Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 11-01-2018 and time 06:07:23 (Italy) in region 2 km NE Amatrice (RI)

A magnitude ML 2.1 earthquake occured in region: 2 km NE Amatrice (RI), on

  • 11-01-2018 05:07:23 (UTC)
  • 11-01-2018 06:07:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6430, 13.3120 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
Amatrice RI 2 2657 2657
Accumoli RI 8 667 3324
Campotosto AQ 11 542 3866
Cittareale RI 13 482 4348
Capitignano AQ 14 665 5013
Montereale AQ 14 2581 7594
Arquata del Tronto AP 15 1178 8772
Cortino TE 16 656 9428
Acquasanta Terme AP 16 2916 12344
Crognaleto TE 17 1297 13641
Rocca Santa Maria TE 18 537 14178
Valle Castellana TE 18 977 15155

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km W of Teramo (54892 inhabitants)
33 Km N of L'Aquila (69753 inhabitants)
55 Km E of Terni (111501 inhabitants)
61 Km SE of Foligno (57155 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
77 Km W of Pescara (121014 inhabitants)
77 Km W of Chieti (51815 inhabitants)
86 Km NE of Guidonia Montecelio (88673 inhabitants)
87 Km NE of Tivoli (56533 inhabitants)
91 Km SE of Perugia (166134 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 2018-01-11
05:07:23		 42.6432 13.3122 9 2019-04-24
14:49:23		 Bollettino Sismico Italiano INGV 55153901
Reviewed
Rev100 		ML 2.1 2018-01-11
05:07:23		 42.6465 13.3153 7 2018-01-11
06:34:08		 Sala Sismica INGV-Roma 53131431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-01-11 05:07:23 ± 0.05
Latitude 42.6432 ± 0.0027
Longitude 13.3122 ± 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 55153901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 389
Semi-minor axis of confidence ellipse (meter) 170
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 247
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 54
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.92091
Number of stations at which the event was observed 41
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 58
Type of magnitude ML
Reference to an origin 55153901
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-04-05 14:38:45

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 52
Type of magnitude ML
Reference to an origin 53131431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-01-11 06:34:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2018-01-11T05:08:00.06 3.0 undecidable manual S 0.18 0
IV.BRSN.EHZ. 2018-01-11T05:07:55.49 3.0 positive manual Pn 0.57 0
IV.MURB.HHZ. 2018-01-11T05:07:53.35 3.0 undecidable manual S 0.25 0
IV.ATCC.EHZ. 2018-01-11T05:07:49.05 3.0 undecidable manual S -0.27 0
IV.RCAV.EHZ. 2018-01-11T05:07:41.86 3.0 undecidable manual P 2.32 0
IV.SAMA.HHZ. 2018-01-11T05:07:41.86 3.0 negative manual P -0.88 0
