Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 21-03-2016 and time 04:14:21 (UTC) in region Mar Ionio Settentrionale (MARE)

A magnitude ML 2.3 earthquake occured in region: Mar Ionio Settentrionale (MARE), on

  • 21-03-2016 04:14:21 (UTC)
  • 21-03-2016 05:14:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7490, 16.6520 at 38 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
97 Km E of Reggio di Calabria (183035 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 2.3 2016-03-21
04:14:21		 37.7493 16.6515 38 2016-05-17
13:17:57		 Bollettino Sismico Italiano INGV 23941591
Reviewed
Rev100 		ML 2.3 2016-03-21
04:14:21		 37.7683 16.6715 38 2016-03-21
04:31:27		 Sala Sismica INGV-Roma 23932061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-03-21 04:14:21 ± 0.11
Latitude 37.7493 ± 0.0045
Longitude 16.6515 ± 0.0034
Depth (km) 38 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 23941591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 510
Semi-minor axis of confidence ellipse (meter) 189
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 151
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 200
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 5.18099
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 23941591
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-03-22 09:19:25

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 23932061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-03-21 04:31:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PE3.EHZ. 2016-03-21T04:16:05.35 3.0 undecidable manual Pn 6.42 0
CR.STON.BHZ. 2016-03-21T04:15:35.26 0.6 undecidable manual P 9 575.091 90 -2.25 3
IV.HPAC.HHZ. 2016-03-21T04:15:09.18 0.1 undecidable manual S 231 183.483 90 0.63 61
IV.AMUR.HHZ. 2016-03-21T04:15:08.67 0.1 undecidable manual P 359 350.2827 90 -0.87 21
IV.NOCI.HHZ. 2016-03-21T04:15:07.05 0.1 undecidable manual P 6 339.0051 90 -1.08 20
IV.LTRZ.EHZ. 2016-03-21T04:15:04.47 0.1 undecidable manual P 3 316.9383 90 -0.91 22
IV.HAVL.HHZ. 2016-03-21T04:15:03.25 0.1 undecidable manual S 237 160.8168 90 -0.41 75
IV.HLNI.HHZ. 2016-03-21T04:15:03.19 0.1 undecidable manual S 255 162.7149 90 -0.88 63
IV.SCTE.HHZ. 2016-03-21T04:15:02.34 0.1 undecidable manual P 31 301.6758 90 -1.14 20
IV.SSY.HHZ. 2016-03-21T04:15:01.49 0.1 undecidable manual S 245 153.6351 90 -0.63 73
IV.SERS.HHE. 2016-03-21T04:14:59.13 0.1 undecidable manual S 1 142.746 90 -0.64 76
IV.MILZ.HHZ. 2016-03-21T04:14:58.06 0.3 undecidable manual S 295 136.9629 90 -0.46 61
IV.MPNC.HHN. 2016-03-21T04:14:55.73 0.1 undecidable manual S 292 121.8891 90 0.47 80
IV.MSRU.HHE. 2016-03-21T04:14:54.86 0.1 undecidable manual S 300 115.0959 90 1.05 63
IV.PIPA.HHZ. 2016-03-21T04:14:50.14 0.6 undecidable manual P 4 193.0623 90 0.17 33
IV.HPAC.HHZ. 2016-03-21T04:14:49.38 0.1 undecidable manual P 231 183.483 90 0.61 62
IV.HMDC.HHZ. 2016-03-21T04:14:49.38 0.1 positive manual P 243 186.6687 90 0.22 68
IV.MTTG.HHZ. 2016-03-21T04:14:47.37 0.1 undecidable manual S 289 87.9453 91 -0.59 87
IV.CAR1.HHZ. 2016-03-21T04:14:47.22 0.1 undecidable manual P 347 171.1953 90 -0.02 77
IV.HAVL.HHZ. 2016-03-21T04:14:46.03 0.1 positive manual P 237 160.8168 90 0.08 80
IV.IVPL.HHZ. 2016-03-21T04:14:45.98 0.1 undecidable manual P 296 161.7159 90 -0.08 81
IV.PLAC.HHZ. 2016-03-21T04:14:45.64 0.1 undecidable manual S 347 79.8645 91 -0.57 89
