Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 26-08-2016 and time 04:40:34 (UTC) in region 2 km SE Amatrice (RI)

A magnitude ML 2.0 earthquake occured in region: 2 km SE Amatrice (RI), on

  • 26-08-2016 04:40:34 (UTC)
  • 26-08-2016 06:40:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6100, 13.3000 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
Campotosto AQ 8 542 3199
Capitignano AQ 10 665 3864
Accumoli RI 10 667 4531
Montereale AQ 11 2581 7112
Cittareale RI 11 482 7594
Crognaleto TE 16 1297 8891
Cortino TE 17 656 9547
Borbona RI 17 617 10164
Barete AQ 18 737 10901
Cagnano Amiterno AQ 18 1369 12270
Arquata del Tronto AP 18 1178 13448
Posta RI 19 694 14142
Pizzoli AQ 19 4326 18468
Acquasanta Terme AP 20 2916 21384

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km N of L'Aquila (69753 inhabitants)
34 Km W of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
62 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)
83 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km NE of Tivoli (56533 inhabitants)
93 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 		Md 1.7
ML 2.0 		2016-08-26
04:40:34		 42.6102 13.3 9 2019-02-12
13:57:31		 Bollettino Sismico Italiano INGV 40637601
Reviewed
Rev100 		Md 1.7 2016-08-26
04:40:34		 42.6143 13.3038 8 2016-08-26
04:52:41		 Sala Sismica INGV-Roma 27274621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-08-26 04:40:34 ± 0.03
Latitude 42.6102 ± 0.0018
Longitude 13.3000 ± 0.0024
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 40637601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 254
Semi-minor axis of confidence ellipse (meter) 55
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 50
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 39
Number of associated phases, regardless of their use for origin computation 63
Number of defining phases 63
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.05936
Epicentral distance of station farthest from the epicenter (degree) 0.74644
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 36
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 34
Type of magnitude ML
Reference to an origin 40637601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-01-15 09:38:25

Md:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 11
Type of magnitude Md
Reference to an origin 40637601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-01-15 09:38:25

