Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 28-06-2017 and time 03:35:29 (UTC) in region Mar Ionio Settentrionale (MARE)

A magnitude ML 1.6 earthquake occured in region: Mar Ionio Settentrionale (MARE), on

  • 28-06-2017 03:35:29 (UTC)
  • 28-06-2017 05:35:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9830, 16.6750 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
91 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 1.6 2017-06-28
03:35:29		 37.9833 16.675 38 2018-07-06
11:13:34		 Bollettino Sismico Italiano INGV 51243661
Reviewed
Rev100 		ML 1.7 2017-06-28
03:35:28		 38.0003 16.7062 38 2017-06-28
03:43:39		 Sala Sismica INGV-Roma 47247221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-06-28 03:35:29 ± 0.49
Latitude 37.9833 ± 0.0180
Longitude 16.6750 ± 0.0411
Depth (km) 38 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 51243661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3800
Semi-minor axis of confidence ellipse (meter) 1680
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 288
Circular confidence region, given by single value of horizontal uncertainty (meter) 3800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 262
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.49643
Epicentral distance of station farthest from the epicenter (degree) 1.56122
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 51243661
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-03-22 10:55:12

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 47247221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-06-28 03:43:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HLNI.HHZ. 2017-06-28T03:36:12.91 0.6 undecidable manual S 247 173.2932 54 -0.72 31
IV.HAGA.HHZ. 2017-06-28T03:36:08.27 0.6 undecidable manual S 240 154.3344 54 -1.29 26
IV.JOPP.HHZ. 2017-06-28T03:35:57.27 0.6 undecidable manual S 315 97.5246 54 -0.03 47
IV.HLNI.HHZ. 2017-06-28T03:35:54.68 0.1 undecidable manual P 247 173.2932 54 -0.1 74
IV.HAGA.HHZ. 2017-06-28T03:35:52.80 0.3 undecidable manual P 240 154.3344 54 0.37 58
IV.SOI.EHE. 2017-06-28T03:35:48.58 0.6 undecidable manual S 281 55.1004 54 0.41 47
IV.PLAC.HHZ. 2017-06-28T03:35:47.80 0.6 undecidable manual S 338 55.6998 54 -0.48 46
IV.JOPP.HHZ. 2017-06-28T03:35:44.98 0.3 undecidable manual P 315 97.5246 54 -0.37 66
IV.MSCL.HHZ. 2017-06-28T03:35:43.78 0.1 undecidable manual P 290 82.0512 54 0.35 91
MN.CEL.HNE. 2017-06-28T03:35:42.72 0.3 undecidable manual P 295 74.7696 54 0.2 71
IV.SOI.EHE. 2017-06-28T03:35:40.63 0.3 undecidable manual P 281 55.1004 54 0.55 68
IV.PLAC.HHZ. 2017-06-28T03:35:40.02 0.1 undecidable manual P 338 55.6998 54 -0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MSCL.HHN. ML:1.6 0.00004589760499999999 0.1008 AML other m 2017-06-28T03:35:47.33
IV.PLAC.HNN. ML:1.6 0.000066307685 0.2192 AML other m 2017-06-28T03:35:48.08
IV.PLAC.HHE. ML:1.6 0.000066985935 0.2192 AML other m 2017-06-28T03:35:48.08
IV.PLAC.HHN. ML:1.5 0.00005562736999999999 0.4608 AML other m 2017-06-28T03:35:51.24
IV.PLAC.HNE. ML:1.6 0.0000632747 0.48 AML other m 2017-06-28T03:35:51.25
IV.MSCL.HHE. ML:1.6 0.00004749873 0.16 AML other m 2017-06-28T03:35:54.99
IV.JOPP.HHN. ML:1.0 0.000011587582500000001 0.32 AML other m 2017-06-28T03:35:58.99
IV.JOPP.HHE. ML:1.0 0.0000124078605 0.1984 AML other m 2017-06-28T03:36:00.98
IV.HLNI.HHN. ML:1.9 0.00002800494 0.1392 AML other m 2017-06-28T03:36:14.12
IV.HLNI.HHE. ML:1.8 0.000025480290000000003 0.12 AML other m 2017-06-28T03:36:15.15
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