Earthquake with magnitude of ML 1.3 on date 26-08-2016 and time 16:08:55 (Italy) in region 5 km SW Accumoli (RI)

A magnitude ML 1.3 earthquake occured in region: 5 km SW Accumoli (RI), on

  • 26-08-2016 14:08:55 (UTC)
  • 26-08-2016 16:08:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6650, 13.2100 at 11 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.

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 5 667 667
Cittareale RI 7 482 1149
Amatrice RI 8 2657 3806
Arquata del Tronto AP 14 1178 4984
Montereale AQ 16 2581 7565
Norcia PG 17 4957 12522
Cascia PG 17 3217 15739
Capitignano AQ 18 665 16404
Campotosto AQ 18 542 16946
Borbona RI 18 617 17563
Posta RI 18 694 18257

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NW of L'Aquila (69753 inhabitants)
41 Km W of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
53 Km SE of Foligno (57155 inhabitants)
79 Km W of Montesilvano (53738 inhabitants)
83 Km SE of Perugia (166134 inhabitants)
84 Km NE of Guidonia Montecelio (88673 inhabitants)
85 Km NE of Tivoli (56533 inhabitants)
85 Km W of Pescara (121014 inhabitants)
86 Km W of Chieti (51815 inhabitants)
95 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 1.3 2016-08-26
14:08:55
42.6652 13.2102 11 2019-02-12
13:57:37
Bollettino Sismico Italiano INGV 45071321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-08-26 14:08:55 ± 0.09
Latitude 42.6652 ± 0.0045
Longitude 13.2102 ± 0.0049
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 45071321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 540
Semi-minor axis of confidence ellipse (meter) 370
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 11
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 185
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.13939
Epicentral distance of station farthest from the epicenter (degree) 0.33815
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 5
Type of magnitude ML
Reference to an origin 45071321
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-05-09 15:09:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARRO.EHZ. 2016-08-26T14:10:07.90 0.1 undecidable manual S 255 37.5291 50 5.987 0
IV.TERO.HHZ. 2016-08-26T14:10:06.30 0.1 undecidable manual S 98 32.4453 50 5.962 0
IV.T1243.HHZ. 2016-08-26T14:10:03.00 0.1 undecidable manual S 80 19.7691 50 5.972 0
IV.LNSS.HHZ. 2016-08-26T14:09:02.10 0.1 undecidable manual S 244 15.4734 50 -0.04 100
IV.ARRO.EHZ. 2016-08-26T14:09:02.68 0.6 negative manual P 255 37.5291 50 -0.08 48
IV.RM33.EHZ. 2016-08-26T14:09:02.60 0.1 undecidable manual S 179 17.3715 50 -0.04 100
IV.TERO.HHZ. 2016-08-26T14:09:01.70 1.0 undecidable manual P 98 32.4453 50 -0.28 23
IV.T1243.HHZ. 2016-08-26T14:09:00.11 1.0 undecidable manual P 80 19.7691 50 0.09 25
IV.LNSS.HHZ. 2016-08-26T14:08:59.43 0.1 positive manual P 244 15.4734 50 0.07 99
IV.RM33.EHZ. 2016-08-26T14:08:59.74 0.1 positive manual P 179 17.3715 50 0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHE. ML:0.7 0.000021696180000000003 0.16 AML other m 2016-08-26T14:09:08.97
IV.ARRO.EHN. ML:0.9 0.000027603895 0.16 AML other m 2016-08-26T14:09:11.68
IV.LNSS.HHE. ML:1.2 0.0009605 1.64 AML other m 2016-08-26T14:09:30.84
IV.LNSS.HHN. ML:1.2 0.0011400000000000002 0.14 AML other m 2016-08-26T14:09:29.96
IV.RM33.EHN. ML:1.1 0.0004145 1.06 AML other m 2016-08-26T14:09:30.80
IV.RM33.HNN. ML:1.3 0.00014971515000000002 0.6912 AML other m 2016-08-26T14:09:07.72
IV.RM33.HNE. ML:1.3 0.00018222155000000001 0.1728 AML other m 2016-08-26T14:09:03.48
IV.RM33.EHE. ML:1.3 0.000372 0.32 AML other m 2016-08-26T14:09:31.07
IV.T1243.HHN. ML:1.8 0.0005425 0.1 AML other m 2016-08-26T14:09:04.41
IV.T1243.HHE. ML:2.0 0.000729 1.7 AML other m 2016-08-26T14:09:04.10
IV.T1243.HNN. ML:1.9 0.0005617648990000001 0.0896 AML other m 2016-08-26T14:09:04.46
IV.T1243.HNE. ML:2.0 0.00072825995 0.1024 AML other m 2016-08-26T14:09:04.16
IV.TERO.HNN. ML:1.1 0.000055734894999999994 0.0768 AML other m 2016-08-26T14:09:07.85
IV.TERO.HHN. ML:1.2 0.00015099999999999998 0.14 AML other m 2016-08-26T14:09:34.80
IV.TERO.HHE. ML:1.3 0.00011800000000000001 1 AML other m 2016-08-26T14:09:35.56
IV.TERO.HNE. ML:1.3 0.00009495481999999999 0.704 AML other m 2016-08-26T14:09:03.01
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