Earthquake with magnitude of ML 2.1 on date 17-05-2018 and time 06:31:56 (Italy) in region Isole Eolie (Messina)

A magnitude ML 2.1 earthquake occured in region: Isole Eolie (Messina), on

  • 17-05-2018 04:31:56 (UTC)
  • 17-05-2018 06:31:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.5170, 15.2620 at 170 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
44 Km NW of Messina (238439 inhabitants)
56 Km NW 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 2.1 2018-05-17
04:31:56
38.5173 15.2618 170 2019-04-24
14:50:42
Bollettino Sismico Italiano INGV 57133521
Reviewed
Rev100
ML 2.0 2018-05-17
04:31:56
38.5395 15.2343 169 2018-05-17
04:42:01
Sala Sismica INGV-Roma 56940281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-05-17 04:31:56 ± 0.38
Latitude 38.5173 ± 0.0324
Longitude 15.2618 ± 0.0402
Depth (km) 170 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 57133521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4093
Semi-minor axis of confidence ellipse (meter) 2587
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 140
Circular confidence region, given by single value of horizontal uncertainty (meter) 4090.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 202
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 18
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.22667
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 56940281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-05-17 04:42:01

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 57133521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-05-22 16:29:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2018-05-17T04:33:39.88 3.0 undecidable manual Pg 11.31 0
IV.APRC.HHZ. 2018-05-17T04:33:30.12 3.0 undecidable manual Sn -7.24 0
IV.ACER.HHZ. 2018-05-17T04:33:14.55 3.0 undecidable manual Sn 0.45 0
IV.SERS.HHZ. 2018-05-17T04:32:47.00 0.6 undecidable manual S 65 136.1637 139 0.63 39
IV.NOCI.HHZ. 2018-05-17T04:32:47.79 3.0 undecidable manual Pn 1.26 0
IV.PLAC.HHZ. 2018-05-17T04:32:41.66 0.3 undecidable manual S 94 102.4197 147 -0.33 67
IV.ERC.EHZ. 2018-05-17T04:32:40.91 3.0 negative manual Pn -7.04 0
IV.SOI.EHZ. 2018-05-17T04:32:40.23 0.3 undecidable manual S 125 84.7485 152 0.18 73
IV.NOV.HHZ. 2018-05-17T04:32:39.29 3.0 undecidable manual Sg 0.61 0
IV.AIO.HHE. 2018-05-17T04:32:39.64 1.0 undecidable manual S 182 60.5949 159 1.75 12
IV.GMB.BHN. 2018-05-17T04:32:38.58 3.0 undecidable manual S 0.45 0
IV.JOPP.HHZ. 2018-05-17T04:32:37.12 0.3 undecidable manual S 79 55.0005 161 -0.35 73
IV.MPNC.HHE. 2018-05-17T04:32:37.08 0.3 undecidable manual S 169 41.9247 165 0.43 74
MN.CEL.HHZ. 2018-05-17T04:32:37.92 0.3 undecidable manual S 117 61.8936 159 -0.07 77
IV.HPAC.HHZ. 2018-05-17T04:32:36.04 3.0 positive manual Pn -1.08 0
IV.MILZ.HHE. 2018-05-17T04:32:35.73 0.3 undecidable manual S 186 27.4503 170 -0.26 79
IV.TDS.HHZ. 2018-05-17T04:32:30.45 3.0 undecidable manual P 0
IV.SERS.HHZ. 2018-05-17T04:32:25.43 0.3 undecidable manual P 65 136.1637 139 0.27 64
IV.CET2.HHN. 2018-05-17T04:32:24.34 0.6 undecidable manual P 28 127.0728 141 -0.09 45
IV.CAR1.HHE. 2018-05-17T04:32:24.00 0.3 undecidable manual P 45 115.6953 144 0.44 64
IV.PLAC.HHZ. 2018-05-17T04:32:22.47 0.1 positive manual P 94 102.4197 147 -0.15 94
IV.SOI.EHZ. 2018-05-17T04:32:21.49 0.1 undecidable manual P 125 84.7485 152 -0.01 100
MN.CEL.HHZ. 2018-05-17T04:32:20.80 0.3 undecidable manual P 117 61.8936 159 0.49 71
IV.GMB.BHN. 2018-05-17T04:32:20.77 3.0 undecidable manual P 0.38 0
IV.MPNC.HHE. 2018-05-17T04:32:19.03 0.3 undecidable manual P 169 41.9247 165 -0.51 73
IV.AIO.HHE. 2018-05-17T04:32:19.98 0.6 undecidable manual P 182 60.5949 159 -0.28 50
IV.MILZ.HHE. 2018-05-17T04:32:19.47 0.3 undecidable manual P 186 27.4503 170 0.31 78
IV.JOPP.HHZ. 2018-05-17T04:32:19.52 0.1 undecidable manual P 79 55.0005 161 -0.5 96
IV.IVPL.HHZ. 2018-05-17T04:32:18.50 3.0 undecidable manual P -0.56 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.JOPP.HHN. ML:1.8 0.000025258335 0.2208 AML other m 2018-05-17T04:32:39.89
IV.JOPP.HHE. ML:1.6 0.000013140502499999999 0.2176 AML other m 2018-05-17T04:32:39.47
MN.CEL.HNN. ML:2.2 0.000058547139999999997 0.2592 AML other m 2018-05-17T04:32:44.39
MN.CEL.HHE. ML:2.3 0.00008122043500000001 0.2176 AML other m 2018-05-17T04:32:44.86
MN.CEL.HHN. ML:2.2 0.000061054945 0.2208 AML other m 2018-05-17T04:32:44.71
MN.CEL.HNE. ML:2.2 0.00006728852 0.2592 AML other m 2018-05-17T04:32:48.49
IV.SOI.EHE. ML:1.9 0.000022940429999999997 0.4992 AML other m 2018-05-17T04:32:40.68
IV.SOI.EHN. ML:1.9 0.00002476295 0.5792 AML other m 2018-05-17T04:32:40.45
IV.PLAC.HHE. ML:2.1 0.000032900305 0.2816 AML other m 2018-05-17T04:32:41.91
IV.PLAC.HHN. ML:2.1 0.00003648819000000001 0.2784 AML other m 2018-05-17T04:32:42.88
IV.SERS.HHN. ML:1.8 0.000014304540000000001 0.2976 AML other m 2018-05-17T04:32:48.80
IV.SERS.HHE. ML:1.6 0.000011078134999999999 0.3008 AML other m 2018-05-17T04:32:48.83
IV.NOCI.HHN. ML:2.7 0.00004329309500000001 0.0992 AML other m 2018-05-17T04:32:51.50
IV.NOCI.HHE. ML:2.4 0.000025937055 0.0992 AML other m 2018-05-17T04:32:52.18
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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