Earthquake with magnitude of ML 2.3 on date 24-08-2016 and time 05:40:09 (UTC) in region 8 km NW Accumoli (RI)

A magnitude ML 2.3 earthquake occured in region: 8 km NW Accumoli (RI), on

  • 24-08-2016 05:40:09 (UTC)
  • 24-08-2016 07:40:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7500, 13.1840 at 5 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 8 667 667
Norcia PG 9 4957 5624
Arquata del Tronto AP 10 1178 6802
Cascia PG 14 3217 10019
Cittareale RI 15 482 10501
Amatrice RI 16 2657 13158
Montegallo AP 16 523 13681
Castelsantangelo sul Nera MC 16 281 13962
Acquasanta Terme AP 19 2916 16878
Preci PG 19 724 17602

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of Teramo (54892 inhabitants)
45 Km SE of Foligno (57155 inhabitants)
48 Km NW of L'Aquila (69753 inhabitants)
49 Km E of Terni (111501 inhabitants)
76 Km SE of Perugia (166134 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
90 Km W of Pescara (121014 inhabitants)
91 Km NE of Guidonia Montecelio (88673 inhabitants)
92 Km W of Chieti (51815 inhabitants)
93 Km NE of Tivoli (56533 inhabitants)
96 Km E of Viterbo (67173 inhabitants)
100 Km S of Ancona (100861 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 2.3 2016-08-24
05:40:09
42.7502 13.1842 5 2016-10-06
10:12:08
Bollettino Sismico Italiano INGV 29506691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-08-24 05:40:09 ± 0.16
Latitude 42.7502 ± 0.0063
Longitude 13.1842 ± 0.0122
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 29506691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 978
Semi-minor axis of confidence ellipse (meter) 317
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 266
Circular confidence region, given by single value of horizontal uncertainty (meter) 980.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.48
Epicentral distance of station closest to the epicenter (degree) 0.09803
Epicentral distance of station farthest from the epicenter (degree) 0.76802
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 29506691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-09-25 05:31:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2016-08-24T05:40:36.24 0.6 undecidable manual S 347 85.248 50 0.21 43
IV.EL6.EHZ. 2016-08-24T05:40:29.73 0.6 undecidable manual S 354 64.5909 50 -0.78 38
IV.CESX.HHZ. 2016-08-24T05:40:26.17 0.3 undecidable manual S 252 51.2154 50 -0.77 58
IV.ARVD.HHZ. 2016-08-24T05:40:25.49 0.3 undecidable manual P 347 85.248 50 0.72 56
IV.ARRO.EHZ. 2016-08-24T05:40:23.11 0.6 undecidable manual S 241 39.0276 97 0.07 48
IV.GUMA.HHZ. 2016-08-24T05:40:22.77 0.3 undecidable manual S 19 36.741 97 0.52 66
IV.CSP1.EHZ. 2016-08-24T05:40:22.06 0.3 undecidable manual S 3 37.9287 97 -0.59 64
IV.EL6.EHZ. 2016-08-24T05:40:21.76 1.0 undecidable manual P 354 64.5909 50 0.18 23
IV.TERO.HHN. 2016-08-24T05:40:21.63 0.6 undecidable manual S 112 37.0296 97 -0.71 41
IV.CESX.HHZ. 2016-08-24T05:40:20.32 0.1 undecidable manual P 252 51.2154 50 0.8 77
IV.FDMO.HHZ. 2016-08-24T05:40:20.01 0.6 undecidable manual S 346 32.745 98 -0.84 39
IV.CESI.HHE. 2016-08-24T05:40:20.93 0.3 undecidable manual S 321 36.2415 97 -1.14 50
IV.RM33.HNE. 2016-08-24T05:40:18.18 0.3 undecidable manual S 175 26.8509 100 -0.67 63
IV.FEMA.HNZ. 2016-08-24T05:40:18.09 0.6 undecidable manual S 335 25.9518 100 -0.44 46
IV.ARRO.EHZ. 2016-08-24T05:40:18.04 0.3 undecidable manual P 241 39.0276 97 0.77 59
IV.GUMA.HHZ. 2016-08-24T05:40:17.35 0.3 undecidable manual P 19 36.741 97 0.54 66
IV.TERO.HHN. 2016-08-24T05:40:17.20 0.3 undecidable manual P 112 37.0296 97 0.34 69
IV.FDMO.HHZ. 2016-08-24T05:40:16.65 0.6 undecidable manual P 346 32.745 98 0.64 42
IV.CESI.HHE. 2016-08-24T05:40:16.48 0.3 undecidable manual P 321 36.2415 97 -0.23 71
IV.CSP1.EHZ. 2016-08-24T05:40:16.32 0.3 undecidable manual P 3 37.9287 97 -0.72 61
IV.RM33.HNE. 2016-08-24T05:40:14.56 0.3 undecidable manual P 175 26.8509 100 -0.29 71
IV.FEMA.HNZ. 2016-08-24T05:40:14.85 0.1 undecidable manual P 335 25.9518 100 0.19 97
IV.NRCA.HNZ. 2016-08-24T05:40:13.63 0.1 undecidable manual S 328 10.878 113 0.15 100
IV.NRCA.HNZ. 2016-08-24T05:40:12.40 0.1 undecidable manual P 328 10.878 113 0.65 88
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GUMA.HHN. ML:2.3 0.0008249343 0.3424 AML other m 2016-08-24T05:40:23.72
IV.GUMA.HNE. ML:2.3 0.0007582633999999999 0.4 AML other m 2016-08-24T05:40:24.20
IV.GUMA.HNN. ML:2.3 0.0008700951 0.5312 AML other m 2016-08-24T05:40:26.28
IV.GUMA.HHE. ML:2.4 0.0010673513500000001 0.3584 AML other m 2016-08-24T05:40:26.31
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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