Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 21-01-2019 and time 05:01:07 (Italy) in region 4 km W Arquata del Tronto (AP)

A magnitude ML 2.0 earthquake occured in region: 4 km W Arquata del Tronto (AP), on

  • 21-01-2019 04:01:07 (UTC)
  • 21-01-2019 05:01:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7880, 13.2490 at 14 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
Arquata del Tronto AP 4 1178 1178
Montegallo AP 9 523 1701
Accumoli RI 10 667 2368
Norcia PG 13 4957 7325
Acquasanta Terme AP 13 2916 10241
Montemonaco AP 14 604 10845
Castelsantangelo sul Nera MC 14 281 11126
Amatrice RI 18 2657 13783
Montefortino FM 19 1178 14961
Ussita MC 20 444 15405
Preci PG 20 724 16129

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km W of Teramo (54892 inhabitants)
48 Km E of Foligno (57155 inhabitants)
50 Km N of L'Aquila (69753 inhabitants)
55 Km E of Terni (111501 inhabitants)
79 Km E of Perugia (166134 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
87 Km W of Pescara (121014 inhabitants)
90 Km NW of Chieti (51815 inhabitants)
95 Km S of Ancona (100861 inhabitants)
97 Km NE of Guidonia Montecelio (88673 inhabitants)
99 Km NE of Tivoli (56533 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 2019-01-21
04:01:07		 42.7878 13.2488 14 2019-08-22
08:24:56		 Bollettino Sismico Italiano INGV 67462011
Reviewed
Rev100 		ML 2.1 2019-01-21
04:01:07		 42.7838 13.2487 11 2019-01-21
04:05:57		 Sala Sismica INGV-Roma 64833931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-01-21 04:01:07 ± 0.05
Latitude 42.7878 ± 0.0018
Longitude 13.2488 ± 0.0037
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 67462011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 350
Semi-minor axis of confidence ellipse (meter) 14
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 81
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 57
Number of associated phases, regardless of their use for origin computation 58
Number of defining phases 47
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.91461
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 48
Type of magnitude ML
Reference to an origin 64833931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-01-21 04:05:57

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 47
Type of magnitude ML
Reference to an origin 67462011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-11 13:20:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOCO.HHZ. 2019-01-21T04:01:40.91 3.0 negative manual Pn 1.65 0
IV.LPEL.HHZ. 2019-01-21T04:01:40.79 3.0 undecidable manual S 0.33 0
IT.PLTA.HNZ. 2019-01-21T04:01:32.03 3.0 undecidable manual P 0.34 0
