Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 26-02-2019 and time 05:08:10 (Italy) in region 3 km NE Amatrice (RI)

A magnitude ML 1.8 earthquake occured in region: 3 km NE Amatrice (RI), on

  • 26-02-2019 04:08:10 (UTC)
  • 26-02-2019 05:08:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6520, 13.3030 at 12 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 3 2657 2657
Accumoli RI 7 667 3324
Campotosto AQ 12 542 3866
Cittareale RI 12 482 4348
Arquata del Tronto AP 14 1178 5526
Capitignano AQ 15 665 6191
Montereale AQ 15 2581 8772
Acquasanta Terme AP 16 2916 11688
Cortino TE 17 656 12344
Crognaleto TE 19 1297 13641
Valle Castellana TE 19 977 14618
Rocca Santa Maria TE 19 537 15155

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km W of Teramo (54892 inhabitants)
34 Km N of L'Aquila (69753 inhabitants)
55 Km E of Terni (111501 inhabitants)
59 Km SE of Foligno (57155 inhabitants)
71 Km W of Montesilvano (53738 inhabitants)
78 Km W of Pescara (121014 inhabitants)
78 Km W of Chieti (51815 inhabitants)
87 Km NE of Guidonia Montecelio (88673 inhabitants)
87 Km NE of Tivoli (56533 inhabitants)
90 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 1.8 2019-02-26
04:08:10		 42.6523 13.3028 12 2019-08-22
08:24:59		 Bollettino Sismico Italiano INGV 68754751
Reviewed
Rev100 		ML 1.8 2019-02-26
04:08:10		 42.6515 13.2962 12 2019-02-26
04:14:31		 Sala Sismica INGV-Roma 65971831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-02-26 04:08:10 ± 0.04
Latitude 42.6523 ± 0.0018
Longitude 13.3028 ± 0.0037
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 68754751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 286
Semi-minor axis of confidence ellipse (meter) 84
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 249
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
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 43
Number of defining phases 43
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) 0.02338
Epicentral distance of station farthest from the epicenter (degree) 0.61244
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 68754751
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-23 09:10:58

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 30
Type of magnitude ML
Reference to an origin 65971831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-02-26 04:14:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESX.HHZ. 2019-02-26T04:08:28.83 0.6 undecidable manual S 265 58.5969 91 0.22 44
IV.PF6.EHN. 2019-02-26T04:08:27.83 0.6 undecidable manual S 351 54.6009 91 0.3 44
IV.CESI.HHE. 2019-02-26T04:08:26.54 0.6 undecidable manual S 320 50.8158 91 0.03 47
IV.FAGN.HHZ. 2019-02-26T04:08:25.91 1.0 undecidable manual S 152 48.7179 91 -0.04 23
