514 50 -0.04 97
IV.GIGS.HHZ. 2019-10-01T11:13:22.65 0.1 undecidable manual S 73 14.6742 124 -0.03 99
IV.SMA1.EHZ. 2019-10-01T11:13:21.68 0.3 undecidable manual P 347 24.6531 112 -0.19 71
IV.FAGN.HHZ. 2019-10-01T11:13:21.81 0.1 undecidable manual P 138 22.1556 114 0.39 91
MN.AQU.HHZ. 2019-10-01T11:13:20.08 0.3 undecidable manual S 178 6.6933 146 -0.61 66
IV.GIGS.HHZ. 2019-10-01T11:13:20.07 0.1 undecidable manual P 73 14.6742 124 -0.02 100
IV.RM33.EHZ. 2019-10-01T11:13:20.81 0.1 undecidable manual P 304 18.6702 118 0.03 99
IV.CAMP.HHZ. 2019-10-01T11:13:19.92 0.1 undecidable manual P 2 13.4754 126 0.01 100
MN.AQU.HHZ. 2019-10-01T11:13:18.68 0.1 undecidable manual P 178 6.6933 146 -0.26 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GIGS.HHE. ML:1.4 0.00024147025 0.1984 AML other m 2019-10-01T11:13:22.89
IV.GIGS.HHN. ML:1.2 0.0001582242 0.1984 AML other m 2019-10-01T11:13:22.94
IV.RM33.EHE. ML:1.4 0.00022556475 0.2048 AML other m 2019-10-01T11:13:25.28
IV.CAMP.HHE. ML:1.3 0.0001955706 0.64 AML other m 2019-10-01T11:13:25.27
IV.SMA1.EHE. ML:1.4 0.00015060709999999998 0.1792 AML other m 2019-10-01T11:13:26.76
IV.CAMP.HHN. ML:1.3 0.00018801 0.48 AML other m 2019-10-01T11:13:26.79
IV.SMA1.EHN. ML:1.5 0.00018890689999999998 1.6032 AML other m 2019-10-01T11:13:26.08
IV.RM33.HNN. ML:1.4 0.00018976336500000002 0.352 AML other m 2019-10-01T11:13:27.30
IV.FAGN.HHN. ML:1.8 0.00043004910000000004 0.3456 AML other m 2019-10-01T11:13:27.87
IV.FAGN.HHE. ML:1.9 0.00049242555 1.6992 AML other m 2019-10-01T11:13:27.11
IV.TERO.HHE. ML:1.6 0.00017988660000000002 0.2624 AML other m 2019-10-01T11:13:28.24
IV.FIAM.HHN. ML:1.1 0.00006726796 0.3008 AML other m 2019-10-01T11:13:28.39
IV.RM33.EHN. ML:1.3 0.0001733426 1.2384 AML other m 2019-10-01T11:13:29.07
IV.TERO.HHN. ML:1.5 0.00015570475 0.3776 AML other m 2019-10-01T11:13:29.35
IV.RM33.HNE. ML:1.5 0.0002340737 1.5072 AML other m 2019-10-01T11:13:29.80
IV.FIAM.HHE. ML:1.1 0.00006788866 0.48 AML other m 2019-10-01T11:13:30.29
IV.NRCA.HHE. ML:1.6 0.0001057713 0.2176 AML other m 2019-10-01T11:13:34.15
IV.T0110.HHE. ML:1.6 0.000142221 0.32 AML other m 2019-10-01T11:13:35.93
IV.NRCA.HHN. ML:1.2 0.00004083959500000001 0.1216 AML other m 2019-10-01T11:13:36.40
IV.T0110.HHN. ML:1.6 0.00014360835 0.3392 AML other m 2019-10-01T11:13:36.93
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