Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 12-01-2018 and time 04:41:39 (Italy) in region 9 km N L'Aquila (AQ)

A magnitude ML 2.1 earthquake occured in region: 9 km N L'Aquila (AQ), on

  • 12-01-2018 03:41:39 (UTC)
  • 12-01-2018 04:41:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4330, 13.4230 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 12 737 74816
Crognaleto TE 14 1297 76113
Capitignano AQ 14 665 76778
Campotosto AQ 15 542 77320
Pietracamela TE 15 271 77591
Scoppito AQ 15 3727 81318
Poggio Picenze AQ 16 1136 82454
Fano Adriano TE 16 296 82750
Fossa AQ 16 721 83471
Cagnano Amiterno AQ 17 1369 84840
Ocre AQ 17 1167 86007
Lucoli AQ 17 1011 87018
Montereale AQ 18 2581 89599
Sant'Eusanio Forconese AQ 18 394 89993
Barisciano AQ 18 1828 91821
Tornimparte AQ 19 3187 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)
34 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)
73 Km NE of Tivoli (56533 inhabitants)
75 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km SE of Foligno (57155 inhabitants)
98 Km NE of Roma (2864731 inhabitants)
99 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 2.1 2018-01-12
03:41:39		 42.433 13.4233 10 2019-04-24
14:49:46		 Bollettino Sismico Italiano INGV 65277051
Reviewed
Rev100 		ML 2.0 2018-01-12
03:41:39		 42.4362 13.4267 9 2018-01-12
03:54:22		 Sala Sismica INGV-Roma 53151511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-01-12 03:41:39 ± 0.06
Latitude 42.4330 ± 0.0036
Longitude 13.4233 ± 0.0049
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 65277051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 486
Semi-minor axis of confidence ellipse (meter) 235
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 48
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 45
Number of associated phases, regardless of their use for origin computation 52
Number of defining phases 52
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.09263
Epicentral distance of station farthest from the epicenter (degree) 1.12145
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 36
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 62
Type of magnitude ML
Reference to an origin 65277051
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-02-06 09:37:44

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 64
Type of magnitude ML
Reference to an origin 53151511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-01-12 03:54:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPEL.HHZ. 2018-01-12T03:42:02.96 0.6 undecidable manual S 124 75.6687 50 0.57 39
IV.ARVD.HHZ. 2018-01-12T03:42:00.72 1.0 undecidable manual P 342 124.4865 50 0.49 18
IV.MF5.EHZ. 2018-01-12T03:41:59.99 0.6 undecidable manual S 3 61.5939 50 1.36 28
IV.INTR.HHZ. 2018-01-12T03:41:59.11 0.6 undecidable manual S 140 61.1943 50 0.58 40
IV.CING.HHZ. 2018-01-12T03:41:57.99 0.3 undecidable manual P 350 106.2159 50 0.58 55
