Earthquake with magnitude of Md 2.5 on date 23-12-2012 and time 00:43:12 (Italy) in region Isole Eolie (Messina)

A magnitude Md 2.5 earthquake occured in region: Isole Eolie (Messina), on

  • 22-12-2012 23:43:12 (UTC)
  • 23-12-2012 00:43:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.5920, 14.9850 at 285 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
Santa Marina Salina ME 10 903 903
Malfa ME 13 982 1885
Lipari ME 14 12753 14638
Leni ME 15 696 15334

Municipalities with at least 50000 inhabitants

An earthquake occurred to
67 Km NW of Messina (238439 inhabitants)
79 Km NW of Reggio di Calabria (183035 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 2.5 2012-12-22
23:43:12
38.5917 14.9853 285 2014-09-19
08:14:18
Bollettino Sismico Italiano INGV 3561491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-12-22 23:43:12 ± 0.45
Latitude 38.5917 ± 0.0612
Longitude 14.9853 ± 0.0897
Depth (km) 285 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 3561491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 9398
Semi-minor axis of confidence ellipse (meter) 3937
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 128
Circular confidence region, given by single value of horizontal uncertainty (meter) 9400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 235
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.14839
Epicentral distance of station farthest from the epicenter (degree) 1.49917
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty 0.6
Num. used stations 5
Type of magnitude Md
Reference to an origin 3561491
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-05-20 13:30:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.TIP.HHE. 2012-12-22T23:44:27.07 0.6 undecidable manual S 66 166.4112 149 0.09 42
IV.SERS.HHE. 2012-12-22T23:44:25.82 0.6 undecidable manual S 71 155.2224 150 0.06 45
IV.PLAC.HHZ. 2012-12-22T23:44:22.80 0.6 undecidable manual S 97 127.0728 155 -0.19 47
IV.MPAZ.HHZ. 2012-12-22T23:44:22.42 0.6 undecidable manual S 128 113.6973 157 0.6 43
IV.JOPP.HHZ. 2012-12-22T23:44:19.00 0.6 undecidable manual S 88 78.0663 164 -0.29 50
MN.TIP.HHE. 2012-12-22T23:43:56.00 0.1 undecidable manual P 66 166.4112 149 0.35 80
IV.SERS.HHE. 2012-12-22T23:43:55.00 0.1 undecidable manual P 71 155.2224 150 0.06 89
IV.PLAC.HHZ. 2012-12-22T23:43:53.35 0.1 undecidable manual P 97 127.0728 155 0.01 97
IV.MPAZ.HHZ. 2012-12-22T23:43:52.58 0.1 undecidable manual P 128 113.6973 157 -0.09 98
IV.SOI.EHZ. 2012-12-22T23:43:52.42 0.1 undecidable manual P 121 109.3128 158 -0.04 100
IV.GMB.BHE. 2012-12-22T23:43:51.91 0.3 undecidable manual P 122 87.1461 162 0.38 73
IV.MSCL.HHZ. 2012-12-22T23:43:50.91 0.1 undecidable manual P 119 80.5638 164 -0.38 99
IV.JOPP.HHZ. 2012-12-22T23:43:50.59 0.1 undecidable manual P 88 78.0663 164 -0.61 92
IV.ILLI.HHE. 2012-12-22T23:43:50.72 0.6 undecidable manual P 191 16.4724 177 0.81 48
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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