Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 27-02-2018 and time 21:14:47 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 2.2 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 27-02-2018 20:14:47 (UTC)
  • 27-02-2018 21:14:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.4760, 15.4800 at 132 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
32 Km N of Messina (238439 inhabitants)
43 Km NW of Reggio di Calabria (183035 inhabitants)
92 Km SW of Lamezia Terme (70714 inhabitants)
100 Km N of Acireale (52622 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 2.2 2018-02-27
20:14:47		 38.4755 15.4795 132 2019-04-24
14:49:33		 Bollettino Sismico Italiano INGV 56914501
Reviewed
Rev100 		ML 2.3 2018-02-27
20:14:47		 38.4962 15.4875 131 2018-02-27
20:26:20		 Sala Sismica INGV-Roma 54204831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-02-27 20:14:47 ± 0.24
Latitude 38.4755 ± 0.0099
Longitude 15.4795 ± 0.0149
Depth (km) 132 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 56914501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1133
Semi-minor axis of confidence ellipse (meter) 959
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 277
Circular confidence region, given by single value of horizontal uncertainty (meter) 1130.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.66195
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 56914501
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-05-16 07:33:02

ML:2.3

Field Value
Value 2.3
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 54204831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-02-27 20:26:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
BA.PZUN.HHZ. 2018-02-27T20:15:57.98 3.0 undecidable manual Sg 4.87 0
IV.GRIS.HNE. 2018-02-27T20:15:33.63 0.1 undecidable manual S 13 143.9448 129 0.3 76
IV.SERS.HHZ. 2018-02-27T20:15:30.20 0.1 undecidable manual S 59 121.6893 134 0.48 77
IV.CET2.HHZ. 2018-02-27T20:15:29.70 0.1 undecidable manual S 19 123.7872 133 -0.35 79
IV.NOCI.HHZ. 2018-02-27T20:15:27.31 3.0 negative manual Pn -0.76 0
IV.CAR1.HHZ. 2018-02-27T20:15:27.15 0.1 undecidable manual S 36 107.0151 138 -0.37 81
IV.PLAC.HHZ. 2018-02-27T20:15:24.39 0.1 undecidable manual S 92 83.3499 145 0.05 91
IV.SOI.EHZ. 2018-02-27T20:15:22.15 0.1 undecidable manual S 132 67.0773 151 -0.33 88
IV.MTTG.HHZ. 2018-02-27T20:15:21.92 0.1 undecidable manual S 160 55.7997 155 0.54 86
IV.MILZ.HHN. 2018-02-27T20:15:19.99 0.1 undecidable manual S 224 31.2465 166 0.39 93
IV.MPNC.HHN. 2018-02-27T20:15:19.37 0.1 undecidable manual S 197 38.1285 163 -0.64 86
IV.MGR.HHZ. 2018-02-27T20:15:18.60 0.1 positive manual P 2 184.4709 122 0.48 61
IV.PIPA.HHZ. 2018-02-27T20:15:15.74 0.1 undecidable manual P 45 160.7169 126 0.09 75
IV.TDS.HHZ. 2018-02-27T20:15:14.41 0.1 undecidable manual P 29 150.738 127 -0.25 75
IV.GRIS.HNE. 2018-02-27T20:15:13.94 0.1 negative manual P 13 143.9448 129 -0.06 80
IV.CET2.HHZ. 2018-02-27T20:15:12.04 0.1 negative manual P 19 123.7872 133 -0.06 84
IV.SERS.HHZ. 2018-02-27T20:15:12.00 0.1 negative manual P 59 121.6893 134 0.09 84
IV.SPS2.HHZ. 2018-02-27T20:15:11.37 0.1 positive manual P 39 116.994 135 -0.13 83
IV.CAR1.HHZ. 2018-02-27T20:15:10.27 0.1 negative manual P 36 107.0151 138 -0.37 81
IV.PLAC.HHZ. 2018-02-27T20:15:08.76 0.1 negative manual P 92 83.3499 145 -0.05 91
IV.MTTG.HHZ. 2018-02-27T20:15:07.34 0.1 negative manual P 160 55.7997 155 0.25 92
IV.SOI.EHZ. 2018-02-27T20:15:07.57 0.1 negative manual P 132 67.0773 151 -0.16 91
IV.MPNC.HHN. 2018-02-27T20:15:06.22 0.1 undecidable manual P 197 38.1285 163 -0.08 98
IV.IVPL.HHZ. 2018-02-27T20:15:06.81 0.1 negative manual P 256 44.8218 160 0.24 94
IV.MILZ.HHN. 2018-02-27T20:15:06.12 0.1 undecidable manual P 224 31.2465 166 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.JOPP.HHN. ML:2.4 0.0001397846 0.1792 AML other m 2018-02-27T20:15:20.94
IV.JOPP.HHE. ML:2.2 0.00010742598000000001 0.1664 AML other m 2018-02-27T20:15:20.40
IV.SOI.EHN. ML:2.1 0.00005759447 0.256 AML other m 2018-02-27T20:15:23.62
IV.SOI.EHE. ML:2.1 0.00006796984 0.2816 AML other m 2018-02-27T20:15:23.80
IV.CAR1.HHE. ML:2.2 0.00006253894 0.5632 AML other m 2018-02-27T20:15:13.75
IV.CAR1.HNE. ML:2.7 0.00019148119999999998 1.1008 AML other m 2018-02-27T20:15:16.12
IV.SERS.HNE. ML:2.1 0.000046988085 1.1392 AML other m 2018-02-27T20:15:23.01
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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