Earthquake with magnitude of ML 2.0 on date 23-04-2015 and time 02:24:09 (UTC) in region Mar Ionio Meridionale (MARE)

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

  • 23-04-2015 02:24:09 (UTC)
  • 23-04-2015 04:24:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.4910, 16.1640 at 31 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
83 Km SE of Reggio di Calabria (183035 inhabitants)
89 Km E of Acireale (52622 inhabitants)
91 Km NE of Siracusa (122291 inhabitants)
95 Km SE of Messina (238439 inhabitants)
95 Km E of Catania (314555 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 2015-04-23
02:24:09
37.4912 16.1637 31 2015-10-19
09:28:02
Bollettino Sismico Italiano INGV 21703051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-04-23 02:24:09 ± 0.19
Latitude 37.4912 ± 0.0090
Longitude 16.1637 ± 0.0136
Depth (km) 31 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 21703051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1268
Semi-minor axis of confidence ellipse (meter) 803
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 315
Circular confidence region, given by single value of horizontal uncertainty (meter) 1270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 237
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.47754
Epicentral distance of station farthest from the epicenter (degree) 1.28513
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 21703051
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-10-05 07:26:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHZ. 2015-04-23T02:24:47.25 0.6 undecidable manual S 229 132.1677 54 0.76 36
IV.HLNI.HHZ. 2015-04-23T02:24:42.20 0.6 undecidable manual S 262 114.8961 54 -0.57 41
IV.HAVL.HHZ. 2015-04-23T02:24:41.47 0.6 undecidable manual S 238 109.3128 54 -0.09 46
IV.SSY.HHZ. 2015-04-23T02:24:39.84 0.6 undecidable manual S 249 103.0191 54 -0.37 44
IV.HAGA.HHZ. 2015-04-23T02:24:37.13 0.6 undecidable manual S 256 91.8414 104 -0.25 46
IV.AGST.EHZ. 2015-04-23T02:24:36.00 0.6 undecidable manual S 253 86.5467 105 -0.03 48
IV.MTTG.HHZ. 2015-04-23T02:24:32.30 0.6 undecidable manual S 325 69.8745 109 0.54 44
IV.IVPL.HHZ. 2015-04-23T02:24:32.24 0.3 undecidable manual P 314 142.6461 54 -0.03 65
IV.HPAC.HHZ. 2015-04-23T02:24:31.43 0.1 positive manual P 229 132.1677 54 0.47 80
IV.SOI.EHZ. 2015-04-23T02:24:29.91 0.6 undecidable manual S 352 65.2902 111 -0.7 43
IV.HAVL.HHZ. 2015-04-23T02:24:28.07 0.1 undecidable manual P 238 109.3128 54 -0.04 93
IV.HLNI.HHZ. 2015-04-23T02:24:28.57 0.1 positive manual P 262 114.8961 54 -0.23 88
IV.MSRU.HHZ. 2015-04-23T02:24:27.52 0.1 undecidable manual P 326 103.119 54 0.18 90
IV.SSY.HHZ. 2015-04-23T02:24:27.06 0.1 undecidable manual P 249 103.0191 54 -0.27 90
IV.MPNC.HHZ. 2015-04-23T02:24:27.43 0.3 undecidable manual P 316 101.6205 54 0.27 67
IV.HAGA.HHZ. 2015-04-23T02:24:25.66 0.1 positive manual P 256 91.8414 104 -0.03 96
IV.AGST.EHZ. 2015-04-23T02:24:24.94 0.1 undecidable manual P 253 86.5467 105 0.03 97
IV.GMB.BHZ. 2015-04-23T02:24:23.78 0.3 undecidable manual P 339 80.5638 107 -0.25 71
IV.MTTG.HHZ. 2015-04-23T02:24:22.90 0.1 negative manual P 325 69.8745 109 0.45 91
IV.SOI.EHZ. 2015-04-23T02:24:21.54 0.1 undecidable manual P 352 65.2902 111 -0.25 97
IV.MPAZ.HHZ. 2015-04-23T02:24:20.24 0.1 negative manual P 345 53.0025 116 0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AGST.EHE. ML:1.8 0.00008250000000000001 1.44 AML other m 2015-04-23T02:24:36.88
IV.AGST.EHN. ML:1.9 0.00009682500000000001 0.98 AML other m 2015-04-23T02:24:37.76
IV.GMB.BHE. ML:2.1 0.000162 0.44 AML other m 2015-04-23T02:24:36.72
IV.GMB.BHN. ML:2.0 0.0001075 0.2 AML other m 2015-04-23T02:24:37.90
IV.HAGA.HHE. ML:2.0 0.00010875 0.12 AML other m 2015-04-23T02:24:37.93
IV.HAGA.HHN. ML:2.0 0.0000995 0.42 AML other m 2015-04-23T02:24:37.95
IV.HAVL.HHN. ML:2.0 0.00007435 1.58 AML other m 2015-04-23T02:24:42.20
IV.HAVL.HHE. ML:1.9 0.00006425 1.26 AML other m 2015-04-23T02:24:41.83
IV.HLNI.HHE. ML:2.1 0.0000935 0.4 AML other m 2015-04-23T02:24:42.89
IV.HLNI.HHN. ML:1.9 0.00006254999999999999 0.3 AML other m 2015-04-23T02:24:43.42
IV.MMN.HHE. ML:2.1 0.000020749999999999996 1.28 AML other m 2015-04-23T02:25:36.62
IV.MMN.HHN. ML:2.4 0.00004185 1.38 AML other m 2015-04-23T02:25:38.89
IV.MPAZ.HHE. ML:1.2 0.0000283 1.3 AML other m 2015-04-23T02:24:22.07
IV.MPAZ.HHN. ML:1.4 0.00004455 0.8 AML other m 2015-04-23T02:24:28.88
IV.SSY.HHN. ML:2.1 0.00011399999999999999 1.08 AML other m 2015-04-23T02:24:43.19
IV.SSY.HHE. ML:1.7 0.00004295 1.52 AML other m 2015-04-23T02:24:42.32
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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