Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 23-08-2014 and time 00:55:49 (Italy) in region Tirreno Meridionale (MARE)

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

  • 22-08-2014 22:55:49 (UTC)
  • 23-08-2014 00:55:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.9750, 15.2340 at 284 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
91 Km N of Messina (238439 inhabitants)
94 Km W of Lamezia Terme (70714 inhabitants)
95 Km W of Cosenza (67546 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 2.5 2014-08-22
22:55:49		 38.9752 15.2343 284 2015-09-21
09:39:02		 Bollettino Sismico Italiano INGV 18112161
Reviewed
Rev100 		ML 2.5 2014-08-22
22:55:49		 38.954 15.1743 282 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 7939671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-08-22 22:55:49 ± 0.23
Latitude 38.9752 ± 0.0144
Longitude 15.2343 ± 0.0335
Depth (km) 284 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 18112161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3013
Semi-minor axis of confidence ellipse (meter) 1009
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 108
Circular confidence region, given by single value of horizontal uncertainty (meter) 3010.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 168
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.63042
Epicentral distance of station farthest from the epicenter (degree) 1.32650
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 18112161
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-03-31 10:41:41

ML:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 7939671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-08-22 23:13:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIPA.HHZ. 2014-08-22T22:57:00.70 0.1 undecidable manual S 67 147.2415 152 -0.32 84
IV.SALB.HHZ. 2014-08-22T22:57:00.60 0.1 undecidable manual S 43 138.1617 153 0.48 82
IV.MPAZ.HHZ. 2014-08-22T22:57:00.24 0.1 undecidable manual S 149 131.7681 154 0.73 75
MN.TIP.HHZ. 2014-08-22T22:56:59.70 0.1 undecidable manual S 80 133.1667 154 0.06 91
IV.SERS.HHE. 2014-08-22T22:56:59.36 0.1 undecidable manual S 86 125.5743 155 0.42 85
IV.AIO.HHZ. 2014-08-22T22:56:58.00 0.1 undecidable manual S 180 111.3996 158 0.28 91
IV.CELI.HHZ. 2014-08-22T22:56:58.40 0.1 undecidable manual S 66 119.3916 156 0 94
IV.PLAC.HHZ. 2014-08-22T22:56:58.10 0.1 undecidable manual S 119 119.3916 156 -0.3 89
IV.SOI.EHZ. 2014-08-22T22:56:58.70 0.1 undecidable manual S 144 122.7882 156 0.01 94
IV.T0702.EHZ. 2014-08-22T22:56:57.10 0.1 undecidable manual S 41 110.2119 158 -0.53 86
IV.GMB.BHZ. 2014-08-22T22:56:57.00 0.1 undecidable manual S 150 103.3188 159 -0.09 96
IV.CET2.HHZ. 2014-08-22T22:56:55.90 0.1 undecidable manual S 45 87.1461 162 -0.05 100
IV.CAR1.HHZ. 2014-08-22T22:56:55.60 0.1 undecidable manual S 70 89.5437 162 -0.5 91
IV.MSRU.HHZ. 2014-08-22T22:56:55.80 0.1 undecidable manual S 163 82.3509 163 0.16 99
IV.JOPP.HNZ. 2014-08-22T22:56:54.58 3.0 undecidable manual S 72.8715 -0.23 0
IV.PIPA.HHZ. 2014-08-22T22:56:31.03 0.1 positive manual P 67 147.2415 152 0.38 82
IV.SALB.HHZ. 2014-08-22T22:56:30.48 0.1 undecidable manual P 43 138.1617 153 0.35 85
MN.TIP.HHZ. 2014-08-22T22:56:30.09 0.1 negative manual P 80 133.1667 154 0.25 87
IV.AIO.HHZ. 2014-08-22T22:56:29.24 0.1 undecidable manual P 180 111.3996 158 0.5 87
IV.SERS.HHE. 2014-08-22T22:56:29.68 0.1 negative manual P 86 125.5743 155 0.24 89
IV.MGR.HHE. 2014-08-22T22:56:29.97 0.1 undecidable manual P 12 131.7681 154 0.19 89
IV.CELI.HHZ. 2014-08-22T22:56:29.75 0.1 undecidable manual P 66 119.3916 156 0.62 81
IV.PLAC.HHZ. 2014-08-22T22:56:29.09 0.1 undecidable manual P 119 119.3916 156 -0.04 94
IV.BULG.HHE. 2014-08-22T22:56:29.79 0.1 undecidable manual P 6 122.988 156 0.48 85
IV.MPAZ.HHZ. 2014-08-22T22:56:29.66 0.1 undecidable manual P 149 131.7681 154 -0.11 90
IV.SOI.EHZ. 2014-08-22T22:56:29.06 0.1 undecidable manual P 144 122.7882 156 -0.23 89
IV.NOV.HHZ. 2014-08-22T22:56:28.85 0.1 undecidable manual P 185 105.4167 159 0.39 90
IV.MCSR.HHZ. 2014-08-22T22:56:28.35 0.1 undecidable manual P 180 101.0211 160 0.08 97
IV.T0702.EHZ. 2014-08-22T22:56:28.30 0.1 undecidable manual P 41 110.2119 158 -0.39 89
IV.GMB.BHZ. 2014-08-22T22:56:28.36 0.1 undecidable manual P 150 103.3188 159 -0.01 97
IV.CAR1.HHZ. 2014-08-22T22:56:27.42 0.1 negative manual P 70 89.5437 162 -0.38 93
IV.ATN.BHZ. 2014-08-22T22:56:27.28 0.1 positive manual P 167 92.6406 161 -0.64 85
IV.MSCL.HHE. 2014-08-22T22:56:27.68 0.1 undecidable manual P 150 95.4378 161 -0.36 92
IV.CET2.HHZ. 2014-08-22T22:56:27.48 0.1 undecidable manual P 45 87.1461 162 -0.23 96
IV.MSRU.HHZ. 2014-08-22T22:56:27.05 0.1 positive manual P 163 82.3509 163 -0.49 92
MN.CEL.HHE. 2014-08-22T22:56:27.73 0.1 undecidable manual P 144 97.7244 160 -0.41 91
IV.IVPL.HHE. 2014-08-22T22:56:27.37 0.1 undecidable manual P 198 69.9744 166 0.25 99
IV.MILZ.HHZ. 2014-08-22T22:56:26.98 0.1 undecidable manual P 180 78.0663 164 -0.41 94
IV.JOPP.HNZ. 2014-08-22T22:56:26.81 3.0 undecidable manual P 72.8715 -0.3 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAR1.HHE. ML:2.8 0.0000819 0.4 AML other m 2014-08-22T22:56:57.09
IV.CET2.HHN. ML:2.6 0.00005305 0.38 AML other m 2014-08-22T22:56:58.56
IV.CET2.HHE. ML:2.6 0.0000514 1 AML other m 2014-08-22T22:56:58.26
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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