Earthquake with magnitude of ML 0.9 on date 24-08-2017 and time 08:22:57 (Italy) in region 5 km SW Accumoli (RI)

A magnitude ML 0.9 earthquake occured in region: 5 km SW Accumoli (RI), on

  • 24-08-2017 06:22:57 (UTC)
  • 24-08-2017 08:22:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6630, 13.2160 at 11 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 7 2657 3806
Arquata del Tronto AP 14 1178 4984
Montereale AQ 16 2581 7565
Campotosto AQ 17 542 8107
Capitignano AQ 17 665 8772
Norcia PG 18 4957 13729
Cascia PG 18 3217 16946
Borbona RI 18 617 17563
Posta RI 18 694 18257
Acquasanta Terme AP 20 2916 21173

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NW of L'Aquila (69753 inhabitants)
40 Km W of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
53 Km SE of Foligno (57155 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
84 Km SE of Perugia (166134 inhabitants)
84 Km NE of Guidonia Montecelio (88673 inhabitants)
85 Km W of Pescara (121014 inhabitants)
85 Km NE of Tivoli (56533 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
Reviewed
Rev100
ML 0.9 2017-08-24
06:22:57
42.6632 13.2157 11 2017-08-24
06:30:04
Sala Sismica INGV-Roma 49317891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-08-24 06:22:57 ± 0.07
Latitude 42.6632 ± 0.0036
Longitude 13.2157 ± 0.0073
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 49317891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 610
Semi-minor axis of confidence ellipse (meter) 380
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 257
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28868
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 49317891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-08-24 06:30:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EUCT.HNZ. 2017-08-24T06:24:43.01 3.0 undecidable manual Sg 13.56 0
MN.CUC.HHZ. 2017-08-24T06:24:40.86 3.0 undecidable manual Sg 22.59 0
CR.STON.BHZ. 2017-08-24T06:24:36.12 3.0 undecidable manual Sg 20.709999 0
SL.KOGS.BHZ. 2017-08-24T06:24:07.62 3.0 undecidable manual Pg 17.75 0
SI.RISI.HHZ. 2017-08-24T06:24:06.81 3.0 positive manual Pg 16.75 0
GU.SATI.HHZ. 2017-08-24T06:24:03.78 3.0 negative manual Pn 4.09 0
GU.ROTM.HHZ. 2017-08-24T06:23:59.89 3.0 undecidable manual Pg 11.61 0
IV.EUCT.HNZ. 2017-08-24T06:23:48.94 3.0 positive manual Pn 4.36 0
IV.SPS2.HHZ. 2017-08-24T06:23:47.83 3.0 negative manual Pn -1.36 0
IV.VAGA.HHZ. 2017-08-24T06:23:46.06 3.0 undecidable manual Sg 10.24 0
MN.CUC.HHZ. 2017-08-24T06:23:36.29 3.0 undecidable manual Pn -2.01 0
IV.RAVA.EHZ. 2017-08-24T06:23:36.48 3.0 negative manual Pg 9.61 0
IV.MRLC.HHZ. 2017-08-24T06:23:32.89 3.0 undecidable manual Pn 4.73 0
IV.CRE.HHZ. 2017-08-24T06:23:30.91 3.0 undecidable manual Sg 0.59 0
IV.TOLF.HHZ. 2017-08-24T06:23:29.43 3.0 undecidable manual Sg 1.01 0
IV.PP3.EHZ. 2017-08-24T06:23:19.25 3.0 undecidable manual Sn 0.36 0
IV.FOSV.EHZ. 2017-08-24T06:23:19.09 3.0 undecidable manual Sg 0.32 0
IV.MMO1.EHZ. 2017-08-24T06:23:07.18 0.1 undecidable manual S 19 27.75 90 0.05 98
IV.TERO.HHZ. 2017-08-24T06:23:07.98 0.1 undecidable manual S 98 32.0457 90 -0.3 92
IV.CAMP.HHE. 2017-08-24T06:23:05.40 0.3 undecidable manual S 132 21.1677 90 0.01 75
IV.RM33.EHZ. 2017-08-24T06:23:04.23 0.1 undecidable manual S 180 17.0718 90 -0.07 100
IV.NRCA.HNN. 2017-08-24T06:23:04.89 0.3 undecidable manual S 336 20.6682 90 -0.35 70
IV.MTRA.EHZ. 2017-08-24T06:23:04.39 0.1 undecidable manual S 55 18.0708 90 -0.16 97
IV.MMO1.EHZ. 2017-08-24T06:23:03.07 0.6 undecidable manual P 19 27.75 90 0.1 49
IV.TERO.HHZ. 2017-08-24T06:23:03.24 1.0 undecidable manual P 98 32.0457 90 -0.39 23
IV.MC2.EHN. 2017-08-24T06:23:02.95 0.6 undecidable manual P 356 27.6501 90 0 50
IV.NRCA.HNN. 2017-08-24T06:23:02.32 0.1 undecidable manual P 336 20.6682 90 0.45 91
IV.ARRO.EHZ. 2017-08-24T06:23:02.02 3.0 positive manual P -1.36 0
IV.FOSV.EHZ. 2017-08-24T06:23:01.37 3.0 positive manual P -3.5 0
IV.RM33.EHZ. 2017-08-24T06:23:01.40 0.1 positive manual P 180 17.0718 90 0.07 100
IV.CAMP.HHE. 2017-08-24T06:23:01.98 0.3 undecidable manual P 132 21.1677 90 0.02 75
IV.MTRA.EHZ. 2017-08-24T06:23:01.53 0.1 undecidable manual P 55 18.0708 90 0.05 100
IV.LNSS.HHZ. 2017-08-24T06:23:01.06 0.3 undecidable manual P 245 15.7731 90 -0.07 75
IV.T1299.EHZ. 2017-08-24T06:23:00.14 0.1 undecidable manual P 121 6.2937 140 0.31 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1299.EHN. ML:0.7 0.00007095 1.58 AML other m 2017-08-24T06:23:01.92
IV.MTRA.EHN. ML:1.2 0.00012835000000000003 0.28 AML other m 2017-08-24T06:23:04.45
IV.RM33.EHN. ML:0.9 0.000059550000000000004 0.9 AML other m 2017-08-24T06:23:04.48
IV.RM33.EHE. ML:0.9 0.00006850000000000001 1.02 AML other m 2017-08-24T06:23:05.00
IV.MTRA.EHE. ML:1.2 0.0001285 0.88 AML other m 2017-08-24T06:23:05.02
IV.TERO.HHN. ML:0.8 0.0000316 1.28 AML other m 2017-08-24T06:23:08.04
IV.TERO.HHE. ML:0.8 0.000027400000000000002 0.96 AML other m 2017-08-24T06:23:09.17
IV.T1299.EHE. ML:0.7 0.00006570000000000001 0.48 AML other m 2017-08-24T06:23:16.48
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