Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 11-01-2018 and time 21:39:39 (Italy) in region 2 km N Accumoli (RI)

A magnitude ML 2.5 earthquake occured in region: 2 km N Accumoli (RI), on

  • 11-01-2018 20:39:39 (UTC)
  • 11-01-2018 21:39:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7160, 13.2540 at 13 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
Accumoli RI 2 667 667
Arquata del Tronto AP 7 1178 1845
Amatrice RI 10 2657 4502
Cittareale RI 13 482 4984
Acquasanta Terme AP 14 2916 7900
Montegallo AP 16 523 8423
Norcia PG 16 4957 13380
Cascia PG 20 3217 16597
Campotosto AQ 20 542 17139

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km W of Teramo (54892 inhabitants)
42 Km N of L'Aquila (69753 inhabitants)
52 Km SE of Foligno (57155 inhabitants)
53 Km E of Terni (111501 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
83 Km SE of Perugia (166134 inhabitants)
83 Km W of Pescara (121014 inhabitants)
85 Km W of Chieti (51815 inhabitants)
91 Km NE of Guidonia Montecelio (88673 inhabitants)
92 Km NE of Tivoli (56533 inhabitants)
100 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 2.5 2018-01-11
20:39:39		 42.716 13.2542 13 2019-04-24
14:49:23		 Bollettino Sismico Italiano INGV 55183521
Reviewed
Rev100 		ML 2.5 2018-01-11
20:39:39		 42.7203 13.259 12 2018-01-11
20:46:49		 Sala Sismica INGV-Roma 53146961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-01-11 20:39:39 ± 0.05
Latitude 42.7160 ± 0.0027
Longitude 13.2542 ± 0.0049
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 55183521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 369
Semi-minor axis of confidence ellipse (meter) 88
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 63
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 41
Number of associated phases, regardless of their use for origin computation 63
Number of defining phases 57
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.03602
Number of stations at which the event was observed 47
Number of stations from which data was used for origin computation 42
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.4
Num. used stations 88
Type of magnitude ML
Reference to an origin 55183521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-04-06 12:37:36

ML:2.5

Field Value
Value 2.5
Uncertainty 0.4
Num. used stations 82
Type of magnitude ML
Reference to an origin 53146961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-01-11 20:46:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TRIF.HHZ. 2018-01-11T20:40:15.84 3.0 undecidable manual Pg 6.7 0
IV.NARO.HHZ. 2018-01-11T20:39:58.24 0.3 undecidable manual P 331 113.1978 91 0.06 62
IV.FSSB.HHZ. 2018-01-11T20:39:58.67 0.3 undecidable manual P 341 114.996 91 0.21 60
IV.PIEI.HHZ. 2018-01-11T20:39:57.42 0.6 undecidable manual P 328 108.0141 91 0.05 42