IV.ARVD.HHZ. 2018-01-11T05:07:40.45 0.3 undecidable manual P 343 99.4227 50 0.24 61
IV.CESI.HHZ. 2018-01-11T05:07:40.05 0.1 undecidable manual S 321 52.0035 50 0.02 93
IV.SSFR.HHZ. 2018-01-11T05:07:40.54 3.0 negative manual P -0.17 0
IV.MGAB.HHZ. 2018-01-11T05:07:40.54 0.6 undecidable manual P 287 102.2199 50 -0.08 42
IV.FDMO.HHZ. 2018-01-11T05:07:38.48 0.3 undecidable manual S 337 47.3193 50 -0.28 67
IV.CING.HHZ. 2018-01-11T05:07:37.45 0.3 undecidable manual P 353 81.7515 50 -0.03 66
IV.INTR.HHZ. 2018-01-11T05:07:37.35 0.3 undecidable manual P 145 85.248 50 -0.67 55
IV.ATCC.EHZ. 2018-01-11T05:07:37.49 3.0 positive manual P -0.36 0
IV.EL6.EHZ. 2018-01-11T05:07:36.62 0.3 undecidable manual P 347 77.9664 50 -0.28 63
IV.SNTG.HHZ. 2018-01-11T05:07:36.93 3.0 positive manual P 0.16 0
IV.ASSB.HHZ. 2018-01-11T05:07:35.41 3.0 positive manual P -0.39 0
IV.T0110.HHZ. 2018-01-11T05:07:34.16 0.1 undecidable manual P 140 59.5959 50 0.1 90
IV.MMO1.EHZ. 2018-01-11T05:07:33.28 0.1 undecidable manual S 2 28.4493 107 -0.19 94
IV.GIGS.HHZ. 2018-01-11T05:07:33.31 0.1 undecidable manual S 135 29.9478 106 -0.67 82
IV.CESX.HHZ. 2018-01-11T05:07:33.58 0.3 undecidable manual P 267 59.2962 50 -0.44 63
IV.NRCA.HNZ. 2018-01-11T05:07:32.60 0.1 undecidable manual S 323 26.5512 108 -0.25 93
IV.OFFI.HHZ. 2018-01-11T05:07:32.48 0.1 positive manual P 43 44.4222 50 0.76 77
IV.FDMO.HHZ. 2018-01-11T05:07:32.12 0.1 undecidable manual P 337 47.3193 50 -0.05 93
IV.CESI.HHZ. 2018-01-11T05:07:32.73 0.1 negative manual P 321 52.0035 50 -0.17 90
IV.GUMA.HHZ. 2018-01-11T05:07:32.14 0.1 undecidable manual P 2 46.62 50 0.09 93
IV.CSP1.EHZ. 2018-01-11T05:07:32.53 3.0 undecidable manual P -0.34 0
IV.FAGN.HHZ. 2018-01-11T05:07:32.47 0.1 undecidable manual P 152 47.4192 50 0.29 89
IV.T1221.EHZ. 2018-01-11T05:07:31.56 0.1 undecidable manual P 303 44.9217 50 -0.23 90
IV.FIAM.HNN. 2018-01-11T05:07:31.96 0.6 undecidable manual P 201 44.622 50 0.22 45
IV.MF5.EHZ. 2018-01-11T05:07:31.40 0.1 positive manual P 17 40.0266 50 0.35 89
IV.FEMA.HNE. 2018-01-11T05:07:31.34 0.3 undecidable manual P 329 41.3253 50 0.1 70
IV.ARRO.EHZ. 2018-01-11T05:07:31.63 3.0 undecidable manual P 0.06 0
IV.LNSS.HHZ. 2018-01-11T05:07:31.53 0.1 undecidable manual S 259 22.6551 111 -0.04 98
IV.CAMP.HHE. 2018-01-11T05:07:29.03 0.1 undecidable manual S 146 14.2746 121 0.07 98
IV.MC2.EHZ. 2018-01-11T05:07:29.30 0.3 undecidable manual P 341 31.4463 105 -0.38 67
IV.RM33.HNE. 2018-01-11T05:07:29.88 0.1 undecidable manual S 208 16.872 117 0.14 97
IV.T1214.EHZ. 2018-01-11T05:07:29.62 0.1 undecidable manual S 327 15.3735 119 0.33 93
IV.MMO1.EHZ. 2018-01-11T05:07:29.03 0.1 positive manual P 2 28.4493 107 -0.08 96
OB.GAVE.EHZ. 2018-01-11T05:07:29.86 3.0 positive manual P 0 0
IV.GIGS.HHZ. 2018-01-11T05:07:28.99 0.1 undecidable manual P 135 29.9478 106 -0.41 89
