Earthquake with magnitude of ML 1.5 on date 12-04-2017 and time 13:30:28 (Italy) in region 1 km NW L'Aquila (AQ)

A magnitude ML 1.5 earthquake occured in region: 1 km NW L'Aquila (AQ), on

  • 12-04-2017 11:30:28 (UTC)
  • 12-04-2017 13:30:28 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.36, 13.39 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.

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 1 69753 69753
Lucoli AQ 9 1011 70764
Tornimparte AQ 11 3187 73951
Scoppito AQ 11 3727 77678
Ocre AQ 11 1167 78845
Fossa AQ 11 721 79566
Pizzoli AQ 12 4326 83892
Poggio Picenze AQ 13 1136 85028
Barete AQ 14 737 85765
Sant'Eusanio Forconese AQ 14 394 86159
Villa Sant'Angelo AQ 16 424 86583
Rocca di Cambio AQ 16 533 87116
San Demetrio ne' Vestini AQ 16 1854 88970
Barisciano AQ 17 1828 90798
Cagnano Amiterno AQ 18 1369 92167
Fagnano Alto AQ 19 418 92585
Capitignano AQ 19 665 93250
Rocca di Mezzo AQ 20 1526 94776

Municipalities with at least 50000 inhabitants

An earthquake occurred to
1 Km NW of L'Aquila (69753 inhabitants)
42 Km SW of Teramo (54892 inhabitants)
64 Km W of Chieti (51815 inhabitants)
65 Km W of Montesilvano (53738 inhabitants)
65 Km E of Terni (111501 inhabitants)
66 Km NE of Tivoli (56533 inhabitants)
68 Km NE of Guidonia Montecelio (88673 inhabitants)
69 Km W of Pescara (121014 inhabitants)
87 Km SE of Foligno (57155 inhabitants)
90 Km NE of Velletri (53303 inhabitants)
91 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
Rev 1000 ML 1.5 2017-04-12
11:30:28
42.36 13.39 10 2019-07-19
13:21:05
Bollettino Sismico Italiano INGV 64877671
Rev 100 ML 1.6 2017-04-12
11:30:28
42.36 13.39 9 2017-04-12
11:36:40
Sala Sismica INGV-Roma 43766751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-04-12 11:30:28 ± 0.04
Latitude 42.36 ± 0.00
Longitude 13.39 ± 0.00
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 64877671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 278
Semi-minor axis of confidence ellipse (meter) 120
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 53
Circular confidence region, given by single value of horizontal uncertainty (meter) 280
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 37
Number of associated phases, regardless of their use for origin computation 61
Number of defining phases 56
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
Epicentral distance of station farthest from the epicenter (degree) 0.57017
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 43766751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-04-12 11:36:40

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 49
Type of magnitude ML
Reference to an origin 64877671
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-01-23 14:34:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.VBKN.HHZ. 2017-04-12T11:31:20.10 3.0 undecidable manual Sn -0.46 0
IV.PTRJ.HHZ. 2017-04-12T11:31:11.03 3.0 undecidable manual S 0.44 0