IV.ARVD.HHZ. 2018-01-11T20:39:54.67 0.3 undecidable manual P 344 90.3429 91 0.01 65
IV.SSFR.HHZ. 2018-01-11T20:39:54.40 0.3 undecidable manual P 335 88.5447 91 0.01 65
IV.MURB.HHZ. 2018-01-11T20:39:54.46 0.3 undecidable manual P 316 84.7485 91 0.66 56
IV.SRES.HHZ. 2018-01-11T20:39:53.20 0.3 undecidable manual P 229 80.8635 91 0.01 67
IV.PP3.EHZ. 2018-01-11T20:39:53.61 3.0 negative manual P 0.05 0
IV.CESI.HHZ. 2018-01-11T20:39:53.43 0.3 undecidable manual S 319 42.8238 93 0.21 68
IV.FOSV.EHZ. 2018-01-11T20:39:52.34 0.3 undecidable manual P 328 75.6687 92 -0.05 67
IV.CING.HHZ. 2018-01-11T20:39:51.85 0.3 undecidable manual P 356 73.2711 92 -0.18 65
IV.T0110.HHZ. 2018-01-11T20:39:51.15 0.3 undecidable manual P 141 68.8755 92 -0.2 65
IV.T1221.HNE. 2018-01-11T20:39:51.36 0.3 undecidable manual S 296 36.8298 94 -0.25 69
IV.ATCC.EHZ. 2018-01-11T20:39:51.78 0.3 undecidable manual P 316 72.0723 92 -0.06 67
IV.MF5.EHZ. 2018-01-11T20:39:51.80 0.3 undecidable manual S 29 34.4433 95 0.81 58
IV.EL6.EHZ. 2018-01-11T20:39:51.21 0.3 undecidable manual P 350 69.1752 92 -0.18 66
IV.SNTG.HHZ. 2018-01-11T20:39:50.72 0.3 undecidable manual P 337 64.9905 92 -0.03 69
IV.GAG1.HNZ. 2018-01-11T20:39:50.14 3.0 undecidable manual P -0.09 0
IV.T1247.HHZ. 2018-01-11T20:39:50.23 0.6 undecidable manual S 173 30.6471 96 0.25 47
IV.TRTR.HHZ. 2018-01-11T20:39:50.17 0.1 undecidable manual P 79 54.7008 92 1.01 70
IV.FAGN.HHZ. 2018-01-11T20:39:49.60 0.3 undecidable manual P 152 56.7987 92 0.12 69
IV.TERO.HHN. 2018-01-11T20:39:49.47 0.1 undecidable manual S 110 30.3474 96 -0.43 87
IV.CESX.HHZ. 2018-01-11T20:39:49.17 0.3 undecidable manual P 258 55.6998 92 -0.15 68
OB.GAVE.HNZ. 2018-01-11T20:39:49.83 3.0 undecidable manual S 0.01 0
IV.VCEL.EHZ. 2018-01-11T20:39:49.96 0.3 undecidable manual P 126 59.6958 92 0.02 69
IV.ASSB.HHZ. 2018-01-11T20:39:49.94 3.0 positive manual P -0.32 0
IV.MOMA.HHZ. 2018-01-11T20:39:49.33 0.1 undecidable manual P 280 56.5989 92 -0.12 91
IV.MNTP.HNZ. 2018-01-11T20:39:48.84 0.1 undecidable manual P 20 49.9167 93 0.42 87
IV.RM33.EHZ. 2018-01-11T20:39:48.24 0.3 undecidable manual S 188 23.1546 99 0.24 72
IV.LNSS.HHZ. 2018-01-11T20:39:47.96 0.3 undecidable manual S 234 21.4674 101 0.41 68
IV.OFFI.HHZ. 2018-01-11T20:39:47.95 0.1 undecidable manual P 55 42.7239 93 0.63 83
IV.CESI.HHZ. 2018-01-11T20:39:47.19 0.1 positive manual P 319 42.8238 93 -0.15 93
IV.CAMP.HHZ. 2018-01-11T20:39:47.73 0.3 undecidable manual S 148 23.6541 99 -0.39 67
IV.ARRO.EHZ. 2018-01-11T20:39:47.21 0.1 positive manual P 249 42.624 93 -0.1 93
IV.MMO1.EHZ. 2018-01-11T20:39:47.10 0.3 undecidable manual S 16 21.1677 101 -0.37 69
IV.CSP1.EHZ. 2018-01-11T20:39:47.00 0.3 undecidable manual P 355 41.9247 93 -0.19 69
IV.MC2.EHZ. 2018-01-11T20:39:47.85 0.3 undecidable manual S 346 22.3554 100 0.08 72
IV.PF6.EHN. 2018-01-11T20:39:47.68 0.1 undecidable manual P 354 47.0196 93 -0.31 89
