Earthquake with magnitude of ML 2.1 on date 25-10-2012 and time 04:13:27 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.1 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 25-10-2012 04:13:27 (UTC)
  • 25-10-2012 06:13:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4920, 15.4320 at 129 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
35 Km NW of Messina (238439 inhabitants)
46 Km NW of Reggio di Calabria (183035 inhabitants)
94 Km SW of Lamezia Terme (70714 inhabitants)
101 Km N of Acireale (52622 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 2.1 2012-10-25
04:13:27
38.4923 15.4318 129 2014-09-19
08:14:18
Bollettino Sismico Italiano INGV 3584991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-10-25 04:13:27 ± 0.48
Latitude 38.4923 ± 0.0342
Longitude 15.4318 ± 0.0345
Depth (km) 129 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 3584991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3070
Semi-minor axis of confidence ellipse (meter) 2813
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 29
Circular confidence region, given by single value of horizontal uncertainty (meter) 3070.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 180
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.27070
Epicentral distance of station farthest from the epicenter (degree) 0.70327
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 3584991
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:46:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCSR.HHZ. 2012-10-25T04:14:01.12 0.6 undecidable manual S 200 50.616 157 0.55 44
IV.GMB.BHZ. 2012-10-25T04:14:00.46 0.6 undecidable manual S 136 49.9167 157 -0.05 49
IV.JOPP.HHE. 2012-10-25T04:13:59.59 0.6 undecidable manual S 72 41.3253 161 -0.26 48
IV.MPAZ.HHE. 2012-10-25T04:13:48.34 0.3 undecidable manual P 140 78.0663 146 0.01 71
IV.MTTG.HHZ. 2012-10-25T04:13:47.02 0.1 undecidable manual P 157 59.0964 153 -0.13 96
IV.NOV.HHE. 2012-10-25T04:13:47.34 0.3 undecidable manual P 207 57.5979 154 0.27 69
IV.GMB.BHZ. 2012-10-25T04:13:47.19 0.1 undecidable manual P 136 49.9167 157 0.52 89
IV.SOI.EHE. 2012-10-25T04:13:47.81 0.1 undecidable manual P 130 71.373 149 -0.08 94
IV.IVPL.HHE. 2012-10-25T04:13:46.33 0.1 undecidable manual P 252 41.3253 161 0.04 100
IV.MCSR.HHZ. 2012-10-25T04:13:46.70 0.1 undecidable manual P 200 50.616 157 0 99
IV.JOPP.HHE. 2012-10-25T04:13:46.76 0.3 undecidable manual P 72 41.3253 161 0.47 69
IV.MSCL.HHZ. 2012-10-25T04:13:46.11 0.1 undecidable manual P 133 42.4242 160 -0.22 97
IV.MPNC.HHZ. 2012-10-25T04:13:45.75 0.1 undecidable manual P 190 38.9277 162 -0.44 93
IV.MILZ.HHE. 2012-10-25T04:13:45.44 0.3 undecidable manual P 216 30.0477 166 -0.44 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCSR.HHE. ML:2.0 0.000052249999999999996 1.04 AML other m 2012-10-25T04:13:48.15
IV.MCSR.HHN. ML:1.9 0.0000485 0.34 AML other m 2012-10-25T04:13:47.64
IV.MSCL.HHN. ML:2.3 0.000127 0.44 AML other m 2012-10-25T04:14:05.95
IV.MSCL.HHE. ML:2.2 0.00009615 1.28 AML other m 2012-10-25T04:14:24.62
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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