Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 12-12-2017 and time 03:44:04 (Italy) in region 11 km N L'Aquila (AQ)

A magnitude ML 2.0 earthquake occured in region: 11 km N L'Aquila (AQ), on

  • 12-12-2017 02:44:04 (UTC)
  • 12-12-2017 03:44:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4470, 13.4290 at 9 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 11 69753 69753
Pizzoli AQ 11 4326 74079
Barete AQ 12 737 74816
Crognaleto TE 12 1297 76113
Capitignano AQ 13 665 76778
Campotosto AQ 13 542 77320
Pietracamela TE 14 271 77591
Fano Adriano TE 15 296 77887
Scoppito AQ 16 3727 81614
Cagnano Amiterno AQ 17 1369 82983
Poggio Picenze AQ 17 1136 84119
Montereale AQ 17 2581 86700
Fossa AQ 18 721 87421
Ocre AQ 18 1167 88588
Lucoli AQ 19 1011 89599
Barisciano AQ 19 1828 91427
Sant'Eusanio Forconese AQ 19 394 91821

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km N of L'Aquila (69753 inhabitants)
33 Km SW of Teramo (54892 inhabitants)
60 Km W of Montesilvano (53738 inhabitants)
62 Km W of Chieti (51815 inhabitants)
65 Km W of Pescara (121014 inhabitants)
65 Km E of Terni (111501 inhabitants)
75 Km NE of Tivoli (56533 inhabitants)
76 Km NE of Guidonia Montecelio (88673 inhabitants)
82 Km SE of Foligno (57155 inhabitants)
99 Km NE of Roma (2864731 inhabitants)
100 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 2017-12-12
02:44:04		 42.4467 13.4287 9 2018-09-04
09:10:39		 Bollettino Sismico Italiano INGV 52978811
Reviewed
Rev100 		ML 2.0 2017-12-12
02:44:04		 42.4403 13.4218 10 2017-12-12
02:56:22		 Sala Sismica INGV-Roma 52542511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-12-12 02:44:04 ± 0.05
Latitude 42.4467 ± 0.0027
Longitude 13.4287 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 52978811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 407
Semi-minor axis of confidence ellipse (meter) 33
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) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 38
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) 0.08993
Epicentral distance of station farthest from the epicenter (degree) 0.64032
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 31
Type of magnitude ML
Reference to an origin 52978811
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-07-05 13:30:52

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 32
Type of magnitude ML
Reference to an origin 52542511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-12-12 02:56:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2017-12-12T02:44:27.14 0.3 undecidable manual S 337 71.0733 50 0.44 62
IV.T1221.EHZ. 2017-12-12T02:44:25.19 0.3 undecidable manual S 314 65.9895 50 -0.15 66
IV.INTR.HHZ. 2017-12-12T02:44:24.55 0.3 undecidable manual S 141 62.0934 50 0.25 66
