Earthquake with magnitude of ML 1.6 on date 24-08-2011 and time 08:08:32 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 1.6 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 24-08-2011 08:08:32 (UTC)
  • 24-08-2011 10:08:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.8060, 14.7100 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
92 Km S of Battipaglia (50786 inhabitants)
97 Km S of Salerno (135261 inhabitants)
100 Km S of Cava de' Tirreni (53659 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 2.2
ML 1.6
2011-08-24
08:08:32
39.806 14.71 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1276779
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-08-24 08:08:32 ± 0.37
Latitude 39.8060 ± 0.0153
Longitude 14.7100 ± 0.0199
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1276779

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1737
Semi-minor axis of confidence ellipse (meter) 1684
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 231
Circular confidence region, given by single value of horizontal uncertainty (meter) 2404.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 316
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.57916
Epicentral distance of station farthest from the epicenter (degree) 0.86785
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1276779
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:13:55

Md:2.2

Field Value
Value 2.2
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1276779
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 01:13:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.CUC.HHE. 2011-08-24T08:09:00.78 0.3 undecidable manual Sg 77 96.3258 -0.532 86
IV.CDRU.HHZ. 2011-08-24T08:08:59.60 0.3 undecidable manual Sg 33 91.0422 -0.295 92
IV.MGR.HHZ. 2011-08-24T08:08:57.33 0.3 undecidable manual Sg 63 80.5638 0.228 95
IV.CMPR.HHZ. 2011-08-24T08:08:55.92 0.3 undecidable manual Sg 41 75.8685 0.071 99
IV.BULG.HHN. 2011-08-24T08:08:53.13 0.3 undecidable manual Sg 62 64.2912 0.375 95
MN.CUC.HHE. 2011-08-24T08:08:49.55 0.3 undecidable manual Pg 77 96.3258 0.249 92
IV.CDRU.HHZ. 2011-08-24T08:08:48.49 0.3 undecidable manual Pg 33 91.0422 0.007 97
IV.CMPR.HHZ. 2011-08-24T08:08:46.25 0.3 undecidable manual Pg 41 75.8685 0.102 98
IV.MGR.HHZ. 2011-08-24T08:08:46.74 0.3 undecidable manual Pg 63 80.5638 -0.131 97
IV.BULG.HHN. 2011-08-24T08:08:44.24 0.3 undecidable manual Pg 62 64.2912 -0.122 100
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