IV.TERO.HHN. 2018-01-11T05:07:28.29 0.1 undecidable manual P 95 23.9538 110 0.04 97
IV.LNSS.HHZ. 2018-01-11T05:07:28.03 0.1 positive manual P 259 22.6551 111 0.02 98
IV.T1247.HHZ. 2018-01-11T05:07:28.04 0.1 undecidable manual P 183 22.3554 111 0.08 97
IV.NRCA.HNZ. 2018-01-11T05:07:28.66 0.1 undecidable manual P 323 26.5512 108 -0.09 96
IV.MTRA.EHE. 2018-01-11T05:07:28.87 0.1 undecidable manual S 29 14.3745 121 -0.1 98
IV.T1214.EHZ. 2018-01-11T05:07:27.09 0.1 undecidable manual P 327 15.3735 119 0.39 92
IV.RM33.HNE. 2018-01-11T05:07:27.19 0.1 positive manual P 208 16.872 117 0.23 95
IV.MTRA.EHE. 2018-01-11T05:07:26.67 0.1 positive manual P 29 14.3745 121 0.16 97
IV.T1299.HNZ. 2018-01-11T05:07:26.06 0.3 undecidable manual S 248 2.5974 163 -0.24 73
IV.CAMP.HHE. 2018-01-11T05:07:26.79 0.1 positive manual P 146 14.2746 121 0.29 94
IV.SMA1.EHN. 2018-01-11T05:07:26.19 0.1 undecidable manual S 127 2.3976 165 -0.09 100
IV.T1299.HNZ. 2018-01-11T05:07:25.06 0.1 negative manual P 248 2.5974 163 0.09 100
IV.SMA1.EHN. 2018-01-11T05:07:25.20 0.1 undecidable manual P 127 2.3976 165 0.25 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1214.HNE. ML:2.0 0.0011400000000000002 0.94 AML other m 2018-01-11T05:07:32.12
IV.T1214.EHE. ML:2.0 0.00108 0.92 AML other m 2018-01-11T05:07:32.59
IV.LNSS.HHE. ML:2.2 0.0011799999999999998 0.86 AML other m 2018-01-11T05:07:32.57
IV.LNSS.HHN. ML:2.3 0.00126 0.38 AML other m 2018-01-11T05:07:32.51
IV.NRCA.HNN. ML:2.6 0.0024749999999999998 0.76 AML other m 2018-01-11T05:07:32.80
IV.NRCA.HHN. ML:2.7 0.002615 1.02 AML other m 2018-01-11T05:07:32.80
IV.NRCA.HHE. ML:2.8 0.00386 0.72 AML other m 2018-01-11T05:07:33.00
IV.NRCA.HNE. ML:2.8 0.003665 0.72 AML other m 2018-01-11T05:07:33.00
IV.GIGS.HHE. ML:1.5 0.00016450000000000001 1.04 AML other m 2018-01-11T05:07:33.13
IV.T1214.HNN. ML:2.1 0.0012549999999999998 0.42 AML other m 2018-01-11T05:07:33.72
IV.T1214.EHN. ML:2.1 0.00127 0.42 AML other m 2018-01-11T05:07:33.72
OB.GAVE.HNN. ML:2.0 0.00040249999999999997 0.26 AML other m 2018-01-11T05:07:35.54
OB.GAVE.EHN. ML:2.5 0.00131 0.7 AML other m 2018-01-11T05:07:35.42
OB.GAVE.HNE. ML:2.5 0.001305 0.2 AML other m 2018-01-11T05:07:36.46
OB.GAVE.EHE. ML:2.5 0.0012999999999999997 0.18 AML other m 2018-01-11T05:07:36.46
IV.GIGS.HHN. ML:1.4 0.000127 0.44 AML other m 2018-01-11T05:07:37.13
IV.MF5.EHE. ML:2.1 0.0004125 0.68 AML other m 2018-01-11T05:07:37.96
IV.MF5.EHN. ML:2.4 0.0008900000000000001 0.46 AML other m 2018-01-11T05:07:38.02
IV.ARRO.EHN. ML:1.9 0.000245 0.96 AML other m 2018-01-11T05:07:38.85
IV.FDMO.HHN. ML:1.9 0.00023300000000000003 0.88 AML other m 2018-01-11T05:07:39.00
IV.FDMO.HHE. ML:1.9 0.000215 0.1 AML other m 2018-01-11T05:07:39.80
IV.ARRO.EHE. ML:1.9 0.000257 0.84 AML other m 2018-01-11T05:07:40.20