IV.MC2.EHZ. 2017-12-12T02:44:22.22 0.3 undecidable manual S 339 55.1004 50 -0.22 67
IV.MMO1.EHZ. 2017-12-12T02:44:21.57 0.3 undecidable manual S 351 50.9157 50 0.26 67
IV.NRCA.HHZ. 2017-12-12T02:44:21.15 0.1 undecidable manual S 329 50.0166 50 0.08 93
IV.PTQR.HHE. 2017-12-12T02:44:20.82 0.3 undecidable manual S 183 47.1195 50 0.51 64
IV.FDMO.HHZ. 2017-12-12T02:44:17.57 0.1 undecidable manual P 337 71.0733 50 0.11 89
IV.VCEL.EHZ. 2017-12-12T02:44:17.06 0.3 undecidable manual S 100 34.2435 50 0.2 70
IV.LNSS.HHN. 2017-12-12T02:44:17.29 0.6 undecidable manual S 299 36.1416 50 -0.08 47
IV.T0110.HHZ. 2017-12-12T02:44:17.61 0.3 undecidable manual S 130 37.3293 50 -0.07 71
IV.MTRA.EHZ. 2017-12-12T02:44:16.56 0.6 undecidable manual S 356 34.5432 50 -0.37 45
IV.T1221.EHZ. 2017-12-12T02:44:16.52 0.1 undecidable manual P 314 65.9895 50 -0.16 89
IV.MF5.EHZ. 2017-12-12T02:44:15.57 0.1 undecidable manual P 2 60.0954 50 -0.2 89
IV.MC2.EHZ. 2017-12-12T02:44:15.06 0.1 undecidable manual P 339 55.1004 50 0.05 92
IV.INTR.HHZ. 2017-12-12T02:44:15.83 0.1 undecidable manual P 141 62.0934 50 -0.25 88
IV.MMO1.EHZ. 2017-12-12T02:44:14.36 0.1 undecidable manual P 351 50.9157 50 0.01 94
IV.NRCA.HHZ. 2017-12-12T02:44:14.14 0.1 undecidable manual P 329 50.0166 50 -0.07 93
IV.FAGN.HHZ. 2017-12-12T02:44:13.78 0.3 undecidable manual S 148 23.754 111 0.09 73
IV.TERO.HHZ. 2017-12-12T02:44:13.51 0.3 undecidable manual S 36 24.2535 111 -0.34 69
IV.T1299.HNZ. 2017-12-12T02:44:13.76 0.6 undecidable manual S 330 23.9538 111 -0.01 49
IV.PTQR.HHE. 2017-12-12T02:44:13.77 0.1 undecidable manual P 183 47.1195 50 -0.01 95
IV.LNSS.HHN. 2017-12-12T02:44:12.14 0.1 undecidable manual P 299 36.1416 50 0.06 95
IV.SMA1.EHZ. 2017-12-12T02:44:12.92 0.3 undecidable manual S 340 21.7671 113 -0.13 72
IV.T0110.HHZ. 2017-12-12T02:44:12.22 0.1 undecidable manual P 130 37.3293 50 -0.04 96
IV.RM33.EHZ. 2017-12-12T02:44:12.14 0.3 undecidable manual S 292 18.87 116 0.02 74
IV.VCEL.EHZ. 2017-12-12T02:44:12.14 0.1 undecidable manual P 100 34.2435 50 0.36 90
IV.MTRA.EHZ. 2017-12-12T02:44:11.60 0.1 undecidable manual P 356 34.5432 50 -0.22 93
IV.T1299.HNZ. 2017-12-12T02:44:10.17 0.1 undecidable manual P 330 23.9538 111 0.17 95
IV.FIAM.HHZ. 2017-12-12T02:44:10.83 0.3 undecidable manual P 232 32.3454 50 -0.66 62
MN.AQU.HHZ. 2017-12-12T02:44:09.60 0.3 undecidable manual S 191 10.4784 131 -0.08 74
IV.FAGN.HHZ. 2017-12-12T02:44:09.56 0.1 undecidable manual P 148 23.754 111 -0.39 91
IV.SMA1.EHZ. 2017-12-12T02:44:09.65 0.1 undecidable manual P 340 21.7671 113 0.06 98
IV.CAMP.HHE. 2017-12-12T02:44:09.95 0.3 undecidable manual S 351 9.9789 133 0.38 70
IV.TERO.HHZ. 2017-12-12T02:44:09.82 0.1 undecidable manual P 36 24.2535 111 -0.22 94
