Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 27-12-2017 and time 00:22:23 (UTC) in region 9 km N L'Aquila (AQ)

A magnitude ML 2.0 earthquake occured in region: 9 km N L'Aquila (AQ), on

  • 27-12-2017 00:22:23 (UTC)
  • 27-12-2017 01:22:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4320, 13.4180 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 9 69753 69753
Pizzoli AQ 10 4326 74079
Barete AQ 11 737 74816
Capitignano AQ 14 665 75481
Crognaleto TE 14 1297 76778
Campotosto AQ 15 542 77320
Scoppito AQ 15 3727 81047
Pietracamela TE 15 271 81318
Poggio Picenze AQ 16 1136 82454
Cagnano Amiterno AQ 16 1369 83823
Fossa AQ 16 721 84544
Fano Adriano TE 17 296 84840
Lucoli AQ 17 1011 85851
Ocre AQ 17 1167 87018
Montereale AQ 18 2581 89599
Sant'Eusanio Forconese AQ 18 394 89993
Tornimparte AQ 18 3187 93180
Barisciano AQ 18 1828 95008
San Demetrio ne' Vestini AQ 20 1854 96862

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km N of L'Aquila (69753 inhabitants)
35 Km SW of Teramo (54892 inhabitants)
61 Km W of Montesilvano (53738 inhabitants)
62 Km W of Chieti (51815 inhabitants)
65 Km E of Terni (111501 inhabitants)
65 Km W of Pescara (121014 inhabitants)
73 Km NE of Tivoli (56533 inhabitants)
74 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km SE of Foligno (57155 inhabitants)
98 Km NE of Roma (2864731 inhabitants)
98 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 2.0 2017-12-27
00:22:23		 42.432 13.4182 10 2019-03-25
14:09:22		 Bollettino Sismico Italiano INGV 62109041
Reviewed
Rev100 		ML 2.1 2017-12-27
00:22:23		 42.4328 13.4118 9 2017-12-27
00:41:55		 Sala Sismica INGV-Roma 52836851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-12-27 00:22:23 ± 0.06
Latitude 42.4320 ± 0.0036
Longitude 13.4182 ± 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 62109041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 519
Semi-minor axis of confidence ellipse (meter) 159
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 242
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
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 53
Number of defining phases 53
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.07824
Epicentral distance of station farthest from the epicenter (degree) 1.12055
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 66
Type of magnitude ML
Reference to an origin 52836851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-12-27 00:41:55

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 72
Type of magnitude ML
Reference to an origin 62109041