IV.CSP1.EHE. ML:1.8 0.00014450000000000002 0.46 AML other m 2018-01-11T05:07:40.02
IV.CESI.HHE. ML:2.0 0.000277 0.92 AML other m 2018-01-11T05:07:40.36
IV.CESI.HHN. ML:2.3 0.0005669999999999999 0.48 AML other m 2018-01-11T05:07:40.41
IV.OFFI.HHN. ML:2.3 0.000585 0.9 AML other m 2018-01-11T05:07:40.38
IV.CSP1.EHN. ML:1.5 0.00007335 0.44 AML other m 2018-01-11T05:07:41.21
IV.GUMA.HHE. ML:2.6 0.001135 0.36 AML other m 2018-01-11T05:07:42.29
IV.SAMA.HHN. ML:2.7 0.0003865 0.06 AML other m 2018-01-11T05:07:42.35
IV.SAMA.HHE. ML:2.8 0.0005445 0.06 AML other m 2018-01-11T05:07:42.42
IV.OFFI.HHE. ML:2.1 0.0003745 0.38 AML other m 2018-01-11T05:07:42.70
IV.CESX.HHN. ML:1.9 0.0001605 0.22 AML other m 2018-01-11T05:07:43.17
IV.T0110.HHE. ML:2.1 0.0002405 1.18 AML other m 2018-01-11T05:07:43.87
IV.GUMA.HHN. ML:2.3 0.000641 0.42 AML other m 2018-01-11T05:07:44.40
IV.CESX.HHE. ML:1.8 0.00013450000000000002 0.22 AML other m 2018-01-11T05:07:44.84
IV.ASSB.HHE. ML:2.0 0.0001575 1.46 AML other m 2018-01-11T05:07:46.81
IV.ASSB.HHN. ML:2.0 0.000175 0.7 AML other m 2018-01-11T05:07:47.89
IV.T0110.HHN. ML:2.1 0.00028000000000000003 0.34 AML other m 2018-01-11T05:07:49.61
IV.EL6.EHE. ML:2.1 0.00019700000000000002 0.24 AML other m 2018-01-11T05:07:49.73
IV.ATCC.EHN. ML:1.8 0.0000848 1.6 AML other m 2018-01-11T05:07:50.08
IV.SNTG.HHE. ML:1.7 0.00007695 1.34 AML other m 2018-01-11T05:07:50.20
IV.CING.HHE. ML:2.1 0.0001565 0.8 AML other m 2018-01-11T05:07:50.49
IV.CING.HHN. ML:2.0 0.000125 0.82 AML other m 2018-01-11T05:07:51.79
IV.SNTG.HHN. ML:1.7 0.0000837 0.78 AML other m 2018-01-11T05:07:51.51
IV.EL6.EHN. ML:2.2 0.00020500000000000002 0.22 AML other m 2018-01-11T05:07:51.67
IV.ATCC.EHE. ML:2.0 0.0001205 0.36 AML other m 2018-01-11T05:07:54.73
IV.SSFR.HHE. ML:2.3 0.00019600000000000002 0.24 AML other m 2018-01-11T05:07:55.77
IV.SSFR.HHN. ML:2.2 0.0001515 1.76 AML other m 2018-01-11T05:07:55.10
IV.ARVD.HHE. ML:1.6 0.00004635 0.44 AML other m 2018-01-11T05:07:57.66
IV.MURB.HNE. ML:2.5 0.0003155 1.5 AML other m 2018-01-11T05:07:57.93
IV.MURB.HHN. ML:2.3 0.00021300000000000003 1.74 AML other m 2018-01-11T05:07:58.99
IV.INTR.HHN. ML:1.8 0.00008345 1.26 AML other m 2018-01-11T05:07:58.20
IV.MURB.HHE. ML:2.4 0.00028100000000000005 0.3 AML other m 2018-01-11T05:07:58.17
IV.ARVD.HHN. ML:1.6 0.0000441 0.42 AML other m 2018-01-11T05:08:00.35
IV.INTR.HHE. ML:1.6 0.00005209999999999999 1.08 AML other m 2018-01-11T05:08:02.12
IV.MURB.HNN. ML:2.4 0.00028099999999999995 0.34 AML other m 2018-01-11T05:08:03.80
IV.PIEI.HHE. ML:1.7 0.0000375 0.3 AML other m 2018-01-11T05:08:11.46
IV.PIEI.HHN. ML:1.7 0.00003665 1.42 AML other m 2018-01-11T05:08:11.78
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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