Earthquake with magnitude of ML 0.2 on date 13-08-2015 and time 20:08:09 (Italy) in region 5 km W Visso (MC)

A magnitude ML 0.2 earthquake occured in region: 5 km W Visso (MC), on

  • 13-08-2015 18:08:09 (UTC)
  • 13-08-2015 20:08:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9420, 13.0250 at 11 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
Visso MC 5 1107 1107
Monte Cavallo MC 6 145 1252
Preci PG 7 724 1976
Ussita MC 9 444 2420
Sellano PG 10 1079 3499
Castelsantangelo sul Nera MC 12 281 3780
Pieve Torina MC 12 1458 5238
Fiordimonte MC 12 202 5440
Pievebovigliana MC 14 866 6306
Fiastra MC 15 559 6865
Serravalle di Chienti MC 16 1070 7935
Acquacanina MC 16 121 8056
Muccia MC 16 915 8971
Cerreto di Spoleto PG 16 1075 10046
Norcia PG 17 4957 15003
Bolognola MC 18 142 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Foligno (57155 inhabitants)
52 Km NE of Terni (111501 inhabitants)
55 Km E of Perugia (166134 inhabitants)
64 Km NW of Teramo (54892 inhabitants)
72 Km NW of L'Aquila (69753 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
95 Km NE of Viterbo (67173 inhabitants)
100 Km S of Fano (60888 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 0.2 2015-08-13
18:08:09
42.9418 13.0248 11 2016-01-08
08:46:44
Bollettino Sismico Italiano INGV 21909011
Reviewed
Rev100
ML 0.4 2015-08-13
18:08:06
43.0948 12.8117 10 2015-08-13
18:57:43
Sala Sismica INGV-Roma 20875201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-08-13 18:08:09 ± 0.23
Latitude 42.9418 ± 0.0144
Longitude 13.0248 ± 0.0098
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 21909011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1703
Semi-minor axis of confidence ellipse (meter) 545
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 341
Circular confidence region, given by single value of horizontal uncertainty (meter) 1700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 265
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.10522
Epicentral distance of station farthest from the epicenter (degree) 0.19965
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:0.2

Field Value
Value 0.2
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 21909011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-10-22 10:28:25

ML:0.4

Field Value
Value 0.4
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 20875201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-08-13 18:57:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2015-08-13T18:08:17.54 0.1 undecidable manual S 41 22.1556 50 0.08 97
IV.FDMO.HHZ. 2015-08-13T18:08:14.43 0.3 undecidable manual S 26 11.6772 133 -0.08 74
IV.CESI.HHE. 2015-08-13T18:08:14.59 0.3 undecidable manual S 306 11.9769 132 -0.01 75
IV.CSP1.EHZ. 2015-08-13T18:08:13.76 0.1 undecidable manual P 41 22.1556 50 -0.13 96
IV.FDMO.HHZ. 2015-08-13T18:08:12.30 0.1 undecidable manual P 26 11.6772 133 0.11 98
IV.CESI.HHE. 2015-08-13T18:08:12.26 0.1 undecidable manual P 306 11.9769 132 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.2 0.000020799999999999997 0.2 AML other m 2015-08-13T18:08:14.65
IV.FDMO.HHE. ML:0.1 0.000014499999999999998 0.22 AML other m 2015-08-13T18:08:14.98
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