Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 28-12-2017 and time 19:56:52 (Italy) in region 5 km E Cittareale (RI)

A magnitude ML 2.4 earthquake occured in region: 5 km E Cittareale (RI), on

  • 28-12-2017 18:56:52 (UTC)
  • 28-12-2017 19:56:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6170, 13.2200 at 8 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
Cittareale RI 5 482 482
Amatrice RI 6 2657 3139
Accumoli RI 9 667 3806
Montereale AQ 10 2581 6387
Capitignano AQ 13 665 7052
Borbona RI 14 617 7669
Campotosto AQ 14 542 8211
Posta RI 14 694 8905
Cagnano Amiterno AQ 17 1369 10274
Arquata del Tronto AP 19 1178 11452
Barete AQ 19 737 12189

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NW of L'Aquila (69753 inhabitants)
40 Km W of Teramo (54892 inhabitants)
47 Km E of Terni (111501 inhabitants)
57 Km SE of Foligno (57155 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
80 Km NE of Guidonia Montecelio (88673 inhabitants)
80 Km NE of Tivoli (56533 inhabitants)
83 Km W of Chieti (51815 inhabitants)
83 Km W of Pescara (121014 inhabitants)
87 Km SE of Perugia (166134 inhabitants)
94 Km E of Viterbo (67173 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 2.4 2017-12-28
18:56:52		 42.6168 13.2197 8 2018-09-04
09:10:42		 Bollettino Sismico Italiano INGV 55423901
Reviewed
Rev100 		ML 2.4 2017-12-28
18:56:52		 42.6163 13.2398 11 2017-12-28
19:05:30		 Sala Sismica INGV-Roma 52877091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-12-28 18:56:52 ± 0.07
Latitude 42.6168 ± 0.0027
Longitude 13.2197 ± 0.0061
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 55423901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 458
Semi-minor axis of confidence ellipse (meter) 259
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 75
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 57
Number of defining phases 53
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.75813
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 52
Type of magnitude ML
Reference to an origin 55423901
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-04-11 09:05:05

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 66
Type of magnitude ML
Reference to an origin 52877091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-12-28 19:05:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2017-12-28T18:57:18.25 0.1 undecidable manual S 359 84.1491 50 0.62 77
IV.EL6.EHZ. 2017-12-28T18:57:16.69 0.3 undecidable manual S 353 79.5648 50 0.28 64
IV.SNTG.HHZ. 2017-12-28T18:57:15.44 0.1 undecidable manual S 342 74.37 50 0.44 84
IV.T0110.HHZ. 2017-12-28T18:57:11.96 0.1 undecidable manual S 133 62.6928 50 0.08 92
IV.VCEL.EHZ. 2017-12-28T18:57:10.24 0.1 undecidable manual S 116 56.499 50 0.02 95
IV.MOMA.HHZ. 2017-12-28T18:57:10.39 0.1 undecidable manual S 292 56.8986 50 0.06 94