IV.GUMA.HHZ. 2018-01-11T20:39:46.82 0.3 undecidable manual P 10 39.0276 94 0.07 71
IV.MF5.EHZ. 2018-01-11T20:39:46.25 0.1 undecidable manual P 29 34.4433 95 0.19 94
IV.FDMO.HHZ. 2018-01-11T20:39:46.31 0.1 undecidable manual P 339 38.0286 94 -0.29 91
IV.NRCA.HNZ. 2018-01-11T20:39:46.15 0.3 undecidable manual S 319 17.2716 108 -0.32 71
IV.GIGS.HHZ. 2018-01-11T20:39:46.38 0.3 undecidable manual P 138 39.1275 94 -0.38 65
IV.T1221.HNE. 2018-01-11T20:39:46.34 0.1 positive manual P 296 36.8298 94 -0.07 95
IV.FEMA.HNE. 2018-01-11T20:39:45.56 0.3 undecidable manual P 329 31.9458 95 -0.11 72
IV.SMA1.EHZ. 2018-01-11T20:39:45.03 0.3 undecidable manual S 145 11.5773 124 -0.06 73
IV.TERO.HHN. 2018-01-11T20:39:45.15 0.1 undecidable manual P 110 30.3474 96 -0.27 91
IV.T1247.HHZ. 2018-01-11T20:39:45.40 0.1 positive manual P 173 30.6471 96 -0.07 95
OB.GAVE.HNZ. 2018-01-11T20:39:45.23 3.0 undecidable manual P -0.17 0
IV.RM33.EHZ. 2018-01-11T20:39:44.42 0.1 positive manual P 188 23.1546 99 0.09 98
IV.MC2.EHZ. 2018-01-11T20:39:44.10 0.1 undecidable manual P 346 22.3554 100 -0.09 97
IV.T1214.EHZ. 2018-01-11T20:39:44.02 0.3 undecidable manual S 323 6.0939 148 -0.05 76
IV.LNSS.HHZ. 2018-01-11T20:39:44.17 0.1 positive manual P 234 21.4674 101 0.1 98
IV.T1299.HNZ. 2018-01-11T20:39:44.87 0.1 undecidable manual S 166 9.3795 133 0.24 98
IV.CAMP.HHZ. 2018-01-11T20:39:44.30 0.1 undecidable manual P 148 23.6541 99 -0.1 95
IV.MTRA.HNZ. 2018-01-11T20:39:44.87 0.1 undecidable manual S 69 12.4764 121 -0.42 91
IV.MMO1.EHZ. 2018-01-11T20:39:43.82 0.1 undecidable manual P 16 21.1677 101 -0.2 95
IV.NRCA.HNZ. 2018-01-11T20:39:43.34 0.1 undecidable manual P 319 17.2716 108 -0.1 98
IV.T1299.HNZ. 2018-01-11T20:39:42.65 0.1 positive manual P 166 9.3795 133 0.27 97
IV.MTRA.HNZ. 2018-01-11T20:39:42.66 0.1 negative manual P 69 12.4764 121 -0.11 98
IV.SMA1.EHZ. 2018-01-11T20:39:42.75 0.1 negative manual P 145 11.5773 124 0.1 100
IV.T1214.EHZ. 2018-01-11T20:39:42.16 0.1 negative manual P 323 6.0939 148 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1214.HNE. ML:3.0 0.011725000000000001 0.42 AML other m 2018-01-11T20:39:44.29
IV.T1214.EHE. ML:2.9 0.010879999999999999 0.42 AML other m 2018-01-11T20:39:44.29
IV.T1214.HNN. ML:2.6 0.0056 0.62 AML other m 2018-01-11T20:39:44.25
IV.T1214.EHN. ML:2.6 0.00532 0.62 AML other m 2018-01-11T20:39:44.25
IV.T1299.EHN. ML:2.6 0.004645 1.52 AML other m 2018-01-11T20:39:44.96
IV.T1299.HNN. ML:2.6 0.0047 1.52 AML other m 2018-01-11T20:39:44.96
IV.T1299.EHE. ML:2.8 0.00672 0.1 AML other m 2018-01-11T20:39:45.00
IV.T1299.HNE. ML:2.8 0.00674 0.1 AML other m 2018-01-11T20:39:45.00
IV.MTRA.HNN. ML:2.8 0.006765 0.86 AML other m 2018-01-11T20:39:45.45
IV.MTRA.EHN. ML:2.8 0.0066749999999999995 0.84 AML other m 2018-01-11T20:39:45.45
IV.SMA1.EHE. ML:2.7 0.0056749999999999995 0.38 AML other m 2018-01-11T20:39:45.18
