Earthquake with magnitude of Md 0.2 on date 17-09-2016 and time 15:56:58 (Italy) in region 4 km E Accumoli (RI)

A magnitude Md 0.2 earthquake occured in region: 4 km E Accumoli (RI), on

  • 17-09-2016 13:56:58 (UTC)
  • 17-09-2016 15:56:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6790, 13.2980 at 9 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 4 667 667
Amatrice RI 6 2657 3324
Arquata del Tronto AP 11 1178 4502
Cittareale RI 13 482 4984
Acquasanta Terme AP 14 2916 7900
Campotosto AQ 15 542 8442
Capitignano AQ 18 665 9107
Montereale AQ 18 2581 11688
Valle Castellana TE 18 977 12665
Cortino TE 18 656 13321
Montegallo AP 19 523 13844
Rocca Santa Maria TE 19 537 14381

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km W of Teramo (54892 inhabitants)
37 Km N of L'Aquila (69753 inhabitants)
55 Km E of Terni (111501 inhabitants)
57 Km SE of Foligno (57155 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
79 Km W of Pescara (121014 inhabitants)
80 Km W of Chieti (51815 inhabitants)
88 Km SE of Perugia (166134 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
89 Km NE of Tivoli (56533 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
Md 0.2 2016-09-17
13:56:58
42.679 13.2978 9 2016-09-17
14:04:36
Sala Sismica INGV-Roma 29146171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-09-17 13:56:58 ± 0.08
Latitude 42.6790 ± 0.0036
Longitude 13.2978 ± 0.0061
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 29146171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 479
Semi-minor axis of confidence ellipse (meter) 341
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 54
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
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) 0.01439
Epicentral distance of station farthest from the epicenter (degree) 0.41818
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

Md:0.2

Field Value
Value 0.2
Uncertainty 0.5
Num. used stations 3
Type of magnitude Md
Reference to an origin 29146171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-09-17 14:04:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2016-09-17T13:57:14.26 0.3 undecidable manual S 351 46.4202 50 0.26 67
IV.T1216.EHZ. 2016-09-17T13:57:09.92 0.3 undecidable manual S 316 32.6451 50 -0.41 66
IV.TERO.HHZ. 2016-09-17T13:57:08.24 0.3 undecidable manual S 104 25.752 109 0.07 72
IV.MC2.EHZ. 2016-09-17T13:57:08.94 0.6 undecidable manual S 341 27.2505 108 0.27 46
IV.T1241.HHZ. 2016-09-17T13:57:07.01 0.3 undecidable manual S 29 22.4553 112 -0.1 72
IV.CSP1.EHZ. 2016-09-17T13:57:07.33 0.3 undecidable manual P 351 46.4202 50 -0.21 68
IV.T1216.EHZ. 2016-09-17T13:57:05.33 1.0 positive manual P 316 32.6451 50 -0.09 24
IV.T1242.HHZ. 2016-09-17T13:57:05.94 0.3 undecidable manual S 335 18.3705 116 0.14 72
IV.TERO.HHZ. 2016-09-17T13:57:04.25 0.6 undecidable manual P 104 25.752 109 0.08 48
IV.MC2.EHZ. 2016-09-17T13:57:04.40 0.3 undecidable manual P 341 27.2505 108 -0.06 72
IV.RM33.EHZ. 2016-09-17T13:57:03.49 0.6 undecidable manual P 200 20.0688 114 0.38 46
IV.T1241.HHZ. 2016-09-17T13:57:03.60 0.6 positive manual P 29 22.4553 112 0.05 49
IV.LNSS.HHZ. 2016-09-17T13:57:03.56 0.1 undecidable manual P 248 22.6551 112 -0.03 98
IV.T1242.HHZ. 2016-09-17T13:57:02.87 0.1 undecidable manual P 335 18.3705 116 0.07 97
IV.T1202.EHZ. 2016-09-17T13:57:01.08 0.3 positive manual P 295 6.5934 144 0.14 74
IV.T1204.EHZ. 2016-09-17T13:57:01.52 0.1 undecidable manual S 102 1.5984 170 -0.37 94
IV.T1204.EHZ. 2016-09-17T13:57:00.63 0.1 undecidable manual P 102 1.5984 170 0.09 100
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