IV.CSP1.EHZ. 2017-12-28T18:57:09.05 0.3 undecidable manual S 359 52.7028 50 -0.17 69
IV.CESX.HHZ. 2017-12-28T18:57:09.62 0.1 undecidable manual S 269 51.7038 50 0.67 81
IV.OFFI.HHZ. 2017-12-28T18:57:09.63 0.3 undecidable manual S 47 51.8037 50 0.65 61
IV.FAGN.HHZ. 2017-12-28T18:57:08.76 0.1 undecidable manual S 142 49.0176 50 0.51 86
IV.GUMA.HHZ. 2017-12-28T18:57:08.87 0.1 undecidable manual S 11 50.3163 50 0.28 91
IV.MF5.EHZ. 2017-12-28T18:57:07.52 0.1 undecidable manual S 25 45.5211 50 0.21 93
IV.FDMO.HHZ. 2017-12-28T18:57:07.67 0.1 undecidable manual S 347 47.8188 50 -0.24 92
IV.CING.HHZ. 2017-12-28T18:57:06.80 0.3 undecidable manual P 359 84.1491 50 -0.03 67
IV.EL6.EHZ. 2017-12-28T18:57:05.67 0.3 undecidable manual P 353 79.5648 50 -0.44 62
IV.FEMA.HNE. 2017-12-28T18:57:05.95 0.3 undecidable manual S 340 40.7259 50 -0.07 72
IV.SNTG.HHZ. 2017-12-28T18:57:05.15 0.3 undecidable manual P 342 74.37 50 -0.15 67
IV.PP3.EHZ. 2017-12-28T18:57:05.87 3.0 undecidable manual P -2.13 0
IV.ARRO.EHZ. 2017-12-28T18:57:04.71 0.1 undecidable manual S 264 37.3293 50 -0.4 90
IV.MC2.EHZ. 2017-12-28T18:57:04.21 0.1 undecidable manual S 356 32.745 104 0.43 91
IV.ASSB.HHZ. 2017-12-28T18:57:04.00 3.0 negative manual P -0.05 0
IV.TRTR.HHZ. 2017-12-28T18:57:03.55 0.1 undecidable manual P 69 60.3951 50 0.39 87
IV.MMO1.EHZ. 2017-12-28T18:57:03.01 0.3 undecidable manual S 16 32.5452 104 -0.7 62
IV.T0110.HHZ. 2017-12-28T18:57:02.82 0.1 undecidable manual P 133 62.6928 50 -0.68 79
OB.GAVE.EHZ. 2017-12-28T18:57:02.29 3.0 undecidable manual S -0.03 0
IV.VCEL.EHZ. 2017-12-28T18:57:02.22 0.1 undecidable manual P 116 56.499 50 -0.33 89
IV.MOMA.HHZ. 2017-12-28T18:57:02.40 0.1 undecidable manual P 292 56.8986 50 -0.21 91
IV.FAGN.HHZ. 2017-12-28T18:57:01.68 0.1 undecidable manual P 142 49.0176 50 0.27 91
IV.GUMA.HHZ. 2017-12-28T18:57:01.42 0.1 undecidable manual P 11 50.3163 50 -0.18 93
IV.OFFI.HHZ. 2017-12-28T18:57:01.93 0.1 undecidable manual P 47 51.8037 50 0.1 94
IV.NRCA.HNZ. 2017-12-28T18:57:01.12 0.3 undecidable manual S 340 25.5522 108 -0.25 72
IV.CSP1.EHZ. 2017-12-28T18:57:01.52 0.1 undecidable manual P 359 52.7028 50 -0.45 87
IV.CESX.HHZ. 2017-12-28T18:57:01.67 0.1 undecidable manual P 269 51.7038 50 -0.14 93
IV.FDMO.HHZ. 2017-12-28T18:57:00.76 0.1 undecidable manual P 347 47.8188 50 -0.45 88
IV.MF5.EHZ. 2017-12-28T18:57:00.67 0.1 undecidable manual P 25 45.5211 50 -0.19 93
IV.FEMA.HNE. 2017-12-28T18:57:00.61 0.1 undecidable manual P 340 40.7259 50 0.49 88
IV.MTRA.HNZ. 2017-12-28T18:56:59.40 0.3 undecidable manual S 43 21.1677 111 -0.55 67
IV.ARRO.EHZ. 2017-12-28T18:56:59.28 0.1 undecidable manual P 264 37.3293 50 -0.32 92
IV.T1247.HHZ. 2017-12-28T18:56:59.69 0.3 undecidable manual S 162 20.4684 112 -0.03 75