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-10-19 10:52:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2017-12-27T00:22:46.84 0.6 undecidable manual S 347 75.2691 50 0.75 37
IV.GUMA.HHZ. 2017-12-27T00:22:46.29 0.6 undecidable manual S 355 70.2741 50 1.52 26
IV.LPEL.HHZ. 2017-12-27T00:22:46.93 0.6 undecidable manual S 124 75.9684 50 0.64 39
IV.FDMO.HHZ. 2017-12-27T00:22:45.74 0.3 undecidable manual S 338 72.2721 50 0.44 63
IV.ARVD.HHZ. 2017-12-27T00:22:44.24 0.3 undecidable manual P 342 124.3866 50 0.2 60
IV.MF5.EHZ. 2017-12-27T00:22:43.64 0.6 undecidable manual S 3 61.7937 50 1.15 32
IV.INTR.HHZ. 2017-12-27T00:22:43.25 0.6 undecidable manual S 139 61.3941 50 0.84 37
IV.CING.HHZ. 2017-12-27T00:22:41.48 0.3 undecidable manual P 350 106.2159 50 0.24 61
IV.MC2.EHZ. 2017-12-27T00:22:41.49 0.3 undecidable manual S 341 56.3991 50 0.43 65
IV.MMO1.EHZ. 2017-12-27T00:22:40.05 0.6 undecidable manual S 352 52.4031 50 0.06 47
IV.ARRO.EHZ. 2017-12-27T00:22:40.98 0.6 undecidable manual S 287 55.7997 50 0.07 47
IV.NRCA.HHZ. 2017-12-27T00:22:39.50 0.6 undecidable manual S 331 51.0156 50 -0.12 47
IV.T0110.HHZ. 2017-12-27T00:22:36.32 0.6 undecidable manual S 127 36.9297 50 0.44 45
IV.LPEL.HHZ. 2017-12-27T00:22:36.34 0.3 undecidable manual P 124 75.9684 50 -0.24 65
IV.CSP1.EHZ. 2017-12-27T00:22:36.17 0.1 undecidable manual P 347 75.2691 50 -0.29 86
IV.T1214.EHZ. 2017-12-27T00:22:36.90 0.6 undecidable manual S 335 40.1265 50 0.17 47
IV.CESI.HHZ. 2017-12-27T00:22:36.19 0.3 undecidable manual P 327 76.0683 50 -0.4 63
IV.LNSS.HHZ. 2017-12-27T00:22:35.85 0.6 undecidable manual S 302 36.2415 50 0.16 47
IV.GUMA.HHZ. 2017-12-27T00:22:35.99 0.1 undecidable manual P 355 70.2741 50 0.29 87
IV.CESX.HHZ. 2017-12-27T00:22:35.46 0.3 undecidable manual P 286 70.7736 50 -0.31 65
IV.MTCE.HHZ. 2017-12-27T00:22:35.68 0.3 undecidable manual P 231 71.6727 50 -0.24 66
IV.FDMO.HHZ. 2017-12-27T00:22:35.76 0.1 undecidable manual P 338 72.2721 50 -0.25 87
IV.MTRA.EHZ. 2017-12-27T00:22:34.90 0.6 undecidable manual S 357 36.0417 50 -0.74 40
IV.INTR.HHZ. 2017-12-27T00:22:34.38 0.3 undecidable manual P 139 61.3941 50 0.05 70
IV.CERT.HHZ. 2017-12-27T00:22:34.32 0.3 undecidable manual P 214 64.491 50 -0.48 63
IV.MF5.EHZ. 2017-12-27T00:22:34.66 0.1 undecidable manual P 3 61.7937 50 0.28 88
IV.FIAM.HHZ. 2017-12-27T00:22:34.06 0.6 undecidable manual S 234 30.6471 50 -0.13 48
IV.ARRO.EHZ. 2017-12-27T00:22:33.40 0.1 undecidable manual P 287 55.7997 50 -0.07 93
IV.MC2.EHZ. 2017-12-27T00:22:33.48 0.1 undecidable manual P 341 56.3991 50 -0.07 93
IV.NRCA.HHZ. 2017-12-27T00:22:32.55 0.1 positive manual P 331 51.0156 50 -0.17 92
IV.TERO.HHZ. 2017-12-27T00:22:32.05 0.6 undecidable manual S 36 26.0517 50 -0.92 38