IV.EL6.EHZ. 2018-01-12T03:41:57.21 0.3 undecidable manual P 345 102.8193 50 0.32 60
IV.MMO1.EHZ. 2018-01-12T03:41:56.38 0.3 undecidable manual S 351 52.3032 50 0.22 67
IV.NRCA.HHZ. 2018-01-12T03:41:55.76 0.6 undecidable manual S 331 51.1155 50 -0.07 46
IV.SRES.HHZ. 2018-01-12T03:41:53.97 1.0 undecidable manual P 254 77.9664 50 0.9 17
IV.MOMA.HHZ. 2018-01-12T03:41:53.90 0.3 undecidable manual P 301 80.8635 50 0.38 61
IV.CESI.HHZ. 2018-01-12T03:41:53.03 0.3 undecidable manual P 327 76.2681 50 0.23 64
IV.MTCE.HHZ. 2018-01-12T03:41:52.12 0.3 undecidable manual P 231 72.0723 50 -0.04 67
IV.FDMO.HHZ. 2018-01-12T03:41:52.06 0.3 undecidable manual P 338 72.372 50 -0.14 66
IV.T0110.HHZ. 2018-01-12T03:41:52.60 0.6 undecidable manual S 128 36.741 50 0.61 41
IV.LPEL.HHZ. 2018-01-12T03:41:52.60 0.1 undecidable manual P 124 75.6687 50 -0.11 88
IV.LNSS.HHZ. 2018-01-12T03:41:52.22 0.3 undecidable manual S 301 36.5412 50 0.28 68
IV.GUMA.HHZ. 2018-01-12T03:41:52.26 0.3 undecidable manual P 354 70.1742 50 0.39 63
IV.CSP1.EHZ. 2018-01-12T03:41:52.43 0.3 undecidable manual P 346 75.2691 50 -0.21 64
IV.VVLD.HHZ. 2018-01-12T03:41:51.40 0.3 undecidable manual P 165 64.5909 50 0.39 63
IV.CESX.HHZ. 2018-01-12T03:41:51.90 0.3 undecidable manual P 286 71.0733 50 -0.11 66
IV.MTRA.EHZ. 2018-01-12T03:41:51.13 0.6 undecidable manual S 357 35.9418 50 -0.66 41
IV.OFFI.HHZ. 2018-01-12T03:41:51.18 0.3 undecidable manual P 21 59.6958 50 0.94 52
IV.T1221.EHZ. 2018-01-12T03:41:51.11 0.3 undecidable manual P 315 66.7776 50 -0.23 65
IV.CERT.HHZ. 2018-01-12T03:41:50.49 0.1 undecidable manual P 214 64.7907 50 -0.54 81
IV.MF5.EHZ. 2018-01-12T03:41:50.84 0.1 undecidable manual P 3 61.5939 50 0.29 87
IV.INTR.HHZ. 2018-01-12T03:41:50.34 0.3 undecidable manual P 140 61.1943 50 -0.14 67
IV.ARRO.EHZ. 2018-01-12T03:41:49.54 0.1 undecidable manual P 287 56.1993 50 -0.17 90
IV.FIAM.HNN. 2018-01-12T03:41:49.74 0.6 undecidable manual S 234 31.0467 50 -0.74 40
IV.T1299.EHZ. 2018-01-12T03:41:48.75 0.3 undecidable manual S 333 25.1526 112 -0.13 72
IV.NRCA.HHZ. 2018-01-12T03:41:48.68 0.1 undecidable manual P 331 51.1155 50 -0.24 89
IV.TERO.HHZ. 2018-01-12T03:41:48.13 0.6 undecidable manual S 35 25.752 50 -0.92 37
IV.MMO1.EHZ. 2018-01-12T03:41:48.98 0.1 undecidable manual P 351 52.3032 50 -0.13 91
IV.SMA1.EHZ. 2018-01-12T03:41:48.03 0.6 undecidable manual S 342 23.0547 113 -0.19 47
IV.T1214.EHZ. 2018-01-12T03:41:47.29 0.3 undecidable manual P 334 40.2264 50 0.04 71
IV.RM33.EHZ. 2018-01-12T03:41:47.06 0.3 undecidable manual S 296 19.0698 118 0.1 73
IV.PTQR.HHZ. 2018-01-12T03:41:47.60 0.3 undecidable manual P 182 45.621 50 -0.48 64
IV.VCEL.EHZ. 2018-01-12T03:41:46.11 0.3 undecidable manual P 97 34.4433 50 -0.25 69
IV.MTRA.EHZ. 2018-01-12T03:41:46.09 0.1 undecidable manual P 357 35.9418 50 -0.5 87
IV.T0110.HHZ. 2018-01-12T03:41:46.93 0.1 undecidable manual P 128 36.741 50 0.22 92