IV.ASSB.HHZ. 2019-01-21T04:01:26.62 3.0 undecidable manual S 1.43 0
IV.CERT.HHZ. 2019-01-21T04:01:25.82 3.0 positive manual P 95.6376 2.6 0
IV.INTR.HHZ. 2019-01-21T04:01:23.92 3.0 positive manual P 101.5206 -0.21 0
IV.MTCE.HHZ. 2019-01-21T04:01:22.60 3.0 negative manual P 94.4388 -0.45 0
IV.MML1.HNE. 2019-01-21T04:01:21.08 0.3 undecidable manual S 328 42.5241 95 0.17 70
IV.MDAR.HNN. 2019-01-21T04:01:21.93 0.6 undecidable manual S 349 45.7209 95 0.17 46
IV.MNTP.HNZ. 2019-01-21T04:01:21.69 1.0 undecidable manual S 25 42.7239 95 0.74 19
IV.ARRO.EHZ. 2019-01-21T04:01:21.84 0.6 undecidable manual S 240 45.7209 95 0.09 47
IV.ARVD.HHZ. 2019-01-21T04:01:21.16 3.0 positive manual P 82.6506 -0.06 0
IV.GIGS.HHZ. 2019-01-21T04:01:21.45 0.6 undecidable manual S 144 45.621 95 -0.26 45
IV.VCEL.EHZ. 2019-01-21T04:01:19.08 3.0 undecidable manual P 65.0904 0.56 0
IV.CESI.HHZ. 2019-01-21T04:01:19.17 0.6 undecidable manual S 311 36.9297 96 -0.24 46
IV.PF6.EHN. 2019-01-21T04:01:19.80 0.6 undecidable manual S 354 39.1275 96 -0.19 46
IV.GUMA.HHZ. 2019-01-21T04:01:18.29 0.6 undecidable manual S 13 31.2465 98 0.37 45
IV.TERO.HHZ. 2019-01-21T04:01:18.51 0.6 undecidable manual S 122 34.2435 97 -0.19 47
IV.ATCC.EHZ. 2019-01-21T04:01:18.77 3.0 positive manual P 66.1893 0.07 0
IV.RM33.EHZ. 2019-01-21T04:01:18.26 0.6 undecidable manual S 185 31.0467 98 0.4 45
IV.GAVE.EHZ. 2019-01-21T04:01:18.11 0.6 undecidable manual S 250 30.747 98 0.32 46
IV.FAGN.HHZ. 2019-01-21T04:01:18.38 3.0 negative manual P 64.0914 0.02 0
IV.MF5.EHZ. 2019-01-21T04:01:17.43 0.6 undecidable manual S 38 28.0497 100 0.37 45
IV.EL6.EHZ. 2019-01-21T04:01:17.67 0.1 undecidable manual P 349 61.2942 93 -0.26 88
IV.CAMP.HHZ. 2019-01-21T04:01:17.73 0.6 undecidable manual S 155 30.8469 98 -0.08 48
IV.MOMA.HHZ. 2019-01-21T04:01:17.12 0.1 undecidable manual P 272 55.3002 94 0.1 92
IV.LNSS.HHZ. 2019-01-21T04:01:17.02 0.3 undecidable manual S 220 26.6511 101 0.32 70
IV.CESX.HHZ. 2019-01-21T04:01:17.48 0.3 undecidable manual P 250 57.498 93 0.12 68
IV.FDMO.HHZ. 2019-01-21T04:01:17.51 0.6 undecidable manual S 335 30.5472 98 -0.22 47
IV.FIAM.HHZ. 2019-01-21T04:01:17.37 0.1 undecidable manual P 191 58.6968 93 -0.16 90
IV.FEMA.HNZ. 2019-01-21T04:01:16.42 0.6 undecidable manual S 320 25.2525 102 0.09 49
IV.ARRO.EHZ. 2019-01-21T04:01:15.46 0.3 positive manual P 240 45.7209 95 -0.08 70
IV.GIGS.HHZ. 2019-01-21T04:01:15.20 0.1 undecidable manual P 144 45.621 95 -0.32 90
IV.OFFI.HHZ. 2019-01-21T04:01:15.21 0.1 positive manual P 65 39.1275 96 0.68 79
IV.MDAR.HNN. 2019-01-21T04:01:15.31 0.3 undecidable manual P 349 45.7209 95 -0.24 68
IV.MNTP.HNZ. 2019-01-21T04:01:15.37 0.3 undecidable manual P 25 42.7239 95 0.29 67
