Earthquake with magnitude of ML 2.0 on date 22-05-2011 and time 00:08:33 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 2.0 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 21-05-2011 22:08:33 (UTC)
  • 22-05-2011 00:08:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.7490, 15.5890 at 162 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
62 Km N of Messina (238439 inhabitants)
68 Km W of Lamezia Terme (70714 inhabitants)
71 Km N of Reggio di Calabria (183035 inhabitants)
84 Km SW of Cosenza (67546 inhabitants)
89 Km W of Catanzaro (90612 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 2.0 2011-05-21
22:08:33
38.749 15.589 162 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1216729
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-05-21 22:08:33 ± 0.24
Latitude 38.7490 ± 0.0108
Longitude 15.5890 ± 0.0404
Depth (km) 162 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1216729

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3461
Semi-minor axis of confidence ellipse (meter) 760
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 89
Circular confidence region, given by single value of horizontal uncertainty (meter) 3700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 205
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.26984
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 8
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1216729
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:51:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NOCI.HHN. 2011-05-21T22:09:41.08 10.0 undecidable manual Sg 0 0 0
IV.BDI.HHN. 2011-05-21T22:09:40.97 10.0 undecidable manual Pg 0 0 0
IV.CRAC.EHE. 2011-05-21T22:09:32.72 10.0 undecidable manual Pg 0 0 0
MN.CUC.HHE. 2011-05-21T22:09:23.24 0.6 undecidable manual Sg 8 139.4604 0.323 38
IV.MPAZ.HHN. 2011-05-21T22:09:17.31 0.6 undecidable manual Sg 157 95.5377 0.222 43
IV.SOI.EHE. 2011-05-21T22:09:16.35 0.6 undecidable manual Sg 152 85.248 0.405 42
IV.PLAC.HHE. 2011-05-21T22:09:15.43 0.3 undecidable manual Sg 114 80.8635 -0.059 69
IV.CAR1.HHN. 2011-05-21T22:09:15.08 0.1 undecidable manual Sg 44 77.4669 -0.079 92
IV.MSCL.HHE. 2011-05-21T22:09:13.81 0.3 undecidable manual Sg 163 59.9955 0.219 69
IV.NOCI.HHN. 2011-05-21T22:09:11.21 10.0 undecidable manual Pg 0 0 0
IV.JOPP.HHN. 2011-05-21T22:09:11.50 0.1 undecidable manual Sg 121 30.1476 -0.27 97
IV.SALB.HHN. 2011-05-21T22:09:02.71 0.1 undecidable manual Pg 27 140.9478 0.553 73
MN.CUC.HHE. 2011-05-21T22:09:01.91 0.6 undecidable manual Pg 8 139.4604 -0.117 40
IV.MPAZ.HHN. 2011-05-21T22:08:58.70 0.1 undecidable manual Pg 157 95.5377 0.045 90
IV.CAR1.HHN. 2011-05-21T22:08:57.28 0.1 undecidable manual Pg 44 77.4669 -0.26 88
IV.PLAC.HHE. 2011-05-21T22:08:57.60 0.1 undecidable manual Pg 114 80.8635 -0.131 90
IV.SOI.EHE. 2011-05-21T22:08:57.90 0.1 undecidable manual Pg 152 85.248 -0.099 90
IV.MSCL.HHE. 2011-05-21T22:08:56.60 0.1 undecidable manual Pg 163 59.9955 -0.037 95
IV.JOPP.HHN. 2011-05-21T22:08:55.51 0.1 undecidable manual Pg 121 30.1476 -0.078 100
IV.MURB.HHE. 2011-05-21T22:08:50.09 10.0 undecidable manual Pg 0 0 0
MN.PDG.HHZ. 2011-05-21T22:08:47.56 10.0 undecidable manual Pg 0 0 0
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