Earthquake with magnitude of ML 1.9 on date 29-08-2011 and time 21:42:27 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 1.9 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 29-08-2011 21:42:27 (UTC)
  • 29-08-2011 23:42:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.7870, 14.6980 at 10 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
95 Km S of Battipaglia (50786 inhabitants)
99 Km S of Salerno (135261 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
Md 2.3
ML 1.9
2011-08-29
21:42:27
39.787 14.698 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1278919
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-08-29 21:42:27 ± 0.51
Latitude 39.7870 ± 0.0225
Longitude 14.6980 ± 0.0234
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1278919

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3156
Semi-minor axis of confidence ellipse (meter) 1629
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 325
Circular confidence region, given by single value of horizontal uncertainty (meter) 3201.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 317
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.52
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.97936
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1278919
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:16:58

Md:2.3

Field Value
Value 2.3
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1278919
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:16:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SIRI.HHE. 2011-08-29T21:42:59.24 0.6 undecidable manual Sg 66 108.7134 0.185 45
IV.MNO.SHN. 2011-08-29T21:42:56.52 10.0 undecidable manual Pg 0 0 0
MN.CUC.HHZ. 2011-08-29T21:42:55.83 0.6 undecidable manual Sg 76 97.9242 -0.346 45
IV.CDRU.HHZ. 2011-08-29T21:42:54.87 0.6 undecidable manual Sg 33 93.4398 -0.123 47
IV.MGR.HHZ. 2011-08-29T21:42:52.02 0.3 undecidable manual Sg 62 82.5507 -0.054 74
IV.CMPR.HHZ. 2011-08-29T21:42:51.16 0.3 undecidable manual Sg 41 78.2661 0.229 72
IV.PIPA.HHN. 2011-08-29T21:42:50.90 10.0 undecidable manual Pg 0 0 0
IV.BULG.HHN. 2011-08-29T21:42:47.73 0.6 undecidable manual Sg 61 66.2781 -0.011 51
IV.SIRI.HHE. 2011-08-29T21:42:46.57 0.3 undecidable manual Pg 66 108.7134 0.913 54
IV.SLCN.HHE. 2011-08-29T21:42:45.63 0.3 undecidable manual Pg 50 103.8183 0.724 59
IV.MTSN.HHE. 2011-08-29T21:42:45.26 0.6 undecidable manual Pg 59 104.118 0.3 45
MN.CUC.HHZ. 2011-08-29T21:42:44.14 0.3 undecidable manual Pg 76 97.9242 0.148 70
IV.CDRU.HHZ. 2011-08-29T21:42:43.03 0.3 undecidable manual Pg 33 93.4398 -0.278 69
IV.CMPR.HHZ. 2011-08-29T21:42:40.78 0.3 undecidable manual Pg 41 78.2661 -0.182 72
IV.MGR.HHZ. 2011-08-29T21:42:40.71 0.1 undecidable manual Pg 62 82.5507 -0.917 75
IV.BULG.HHN. 2011-08-29T21:42:39.01 0.1 undecidable manual Pg 61 66.2781 -0.114 100
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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