IV.GUMA.HNN. 2019-02-26T04:08:25.51 0.6 undecidable manual S 3 45.621 91 0.38 44
IV.FIAM.HNN. 2019-02-26T04:08:25.07 0.6 undecidable manual S 200 45.2214 91 0.03 47
IV.FDMO.HHN. 2019-02-26T04:08:25.43 0.6 undecidable manual S 338 46.1205 91 0.17 46
IV.ARRO.EHZ. 2019-02-26T04:08:24.65 0.6 undecidable manual S 260 44.622 91 -0.21 46
IV.MF5.EHZ. 2019-02-26T04:08:23.72 0.6 undecidable manual S 19 39.3273 91 0.26 46
IV.ASSB.HHZ. 2019-02-26T04:08:22.71 0.6 undecidable manual P 310 67.9764 91 0.32 43
IV.GIGS.HHZ. 2019-02-26T04:08:21.10 0.3 undecidable manual S 135 31.2465 92 -0.2 70
IV.CESX.HHZ. 2019-02-26T04:08:21.28 0.6 undecidable manual P 265 58.5969 91 0.32 43
IV.T0110.HHZ. 2019-02-26T04:08:21.36 0.6 undecidable manual P 140 60.8946 91 0.06 46
IV.GAVE.EHZ. 2019-02-26T04:08:21.64 0.3 undecidable manual S 278 33.6441 92 -0.29 69
IV.MMO1.EHZ. 2019-02-26T04:08:20.19 0.3 undecidable manual S 4 27.4503 93 -0.1 71
IV.PF6.EHN. 2019-02-26T04:08:20.39 0.6 undecidable manual P 351 54.6009 91 0.06 46
IV.CESI.HHE. 2019-02-26T04:08:19.59 0.3 undecidable manual P 320 50.8158 91 -0.16 68
IV.FIAM.HNN. 2019-02-26T04:08:19.06 0.6 undecidable manual P 200 45.2214 91 0.16 46
IV.NRCA.HHZ. 2019-02-26T04:08:19.23 0.3 undecidable manual S 323 25.2525 93 -0.48 67
IV.OFFI.HHE. 2019-02-26T04:08:19.43 0.6 undecidable manual P 45 44.2224 91 0.7 40
IV.TERO.HHZ. 2019-02-26T04:08:19.30 0.3 undecidable manual S 97 24.753 93 -0.28 69
IV.FAGN.HHZ. 2019-02-26T04:08:19.30 0.6 undecidable manual P 152 48.7179 91 -0.12 46
IV.FDMO.HHN. 2019-02-26T04:08:18.75 0.3 undecidable manual P 338 46.1205 91 -0.27 67
IV.MF5.EHZ. 2019-02-26T04:08:18.40 0.1 undecidable manual P 19 39.3273 91 0.42 88
IV.LNSS.HHZ. 2019-02-26T04:08:18.68 0.3 undecidable manual S 256 22.1556 94 -0.19 72
IV.GUMA.HNN. 2019-02-26T04:08:18.63 0.6 undecidable manual P 3 45.621 91 -0.32 44
IV.ARRO.EHZ. 2019-02-26T04:08:18.88 0.1 undecidable manual P 260 44.622 91 0.09 93
IV.RM33.EHZ. 2019-02-26T04:08:17.57 0.3 undecidable manual S 204 17.4714 98 -0.06 75
IV.CAMP.HHZ. 2019-02-26T04:08:17.08 0.3 undecidable manual S 146 15.5733 102 -0.05 74
IV.MTRA.EHZ. 2019-02-26T04:08:16.42 0.3 undecidable manual S 33 13.875 108 -0.28 70
IV.GIGS.HHZ. 2019-02-26T04:08:16.51 0.1 undecidable manual P 135 31.2465 92 -0.22 93
IV.MMO1.EHZ. 2019-02-26T04:08:16.12 0.1 undecidable manual P 4 27.4503 93 -0.04 97
IV.GAVE.EHZ. 2019-02-26T04:08:16.92 0.1 undecidable manual P 278 33.6441 92 -0.18 94
IV.NRCA.HHZ. 2019-02-26T04:08:15.64 0.1 undecidable manual P 323 25.2525 93 -0.18 95
IV.LNSS.HHZ. 2019-02-26T04:08:15.27 0.1 undecidable manual P 256 22.1556 94 -0.06 99
IV.TERO.HHZ. 2019-02-26T04:08:15.65 0.1 undecidable manual P 97 24.753 93 -0.09 96
IV.SMA1.EHZ. 2019-02-26T04:08:14.55 0.3 undecidable manual S 132 3.5964 158 -0.15 73