IV.T1214.EHZ. 2017-12-28T18:56:58.66 0.3 undecidable manual S 357 15.873 117 0.4 70
IV.MMO1.EHZ. 2017-12-28T18:56:58.23 0.1 undecidable manual P 16 32.5452 104 -0.56 87
IV.MC2.EHZ. 2017-12-28T18:56:58.52 0.1 undecidable manual P 356 32.745 104 -0.31 93
MN.AQU.HHE. 2017-12-28T18:56:58.25 0.3 undecidable manual P 152 32.8449 104 -0.6 64
IV.CAMP.HHZ. 2017-12-28T18:56:58.44 0.3 undecidable manual S 120 17.871 115 -0.46 69
IV.TERO.HHZ. 2017-12-28T18:56:57.76 0.1 undecidable manual P 89 31.3464 105 -0.8 79
IV.RM33.HNZ. 2017-12-28T18:56:57.56 0.3 undecidable manual S 182 11.9769 124 0.46 70
OB.GAVE.EHZ. 2017-12-28T18:56:57.85 3.0 undecidable manual P -0.1 0
IV.NRCA.HNZ. 2017-12-28T18:56:57.34 0.1 undecidable manual P 340 25.5522 108 -0.09 99
IV.T1299.EHZ. 2017-12-28T18:56:56.04 0.1 undecidable manual S 69 5.4945 146 0.55 92
IV.T1247.HHZ. 2017-12-28T18:56:56.40 0.3 undecidable manual P 162 20.4684 112 -0.09 75
IV.SMA1.EHZ. 2017-12-28T18:56:56.74 0.3 undecidable manual S 81 9.5793 131 0.31 73
IV.MTRA.HNZ. 2017-12-28T18:56:56.36 0.1 undecidable manual P 43 21.1677 111 -0.25 96
IV.CAMP.HHZ. 2017-12-28T18:56:55.92 0.1 undecidable manual P 120 17.871 115 -0.09 100
IV.T1214.EHZ. 2017-12-28T18:56:55.94 0.1 undecidable manual P 357 15.873 117 0.3 96
IV.SMA1.EHZ. 2017-12-28T18:56:55.01 0.1 undecidable manual P 81 9.5793 131 0.42 95
IV.RM33.HNZ. 2017-12-28T18:56:55.40 0.1 undecidable manual P 182 11.9769 124 0.43 94
IV.T1299.EHZ. 2017-12-28T18:56:54.50 0.1 undecidable manual P 69 5.4945 146 0.46 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNN. ML:2.6 0.0053692445 0.13 AML other m 2017-12-28T18:56:57.89
IV.RM33.EHN. ML:2.6 0.0054912634999999994 0.14 AML other m 2017-12-28T18:56:57.90
IV.RM33.HNE. ML:2.8 0.008976816 0.22 AML other m 2017-12-28T18:56:58.36
IV.RM33.EHE. ML:2.8 0.00867178 0.22 AML other m 2017-12-28T18:56:58.37
IV.MTRA.EHN. ML:2.8 0.004838279 1.66 AML other m 2017-12-28T18:57:00.87
IV.MTRA.HNN. ML:2.8 0.0049117935 1.67 AML other m 2017-12-28T18:57:00.87
IV.CAMP.HHE. ML:1.9 0.00076097385 0.52 AML other m 2017-12-28T18:57:00.51
IV.T1214.EHN. ML:2.1 0.0012345045 0.256 AML other m 2017-12-28T18:57:00.42
IV.T1214.HNE. ML:2.2 0.0015377610000000001 0.224 AML other m 2017-12-28T18:57:00.50
IV.T1214.EHE. ML:2.2 0.0016741825000000001 0.304 AML other m 2017-12-28T18:57:00.66
IV.MTRA.HNE. ML:2.9 0.006362563 0.34 AML other m 2017-12-28T18:57:00.36
IV.MTRA.EHE. ML:2.9 0.006338102 0.34 AML other m 2017-12-28T18:57:00.36
IV.NRCA.HNN. ML:2.4 0.0015389820000000002 0.16 AML other m 2017-12-28T18:57:01.29
IV.NRCA.HHE. ML:2.5 0.0020379309999999998 0.14 AML other m 2017-12-28T18:57:01.38
IV.NRCA.HNE. ML:2.5 0.0019898224999999998 0.15 AML other m 2017-12-28T18:57:01.38
IV.CAMP.HHN. ML:2.0 0.0009828728 0.42 AML other m 2017-12-28T18:57:01.45
IV.T1214.HNN. ML:2.1 0.0012636065 0.256 AML other m 2017-12-28T18:57:01.56