IV.RM33.EHZ. 2017-12-12T02:44:09.09 0.1 positive manual P 292 18.87 116 0.04 99
IV.CAMP.HHE. 2017-12-12T02:44:07.98 0.1 undecidable manual P 351 9.9789 133 0.41 93
MN.AQU.HHZ. 2017-12-12T02:44:07.69 0.1 positive manual P 191 10.4784 131 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.AQU.HLN. ML:2.2 0.001985 0.28 AML other m 2017-12-12T02:44:10.40
MN.AQU.HHE. ML:2.3 0.002375 0.72 AML other m 2017-12-12T02:44:11.13
MN.AQU.HLE. ML:2.3 0.0023899999999999998 0.74 AML other m 2017-12-12T02:44:11.13
IV.RM33.HNE. ML:2.0 0.000778 0.36 AML other m 2017-12-12T02:44:13.15
IV.RM33.EHE. ML:1.9 0.0007379999999999999 0.36 AML other m 2017-12-12T02:44:13.15
IV.RM33.EHN. ML:2.0 0.0007650000000000001 0.26 AML other m 2017-12-12T02:44:13.21
IV.RM33.HNN. ML:2.0 0.0007664999999999999 0.26 AML other m 2017-12-12T02:44:13.21
IV.TERO.HHE. ML:2.1 0.0007495000000000001 0.1 AML other m 2017-12-12T02:44:13.60
IV.TERO.HHN. ML:2.2 0.0009015 0.78 AML other m 2017-12-12T02:44:14.69
IV.T1299.EHN. ML:1.8 0.000359 1.04 AML other m 2017-12-12T02:44:14.09
IV.T1299.HNE. ML:1.8 0.00041349999999999997 0.78 AML other m 2017-12-12T02:44:14.29
IV.T1299.EHE. ML:1.8 0.000359 0.8 AML other m 2017-12-12T02:44:14.28
IV.TERO.HNE. ML:1.9 0.000517 1.2 AML other m 2017-12-12T02:44:14.70
IV.SMA1.EHN. ML:1.8 0.000476 0.16 AML other m 2017-12-12T02:44:14.79
IV.TERO.HNN. ML:1.9 0.000494 1.34 AML other m 2017-12-12T02:44:14.12
IV.T1299.HNN. ML:1.8 0.0003635 0.66 AML other m 2017-12-12T02:44:15.19
IV.FAGN.HHN. ML:2.3 0.001395 0.3 AML other m 2017-12-12T02:44:15.73
IV.FAGN.HHE. ML:2.4 0.0017549999999999998 0.24 AML other m 2017-12-12T02:44:16.83
IV.MTRA.EHN. ML:2.3 0.0008985 0.78 AML other m 2017-12-12T02:44:17.03
IV.MTRA.HNN. ML:2.4 0.0009750000000000001 0.78 AML other m 2017-12-12T02:44:17.03
IV.MTRA.HNE. ML:2.2 0.0006295 1.24 AML other m 2017-12-12T02:44:17.81
IV.FIAM.HHE. ML:1.9 0.0003445 0.5 AML other m 2017-12-12T02:44:17.64
IV.MTRA.EHE. ML:2.2 0.0006274999999999999 0.22 AML other m 2017-12-12T02:44:17.81
IV.SMA1.EHE. ML:1.9 0.000497 1.24 AML other m 2017-12-12T02:44:18.81
IV.FIAM.HHN. ML:1.9 0.00038349999999999994 1.14 AML other m 2017-12-12T02:44:19.15
IV.T0110.HHE. ML:2.1 0.000528 1.26 AML other m 2017-12-12T02:44:20.11
IV.T0110.HHN. ML:2.2 0.000578 1.64 AML other m 2017-12-12T02:44:20.04
IV.INTR.HHE. ML:1.8 0.00012336659999999999 1.7 AML other m 2017-12-12T02:44:24.01
IV.INTR.HHN. ML:2.1 0.00025807235 0.36 AML other m 2017-12-12T02:44:25.66
IV.FDMO.HHN. ML:1.8 0.00010065 0.54 AML other m 2017-12-12T02:44:28.46
IV.FDMO.HHE. ML:1.8 0.00010059999999999999 1.42 AML other m 2017-12-12T02:44:30.19
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
Waveforms Seismic signals in miniseed + resp format Download