IV.PF6.EHN. 2019-01-21T04:01:14.17 0.1 undecidable manual P 354 39.1275 96 -0.36 90
IV.SMA1.EHZ. 2019-01-21T04:01:14.54 0.6 undecidable manual S 158 18.7701 110 -0.14 48
IV.T1299.HNZ. 2019-01-21T04:01:14.61 0.3 undecidable manual S 171 17.2716 113 0.32 70
IV.MML1.HNE. 2019-01-21T04:01:14.85 0.1 undecidable manual P 328 42.5241 95 -0.21 92
IV.CESI.HHZ. 2019-01-21T04:01:14.10 0.1 negative manual P 311 36.9297 96 -0.09 94
IV.MC2.EHZ. 2019-01-21T04:01:13.73 0.6 undecidable manual S 340 14.5743 120 0.09 50
IV.GAVE.EHZ. 2019-01-21T04:01:13.22 0.1 positive manual P 250 30.747 98 -0.04 96
IV.GUMA.HHZ. 2019-01-21T04:01:13.40 0.1 positive manual P 13 31.2465 98 0.07 96
IV.MMO1.EHZ. 2019-01-21T04:01:13.19 0.6 undecidable manual S 27 13.875 121 -0.31 47
IV.CAMP.HHZ. 2019-01-21T04:01:13.08 1.0 negative manual P 155 30.8469 98 -0.19 24
IV.TERO.HHZ. 2019-01-21T04:01:13.46 0.1 negative manual P 122 34.2435 97 -0.32 92
IV.NRCA.HNZ. 2019-01-21T04:01:13.02 0.3 undecidable manual S 295 12.0768 127 -0.07 73
IV.RM33.EHZ. 2019-01-21T04:01:13.21 0.1 undecidable manual P 185 31.0467 98 -0.09 96
IV.FDMO.HHZ. 2019-01-21T04:01:12.95 0.1 positive manual P 335 30.5472 98 -0.27 92
IV.MF5.EHZ. 2019-01-21T04:01:12.97 0.1 positive manual P 38 28.0497 100 0.13 95
IV.LNSS.HHZ. 2019-01-21T04:01:12.63 0.3 positive manual P 220 26.6511 101 0 73
IV.FEMA.HNZ. 2019-01-21T04:01:12.72 0.3 undecidable manual P 320 25.2525 102 0.31 70
IV.SMA1.EHZ. 2019-01-21T04:01:11.43 0.1 negative manual P 158 18.7701 110 -0.03 99
IV.T1299.HNZ. 2019-01-21T04:01:11.39 0.1 negative manual P 171 17.2716 113 0.15 97
IV.NRCA.HNZ. 2019-01-21T04:01:10.55 0.1 positive manual P 295 12.0768 127 0.01 100
IV.MC2.EHZ. 2019-01-21T04:01:10.91 0.3 negative manual P 340 14.5743 120 0.05 75
IV.MMO1.EHZ. 2019-01-21T04:01:10.55 0.6 undecidable manual P 27 13.875 121 -0.23 48
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:2.4 0.0018549999999999999 0.22 AML other m 2019-01-21T04:01:14.86
IV.LNSS.HHE. ML:2.4 0.0014399999999999999 0.22 AML other m 2019-01-21T04:01:17.34
IV.LNSS.HNE. ML:2.4 0.0014 0.24 AML other m 2019-01-21T04:01:17.34
IV.LNSS.HHN. ML:2.4 0.001415 0.64 AML other m 2019-01-21T04:01:17.51
IV.LNSS.HNN. ML:2.4 0.00131 0.62 AML other m 2019-01-21T04:01:17.52
IV.FDMO.HHN. ML:2.0 0.00045650000000000004 0.22 AML other m 2019-01-21T04:01:17.78
IV.CAMP.HHE. ML:1.7 0.000224 1.18 AML other m 2019-01-21T04:01:17.26
IV.MF5.EHN. ML:2.2 0.0007635000000000001 1.52 AML other m 2019-01-21T04:01:17.13
IV.FDMO.HHE. ML:1.7 0.00022950000000000002 1.32 AML other m 2019-01-21T04:01:18.67
IV.MF5.EHE. ML:2.2 0.0008165 0.28 AML other m 2019-01-21T04:01:18.10
IV.CAMP.HHN. ML:2.0 0.00040750000000000004 1.5 AML other m 2019-01-21T04:01:18.99