IV.SMA1.EHN. ML:2.7 0.0051649999999999995 0.1 AML other m 2018-01-11T20:39:45.35
IV.MTRA.HNE. ML:3.1 0.011359999999999999 0.18 AML other m 2018-01-11T20:39:45.45
IV.MTRA.EHE. ML:3.1 0.011265 0.18 AML other m 2018-01-11T20:39:45.46
IV.NRCA.HNN. ML:3.1 0.009914999999999998 0.14 AML other m 2018-01-11T20:39:46.27
IV.NRCA.HHE. ML:3.3 0.0169 0.16 AML other m 2018-01-11T20:39:46.27
IV.NRCA.HNE. ML:3.3 0.0158 0.18 AML other m 2018-01-11T20:39:46.27
IV.NRCA.HHN. ML:3.1 0.01046 1.04 AML other m 2018-01-11T20:39:46.26
IV.CAMP.HHE. ML:2.0 0.0006730000000000001 0.72 AML other m 2018-01-11T20:39:48.13
IV.RM33.HNN. ML:2.6 0.00271 0.28 AML other m 2018-01-11T20:39:48.41
IV.RM33.EHN. ML:2.6 0.002675 0.3 AML other m 2018-01-11T20:39:48.41
IV.LNSS.HHE. ML:2.8 0.00394 0.22 AML other m 2018-01-11T20:39:48.52
IV.LNSS.HHN. ML:2.7 0.0033399999999999997 0.44 AML other m 2018-01-11T20:39:48.59
IV.CAMP.HHN. ML:2.0 0.000671 0.46 AML other m 2018-01-11T20:39:49.04
IV.RM33.HNE. ML:2.6 0.0022800000000000003 0.98 AML other m 2018-01-11T20:39:49.10
IV.RM33.EHE. ML:2.6 0.0022949999999999997 0.98 AML other m 2018-01-11T20:39:49.10
OB.GAVE.HNE. ML:2.7 0.002485 0.2 AML other m 2018-01-11T20:39:50.78
OB.GAVE.EHE. ML:2.8 0.0027199999999999998 0.16 AML other m 2018-01-11T20:39:50.78
OB.GAVE.EHN. ML:2.6 0.002065 1.3 AML other m 2018-01-11T20:39:51.71
OB.GAVE.HNN. ML:2.2 0.00074 1.28 AML other m 2018-01-11T20:39:51.71
IV.MF5.EHN. ML:2.6 0.001565 1.02 AML other m 2018-01-11T20:39:52.58
IV.MF5.EHE. ML:2.8 0.0025 0.5 AML other m 2018-01-11T20:39:52.60
IV.GIGS.HHN. ML:1.6 0.000126 1.12 AML other m 2018-01-11T20:39:52.98
IV.GUMA.HNN. ML:3.2 0.004885 0.3 AML other m 2018-01-11T20:39:53.30
IV.GUMA.HHN. ML:3.2 0.00507 0.32 AML other m 2018-01-11T20:39:53.17
IV.GUMA.HNE. ML:3.1 0.004645 0.28 AML other m 2018-01-11T20:39:53.36
IV.GUMA.HHE. ML:3.2 0.005965 0.26 AML other m 2018-01-11T20:39:53.25
IV.CSP1.EHE. ML:2.1 0.0003735 0.28 AML other m 2018-01-11T20:39:53.48
IV.CESI.HHN. ML:2.4 0.0007624999999999999 1.7 AML other m 2018-01-11T20:39:53.94
IV.CESI.HHE. ML:2.1 0.00039949999999999995 0.9 AML other m 2018-01-11T20:39:54.22
IV.ARRO.EHE. ML:2.3 0.0006285 0.2 AML other m 2018-01-11T20:39:54.41
IV.GIGS.HHE. ML:1.6 0.00013700000000000002 0.38 AML other m 2018-01-11T20:39:54.57
IV.ARRO.EHN. ML:2.4 0.000839 0.16 AML other m 2018-01-11T20:39:55.21
IV.CSP1.EHN. ML:1.8 0.00019600000000000002 1.08 AML other m 2018-01-11T20:39:55.18
IV.OFFI.HHE. ML:3.0 0.003255 1.58 AML other m 2018-01-11T20:39:55.89
IV.OFFI.HHN. ML:2.9 0.002275 1.56 AML other m 2018-01-11T20:39:56.85
IV.CESX.HHN. ML:2.2 0.000319 0.16 AML other m 2018-01-11T20:39:57.89
IV.MOMA.HHN. ML:2.4 0.0005480000000000001 0.9 AML other m 2018-01-11T20:39:58.81
IV.MOMA.HHE. ML:2.6 0.0008285 0.76 AML other m 2018-01-11T20:39:59.54
IV.ASSB.HHE. ML:2.2 0.0003135 0.18 AML other m 2018-01-11T20:39:59.61