IV.CAFE.HHZ. 2017-04-12T11:31:06.49 3.0 undecidable manual Pg 5.88 0
IV.LAV9.HHZ. 2017-04-12T11:30:55.89 3.0 undecidable manual S -2.99 0
IV.FDMO.HHZ. 2017-04-12T11:30:52.01 3.0 undecidable manual S -2.44 0
IV.MC2.EHZ. 2017-04-12T11:30:48.95 0.6 undecidable manual S 345 0.5702 50 0.45 42
IV.INTR.HHZ. 2017-04-12T11:30:47.26 0.3 undecidable manual S 132 0.5162 50 0.36 65
IV.MMO1.EHZ. 2017-04-12T11:30:47.84 0.3 undecidable manual S 355 0.5414 50 0.21 66
IV.T1217.EHZ. 2017-04-12T11:30:46.41 0.3 undecidable manual S 316 0.4874 50 0.38 65
IV.T1241.EHZ. 2017-04-12T11:30:46.52 0.3 undecidable manual S 4 0.4973 50 0.19 67
IV.NRCA.HHZ. 2017-04-12T11:30:46.81 0.3 undecidable manual S 337 0.5144 50 -0.04 69
IV.CERT.HHZ. 2017-04-12T11:30:46.87 0.6 undecidable manual S 216 0.5099 50 0.18 45
IV.ARRO.EHZ. 2017-04-12T11:30:46.63 0.6 undecidable manual S 296 0.509 50 -0.05 46
IV.VVLD.HHZ. 2017-04-12T11:30:46.64 0.3 undecidable manual S 160 0.5198 50 -0.35 65
IV.T1212.EHZ. 2017-04-12T11:30:45.70 0.3 undecidable manual S 327 0.4667 50 0.28 66
IV.T1214.EHZ. 2017-04-12T11:30:44.21 0.3 undecidable manual S 342 0.4209 50 0.14 69
IV.T1211.EHZ. 2017-04-12T11:30:44.43 0.3 undecidable manual S 294 0.4299 50 0.09 70
IV.T1218.EHZ. 2017-04-12T11:30:42.28 0.3 undecidable manual S 327 0.3696 50 -0.27 68
IV.LNSS.HHZ. 2017-04-12T11:30:42.20 0.3 undecidable manual S 313 0.3534 50 0.12 70
IV.PTQR.HHZ. 2017-04-12T11:30:41.28 0.3 undecidable manual S 179 0.3381 50 -0.32 68
IV.T0110.HHZ. 2017-04-12T11:30:41.31 0.3 undecidable manual S 114 0.3148 50 0.4 67
IV.VCEL.EHZ. 2017-04-12T11:30:41.92 0.3 undecidable manual S 84 0.3354 50 0.4 67
IV.MC2.EHZ. 2017-04-12T11:30:40.36 0.1 undecidable manual P 345 0.5702 50 0.18 89
IV.TERO.HHZ. 2017-04-12T11:30:39.96 0.3 undecidable manual S 31 0.3067 50 -0.73 60
IV.ARRO.EHZ. 2017-04-12T11:30:39.05 0.1 undecidable manual P 296 0.509 50 -0.08 92
IV.MMO1.EHZ. 2017-04-12T11:30:39.75 0.3 undecidable manual P 355 0.5414 50 0.07 68
IV.T1299.EHZ. 2017-04-12T11:30:39.94 0.3 undecidable manual S 344 0.2851 50 -0.11 71
IV.VVLD.HHZ. 2017-04-12T11:30:39.25 0.1 undecidable manual P 160 0.5198 50 -0.06 92
IV.INTR.HHZ. 2017-04-12T11:30:39.20 0.1 undecidable manual P 132 0.5162 50 -0.06 92
IV.T1222.EHZ. 2017-04-12T11:30:39.07 0.3 undecidable manual S 279 0.2635 50 -0.33 68
IV.SMA1.EHZ. 2017-04-12T11:30:39.62 0.3 undecidable manual S 352 0.2734 50 -0.08 72
IV.NRCA.HHZ. 2017-04-12T11:30:39.05 0.1 undecidable manual P 337 0.5144 50 -0.18 90
IV.CERT.HHZ. 2017-04-12T11:30:39.55 0.3 undecidable manual P 216 0.5099 50 0.41 64
IV.T1212.EHZ. 2017-04-12T11:30:38.09 0.1 undecidable manual P 327 0.4667 50 -0.31 88
IV.T1217.EHZ. 2017-04-12T11:30:38.67 0.1 undecidable manual P 316 0.4874 50 -0.09 92
IV.T1241.EHZ. 2017-04-12T11:30:38.89 0.1 undecidable manual P 4 0.4973 50 -0.04 93
IV.T1246.HHN. 2017-04-12T11:30:38.02 0.3 undecidable manual S 19 0.2365 110 -0.49 67