IV.MMO1.EHZ. 2017-12-27T00:22:32.86 0.1 undecidable manual P 352 52.4031 50 -0.08 94
IV.T1299.EHZ. 2017-12-27T00:22:32.48 0.3 undecidable manual S 334 25.0527 112 -0.17 72
IV.SMA1.EHZ. 2017-12-27T00:22:31.67 0.6 undecidable manual S 343 23.0547 113 -0.34 47
IV.FAGN.HHZ. 2017-12-27T00:22:31.73 0.6 undecidable manual S 144 22.8549 113 -0.24 48
IV.T1214.EHZ. 2017-12-27T00:22:31.01 0.1 undecidable manual P 335 40.1265 50 -0.05 97
IV.LNSS.HHZ. 2017-12-27T00:22:30.34 0.1 undecidable manual P 302 36.2415 50 -0.11 96
IV.RM33.EHZ. 2017-12-27T00:22:30.64 0.6 undecidable manual S 297 18.7701 118 -0.02 50
IV.T0110.HHZ. 2017-12-27T00:22:30.63 0.1 undecidable manual P 127 36.9297 50 0.06 97
IV.VCEL.EHZ. 2017-12-27T00:22:30.01 0.3 undecidable manual P 97 34.8429 50 -0.23 70
IV.FIAM.HHZ. 2017-12-27T00:22:29.41 0.1 undecidable manual P 234 30.6471 50 -0.18 95
IV.MTRA.EHZ. 2017-12-27T00:22:29.97 0.1 positive manual P 357 36.0417 50 -0.45 89
IV.T1299.EHZ. 2017-12-27T00:22:28.70 0.1 undecidable manual P 334 25.0527 112 0 100
IV.T1247.HHZ. 2017-12-27T00:22:28.53 0.6 undecidable manual S 276 9.879 135 0.37 48
MN.AQU.HHZ. 2017-12-27T00:22:28.01 0.6 undecidable manual S 187 8.6802 139 0.12 50
IV.FAGN.HHZ. 2017-12-27T00:22:28.18 0.1 negative manual P 144 22.8549 113 -0.12 98
IV.CAMP.HHZ. 2017-12-27T00:22:28.47 0.6 undecidable manual S 356 11.5773 131 -0.12 50
IV.SMA1.EHZ. 2017-12-27T00:22:28.22 0.1 positive manual P 343 23.0547 113 -0.11 98
IV.TERO.HHZ. 2017-12-27T00:22:28.47 0.1 positive manual P 36 26.0517 50 -0.41 92
IV.RM33.EHZ. 2017-12-27T00:22:27.70 0.1 positive manual P 297 18.7701 118 0.15 98
IV.T1247.HHZ. 2017-12-27T00:22:26.48 0.1 undecidable manual P 276 9.879 135 0.37 95
MN.AQU.HHZ. 2017-12-27T00:22:26.26 0.1 positive manual P 187 8.6802 139 0.31 97
IV.CAMP.HHZ. 2017-12-27T00:22:26.52 0.1 undecidable manual P 356 11.5773 131 0.17 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.AQU.HLE. ML:2.4 0.0038108685 0.34 AML other m 2017-12-27T00:22:30.45
MN.AQU.HHE. ML:2.4 0.0036647365 0.34 AML other m 2017-12-27T00:22:30.44
MN.AQU.HHN. ML:2.3 0.0029950955000000003 0.32 AML other m 2017-12-27T00:22:28.92
MN.AQU.HLN. ML:2.4 0.0030531844999999998 0.32 AML other m 2017-12-27T00:22:28.92
IV.CAMP.HHE. ML:2.2 0.0017924595 0.44 AML other m 2017-12-27T00:22:29.75
IV.CAMP.HHN. ML:2.3 0.002133721 0.58 AML other m 2017-12-27T00:22:29.08
IV.RM33.EHE. ML:2.2 0.0014406854999999999 0.2 AML other m 2017-12-27T00:22:31.68
IV.RM33.EHN. ML:2.2 0.0012393744999999999 0.16 AML other m 2017-12-27T00:22:31.43
IV.RM33.HNN. ML:2.2 0.0012283715000000002 0.16 AML other m 2017-12-27T00:22:31.43
IV.RM33.HNE. ML:2.2 0.001418679 0.2 AML other m 2017-12-27T00:22:31.67