IV.TERO.HHE. ML:2.4 0.0010532229499999998 1.84 AML other m 2017-12-28T18:57:02.05
IV.GUMA.HNN. ML:2.9 0.001955 0.42 AML other m 2017-12-28T18:57:02.39
IV.TERO.HNN. ML:2.1 0.0006245438 0.14 AML other m 2017-12-28T18:57:02.24
IV.NRCA.HHN. ML:2.4 0.0016173415 0.14 AML other m 2017-12-28T18:57:02.42
OB.GAVE.HNN. ML:2.1 0.0006540614499999999 0.2 AML other m 2017-12-28T18:57:02.93
OB.GAVE.EHN. ML:2.6 0.00220403 0.18 AML other m 2017-12-28T18:57:02.94
OB.GAVE.HNE. ML:2.5 0.0018899035 0.19 AML other m 2017-12-28T18:57:03.69
OB.GAVE.EHE. ML:2.6 0.0019003665 0.18 AML other m 2017-12-28T18:57:03.70
IV.ARRO.EHE. ML:2.1 0.00044517735 0.2 AML other m 2017-12-28T18:57:05.18
IV.MF5.EHN. ML:2.4 0.0008185964 0.24 AML other m 2017-12-28T18:57:07.79
IV.ARRO.EHN. ML:2.2 0.0006009625000000001 0.16 AML other m 2017-12-28T18:57:08.25
IV.FDMO.HHE. ML:2.1 0.00032121644999999997 0.16 AML other m 2017-12-28T18:57:08.56
IV.FDMO.HHN. ML:2.1 0.00034898989999999994 0.18 AML other m 2017-12-28T18:57:08.72
IV.GUMA.HHE. ML:3.0 0.0024799055000000003 0.3 AML other m 2017-12-28T18:57:09.22
IV.GUMA.HNE. ML:2.8 0.001585 0.3 AML other m 2017-12-28T18:57:09.22
IV.MF5.EHE. ML:2.5 0.0009310000000000001 0.56 AML other m 2017-12-28T18:57:09.35
IV.GUMA.HHN. ML:2.6 0.0010986393500000001 0.38 AML other m 2017-12-28T18:57:09.87
IV.CESX.HHN. ML:2.3 0.000515021 0.22 AML other m 2017-12-28T18:57:10.45
IV.FAGN.HHE. ML:2.3 0.0005097834999999999 0.32 AML other m 2017-12-28T18:57:10.81
IV.VCEL.EHN. ML:2.4 0.0006002888 1.82 AML other m 2017-12-28T18:57:10.92
IV.CESX.HHE. ML:2.2 0.0003819452 0.18 AML other m 2017-12-28T18:57:11.04
IV.OFFI.HHE. ML:2.5 0.00083167525 0.22 AML other m 2017-12-28T18:57:11.24
IV.MOMA.HNE. ML:2.4 0.0006249422 0.2 AML other m 2017-12-28T18:57:11.16
IV.MOMA.HHE. ML:2.5 0.0006568493500000002 0.2 AML other m 2017-12-28T18:57:11.26
IV.OFFI.HHN. ML:2.6 0.0009721262 0.52 AML other m 2017-12-28T18:57:11.35
IV.VCEL.EHE. ML:2.5 0.0007376009 0.22 AML other m 2017-12-28T18:57:12.18
IV.MOMA.HHN. ML:2.3 0.0004597705 0.18 AML other m 2017-12-28T18:57:13.34
IV.MOMA.HNN. ML:2.3 0.0004559454 0.19 AML other m 2017-12-28T18:57:13.25
IV.T0110.HHE. ML:2.4 0.0004420369 1.62 AML other m 2017-12-28T18:57:17.99
IV.T0110.HHN. ML:2.2 0.00033786479999999995 0.38 AML other m 2017-12-28T18:57:18.71
IV.FAGN.HHN. ML:2.3 0.0005018876999999999 0.46 AML other m 2017-12-28T18:57:20.68
IV.EL6.EHE. ML:2.2 0.000214949 0.2 AML other m 2017-12-28T18:57:21.07
IV.CING.HHN. ML:2.0 0.0001426282 0.24 AML other m 2017-12-28T18:57:26.21
IV.EL6.EHN. ML:2.3 0.00029556535000000003 0.48 AML other m 2017-12-28T18:57:29.28
IV.CING.HHE. ML:2.2 0.00017826713 0.34 AML other m 2017-12-28T18:57:29.24
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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