IV.LNSS.HHZ. 2018-01-12T03:41:46.47 0.3 undecidable manual P 301 36.5412 50 -0.21 69
IV.FIAM.HNN. 2018-01-12T03:41:45.57 0.1 undecidable manual P 234 31.0467 50 -0.26 92
IV.T1247.HHZ. 2018-01-12T03:41:44.84 0.3 undecidable manual S 275 10.2786 134 0.37 70
IV.CAMP.HHZ. 2018-01-12T03:41:44.75 0.3 undecidable manual S 354 11.4774 131 -0.02 75
IV.TERO.HHZ. 2018-01-12T03:41:44.63 0.1 undecidable manual P 35 25.752 50 -0.38 91
IV.SMA1.EHZ. 2018-01-12T03:41:44.40 0.3 undecidable manual P 342 23.0547 113 -0.13 72
IV.GIGS.HHZ. 2018-01-12T03:41:44.62 0.1 undecidable manual S 80 12.4764 129 -0.41 92
IV.T1299.EHZ. 2018-01-12T03:41:44.78 0.1 undecidable manual P 333 25.1526 112 -0.13 96
IV.FAGN.HHZ. 2018-01-12T03:41:44.55 0.1 undecidable manual P 145 22.755 114 0.08 97
IV.RM33.EHZ. 2018-01-12T03:41:43.81 0.1 undecidable manual P 296 19.0698 118 0.01 99
IV.T1247.HHZ. 2018-01-12T03:41:42.70 0.1 undecidable manual P 275 10.2786 134 0.34 94
IV.CAMP.HHZ. 2018-01-12T03:41:42.73 0.1 undecidable manual P 354 11.4774 131 0.19 97
IV.GIGS.HHZ. 2018-01-12T03:41:42.71 0.1 undecidable manual P 80 12.4764 129 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GIGS.HHE. ML:2.0 0.0010255000000000002 1.44 AML other m 2018-01-12T03:41:45.03
IV.CAMP.HHN. ML:2.0 0.00133 0.76 AML other m 2018-01-12T03:41:45.30
IV.GIGS.HHN. ML:2.0 0.0011495 0.2 AML other m 2018-01-12T03:41:45.37
IV.CAMP.HHE. ML:1.9 0.0009375 0.24 AML other m 2018-01-12T03:41:46.31
IV.RM33.HNN. ML:2.0 0.0008665000000000001 0.22 AML other m 2018-01-12T03:41:47.80
IV.RM33.EHN. ML:2.0 0.000857 0.28 AML other m 2018-01-12T03:41:47.80
IV.RM33.HNE. ML:2.1 0.0010049999999999998 0.36 AML other m 2018-01-12T03:41:48.26
IV.RM33.EHE. ML:2.1 0.0009735000000000001 0.38 AML other m 2018-01-12T03:41:48.27
IV.TERO.HHN. ML:2.2 0.0009419999999999999 0.82 AML other m 2018-01-12T03:41:49.93
IV.TERO.HHE. ML:2.2 0.000967 0.18 AML other m 2018-01-12T03:41:49.79
IV.SMA1.EHE. ML:2.0 0.0006234999999999999 0.62 AML other m 2018-01-12T03:41:49.79
IV.T1299.EHN. ML:1.9 0.000423 0.78 AML other m 2018-01-12T03:41:49.56
IV.T1299.EHE. ML:1.9 0.000442 1.3 AML other m 2018-01-12T03:41:49.98
IV.FAGN.HHN. ML:2.4 0.0015699999999999998 0.72 AML other m 2018-01-12T03:41:51.37
IV.FAGN.HHE. ML:2.6 0.0024 0.22 AML other m 2018-01-12T03:41:51.46
IV.MTRA.EHN. ML:2.4 0.001085 1.2 AML other m 2018-01-12T03:41:51.15
IV.MTRA.EHE. ML:2.3 0.0008905 1.62 AML other m 2018-01-12T03:41:51.01
IV.MTRA.HNE. ML:2.4 0.0009035 0.1 AML other m 2018-01-12T03:41:52.01
IV.MTRA.HNN. ML:2.4 0.0010400000000000001 0.14 AML other m 2018-01-12T03:41:52.33
IV.LNSS.HHE. ML:2.1 0.0004505 0.46 AML other m 2018-01-12T03:41:52.57
IV.LNSS.HHN. ML:2.1 0.0005005 1.84 AML other m 2018-01-12T03:41:53.00
IV.SMA1.EHN. ML:1.9 0.000475 1 AML other m 2018-01-12T03:41:53.40
IV.T1214.HNE. ML:1.9 0.00026450000000000003 0.78 AML other m 2018-01-12T03:41:53.92
IV.VCEL.EHN. ML:2.5 0.00123 0.36 AML other m 2018-01-12T03:41:54.18