IV.RM33.EHZ. 2017-04-12T11:30:37.12 0.3 undecidable manual S 319 0.197 114 0.01 74
IV.T1211.EHZ. 2017-04-12T11:30:37.83 0.1 undecidable manual P 294 0.4299 50 0.05 94
IV.FIAM.HHZ. 2017-04-12T11:30:37.64 0.3 undecidable manual S 246 0.2212 111 -0.32 69
IV.T1214.EHZ. 2017-04-12T11:30:37.70 0.1 undecidable manual P 342 0.4209 50 0.08 93
IV.VCEL.EHZ. 2017-04-12T11:30:36.04 0.1 undecidable manual P 84 0.3354 50 -0.12 94
IV.T1218.EHZ. 2017-04-12T11:30:36.46 0.1 undecidable manual P 327 0.3696 50 -0.29 90
IV.FAGN.HHZ. 2017-04-12T11:30:36.47 0.3 undecidable manual S 123 0.1718 117 0.24 71
IV.LNSS.HHZ. 2017-04-12T11:30:36.42 0.1 undecidable manual P 313 0.3534 50 -0.05 95
IV.SMA1.EHZ. 2017-04-12T11:30:35.23 0.1 undecidable manual P 352 0.2734 50 0.13 95
IV.TERO.HHZ. 2017-04-12T11:30:35.27 0.1 positive manual P 31 0.3067 50 -0.4 89
IV.PTQR.HHZ. 2017-04-12T11:30:35.99 0.3 undecidable manual P 179 0.3381 50 -0.21 69
IV.GIGS.HHZ. 2017-04-12T11:30:35.95 0.3 undecidable manual S 55 0.1646 118 -0.03 74
IV.T1299.EHZ. 2017-04-12T11:30:35.44 0.1 undecidable manual P 344 0.2851 50 0.14 95
IV.T0110.HHZ. 2017-04-12T11:30:35.78 0.1 positive manual P 114 0.3148 50 -0.02 96
IV.T1246.HHN. 2017-04-12T11:30:34.20 0.1 positive manual P 19 0.2365 110 -0.21 94
IV.T1247.HHZ. 2017-04-12T11:30:34.41 0.3 undecidable manual S 321 0.1052 129 0.33 71
IV.FIAM.HHZ. 2017-04-12T11:30:34.13 0.1 positive manual P 246 0.2212 111 0.04 98
IV.T1222.EHZ. 2017-04-12T11:30:34.95 0.1 undecidable manual P 279 0.2635 50 0.02 97
IV.FAGN.HHZ. 2017-04-12T11:30:33.22 0.1 undecidable manual P 123 0.1718 117 0.12 97
IV.RM33.EHZ. 2017-04-12T11:30:33.77 0.1 negative manual P 319 0.197 114 0.17 96
IV.GIGS.HHZ. 2017-04-12T11:30:33.03 0.1 positive manual P 55 0.1646 118 0.08 98
IV.T1247.HHZ. 2017-04-12T11:30:32.28 0.1 positive manual P 321 0.1052 129 0.43 92
MN.AQU.HHZ. 2017-04-12T11:30:31.83 0.3 undecidable manual S 116 0.0135 171 -0.37 71
MN.AQU.HHZ. 2017-04-12T11:30:30.89 0.1 negative manual P 116 0.0135 171 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1212.EHE. ML:1.3 4.995E-5 0.6 AML other m 2017-04-12T11:30:53.65
MN.AQU.HLN. ML:2.5 0.005705 1.64 AML other m 2017-04-12T11:30:31.92
MN.AQU.HHE. ML:2.5 0.005845 1.66 AML other m 2017-04-12T11:30:31.92
MN.AQU.HLE. ML:2.4 0.00522 1.72 AML other m 2017-04-12T11:30:31.92
IV.T1247.HHE. ML:2.4 0.002885 0.12 AML other m 2017-04-12T11:30:34.79
IV.T1247.HHN. ML:2.4 0.00275 1.24 AML other m 2017-04-12T11:30:35.81
IV.GIGS.HHE. ML:1.3 0.000168 1.54 AML other m 2017-04-12T11:30:36.10
IV.GIGS.HHN. ML:1.4 0.0001945 1.12 AML other m 2017-04-12T11:30:36.69
IV.FAGN.HHN. ML:2.2 0.00122 1.26 AML other m 2017-04-12T11:30:37.83
IV.RM33.EHN. ML:1.8 0.0004625 1.18 AML other m 2017-04-12T11:30:37.35
IV.FIAM.HHE. ML:2 0.000645 1.66 AML other m 2017-04-12T11:30:38.09
IV.FIAM.HHN. ML:1.9 0.0005245 0.72 AML other m 2017-04-12T11:30:39.10