IV.CESX.HHE. ML:2.1 0.000295 0.5 AML other m 2018-01-11T20:39:59.69
IV.ASSB.HHN. ML:2.1 0.00023299999999999997 0.38 AML other m 2018-01-11T20:40:00.25
IV.VCEL.EHN. ML:2.4 0.0004905 1.08 AML other m 2018-01-11T20:40:00.11
IV.FAGN.HHE. ML:2.1 0.0002965 1.34 AML other m 2018-01-11T20:40:01.81
IV.VCEL.EHE. ML:2.2 0.0003215 0.22 AML other m 2018-01-11T20:40:01.84
IV.SNTG.HHE. ML:1.8 0.000125 0.34 AML other m 2018-01-11T20:40:02.15
IV.CING.HHE. ML:2.4 0.0003855 0.48 AML other m 2018-01-11T20:40:03.02
IV.EL6.EHN. ML:2.4 0.00042 0.78 AML other m 2018-01-11T20:40:03.41
IV.EL6.EHE. ML:2.3 0.00036899999999999997 0.16 AML other m 2018-01-11T20:40:03.58
IV.SNTG.HHN. ML:1.9 0.000133 0.1 AML other m 2018-01-11T20:40:03.55
IV.CING.HHN. ML:2.2 0.000272 0.58 AML other m 2018-01-11T20:40:03.67
IV.ATCC.EHE. ML:2.1 0.00017749999999999998 0.24 AML other m 2018-01-11T20:40:04.02
IV.FAGN.HHN. ML:2.2 0.000329 1.68 AML other m 2018-01-11T20:40:04.10
IV.TRTR.HHE. ML:2.8 0.00143 0.34 AML other m 2018-01-11T20:40:04.46
IV.FOSV.EHE. ML:1.8 0.00010400000000000001 0.56 AML other m 2018-01-11T20:40:04.46
IV.SRES.HHN. ML:1.8 0.0000967 1.66 AML other m 2018-01-11T20:40:06.11
IV.ATCC.EHN. ML:2.0 0.000158 0.4 AML other m 2018-01-11T20:40:06.13
IV.T0110.HHN. ML:2.1 0.0002195 0.58 AML other m 2018-01-11T20:40:06.36
IV.PP3.HNN. ML:3.0 0.00152 1.64 AML other m 2018-01-11T20:40:06.08
IV.PP3.EHN. ML:3.0 0.0015400000000000001 1.64 AML other m 2018-01-11T20:40:06.08
IV.PP3.EHE. ML:2.8 0.0009435 1.58 AML other m 2018-01-11T20:40:06.18
IV.PP3.HNE. ML:2.8 0.0009170000000000001 0.3 AML other m 2018-01-11T20:40:07.18
IV.SSFR.HHE. ML:2.4 0.0003 1.1 AML other m 2018-01-11T20:40:07.32
IV.SSFR.HHN. ML:2.5 0.00036750000000000004 0.24 AML other m 2018-01-11T20:40:07.63
IV.SRES.HHE. ML:2.1 0.0001525 0.4 AML other m 2018-01-11T20:40:08.89
IV.MURB.HNN. ML:2.5 0.0003635 1.08 AML other m 2018-01-11T20:40:09.04
IV.FOSV.EHN. ML:2.0 0.000146 0.82 AML other m 2018-01-11T20:40:09.68
IV.MURB.HNE. ML:2.5 0.0003835 0.22 AML other m 2018-01-11T20:40:09.42
IV.MURB.HHE. ML:2.5 0.000376 0.3 AML other m 2018-01-11T20:40:09.56
IV.TRTR.HHN. ML:2.6 0.0010400000000000001 0.44 AML other m 2018-01-11T20:40:10.36
IV.T0110.HHE. ML:2.0 0.00018449999999999999 0.84 AML other m 2018-01-11T20:40:14.45
IV.MURB.HHN. ML:2.4 0.00029949999999999996 1.66 AML other m 2018-01-11T20:40:15.01
IV.FSSB.HHN. ML:2.5 0.000257 1.62 AML other m 2018-01-11T20:40:17.04
IV.PIEI.HHN. ML:1.8 0.000059550000000000004 0.5 AML other m 2018-01-11T20:40:20.33
IV.FSSB.HHE. ML:2.3 0.000175 0.46 AML other m 2018-01-11T20:40:20.09
IV.PIEI.HHE. ML:1.9 0.0000709 0.68 AML other m 2018-01-11T20:40:21.64
IV.NARO.HHE. ML:1.9 0.00006245 1.18 AML other m 2018-01-11T20:40:22.24
IV.NARO.HHN. ML:1.8 0.0000557 0.72 AML other m 2018-01-11T20:40:26.17
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