Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 14-04-2018 and time 02:06:36 (Italy) in region 6 km E L'Aquila (AQ)

A magnitude ML 1.0 earthquake occured in region: 6 km E L'Aquila (AQ), on

  • 14-04-2018 00:06:36 (UTC)
  • 14-04-2018 02:06:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3630, 13.4700 at 20 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 6 69753 69753
Poggio Picenze AQ 8 1136 70889
Fossa AQ 8 721 71610
Ocre AQ 9 1167 72777
Sant'Eusanio Forconese AQ 9 394 73171
Barisciano AQ 11 1828 74999
San Demetrio ne' Vestini AQ 11 1854 76853
Villa Sant'Angelo AQ 12 424 77277
Lucoli AQ 13 1011 78288
Rocca di Cambio AQ 14 533 78821
Prata d'Ansidonia AQ 15 496 79317
Santo Stefano di Sessanio AQ 15 111 79428
Fagnano Alto AQ 15 418 79846
Tornimparte AQ 16 3187 83033
Pizzoli AQ 17 4326 87359
San Pio delle Camere AQ 18 661 88020
Scoppito AQ 18 3727 91747
Rocca di Mezzo AQ 18 1526 93273
Barete AQ 18 737 94010
Fontecchio AQ 18 369 94379
Carapelle Calvisio AQ 19 87 94466
Calascio AQ 19 137 94603
Castelvecchio Calvisio AQ 19 153 94756
Pietracamela TE 19 271 95027

Municipalities with at least 50000 inhabitants

An earthquake occurred to
6 Km E of L'Aquila (69753 inhabitants)
38 Km SW of Teramo (54892 inhabitants)
57 Km W of Chieti (51815 inhabitants)
58 Km W of Montesilvano (53738 inhabitants)
62 Km W of Pescara (121014 inhabitants)
71 Km NE of Tivoli (56533 inhabitants)
71 Km E of Terni (111501 inhabitants)
73 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km SE of Foligno (57155 inhabitants)
94 Km NE of Velletri (53303 inhabitants)
97 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 1.0 2018-04-14
00:06:36		 42.3628 13.4697 20 2019-04-24
14:49:25		 Bollettino Sismico Italiano INGV 55696751
Reviewed
Rev100 		ML 1.0 2018-04-14
00:06:37		 42.3627 13.4758 19 2018-04-14
00:13:08		 Sala Sismica INGV-Roma 55581711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-04-14 00:06:36 ± 0.06
Latitude 42.3628 ± 0.0027
Longitude 13.4697 ± 0.0037
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 55696751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 356
Semi-minor axis of confidence ellipse (meter) 100
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 233
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54679
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 55581711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-04-14 00:13:08