IV.HLNI.HHZ. 2016-03-21T04:14:45.95 0.1 positive manual P 255 162.7149 90 -0.24 77
IV.SSY.HHZ. 2016-03-21T04:14:44.92 0.1 positive manual P 245 153.6351 90 -0.14 82
IV.SERS.HHE. 2016-03-21T04:14:43.53 0.3 undecidable manual P 1 142.746 90 -0.18 63
IV.MILZ.HHZ. 2016-03-21T04:14:43.13 0.1 undecidable manual P 295 136.9629 90 0.14 84
IV.HAGA.HHZ. 2016-03-21T04:14:43.34 0.1 positive manual P 249 141.3474 90 -0.2 84
IV.AGST.EHZ. 2016-03-21T04:14:42.74 0.1 positive manual P 247 136.7631 90 -0.22 85
IV.SOI.EHZ. 2016-03-21T04:14:42.18 0.1 undecidable manual S 305 63.3921 91 -0.49 93
IV.AIO.HHZ. 2016-03-21T04:14:42.62 0.6 undecidable manual P 282 126.6732 90 0.92 33
IV.MPNC.HHN. 2016-03-21T04:14:41.93 0.1 undecidable manual P 292 121.8891 90 0.82 70
IV.MSRU.HHE. 2016-03-21T04:14:40.70 0.1 undecidable manual P 300 115.0959 90 0.44 83
IV.MTTG.HHZ. 2016-03-21T04:14:37.44 0.1 undecidable manual P 289 87.9453 91 0.55 84
MN.CEL.HHE. 2016-03-21T04:14:36.89 0.1 undecidable manual P 311 87.1461 91 0.1 94
IV.PLAC.HHZ. 2016-03-21T04:14:35.61 0.1 undecidable manual P 347 79.8645 91 -0.27 95
IV.SOI.EHZ. 2016-03-21T04:14:33.87 0.1 undecidable manual P 305 63.3921 91 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AGST.EHE. ML:2.6 0.0002305 0.5 AML other m 2016-03-21T04:14:58.68
IV.AGST.EHN. ML:2.7 0.00030649999999999997 0.14 AML other m 2016-03-21T04:14:58.71
IV.AIO.HHN. ML:2.1 0.0000785 0.24 AML other m 2016-03-21T04:14:58.79
IV.AIO.HHE. ML:2.0 0.00006254999999999999 0.46 AML other m 2016-03-21T04:14:58.49
IV.AMUR.HHN. ML:2.6 0.0000318 0.84 AML other m 2016-03-21T04:15:43.35
IV.AMUR.HHE. ML:2.6 0.00003205 1.36 AML other m 2016-03-21T04:15:44.06
IV.CAR1.HHN. ML:2.0 0.0000394 1.48 AML other m 2016-03-21T04:15:06.61
IV.CAR1.HHE. ML:2.1 0.0000435 1.32 AML other m 2016-03-21T04:15:06.89
IV.HAGA.HHN. ML:2.5 0.000184 0.3 AML other m 2016-03-21T04:14:59.37
IV.HAGA.HHE. ML:2.7 0.00028649999999999997 0.3 AML other m 2016-03-21T04:14:59.47
IV.HAVL.HHE. ML:2.6 0.0001545 1.28 AML other m 2016-03-21T04:14:46.95
IV.HAVL.HHN. ML:2.7 0.000217 1.44 AML other m 2016-03-21T04:14:46.47
IV.HLNI.HHE. ML:2.4 0.0000961 0.16 AML other m 2016-03-21T04:15:04.02
IV.HLNI.HHN. ML:2.4 0.00009695000000000001 1.5 AML other m 2016-03-21T04:15:06.19
IV.IVPL.HHE. ML:2.7 0.0002035 0.9 AML other m 2016-03-21T04:15:04.59
IV.IVPL.HHN. ML:2.8 0.000264 1.34 AML other m 2016-03-21T04:15:11.60
IV.MILZ.HHE. ML:2.3 0.00010845000000000001 0.32 AML other m 2016-03-21T04:14:59.69
IV.MILZ.HHN. ML:2.2 0.00008885 1.1 AML other m 2016-03-21T04:15:02.05
IV.MTTG.HHN. ML:2.2 0.0001515 0.5 AML other m 2016-03-21T04:14:50.21
IV.MTTG.HHE. ML:2.0 0.00010035 0.76 AML other m 2016-03-21T04:14:52.63
IV.PIPA.HHE. ML:2.3 0.0000665 1.36 AML other m 2016-03-21T04:15:12.48
IV.PIPA.HHN. ML:2.1 0.00003585 1.18 AML other m 2016-03-21T04:15:13.74
IV.PLAC.HHE. ML:1.9 0.0000915 0.38 AML other m 2016-03-21T04:14:46.83
IV.PLAC.HHN. ML:2.0 0.00011135000000000001 0.52 AML other m 2016-03-21T04:14:48.45
IV.SOI.EHE. ML:1.6 0.000057999999999999994 0.34 AML other m 2016-03-21T04:14:43.39
IV.SOI.EHN. ML:1.7 0.00007549999999999999 0.74 AML other m 2016-03-21T04:14:43.44
IV.SSY.HHE. ML:2.3 0.0000983 1.28 AML other m 2016-03-21T04:15:06.80
IV.SSY.HHN. ML:2.7 0.000219 0.7 AML other m 2016-03-21T04:15:04.85
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