Earthquake with magnitude of ML 2.5 on date 26-03-2012 and time 22:06:53 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.5 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 26-03-2012 22:06:53 (UTC)
  • 27-03-2012 00:06:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.6950, 13.1290 at 22 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
Ustica PA 6 1344 1344

Municipalities with at least 50000 inhabitants

An earthquake occurred to
67 Km N of Palermo (674435 inhabitants)
76 Km NW of Bagheria (55387 inhabitants)
92 Km NE of Trapani (68759 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 2.8
ML 2.5
2012-03-26
22:06:53
38.695 13.129 22 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1353079
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-03-26 22:06:53 ± 0.32
Latitude 38.6950 ± 0.0180
Longitude 13.1290 ± 0.0277
Depth (km) 22 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1353079

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2598
Semi-minor axis of confidence ellipse (meter) 1650
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 303
Circular confidence region, given by single value of horizontal uncertainty (meter) 3124.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 231
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.56
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.76267
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 1353079
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 03:00:57

Md:2.8

Field Value
Value 2.8
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1353079
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 03:00:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.VSL.BHZ. 2012-03-26T22:07:39.31 10.0 undecidable manual Pg 0 0 0
IV.MEU.SHZ. 2012-03-26T22:07:31.05 10.0 undecidable manual Pg 0 0 0
IV.MMME.HHN. 2012-03-26T22:07:27.43 10.0 undecidable manual Pg 0 0 0
IV.MCSR.HHN. 2012-03-26T22:07:23.57 0.6 undecidable manual Pg 110 195.6597 -0.403 28
IV.CAVT.SHZ. 2012-03-26T22:07:21.94 10.0 undecidable manual Pg 0 0 0
IV.MCT.BHE. 2012-03-26T22:07:21.54 10.0 undecidable manual Pg 0 0 0
IV.CORL.HHN. 2012-03-26T22:07:21.04 0.6 undecidable manual Sg 170 90.0432 0.383 42
IV.RESU.HHN. 2012-03-26T22:07:18.20 1.0 undecidable manual Pg 145 141.6471 0.949 15
IV.SOLUN.HHZ. 2012-03-26T22:07:17.20 0.6 undecidable manual Sg 152 75.5688 0.393 45
IV.PTF.SHZ. 2012-03-26T22:07:16.12 10.0 undecidable manual Pg 0 0 0
MN.CLTB.HHZ. 2012-03-26T22:07:15.28 0.3 undecidable manual Pg 176 124.0869 0.698 52
IV.ALJA.HHZ. 2012-03-26T22:07:14.34 0.3 undecidable manual Pg 152 118.1928 0.667 55
IV.PLLN.SHZ. 2012-03-26T22:07:13.49 0.1 undecidable manual Pg 131 117.6933 -0.107 82
IV.MPG.SHE. 2012-03-26T22:07:12.56 1.0 undecidable manual Sg 161 62.493 -0.819 18
IV.GIB.HHZ. 2012-03-26T22:07:12.48 0.6 undecidable manual Pg 135 110.5005 -0.014 42
IV.IACL.HHZ. 2012-03-26T22:07:12.29 0.6 undecidable manual Pg 99 107.8143 0.21 43
IV.MMGO.SHZ. 2012-03-26T22:07:12.86 0.3 undecidable manual Pg 187 115.2957 -0.378 61
IV.CRJA.SHZ. 2012-03-26T22:07:10.87 0.6 undecidable manual Pg 186 99.6225 0.03 43
IV.MTGR.SHZ. 2012-03-26T22:07:09.77 0.3 undecidable manual Pg 200 94.5387 -0.28 66
IV.CORL.HHN. 2012-03-26T22:07:08.78 0.3 undecidable manual Pg 170 90.0432 -0.592 60
IV.SOLUN.HHZ. 2012-03-26T22:07:07.40 0.3 undecidable manual Pg 152 75.5688 0.245 67
IV.MPG.SHE. 2012-03-26T22:07:04.34 0.6 undecidable manual Pg 161 62.493 -0.83 37
IV.USI.HHE. 2012-03-26T22:07:00.53 0.3 undecidable manual Sg 71 4.5954 -0.224 76
IV.USI.HHE. 2012-03-26T22:06:58.11 0.1 undecidable manual Pg 71 4.5954 0.225 100
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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