IV.T1299.HNN. 2019-02-26T04:08:14.81 0.3 undecidable manual S 220 2.5974 164 0.2 75
IV.RM33.EHZ. 2019-02-26T04:08:14.72 0.1 undecidable manual P 204 17.4714 98 0.1 97
IV.MTRA.EHZ. 2019-02-26T04:08:14.10 0.1 negative manual P 33 13.875 108 0.02 100
IV.CAMP.HHZ. 2019-02-26T04:08:14.45 0.1 negative manual P 146 15.5733 102 0.12 98
IV.T1299.HNN. 2019-02-26T04:08:13.20 0.1 positive manual P 220 2.5974 164 0.32 96
IV.SMA1.EHZ. 2019-02-26T04:08:13.24 0.1 negative manual P 132 3.5964 158 0.32 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:2.0 0.0016 1.76 AML other m 2019-02-26T04:08:15.92
IV.SMA1.EHE. ML:2.1 0.002 0.3 AML other m 2019-02-26T04:08:15.20
IV.MTRA.EHN. ML:1.8 0.000619 0.58 AML other m 2019-02-26T04:08:16.88
IV.MTRA.HNE. ML:1.9 0.0008125 0.24 AML other m 2019-02-26T04:08:16.77
IV.MTRA.EHE. ML:1.9 0.0008029999999999999 0.24 AML other m 2019-02-26T04:08:16.77
IV.MTRA.HNN. ML:1.8 0.00058 1.76 AML other m 2019-02-26T04:08:17.88
IV.CAMP.HHN. ML:1.4 0.0002185 0.28 AML other m 2019-02-26T04:08:17.24
IV.CAMP.HHE. ML:1.6 0.000323 0.18 AML other m 2019-02-26T04:08:17.29
IV.RM33.HNN. ML:1.7 0.00041700000000000005 0.32 AML other m 2019-02-26T04:08:17.85
IV.RM33.EHN. ML:1.7 0.00041200000000000004 0.44 AML other m 2019-02-26T04:08:17.85
IV.RM33.EHE. ML:1.8 0.000468 0.1 AML other m 2019-02-26T04:08:17.87
IV.RM33.HNE. ML:1.8 0.000482 0.1 AML other m 2019-02-26T04:08:17.92
IV.LNSS.HHE. ML:2.1 0.000759 1.86 AML other m 2019-02-26T04:08:19.00
IV.LNSS.HNE. ML:2.0 0.0007235000000000001 1.86 AML other m 2019-02-26T04:08:19.01
IV.LNSS.HNN. ML:1.9 0.0005745 1.66 AML other m 2019-02-26T04:08:19.89
IV.LNSS.HHN. ML:2.0 0.0006005 1.66 AML other m 2019-02-26T04:08:19.89
IV.TERO.HHN. ML:2.0 0.0005605 0.48 AML other m 2019-02-26T04:08:19.43
IV.TERO.HNN. ML:1.7 0.000275 0.48 AML other m 2019-02-26T04:08:19.67
IV.TERO.HNE. ML:1.8 0.000358 0.14 AML other m 2019-02-26T04:08:19.50
IV.TERO.HHE. ML:2.0 0.0006935 0.14 AML other m 2019-02-26T04:08:19.50
IV.NRCA.HNE. ML:1.8 0.00039549999999999996 0.14 AML other m 2019-02-26T04:08:19.54
IV.NRCA.HHE. ML:1.8 0.00039449999999999994 0.14 AML other m 2019-02-26T04:08:19.54
IV.NRCA.HNN. ML:1.8 0.000317 0.7 AML other m 2019-02-26T04:08:19.54
IV.NRCA.HHN. ML:1.8 0.00032450000000000003 0.7 AML other m 2019-02-26T04:08:19.54
IV.GIGS.HHE. ML:1.2 0.0000729 0.6 AML other m 2019-02-26T04:08:21.48
IV.GIGS.HHN. ML:1.2 0.00006839999999999998 0.1 AML other m 2019-02-26T04:08:21.50
IV.GAVE.EHN. ML:1.7 0.0002065 1.3 AML other m 2019-02-26T04:08:22.97
IV.GAVE.EHE. ML:2.0 0.0004255 0.16 AML other m 2019-02-26T04:08:22.36
IV.FAGN.HHN. ML:1.4 0.00006445 0.42 AML other m 2019-02-26T04:08:30.30
IV.FAGN.HHE. ML:1.4 0.00006675000000000001 0.36 AML other m 2019-02-26T04:08:32.80
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