Earthquake with magnitude of ML 1.1 on date 09-02-2018 and time 02:11:56 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 1.1 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 09-02-2018 02:11:56 (UTC)
  • 09-02-2018 03:11:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.6, 15.6 at 4 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
45 Km N of Messina (238439 inhabitants)
55 Km N of Reggio di Calabria (183035 inhabitants)
75 Km SW of Lamezia Terme (70714 inhabitants)
93 Km W of Catanzaro (90612 inhabitants)
96 Km SW of Cosenza (67546 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
Rev 1000 ML 1.1 2018-02-09
02:11:56
38.6 15.6 4 2019-04-24
14:49:45
Bollettino Sismico Italiano INGV 65024051
Rev 100 ML 1.1 2018-02-09
02:11:57
38.62 15.64 10 2018-02-09
02:35:26
Sala Sismica INGV-Roma 53776361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-02-09 02:11:56 ± 0.11
Latitude 38.60 ± 0.01
Longitude 15.60 ± 0.01
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 65024051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 617
Semi-minor axis of confidence ellipse (meter) 153
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 174
Circular confidence region, given by single value of horizontal uncertainty (meter) 620
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 144
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) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.22393
Epicentral distance of station farthest from the epicenter (degree) 0.67359
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations 3
Type of magnitude ML
Reference to an origin 65024051
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-01-28 13:26:12

ML:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations 3
Type of magnitude ML
Reference to an origin 53776361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-02-09 02:35:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SOI.EHE. 2018-02-09T02:12:19.45 0.6 undecidable manual S 146 0.6376 50 -0.17 46
MN.CEL.HHZ. 2018-02-09T02:12:12.36 0.6 undecidable manual S 146 0.4119 95 -0.34 47
IV.PLAC.HHE. 2018-02-09T02:12:10.42 0.3 undecidable manual P 103 0.6736 50 -0.17 69
IV.MSRU.HHZ. 2018-02-09T02:12:10.05 0.6 undecidable manual S 192 0.3444 96 -0.07 50
IV.SOI.EHE. 2018-02-09T02:12:10.18 0.3 undecidable manual P 146 0.6376 50 0.22 69
IV.IVPL.HHZ. 2018-02-09T02:12:08.50 0.3 undecidable manual P 245 0.5333 50 0.31 69
IV.MPNC.HHZ. 2018-02-09T02:12:07.35 0.3 undecidable manual P 203 0.4937 50 -0.16 72
IV.JOPP.HHZ. 2018-02-09T02:12:05.53 0.6 undecidable manual S 89 0.2239 100 0 52
MN.CEL.HHZ. 2018-02-09T02:12:05.93 0.3 undecidable manual P 146 0.4119 95 -0.03 75
IV.IST3.HHZ. 2018-02-09T02:12:04.23 0.3 undecidable manual P 305 0.3489 96 -0.34 71
IV.MSRU.HHZ. 2018-02-09T02:12:04.68 0.1 undecidable manual P 192 0.3444 96 0.21 97
IV.JOPP.HHZ. 2018-02-09T02:12:02.02 0.1 undecidable manual P 89 0.2239 100 0.2 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.JOPP.HHE. ML:0 2.0681328E-5 0.2192 AML other m 2018-02-09T02:12:06.28
IV.MSRU.HHN. ML:1.2 5.8355865E-5 0.32 AML other m 2018-02-09T02:12:10.26
IV.MSRU.HHE. ML:1.2 6.2970375E-5 0.12 AML other m 2018-02-09T02:12:12.22
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download