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 55696751
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-04-16 13:28:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CFMN.HHZ. 2018-04-14T00:07:18.32 3.0 undecidable manual Sn -0.01 0
IV.APRC.HHZ. 2018-04-14T00:07:04.64 3.0 undecidable manual Pg 4.07 0
IV.MMO1.EHN. 2018-04-14T00:06:56.26 0.6 undecidable manual S 349 60.6948 101 0.51 42
IV.NRCA.HHZ. 2018-04-14T00:06:55.64 0.6 undecidable manual S 331 59.6958 101 0.12 46
IV.INTR.HHZ. 2018-04-14T00:06:53.23 0.3 undecidable manual S 137 52.9026 103 -0.49 65
IV.MTRA.EHZ. 2018-04-14T00:06:51.31 0.3 undecidable manual S 352 44.1225 106 -0.14 69
IV.LNSS.HHE. 2018-04-14T00:06:51.66 0.3 undecidable manual S 307 44.1225 106 0.22 69
IV.PTQR.HHN. 2018-04-14T00:06:50.06 0.6 undecidable manual S 189 38.2284 109 0.1 47
IV.VCEL.EHZ. 2018-04-14T00:06:48.57 0.6 undecidable manual S 83 30.6471 115 0.5 43
IV.SMA1.EHZ. 2018-04-14T00:06:48.20 0.3 undecidable manual S 340 31.6461 114 -0.12 71
IV.T1299.EHZ. 2018-04-14T00:06:48.75 0.3 undecidable manual S 333 33.744 112 -0.1 71
IV.NRCA.HHZ. 2018-04-14T00:06:47.43 0.3 undecidable manual P 331 59.6958 101 -0.21 67
IV.TERO.HHZ. 2018-04-14T00:06:47.90 0.3 undecidable manual S 21 30.8469 115 -0.23 69
IV.MMO1.EHN. 2018-04-14T00:06:47.96 1.0 undecidable manual P 349 60.6948 101 0.19 22
IV.FIAM.HHN. 2018-04-14T00:06:47.91 0.6 undecidable manual S 250 30.747 115 -0.19 47
IV.T0110.HHZ. 2018-04-14T00:06:47.83 0.3 undecidable manual S 120 29.1486 116 0.1 71
IV.INTR.HHZ. 2018-04-14T00:06:46.36 0.1 undecidable manual P 137 52.9026 103 -0.24 91
IV.RM33.EHZ. 2018-04-14T00:06:46.96 0.3 undecidable manual S 308 26.4513 119 -0.12 71
IV.MTRA.EHZ. 2018-04-14T00:06:45.17 0.1 undecidable manual P 352 44.1225 106 -0.12 93
IV.CAMP.HHN. 2018-04-14T00:06:45.57 0.3 undecidable manual S 346 19.869 129 -0.03 73
IV.LNSS.HHE. 2018-04-14T00:06:45.28 0.1 undecidable manual P 307 44.1225 106 -0.01 95
IV.T1247.HHZ. 2018-04-14T00:06:45.16 0.3 undecidable manual S 302 16.5723 135 0.22 73
IV.GIGS.HHZ. 2018-04-14T00:06:44.07 0.3 undecidable manual S 40 13.0758 142 -0.27 71
IV.PTQR.HHN. 2018-04-14T00:06:44.47 0.6 undecidable manual P 189 38.2284 109 0.04 47
IV.FAGN.HHZ. 2018-04-14T00:06:44.28 0.6 undecidable manual S 139 14.2746 139 -0.25 48
IV.FIAM.HHN. 2018-04-14T00:06:43.23 0.3 undecidable manual P 250 30.747 115 -0.13 72
IV.T0110.HHZ. 2018-04-14T00:06:43.19 0.1 negative manual P 120 29.1486 116 0.05 96
IV.T1299.EHZ. 2018-04-14T00:06:43.93 0.1 undecidable manual P 333 33.744 112 0.14 95
IV.TERO.HHZ. 2018-04-14T00:06:43.40 0.1 positive manual P 21 30.8469 115 0.03 97
IV.VCEL.EHZ. 2018-04-14T00:06:43.73 0.1 undecidable manual P 83 30.6471 115 0.39 89
IV.SMA1.EHZ. 2018-04-14T00:06:43.50 0.1 undecidable manual P 340 31.6461 114 0.01 97
IV.RM33.EHZ. 2018-04-14T00:06:42.78 0.1 undecidable manual P 308 26.4513 119 0.02 98
IV.CAMP.HHN. 2018-04-14T00:06:42.06 0.1 undecidable manual P 346 19.869 129 0.14 97
IV.GIGS.HHZ. 2018-04-14T00:06:41.23 0.1 positive manual P 40 13.0758 142 0.05 100
IV.FAGN.HHZ. 2018-04-14T00:06:41.23 0.1 negative manual P 139 14.2746 139 -0.07 100
IV.T1247.HHZ. 2018-04-14T00:06:41.70 0.1 undecidable manual P 302 16.5723 135 0.17 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GIGS.HHE. ML:0.6 0.0000322 0.22 AML other m 2018-04-14T00:06:44.27
IV.GIGS.HHN. ML:0.9 0.0000557 0.18 AML other m 2018-04-14T00:06:44.27
IV.FAGN.HHN. ML:1.1 0.0000864 1.76 AML other m 2018-04-14T00:06:44.00
IV.FAGN.HHE. ML:1.0 0.00005824999999999999 0.2 AML other m 2018-04-14T00:06:45.69
IV.RM33.EHE. ML:1.0 0.00003755 0.76 AML other m 2018-04-14T00:06:48.16
IV.RM33.EHN. ML:0.8 0.0000281 0.74 AML other m 2018-04-14T00:06:48.51
IV.TERO.HHN. ML:0.7 0.000021150000000000002 0.26 AML other m 2018-04-14T00:06:48.42
IV.TERO.HHE. ML:0.7 0.0000193 0.72 AML other m 2018-04-14T00:06:48.22
IV.SMA1.EHE. ML:0.9 0.00002895 1 AML other m 2018-04-14T00:06:48.68
IV.SMA1.EHN. ML:0.9 0.00003085 0.78 AML other m 2018-04-14T00:06:48.31
IV.T0110.HHN. ML:1.1 0.00005135 1.4 AML other m 2018-04-14T00:06:49.07
IV.T0110.HHE. ML:1.1 0.000054800000000000004 0.66 AML other m 2018-04-14T00:06:49.21
IV.VCEL.EHN. ML:1.3 0.00008325 1.4 AML other m 2018-04-14T00:06:50.08
IV.VCEL.EHE. ML:1.1 0.00005385 1.38 AML other m 2018-04-14T00:06:50.14
IV.MTRA.EHE. ML:1.3 0.000054800000000000004 0.2 AML other m 2018-04-14T00:06:51.69
IV.MTRA.EHN. ML:1.1 0.00003315 0.86 AML other m 2018-04-14T00:06:51.46
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