Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 23-08-2014 and time 23:57:18 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.0 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 23-08-2014 23:57:18 (UTC)
  • 24-08-2014 01:57:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.7550, 15.6360 at 149 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
63 Km N of Messina (238439 inhabitants)
64 Km W of Lamezia Terme (70714 inhabitants)
72 Km N of Reggio di Calabria (183035 inhabitants)
80 Km SW of Cosenza (67546 inhabitants)
85 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 		ML 2.0 2014-08-23
23:57:18		 38.7553 15.6355 149 2015-09-21
09:39:02		 Bollettino Sismico Italiano INGV 18003801
Reviewed
Rev100 		ML 2.1 2014-08-23
23:57:17		 38.74 15.6795 158 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 7955641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-08-23 23:57:18 ± 0.18
Latitude 38.7553 ± 0.0108
Longitude 15.6355 ± 0.0231
Depth (km) 149 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 18003801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2104
Semi-minor axis of confidence ellipse (meter) 615
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 111
Circular confidence region, given by single value of horizontal uncertainty (meter) 2100.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 165
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.24551
Epicentral distance of station farthest from the epicenter (degree) 0.96947
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 7955641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-08-24 00:09:47

ML:2.0

Field Value
Value 2.0
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 18003801
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-09 13:36:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPAZ.HHZ. 2014-08-23T23:57:59.59 0.3 undecidable manual S 160 94.6386 145 -0.05 67
IV.MCSR.HHZ. 2014-08-23T23:57:58.50 0.6 undecidable manual S 205 84.3489 148 0.08 46
IV.CET2.HHZ. 2014-08-23T23:57:58.82 0.6 undecidable manual S 18 90.0432 147 -0.26 44
IV.CAR1.HHZ. 2014-08-23T23:57:57.03 0.3 undecidable manual S 42 74.2701 152 -0.3 66
IV.PLAC.HHZ. 2014-08-23T23:57:57.67 0.6 undecidable manual S 116 77.4669 151 0.01 47
IV.GMB.BHZ. 2014-08-23T23:57:56.96 0.6 undecidable manual S 165 67.2771 154 0.32 45
IV.MSRU.HHE. 2014-08-23T23:57:56.00 0.6 undecidable manual S 191 55.5999 158 0.38 45
MN.CEL.HHZ. 2014-08-23T23:57:55.56 0.3 undecidable manual S 158 59.2962 157 -0.37 67
IV.JOPP.HHZ. 2014-08-23T23:57:54.11 0.3 undecidable manual S 127 27.2505 169 0.23 74
IV.CELI.HHE. 2014-08-23T23:57:43.23 0.6 undecidable manual P 46 104.0181 143 0.29 42
MN.TIP.HHE. 2014-08-23T23:57:43.30 0.3 undecidable manual P 64 107.6145 142 0.08 65
IV.CET2.HHZ. 2014-08-23T23:57:42.10 0.3 undecidable manual P 18 90.0432 147 0.17 66
IV.SERS.HHE. 2014-08-23T23:57:42.50 0.3 undecidable manual P 71 96.126 145 0.15 66
IV.MCSR.HHZ. 2014-08-23T23:57:41.55 0.6 undecidable manual P 205 84.3489 148 0 46
IV.MPAZ.HHZ. 2014-08-23T23:57:41.93 0.3 undecidable manual P 160 94.6386 145 -0.32 64
IV.CAR1.HHZ. 2014-08-23T23:57:40.90 0.3 undecidable manual P 42 74.2701 152 -0.02 71
IV.PLAC.HHZ. 2014-08-23T23:57:40.94 0.3 undecidable manual P 116 77.4669 151 -0.17 68
MN.CEL.HHZ. 2014-08-23T23:57:40.45 0.3 undecidable manual P 158 59.2962 157 0.34 68
IV.MPNC.HHE. 2014-08-23T23:57:40.45 0.6 undecidable manual P 200 71.8725 152 -0.33 45
IV.GMB.BHZ. 2014-08-23T23:57:40.60 0.3 undecidable manual P 165 67.2771 154 0.08 71
IV.MILZ.HHZ. 2014-08-23T23:57:40.21 0.6 undecidable manual P 213 64.1913 155 -0.14 47
IV.JOPP.HHZ. 2014-08-23T23:57:39.06 0.1 undecidable manual P 127 27.2505 169 0.14 100
IV.MSRU.HHE. 2014-08-23T23:57:39.61 0.3 undecidable manual P 191 55.5999 158 -0.32 69
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAR1.HHE. ML:2.0 0.000044399999999999995 1.58 AML other m 2014-08-23T23:57:59.67
IV.CAR1.HHN. ML:2.0 0.0000431 0.38 AML other m 2014-08-23T23:58:02.25
IV.JOPP.HHN. ML:2.0 0.00004645 0.86 AML other m 2014-08-23T23:57:55.41
IV.JOPP.HHE. ML:2.0 0.0000501 0.38 AML other m 2014-08-23T23:57:56.13
IV.MCSR.HHE. ML:1.9 0.00003325 1.36 AML other m 2014-08-23T23:58:02.18
IV.MCSR.HHN. ML:2.0 0.00004704999999999999 1.38 AML other m 2014-08-23T23:58:02.19
IV.MPAZ.HHE. ML:1.8 0.00002465 1.28 AML other m 2014-08-23T23:58:02.37
IV.MPAZ.HHN. ML:1.8 0.000024599999999999998 1 AML other m 2014-08-23T23:58:00.95
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
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