Earthquake with magnitude of ML 1.3 on date 25-08-2016 and time 11:35:34 (Italy) in region 5 km SW Accumoli (RI)

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

  • 25-08-2016 09:35:34 (UTC)
  • 25-08-2016 11:35:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6520, 13.2200 at 1 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 6 482 1149
Amatrice RI 6 2657 3806
Montereale AQ 14 2581 6387
Arquata del Tronto AP 15 1178 7565
Capitignano AQ 16 665 8230
Campotosto AQ 16 542 8772
Borbona RI 17 617 9389
Posta RI 17 694 10083
Cascia PG 18 3217 13300
Norcia PG 19 4957 18257

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km NW of L'Aquila (69753 inhabitants)
40 Km W of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
54 Km SE of Foligno (57155 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
83 Km NE of Guidonia Montecelio (88673 inhabitants)
84 Km NE of Tivoli (56533 inhabitants)
84 Km W of Pescara (121014 inhabitants)
85 Km SE of Perugia (166134 inhabitants)
85 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 2016-08-25
09:35:34
42.6517 13.2195 1 2019-02-12
13:57:36
Bollettino Sismico Italiano INGV 43138021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-08-25 09:35:34 ± 0.12
Latitude 42.6517 ± 0.0036
Longitude 13.2195 ± 0.0110
Depth (km) 1 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 43138021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 880
Semi-minor axis of confidence ellipse (meter) 420
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 99
Circular confidence region, given by single value of horizontal uncertainty (meter) 880.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 163
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26080
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.5
Num. used stations 5
Type of magnitude ML
Reference to an origin 43138021
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-03-30 08:05:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.RISI.HHZ. 2016-08-25T09:37:34.99 3.0 undecidable manual Sn 1.33 0
IV.EUCT.HNZ. 2016-08-25T09:37:23.99 3.0 undecidable manual Sn 3.61 0
IV.LEOD.HNZ. 2016-08-25T09:37:21.99 3.0 undecidable manual Sg 9.28 0
IV.CRJA.SHZ. 2016-08-25T09:37:00.50 3.0 undecidable manual Pg 10.72 0
SI.MOSI.HHZ. 2016-08-25T09:36:56.46 3.0 negative manual Pg 15.19 0
IV.PETRA.HHZ. 2016-08-25T09:36:54.58 3.0 undecidable manual Pn 4.22 0
IV.CELB.HHZ. 2016-08-25T09:36:38.99 3.0 undecidable manual Sn 0.41 0
IV.QLNO.HHZ. 2016-08-25T09:36:35.12 3.0 undecidable manual Pn 1.07 0
IV.LEOD.HNZ. 2016-08-25T09:36:33.28 3.0 undecidable manual Pn 3.49 0
IV.NDIM.HNZ. 2016-08-25T09:36:25.64 3.0 positive manual Pg 6.64 0
IV.CDRU.HHZ. 2016-08-25T09:36:21.49 3.0 undecidable manual Pn 0.42 0
IV.APEC.HHZ. 2016-08-25T09:36:07.99 3.0 undecidable manual S -2.34 0
IV.SGG.HHZ. 2016-08-25T09:36:05.62 3.0 undecidable manual Pg 0.16 0
TV.SF04.EHZ. 2016-08-25T09:35:54.06 3.0 undecidable manual P -1.63 0
IV.MMO1.EHZ. 2016-08-25T09:35:44.41 0.3 undecidable manual S 18 28.8489 92 0.25 71
IV.MC2.EHZ. 2016-08-25T09:35:43.66 0.6 undecidable manual S 355 28.9488 92 -0.53 44
IV.NRCA.HNZ. 2016-08-25T09:35:41.56 0.3 undecidable manual S 337 21.9669 93 -0.2 73
IV.MMO1.EHZ. 2016-08-25T09:35:40.09 0.6 undecidable manual P 18 28.8489 92 0.17 48
IV.MC2.EHZ. 2016-08-25T09:35:40.34 0.3 undecidable manual P 355 28.9488 92 0.4 69
IV.RM33.EHZ. 2016-08-25T09:35:39.64 0.3 undecidable manual S 181 15.873 94 -0.02 76
IV.LNSS.HHZ. 2016-08-25T09:35:39.89 0.3 undecidable manual S 250 15.5733 94 0.32 72
IV.NRCA.HNZ. 2016-08-25T09:35:38.44 0.1 undecidable manual P 337 21.9669 93 -0.1 99
IV.RM33.EHZ. 2016-08-25T09:35:37.16 0.1 undecidable manual P 181 15.873 94 -0.17 99
IV.LNSS.HHZ. 2016-08-25T09:35:37.18 0.1 positive manual P 250 15.5733 94 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.7 0.000136 0.44 AML other m 2016-08-25T09:36:41.11
IV.LNSS.HHE. ML:1.0 0.0001136765 0.1408 AML other m 2016-08-25T09:35:40.14
IV.LNSS.HHN. ML:1.2 0.00015989815 0.1216 AML other m 2016-08-25T09:35:40.19
IV.MMO1.EHE. ML:1.3 0.000113075175 0.2624 AML other m 2016-08-25T09:35:44.62
IV.MMO1.EHN. ML:1.5 0.00015485675 0.2368 AML other m 2016-08-25T09:35:45.47
IV.NRCA.HHE. ML:2.3 0.001438494 0.1792 AML other m 2016-08-25T09:35:41.80
IV.NRCA.HNN. ML:2.2 0.0013049149 0.1024 AML other m 2016-08-25T09:35:42.02
IV.NRCA.HHN. ML:2.3 0.0014285035000000002 0.0768 AML other m 2016-08-25T09:35:42.03
IV.NRCA.HNE. ML:2.3 0.0014007637 0.192 AML other m 2016-08-25T09:35:41.80
IV.RM33.HNE. ML:0.7 0.00005820446999999999 0.0896 AML other m 2016-08-25T09:35:39.99
IV.RM33.EHE. ML:0.8 0.00007252703999999998 0.384 AML other m 2016-08-25T09:35:40.00
IV.RM33.EHN. ML:0.8 0.00007708651499999999 0 AML other m 2016-08-25T09:35:40.01
IV.RM33.HNN. ML:0.8 0.00007481960000000002 0 AML other m 2016-08-25T09:35:40.00
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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