Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 22-01-2012 and time 10:07:32 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.3 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 22-01-2012 10:07:32 (UTC)
  • 22-01-2012 11:07:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.3170, 15.5760 at 16 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.

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Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
59 Km W of Cosenza (67546 inhabitants)
75 Km NW of Lamezia Terme (70714 inhabitants)
99 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 		Md 2.4
ML 2.3 		2012-01-22
10:07:32		 39.317 15.576 16 2014-10-21
12:27:13		 Bollettino Sismico Italiano INGV 1334849
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-01-22 10:07:32 ± 0.19
Latitude 39.3170 ± 0.0081
Longitude 15.5760 ± 0.0198
Depth (km) 16 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1334849

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1491
Semi-minor axis of confidence ellipse (meter) 912
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 268
Circular confidence region, given by single value of horizontal uncertainty (meter) 1923.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 187
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.52
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.19070
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1334849
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 02:34:54

Md:2.4

Field Value
Value 2.4
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1334849
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-06 02:34:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCSR.HHE. 2012-01-22T10:08:03.08 10.0 undecidable manual Pg 0 0 0
IV.MGR.HHZ. 2012-01-22T10:07:59.88 0.6 undecidable manual Sg 359 91.0422 0.463 44
IV.MPNC.HHN. 2012-01-22T10:07:59.50 10.0 undecidable manual Pg 0 0 0
MN.CUC.HHZ. 2012-01-22T10:07:56.05 0.3 undecidable manual Sg 15 77.8665 0.161 73
IV.T0711.EHZ. 2012-01-22T10:07:56.15 0.3 undecidable manual Sg 31 80.2641 -0.378 69
IV.MMN.HHZ. 2012-01-22T10:07:54.74 0.3 undecidable manual Sg 29 72.8715 0.168 74
IV.CDRU.HHN. 2012-01-22T10:07:53.69 0.3 undecidable manual Pg 350 132.1677 -0.716 56
IV.SLCN.HHZ. 2012-01-22T10:07:53.16 0.6 undecidable manual Pg 2 119.1918 0.752 37
IV.LADO.EHE. 2012-01-22T10:07:53.09 0.3 undecidable manual Pg 91 120.4905 0.471 63
IV.PLAC.HHE. 2012-01-22T10:07:52.36 0.3 undecidable manual Pg 142 121.6893 -0.434 63
IV.PIPA.HHZ. 2012-01-22T10:07:52.31 10.0 undecidable manual Pg 0 0 0
IV.CMPR.HHZ. 2012-01-22T10:07:51.03 0.3 undecidable manual Pg 348 113.4975 -0.505 64
IV.MTSN.HHZ. 2012-01-22T10:07:51.29 0.3 undecidable manual Pg 8 106.4157 0.846 55
IV.T0712.EHZ. 2012-01-22T10:07:50.94 0.3 undecidable manual Sg 23 60.6948 -0.379 72
MN.TIP.HHZ. 2012-01-22T10:07:50.29 0.3 undecidable manual Pg 98 102.7194 0.415 66
IV.SERS.HHZ. 2012-01-22T10:07:49.88 0.3 undecidable manual Pg 108 100.6215 0.325 68
IV.CAR1.HHZ. 2012-01-22T10:07:49.79 0.6 undecidable manual Sg 97 55.0005 -0.029 51
IV.SALB.HHZ. 2012-01-22T10:07:48.74 0.3 undecidable manual Pg 46 90.5427 0.737 61
IV.GRI.EHN. 2012-01-22T10:07:48.56 0.3 undecidable manual Pg 127 91.0422 0.474 67
IV.MGR.HHZ. 2012-01-22T10:07:47.58 0.1 undecidable manual Pg 359 91.0422 -0.509 88
MN.CUC.HHZ. 2012-01-22T10:07:46.53 0.3 undecidable manual Pg 15 77.8665 0.48 68
IV.T0711.EHZ. 2012-01-22T10:07:46.76 0.3 undecidable manual Pg 31 80.2641 0.343 70
IV.JOPP.HHN. 2012-01-22T10:07:46.76 0.3 undecidable manual Pg 161 83.1501 -0.107 73
IV.CET2.HHZ. 2012-01-22T10:07:45.26 0.3 undecidable manual Sg 54 40.0266 -0.609 68
IV.MMN.HHZ. 2012-01-22T10:07:45.53 0.3 undecidable manual Pg 29 72.8715 0.243 72
IV.T0712.EHZ. 2012-01-22T10:07:43.23 0.1 undecidable manual Pg 23 60.6948 -0.182 100
IV.CAR1.HHZ. 2012-01-22T10:07:42.17 0.1 undecidable manual Pg 97 55.0005 -0.373 96
IV.CET2.HHZ. 2012-01-22T10:07:39.72 0.3 undecidable manual Pg 54 40.0266 -0.548 71
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