Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 0.8 on date 08-09-2016 and time 19:55:19 (UTC) in region 3 km SE Ussita (MC)

A magnitude Md 0.8 earthquake occured in region: 3 km SE Ussita (MC), on

  • 08-09-2016 19:55:19 (UTC)
  • 08-09-2016 21:55:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9260, 13.1650 at 0 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Ussita MC 3 444 444
Castelsantangelo sul Nera MC 4 281 725
Visso MC 6 1107 1832
Bolognola MC 9 142 1974
Preci PG 11 724 2698
Acquacanina MC 12 121 2819
Fiastra MC 12 559 3378
Montemonaco AP 14 604 3982
Fiordimonte MC 14 202 4184
Montefortino FM 15 1178 5362
Monte Cavallo MC 15 145 5507
Norcia PG 16 4957 10464
Pieve Torina MC 16 1458 11922
Pievebovigliana MC 17 866 12788
Sarnano MC 17 3264 16052
Montegallo AP 17 523 16575
Amandola FM 17 3629 20204
Sellano PG 20 1079 21283
Muccia MC 20 915 22198

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
53 Km NW of Teramo (54892 inhabitants)
59 Km NE of Terni (111501 inhabitants)
66 Km E of Perugia (166134 inhabitants)
67 Km N of L'Aquila (69753 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
93 Km NW of Montesilvano (53738 inhabitants)
100 Km NW of Pescara (121014 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 0.8 2016-09-08
19:55:19		 42.926 13.1648 0 2016-09-08
20:09:13		 Sala Sismica INGV-Roma 28566171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-09-08 19:55:19 ± 0.13
Latitude 42.9260 ± 0.0054
Longitude 13.1648 ± 0.0111
Depth (km) 0 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 28566171

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 930
Semi-minor axis of confidence ellipse (meter) 560
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 82
Circular confidence region, given by single value of horizontal uncertainty (meter) 930.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.22663
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 6
Magnitude information

Md:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations 5
Type of magnitude Md
Reference to an origin 28566171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-09-08 20:09:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SPS2.HHZ. 2016-09-08T19:56:22.16 3.0 negative manual Pg 3.57 0
CR.ZAG.BHZ. 2016-09-08T19:56:03.99 3.0 undecidable manual Sg -4.23 0
IV.MNTV.HNZ. 2016-09-08T19:56:00.97 3.0 undecidable manual Pg 18.01 0
IV.PTRJ.HNZ. 2016-09-08T19:55:37.81 3.0 undecidable manual Pg -8.45 0
IV.T1243.HHZ. 2016-09-08T19:55:26.12 3.0 positive manual P -2.19 0
IV.CSP1.EHZ. 2016-09-08T19:55:26.78 0.1 undecidable manual S 10 18.6702 91 0.66 84
IV.T1216.EHZ. 2016-09-08T19:55:26.03 3.0 negative manual Pn -1.49 0
IV.T1202.EHZ. 2016-09-08T19:55:24.83 0.1 undecidable manual P 169 25.1526 91 0.15 95
IV.FDMO.HHZ. 2016-09-08T19:55:24.04 0.3 undecidable manual S 333 13.7751 92 -0.38 69
IV.MMO1.EHZ. 2016-09-08T19:55:24.12 0.1 undecidable manual S 103 13.4754 92 -0.2 96
IV.T1242.HHZ. 2016-09-08T19:55:23.04 0.3 undecidable manual S 163 11.1777 92 -0.48 68
IV.NRCA.HHZ. 2016-09-08T19:55:23.57 0.3 undecidable manual S 202 11.0778 92 0.1 74
IV.NRCA.HHZ. 2016-09-08T19:55:22.22 0.1 undecidable manual P 202 11.0778 92 0.37 93
IV.FDMO.HHZ. 2016-09-08T19:55:22.20 0.1 undecidable manual P 333 13.7751 92 -0.19 96
IV.MMO1.EHZ. 2016-09-08T19:55:22.61 0.1 undecidable manual P 103 13.4754 92 0.27 95
IV.CSP1.EHZ. 2016-09-08T19:55:22.95 0.1 undecidable manual P 10 18.6702 91 -0.42 91
IV.T1242.HHZ. 2016-09-08T19:55:21.86 0.1 undecidable manual P 163 11.1777 92 -0.02 100
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
Waveforms Seismic signals in miniseed + resp format Download