IV.RM33.EHE. ML:1.7 0.000369 0.54 AML other m 2017-04-12T11:30:39.37
IV.T1222.EHN. ML:1.6 0.0001945 0.46 AML other m 2017-04-12T11:30:40.93
IV.T1222.EHE. ML:1.8 0.0003075 1.54 AML other m 2017-04-12T11:30:40.02
IV.FAGN.HHE. ML:2.2 0.001365 0.44 AML other m 2017-04-12T11:30:40.99
IV.PTQR.HHE. ML:1.2 6.44E-5 1.14 AML other m 2017-04-12T11:30:41.99
IV.TERO.HHE. ML:1.6 0.0001615 1.54 AML other m 2017-04-12T11:30:42.85
IV.SMA1.EHE. ML:1.6 0.000191 0.34 AML other m 2017-04-12T11:30:42.33
IV.T1299.EHE. ML:1.4 0.0001265 0.62 AML other m 2017-04-12T11:30:42.51
IV.T1299.EHN. ML:1.4 0.000114 0.28 AML other m 2017-04-12T11:30:43.14
IV.T0110.HHN. ML:1.7 0.0002145 0.54 AML other m 2017-04-12T11:30:43.30
IV.TERO.HHN. ML:1.5 0.0001175 1.06 AML other m 2017-04-12T11:30:44.59
IV.SMA1.EHN. ML:1.4 0.0001078 0.68 AML other m 2017-04-12T11:30:44.67
IV.T0110.HHE. ML:1.8 0.000258 0.24 AML other m 2017-04-12T11:30:44.49
IV.VCEL.EHN. ML:1.8 0.000238 1.26 AML other m 2017-04-12T11:30:45.85
IV.PTQR.HHN. ML:1.1 5.225E-5 1.4 AML other m 2017-04-12T11:30:45.29
IV.VCEL.EHE. ML:1.8 0.0002625 0.26 AML other m 2017-04-12T11:30:45.47
IV.T1212.EHN. ML:1.3 4.945E-5 0.1 AML other m 2017-04-12T11:30:46.83
IV.NRCA.HHE. ML:1.7 0.000122 0.62 AML other m 2017-04-12T11:30:47.59
IV.NRCA.HHN. ML:1.7 0.0001175 0.08 AML other m 2017-04-12T11:30:47.65
IV.INTR.HHN. ML:1.7 0.0001085 0.26 AML other m 2017-04-12T11:30:48.25
IV.ARRO.EHE. ML:1.1 3.235E-5 1.58 AML other m 2017-04-12T11:30:48.14
IV.T1211.EHE. ML:1.3 4.877E-5 0.98 AML other m 2017-04-12T11:30:49.63
IV.INTR.HHE. ML:1.4 5.08E-5 1.02 AML other m 2017-04-12T11:30:50.77
IV.T1211.EHN. ML:1.4 7.555E-5 0.42 AML other m 2017-04-12T11:30:50.67
IV.ARRO.EHN. ML:1.2 3.845E-5 0.98 AML other m 2017-04-12T11:30:52.88
IV.RM33.HNN. ML:1.8 0.0004775808 0.1664 AML other m 2017-04-12T11:30:38.35
IV.RM33.HNE. ML:1.7 0.0003272224 0.16 AML other m 2017-04-12T11:30:38.01
IV.T1222.HNN. ML:1.5 0.00017012255 0.256 AML other m 2017-04-12T11:30:40.83
IV.T1222.HNE. ML:1.8 0.00030171715 0.2368 AML other m 2017-04-12T11:30:40.67
IV.TERO.HNN. ML:1.3 8.4124475E-5 0.1024 AML other m 2017-04-12T11:30:42.93
IV.TERO.HNE. ML:1.5 0.000128865855 0.1024 AML other m 2017-04-12T11:30:40.81
IV.T1299.HNE. ML:1.4 0.00011362965 0.2048 AML other m 2017-04-12T11:30:41.15
IV.T1218.EHE. ML:1.3 6.3081155E-5 0.16 AML other m 2017-04-12T11:30:45.06
IV.T1218.EHN. ML:1.4 8.4649605E-5 0.192 AML other m 2017-04-12T11:30:46.12
IV.T1218.HNN. ML:1.6 0.00012474155 0.416 AML other m 2017-04-12T11:30:48.29
IV.T1214.EHN. ML:1.2 4.3266442E-5 0.3648 AML other m 2017-04-12T11:30:49.59
IV.T1214.EHE. ML:1.3 5.6504585E-5 0.2432 AML other m 2017-04-12T11:30:49.14
IV.T1211.HNE. ML:1.3 5.089496E-5 0.1728 AML other m 2017-04-12T11:30:46.54
IV.T1241.EHE. ML:1 2.7453885E-5 0.1792 AML other m 2017-04-12T11:30:48.54
IV.CERT.HHN. ML:1 2.566888E-5 0.2176 AML other m 2017-04-12T11:30:48.76
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