Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 29-08-2015 and time 03:19:29 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 1.5 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 29-08-2015 03:19:29 (UTC)
  • 29-08-2015 05:19:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4160, 15.4670 at 126 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.

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Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km N of Messina (238439 inhabitants)
37 Km NW of Reggio di Calabria (183035 inhabitants)
93 Km N of Acireale (52622 inhabitants)
97 Km SW of Lamezia Terme (70714 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 1.5 2015-08-29
03:19:29		 38.4162 15.4667 126 2016-01-08
08:46:44		 Bollettino Sismico Italiano INGV 21322601
Reviewed
Rev100 		Md 2.2
ML 1.5 		2015-08-29
03:19:28		 38.4217 15.4167 129 2015-08-29
03:39:58		 Sala Sismica INGV-Roma 21125661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-08-29 03:19:29 ± 0.26
Latitude 38.4162 ± 0.0153
Longitude 15.4667 ± 0.0241
Depth (km) 126 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 21322601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2231
Semi-minor axis of confidence ellipse (meter) 948
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 127
Circular confidence region, given by single value of horizontal uncertainty (meter) 2230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.15558
Epicentral distance of station farthest from the epicenter (degree) 1.38855
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.0
Num. used stations 1
Type of magnitude ML
Reference to an origin 21322601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-09-10 12:50:57

ML:1.5

Field Value
Value 1.5
Uncertainty 0.0
Num. used stations 1
Type of magnitude ML
Reference to an origin 21125661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-08-29 03:39:58

Md:2.2

Field Value
Value 2.2
Uncertainty 0.0
Num. used stations 1
Type of magnitude Md
Reference to an origin 21125661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-08-29 03:39:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAR1.HHZ. 2015-08-29T03:20:09.20 0.6 undecidable manual S 34 112.998 135 0.11 43
IV.PLAC.HHZ. 2015-08-29T03:20:05.20 0.6 undecidable manual S 87 84.5487 143 0.14 46
IV.MPAZ.HHZ. 2015-08-29T03:20:03.12 0.6 undecidable manual S 137 69.6747 149 -0.16 47
IV.JOPP.HHZ. 2015-08-29T03:20:00.70 0.3 undecidable manual S 60 42.0246 160 0 76
IV.MSRU.HHZ. 2015-08-29T03:19:59.50 0.3 undecidable manual S 168 17.2716 172 0.11 78
IV.T0702.EHE. 2015-08-29T03:19:56.20 0.3 undecidable manual P 20 154.1346 125 0.09 59
IV.CAR1.HHZ. 2015-08-29T03:19:52.03 0.3 undecidable manual P 34 112.998 135 -0.15 65
IV.PLAC.HHZ. 2015-08-29T03:19:50.07 0.1 negative manual P 87 84.5487 143 0.22 90
IV.NOV.HHZ. 2015-08-29T03:19:48.23 0.3 undecidable manual P 214 51.8037 156 0.44 69
IV.MPAZ.HHZ. 2015-08-29T03:19:48.74 0.3 undecidable manual P 137 69.6747 149 -0.09 71
IV.JOPP.HHZ. 2015-08-29T03:19:47.23 0.1 undecidable manual P 60 42.0246 160 -0.1 100
IV.MCSR.HHZ. 2015-08-29T03:19:47.75 0.3 undecidable manual P 208 44.1225 159 0.33 71
IV.IVPL.HHZ. 2015-08-29T03:19:47.43 0.3 undecidable manual P 264 42.5241 160 0.08 75
IV.MILZ.HHN. 2015-08-29T03:19:46.35 0.3 undecidable manual P 232 26.0517 167 -0.43 72
IV.MSRU.HHZ. 2015-08-29T03:19:46.16 0.1 undecidable manual P 168 17.2716 172 -0.42 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.JOPP.HHN. ML:1.5 0.00001835 1.2 AML other m 2015-08-29T03:20:01.38
IV.JOPP.HHE. ML:1.5 0.00001835 0.92 AML other m 2015-08-29T03:20:01.50
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