IV.GAVE.EHN. ML:2.2 0.000768 0.36 AML other m 2019-01-21T04:01:19.19
IV.RM33.HNE. ML:2.4 0.0010305 0.28 AML other m 2019-01-21T04:01:19.55
IV.GAVE.EHE. ML:2.2 0.0007555000000000001 0.16 AML other m 2019-01-21T04:01:19.76
IV.CESI.HHE. ML:1.8 0.00021450000000000004 0.48 AML other m 2019-01-21T04:01:20.23
IV.CESI.HHN. ML:1.8 0.000262 1.08 AML other m 2019-01-21T04:01:20.79
IV.GIGS.HHE. ML:1.5 0.0000831 1.16 AML other m 2019-01-21T04:01:22.17
IV.OFFI.HHN. ML:2.5 0.001036 0.64 AML other m 2019-01-21T04:01:22.61
IV.GIGS.HHN. ML:1.4 0.00007885 0.38 AML other m 2019-01-21T04:01:22.54
IV.OFFI.HHE. ML:2.1 0.0004005 1.16 AML other m 2019-01-21T04:01:22.59
IV.ARRO.EHN. ML:1.7 0.0001545 0.82 AML other m 2019-01-21T04:01:23.02
IV.ARRO.EHE. ML:1.8 0.0001785 0.18 AML other m 2019-01-21T04:01:24.22
IV.MOMA.HHE. ML:2.4 0.0005515 0.18 AML other m 2019-01-21T04:01:25.75
IV.MOMA.HNE. ML:2.4 0.000533 0.2 AML other m 2019-01-21T04:01:25.75
IV.FIAM.HHE. ML:1.6 0.00008565000000000001 1.48 AML other m 2019-01-21T04:01:26.14
IV.MOMA.HNN. ML:2.2 0.00034899999999999997 0.74 AML other m 2019-01-21T04:01:26.16
IV.FIAM.HHN. ML:1.6 0.0000804 0.2 AML other m 2019-01-21T04:01:26.19
IV.MOMA.HHN. ML:2.2 0.000327 1.16 AML other m 2019-01-21T04:01:26.64
IV.CESX.HHN. ML:1.8 0.000122 0.74 AML other m 2019-01-21T04:01:26.33
IV.EL6.EHN. ML:2.0 0.00018185 0.48 AML other m 2019-01-21T04:01:27.68
IV.CESX.HHE. ML:1.7 0.00011099999999999999 0.62 AML other m 2019-01-21T04:01:28.06
IV.FAGN.HHE. ML:2.2 0.000259 0.3 AML other m 2019-01-21T04:01:29.35
IV.EL6.EHE. ML:2.0 0.00017749999999999998 0.36 AML other m 2019-01-21T04:01:29.43
IV.VCEL.EHN. ML:2.0 0.0001895 0.72 AML other m 2019-01-21T04:01:30.19
IV.VCEL.EHE. ML:2.0 0.000174 0.46 AML other m 2019-01-21T04:01:30.05
IV.FAGN.HHN. ML:2.0 0.000199 0.32 AML other m 2019-01-21T04:01:32.88
IV.ATCC.EHN. ML:1.7 0.0000936 1.26 AML other m 2019-01-21T04:01:33.18
IV.ATCC.EHE. ML:1.8 0.0001043 0.32 AML other m 2019-01-21T04:01:33.46
IV.MTCE.HHE. ML:1.7 0.00005165 0.8 AML other m 2019-01-21T04:01:40.08
IV.MTCE.HHN. ML:1.4 0.0000318 0.98 AML other m 2019-01-21T04:01:42.66
IV.SMA1.EHE. ML:2.2 0.00121629605 0.1984 AML other m 2019-01-21T04:01:14.90
IV.RM33.EHE. ML:2.4 0.0010424415 0.2784 AML other m 2019-01-21T04:01:19.56
IV.RM33.EHN. ML:2.4 0.00113321455 0.2816 AML other m 2019-01-21T04:01:18.32
IV.RM33.HNN. ML:2.4 0.0011224565 0.2816 AML other m 2019-01-21T04:01:18.32
IV.TERO.HHN. ML:2.0 0.0003645452 0.0608 AML other m 2019-01-21T04:01:19.45
IV.TERO.HHE. ML:1.9 0.00029931684999999996 0.1184 AML other m 2019-01-21T04:01:19.60
IV.TERO.HNE. ML:1.7 0.00019384325 0.0896 AML other m 2019-01-21T04:01:19.61
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