IV.VCEL.EHE. ML:2.5 0.001245 1.6 AML other m 2018-01-12T03:41:54.99
IV.T1214.EHE. ML:1.8 0.00019800000000000002 1.54 AML other m 2018-01-12T03:41:54.11
IV.T0110.HHN. ML:2.3 0.0007794999999999999 0.6 AML other m 2018-01-12T03:41:55.42
IV.T1214.EHN. ML:1.7 0.000185 1.1 AML other m 2018-01-12T03:41:56.95
IV.T1214.HNN. ML:1.8 0.0002255 1.04 AML other m 2018-01-12T03:41:56.93
IV.NRCA.HHE. ML:2.2 0.0004125 0.18 AML other m 2018-01-12T03:41:56.69
IV.NRCA.HNE. ML:2.2 0.00041349999999999997 0.54 AML other m 2018-01-12T03:41:56.69
IV.NRCA.HNN. ML:2.2 0.0003755 1 AML other m 2018-01-12T03:41:57.75
IV.T0110.HHE. ML:2.3 0.0007905 0.6 AML other m 2018-01-12T03:41:57.62
IV.NRCA.HHN. ML:2.1 0.000329 0.66 AML other m 2018-01-12T03:41:58.32
IV.ARRO.EHN. ML:1.9 0.00019350000000000001 0.62 AML other m 2018-01-12T03:41:58.51
IV.INTR.HHN. ML:2.3 0.00042 1.56 AML other m 2018-01-12T03:42:00.89
IV.ARRO.EHE. ML:1.7 0.0001175 0.2 AML other m 2018-01-12T03:42:01.00
IV.INTR.HHE. ML:2.0 0.00019250000000000002 0.76 AML other m 2018-01-12T03:42:01.44
IV.MF5.EHN. ML:2.1 0.0002605 0.68 AML other m 2018-01-12T03:42:02.40
IV.MF5.EHE. ML:2.1 0.000242 0.84 AML other m 2018-01-12T03:42:02.47
IV.OFFI.HHN. ML:2.5 0.0007375000000000001 1.02 AML other m 2018-01-12T03:42:02.15
IV.GUMA.HHE. ML:2.4 0.0004395 0.28 AML other m 2018-01-12T03:42:03.07
IV.CERT.HHN. ML:1.8 0.00010765 0.6 AML other m 2018-01-12T03:42:03.41
IV.LPEL.HHN. ML:2.4 0.00034199999999999996 0.48 AML other m 2018-01-12T03:42:03.40
IV.OFFI.HHE. ML:2.6 0.000768 0.64 AML other m 2018-01-12T03:42:03.82
IV.CESI.HHN. ML:1.8 0.0000872 0.56 AML other m 2018-01-12T03:42:04.16
IV.CESI.HHE. ML:1.7 0.00007755 1.48 AML other m 2018-01-12T03:42:04.01
IV.FDMO.HHE. ML:1.7 0.0000854 0.56 AML other m 2018-01-12T03:42:04.78
IV.CESX.HHE. ML:1.6 0.00006905 0.4 AML other m 2018-01-12T03:42:05.36
IV.LPEL.HHE. ML:2.4 0.000365 0.38 AML other m 2018-01-12T03:42:05.23
IV.CERT.HHE. ML:2.0 0.00019 0.48 AML other m 2018-01-12T03:42:05.31
IV.FDMO.HHN. ML:1.7 0.00007905 0.96 AML other m 2018-01-12T03:42:05.10
IV.GUMA.HHN. ML:2.4 0.0004445 1.54 AML other m 2018-01-12T03:42:05.93
IV.MOMA.HHN. ML:1.8 0.00009125 0.66 AML other m 2018-01-12T03:42:06.14
IV.MOMA.HHE. ML:1.9 0.00009975 1.78 AML other m 2018-01-12T03:42:07.90
IV.VVLD.HHN. ML:1.6 0.0000702 1.56 AML other m 2018-01-12T03:42:08.89
IV.MTCE.HHN. ML:1.8 0.0000915 0.48 AML other m 2018-01-12T03:42:09.28
IV.MTCE.HHE. ML:1.8 0.00010475000000000001 1.58 AML other m 2018-01-12T03:42:11.87
IV.CESX.HHN. ML:1.7 0.00008265 0.88 AML other m 2018-01-12T03:42:12.88
IV.EL6.EHN. ML:2.2 0.00013800000000000002 1.5 AML other m 2018-01-12T03:42:15.88
IV.VVLD.HHE. ML:1.5 0.00006365 1.34 AML other m 2018-01-12T03:42:16.06
IV.EL6.EHE. ML:2.1 0.0001142 0.56 AML other m 2018-01-12T03:42:20.37
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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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