IV.FAGN.HHN. ML:2.4 0.0016756305 0.38 AML other m 2017-12-27T00:22:36.18
IV.FAGN.HHE. ML:2.5 0.0022457275 0.58 AML other m 2017-12-27T00:22:37.71
IV.SMA1.EHN. ML:1.9 0.0005683717500000001 0.36 AML other m 2017-12-27T00:22:34.06
IV.SMA1.EHE. ML:2.1 0.0007918933999999999 0.4 AML other m 2017-12-27T00:22:37.43
IV.TERO.HNN. ML:1.8 0.00037004130000000004 0.21 AML other m 2017-12-27T00:22:37.17
IV.TERO.HHE. ML:1.9 0.00041308900000000006 0.22 AML other m 2017-12-27T00:22:33.33
IV.TERO.HNE. ML:1.7 0.00030017482499999996 0.22 AML other m 2017-12-27T00:22:33.33
IV.TERO.HHN. ML:2.1 0.0007718038499999999 0.32 AML other m 2017-12-27T00:22:33.33
IV.T1299.HNE. ML:1.8 0.00036797425 0.32 AML other m 2017-12-27T00:22:32.88
IV.T1299.HNN. ML:1.9 0.00044014955 0.2 AML other m 2017-12-27T00:22:33.31
IV.T1299.EHN. ML:1.8 0.0003819806 0.2 AML other m 2017-12-27T00:22:33.31
IV.T1299.EHE. ML:1.8 0.00039545975 0.2 AML other m 2017-12-27T00:22:33.30
IV.FIAM.HHN. ML:2.0 0.0005403239 0.36 AML other m 2017-12-27T00:22:39.02
IV.FIAM.HHE. ML:2.0 0.0004448332 0.2 AML other m 2017-12-27T00:22:36.11
IV.MTRA.EHE. ML:2.4 0.0010614650000000002 0.26 AML other m 2017-12-27T00:22:36.04
IV.MTRA.EHN. ML:2.2 0.00064094325 0.16 AML other m 2017-12-27T00:22:35.70
IV.MTRA.HNE. ML:2.4 0.00105832535 0.26 AML other m 2017-12-27T00:22:36.17
IV.MTRA.HNN. ML:2.2 0.00061859775 0.15 AML other m 2017-12-27T00:22:35.70
IV.VCEL.EHE. ML:2.4 0.0009393761 0.46 AML other m 2017-12-27T00:22:37.72
IV.VCEL.EHN. ML:2.3 0.000865622 0.32 AML other m 2017-12-27T00:22:38.13
IV.LNSS.HHN. ML:2.1 0.0004420322 0.22 AML other m 2017-12-27T00:22:37.28
IV.LNSS.HHE. ML:2.1 0.0004434307 0.32 AML other m 2017-12-27T00:22:37.46
IV.T0110.HHN. ML:2.1 0.0005427762000000001 0.36 AML other m 2017-12-27T00:22:45.70
IV.T0110.HHE. ML:2.1 0.0005089772 0.36 AML other m 2017-12-27T00:22:41.63
IV.T1214.EHN. ML:1.7 0.00016301589999999998 0.272 AML other m 2017-12-27T00:22:41.45
IV.T1214.EHE. ML:1.7 0.000181164 0.496 AML other m 2017-12-27T00:22:45.06
IV.T1214.HNE. ML:1.8 0.00019669635 0.304 AML other m 2017-12-27T00:22:45.06
IV.T1214.HNN. ML:1.7 0.00018131975 0.272 AML other m 2017-12-27T00:22:41.45
IV.NRCA.HHE. ML:2.3 0.00045874950000000006 0.14 AML other m 2017-12-27T00:22:40.00
IV.NRCA.HNE. ML:2.3 0.00046290635000000003 0.14 AML other m 2017-12-27T00:22:41.01
IV.NRCA.HNN. ML:2.2 0.0003606363 0.14 AML other m 2017-12-27T00:22:40.75
IV.NRCA.HHN. ML:2.2 0.00035999575 0.18 AML other m 2017-12-27T00:22:40.90
OB.GAVE.EHN. ML:0.0 0.0002884198 0.16 AML other m 2017-12-27T00:22:42.47
OB.GAVE.HNE. ML:0.0 0.00020676729999999997 0.23 AML other m 2017-12-27T00:22:43.05