Md:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 15
Type of magnitude Md
Reference to an origin 27274621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-08-26 04:52:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESX.HHZ. 2016-08-26T04:40:52.90 1.0 undecidable manual S 270 58.1973 50 0.12 23
IV.CSP1.EHZ. 2016-08-26T04:40:52.10 0.6 undecidable manual S 352 54.0015 50 0.46 42
IV.CESI.HHZ. 2016-08-26T04:40:51.90 0.6 undecidable manual S 324 54.3012 50 0.16 45
IV.FDMO.HHZ. 2016-08-26T04:40:50.70 0.6 undecidable manual S 340 50.3163 50 0.02 47
IV.FEMA.HNE. 2016-08-26T04:40:49.02 0.1 undecidable manual S 333 44.0226 50 0.03 95
IV.EL6.EHZ. 2016-08-26T04:40:48.70 0.6 undecidable manual P 349 81.3519 50 0.13 43
IV.SRES.HHZ. 2016-08-26T04:40:48.14 0.6 undecidable manual P 238 76.7676 50 0.28 42
IV.ARRO.EHZ. 2016-08-26T04:40:48.60 0.6 undecidable manual S 266 43.7229 50 -0.32 45
IV.INTR.HHZ. 2016-08-26T04:40:48.75 0.3 undecidable manual P 143 82.8504 50 -0.05 66
IV.ASSB.HHZ. 2016-08-26T04:40:47.34 0.6 undecidable manual P 313 70.8735 50 0.39 42
IV.T1215.EHZ. 2016-08-26T04:40:47.95 0.3 undecidable manual S 301 41.1255 50 -0.26 68
IV.T1211.HNN. 2016-08-26T04:40:46.70 0.6 undecidable manual S 257 37.3293 50 -0.5 43
IV.MC2.EHZ. 2016-08-26T04:40:46.77 0.3 undecidable manual S 345 34.6431 50 0.29 68
IV.CESX.HHZ. 2016-08-26T04:40:45.40 0.3 undecidable manual P 270 58.1973 50 0.4 64
IV.MMO1.EHN. 2016-08-26T04:40:45.40 0.3 undecidable manual S 4 32.1456 50 -0.41 67
IV.CSP1.EHZ. 2016-08-26T04:40:44.32 0.3 undecidable manual P 352 54.0015 50 -0.03 70
IV.NRCA.HNZ. 2016-08-26T04:40:44.50 0.6 undecidable manual S 329 29.0487 108 -0.45 44
IV.CESI.HHZ. 2016-08-26T04:40:44.27 0.3 undecidable manual P 324 54.3012 50 -0.13 68
IV.GIGS.HHZ. 2016-08-26T04:40:44.50 0.6 undecidable manual S 128 28.3494 108 -0.21 47
IV.GUMA.HNN. 2016-08-26T04:40:44.07 0.1 undecidable manual P 3 50.3163 50 0.3 89
IV.T0110.HHZ. 2016-08-26T04:40:44.98 0.3 undecidable manual P 137 57.498 50 0.09 68
MN.AQU.HHZ. 2016-08-26T04:40:44.70 0.6 undecidable manual S 163 29.6481 50 -0.46 44
IV.VCEL.EHZ. 2016-08-26T04:40:44.12 0.3 undecidable manual P 118 50.3163 50 0.34 66
IV.T1241.HHN. 2016-08-26T04:40:44.99 0.6 undecidable manual S 21 29.3484 108 -0.05 48
IV.TERO.HHZ. 2016-08-26T04:40:43.10 0.6 undecidable manual S 87 24.8529 110 -0.48 44
IV.FAGN.HHZ. 2016-08-26T04:40:43.04 0.1 undecidable manual P 149 44.7219 50 0.12 93
IV.FDMO.HHZ. 2016-08-26T04:40:43.85 0.3 undecidable manual P 340 50.3163 50 0.06 70
IV.T1212.HNZ. 2016-08-26T04:40:43.70 0.3 undecidable manual S 307 26.0517 110 -0.28 70
IV.T1242.HHZ. 2016-08-26T04:40:43.50 0.6 undecidable manual S 342 25.5522 110 -0.29 46
IV.LNSS.HHZ. 2016-08-26T04:40:42.60 0.3 undecidable manual S 268 21.2676 114 0.19 71
IV.T1215.EHZ. 2016-08-26T04:40:42.20 0.6 undecidable manual P 301 41.1255 50 -0.16 46
IV.FEMA.HNE. 2016-08-26T04:40:42.59 0.3 undecidable manual P 333 44.0226 50 -0.22 68
IV.FIAM.HNN. 2016-08-26T04:40:42.67 0.3 undecidable manual P 202 40.8258 50 0.35 67
IV.ARRO.EHZ. 2016-08-26T04:40:42.80 0.3 undecidable manual P 266 43.7229 50 0.03 71
IV.MC2.EHZ. 2016-08-26T04:40:41.43 0.3 undecidable manual P 345 34.6431 50 0.07 72
IV.T1214.HNZ. 2016-08-26T04:40:41.50 0.3 undecidable manual S 336 18.1707 117 0.05 74
IV.T1213.HNZ. 2016-08-26T04:40:41.40 0.1 undecidable manual S 312 19.0698 116 -0.33 93
IV.T1211.HNN. 2016-08-26T04:40:41.48 0.3 undecidable manual P 257 37.3293 50 -0.3 68
MN.AQU.HHZ. 2016-08-26T04:40:40.46 0.3 undecidable manual P 163 29.6481 50 -0.14 71
IV.T1218.HNZ. 2016-08-26T04:40:40.70 0.3 undecidable manual S 294 16.4724 119 -0.23 71
IV.RM33.HNZ. 2016-08-26T04:40:40.00 0.6 undecidable manual S 212 13.1757 125 0.02 50
IV.T1241.HHN. 2016-08-26T04:40:40.64 0.3 undecidable manual P 21 29.3484 108 0.1 72
IV.NRCA.HNZ. 2016-08-26T04:40:40.31 0.3 undecidable manual P 329 29.0487 108 -0.17 71
IV.T1243.HHZ. 2016-08-26T04:40:40.60 0.6 undecidable manual S 52 15.4734 121 -0.02 50
IV.MMO1.EHN. 2016-08-26T04:40:40.82 0.6 undecidable manual P 4 32.1456 50 -0.16 47
IV.GIGS.HHZ. 2016-08-26T04:40:40.07 0.3 undecidable manual P 128 28.3494 108 -0.27 69