OB.GAVE.EHE. ML:0.0 0.00020304064999999999 0.24 AML other m 2017-12-27T00:22:42.94
IV.ARRO.EHE. ML:1.7 0.00011358851999999999 0.2 AML other m 2017-12-27T00:22:41.85
IV.ARRO.EHN. ML:1.8 0.00014773005000000001 0.18 AML other m 2017-12-27T00:22:42.57
IV.CERT.HHN. ML:1.9 0.00013699465 0.28 AML other m 2017-12-27T00:22:48.16
IV.CERT.HHE. ML:2.1 0.00023196139999999998 0.36 AML other m 2017-12-27T00:22:49.16
IV.INTR.HHN. ML:2.2 0.0003574323 0.32 AML other m 2017-12-27T00:22:44.53
IV.INTR.HNN. ML:0.0 0.0000002805307 0.34 AML other m 2017-12-27T00:22:44.53
IV.INTR.HHE. ML:1.8 0.0001418905 0.46 AML other m 2017-12-27T00:22:44.29
IV.INTR.HNE. ML:0.0 0.00000016340765 0.35 AML other m 2017-12-27T00:22:47.25
IV.MF5.EHN. ML:2.1 0.00026968145 0.4 AML other m 2017-12-27T00:22:48.26
IV.MF5.EHE. ML:2.2 0.0002953067 0.6 AML other m 2017-12-27T00:22:45.96
IV.T1221.HNN. ML:1.7 0.00008298934499999999 0.224 AML other m 2017-12-27T00:22:47.36
IV.T1221.EHE. ML:1.4 0.000050420119999999997 0.176 AML other m 2017-12-27T00:22:49.84
IV.CESX.HHN. ML:1.7 0.000078819195 0.2 AML other m 2017-12-27T00:22:46.81
IV.CESX.HHE. ML:1.6 0.000067820315 0.4 AML other m 2017-12-27T00:22:48.66
IV.MTCE.HHN. ML:1.6 0.000064163435 0.66 AML other m 2017-12-27T00:22:54.90
IV.MTCE.HHE. ML:1.9 0.00013583859999999998 0.36 AML other m 2017-12-27T00:22:51.06
IV.FDMO.HHE. ML:1.7 0.00008163066 0.2 AML other m 2017-12-27T00:22:46.33
IV.FDMO.HHN. ML:1.8 0.00011226308 0.18 AML other m 2017-12-27T00:22:49.11
IV.GUMA.HHN. ML:2.3 0.00036130094999999994 0.56 AML other m 2017-12-27T00:22:49.89
IV.GUMA.HNE. ML:2.4 0.0003876812 0.34 AML other m 2017-12-27T00:22:47.49
IV.GUMA.HHE. ML:2.5 0.00051698325 0.36 AML other m 2017-12-27T00:22:47.68
IV.CSP1.EHE. ML:1.7 0.00007647406500000001 0.22 AML other m 2017-12-27T00:22:49.01
IV.CSP1.EHN. ML:1.4 0.000033260155 0.2 AML other m 2017-12-27T00:22:51.46
IV.CESI.HHE. ML:1.6 0.00005871946 0.32 AML other m 2017-12-27T00:22:54.19
IV.CESI.HHN. ML:1.8 0.0001025339 0.26 AML other m 2017-12-27T00:22:50.10
IV.LPEL.HHN. ML:2.0 0.0001622568 0.48 AML other m 2017-12-27T00:22:47.69
IV.LPEL.HHE. ML:2.2 0.00021425615000000001 0.4 AML other m 2017-12-27T00:22:47.50
IV.CING.HHN. ML:1.9 0.00007732599 0.14 AML other m 2017-12-27T00:22:58.86
IV.CING.HHE. ML:1.9 0.00007616827 0.2 AML other m 2017-12-27T00:22:57.78
IV.ARVD.HHE. ML:1.6 0.000026195565 0.62 AML other m 2017-12-27T00:23:13.31
IV.FSSB.HHN. ML:2.3 0.000103944215 0.42 AML other m 2017-12-27T00:23:11.78
IV.FSSB.HHE. ML:2.2 0.00008554118 0.52 AML other m 2017-12-27T00:23:17.13
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
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