IV.T1202.EHE. 2016-08-26T04:40:40.10 0.6 undecidable manual S 329 11.9769 128 0.46 46
IV.T1242.HHZ. 2016-08-26T04:40:39.82 0.3 undecidable manual P 342 25.5522 110 0.01 74
IV.LNSS.HHZ. 2016-08-26T04:40:39.01 0.1 undecidable manual P 268 21.2676 114 0 99
IV.TERO.HHZ. 2016-08-26T04:40:39.46 0.1 undecidable manual P 87 24.8529 110 -0.23 94
IV.T1212.HNZ. 2016-08-26T04:40:39.73 0.3 undecidable manual P 307 26.0517 110 -0.19 71
IV.CAMP.HHE. 2016-08-26T04:40:39.60 0.3 undecidable manual S 133 12.1767 127 -0.08 74
IV.T1201.HNN. 2016-08-26T04:40:38.40 0.6 undecidable manual S 322 6.5934 145 0.08 50
IV.T1218.HNZ. 2016-08-26T04:40:38.19 0.3 undecidable manual P 294 16.4724 119 0.03 74
IV.T1214.HNZ. 2016-08-26T04:40:38.74 0.6 undecidable manual P 336 18.1707 117 0.28 47
IV.T1213.HNZ. 2016-08-26T04:40:38.67 0.3 undecidable manual P 312 19.0698 116 0.05 74
IV.T1204.EHZ. 2016-08-26T04:40:38.40 0.3 undecidable manual S 11 7.3815 141 -0.09 75
IV.T1243.HHZ. 2016-08-26T04:40:37.98 0.1 undecidable manual P 52 15.4734 121 0 100
IV.T1202.EHE. 2016-08-26T04:40:37.82 0.1 undecidable manual P 329 11.9769 128 0.4 92
IV.RM33.HNZ. 2016-08-26T04:40:37.76 0.1 undecidable manual P 212 13.1757 125 0.15 97
IV.CAMP.HHE. 2016-08-26T04:40:37.56 0.1 undecidable manual P 133 12.1767 127 0.12 98
IV.T1204.EHZ. 2016-08-26T04:40:36.95 0.1 undecidable manual P 11 7.3815 141 0.2 97
IV.T1201.HNN. 2016-08-26T04:40:36.92 0.1 undecidable manual P 322 6.5934 145 0.27 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNN. ML:2.3 0.0021083135 0.3008 AML other m 2016-08-26T04:40:41.07
IV.RM33.EHN. ML:2.3 0.0021042139999999997 0.3008 AML other m 2016-08-26T04:40:41.07
IV.RM33.HNE. ML:2.3 0.0020314875 0.1792 AML other m 2016-08-26T04:40:41.17
IV.RM33.EHE. ML:2.2 0.0018904735 0.1792 AML other m 2016-08-26T04:40:41.17
IV.TERO.HHN. ML:2.3 0.001132868 0.1184 AML other m 2016-08-26T04:40:43.36
IV.TERO.HNN. ML:2.2 0.0009880045 0.0992 AML other m 2016-08-26T04:40:43.36
IV.TERO.HNE. ML:2.1 0.00078655085 0.1376 AML other m 2016-08-26T04:40:43.50
IV.TERO.HHE. ML:2.2 0.0008662959 0.1376 AML other m 2016-08-26T04:40:43.57
MN.AQU.HLN. ML:1.9 0.00039635975000000003 0.24 AML other m 2016-08-26T04:40:45.76
MN.AQU.HHN. ML:1.9 0.0004180416 0.24 AML other m 2016-08-26T04:40:45.76
MN.AQU.HHE. ML:1.9 0.00039172134999999994 0.3008 AML other m 2016-08-26T04:40:47.37
MN.AQU.HLE. ML:1.9 0.00042095159999999996 0.2816 AML other m 2016-08-26T04:40:47.38
IV.GIGS.HHE. ML:1.3 0.000100160315 0.3392 AML other m 2016-08-26T04:40:47.58
IV.GIGS.HHN. ML:1.2 0.000076214865 0.32 AML other m 2016-08-26T04:40:48.31
IV.ARRO.EHE. ML:1.8 0.00019742530000000004 0.1792 AML other m 2016-08-26T04:40:51.23
IV.FDMO.HHN. ML:2.0 0.00025424844999999993 0.24 AML other m 2016-08-26T04:40:51.64
IV.ARRO.EHN. ML:1.8 0.0002079373 0.1568 AML other m 2016-08-26T04:40:52.01
IV.FDMO.HHE. ML:1.9 0.0001897875 0.16 AML other m 2016-08-26T04:40:52.14
IV.CESI.HHN. ML:1.9 0.00018226575000000002 0.2816 AML other m 2016-08-26T04:40:53.21
IV.CSP1.EHN. ML:2.0 0.0002430981 0.2208 AML other m 2016-08-26T04:40:53.25
IV.CESI.HHE. ML:1.8 0.00016583979999999998 0.2016 AML other m 2016-08-26T04:40:53.43
IV.CSP1.EHE. ML:2.0 0.00023440165 0.32 AML other m 2016-08-26T04:40:53.40
IV.VCEL.EHN. ML:2.1 0.0003359282 0.2976 AML other m 2016-08-26T04:40:53.66
IV.VCEL.EHE. ML:2.1 0.0003468394 0.4192 AML other m 2016-08-26T04:40:54.52
IV.INTR.HHN. ML:1.7 0.000065429105 0.8 AML other m 2016-08-26T04:40:57.85
IV.ASSB.HHE. ML:1.8 0.00009338536499999999 0.2208 AML other m 2016-08-26T04:40:58.85
IV.ASSB.HHN. ML:1.9 0.00013495370000000002 0.16 AML other m 2016-08-26T04:41:00.01
IV.SRES.HHE. ML:1.4 0.000040280105 0.1792 AML other m 2016-08-26T04:41:00.90
IV.T0110.HHE. ML:1.9 0.00017313745 0.72 AML other m 2016-08-26T04:41:01.37
IV.EL6.EHN. ML:2.1 0.00017834129999999999 0.2016 AML other m 2016-08-26T04:41:02.92
IV.EL6.EHE. ML:2.1 0.00017278385000000002 0.2208 AML other m 2016-08-26T04:41:03.80
IV.SRES.HHN. ML:1.5 0.00004505655 0.3808 AML other m 2016-08-26T04:41:04.62
IV.T0110.HHN. ML:1.8 0.00013198894999999998 0.48 AML other m 2016-08-26T04:41:04.64
IV.INTR.HHE. ML:1.4 0.000032589885 0.56 AML other m 2016-08-26T04:41:04.99
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