Earthquake (explosion) with magnitude of ML 2.1 on date 24-01-2018 and time 15:10:35 (Italy) in region Costa Francese (FRANCIA)

A magnitude ML 2.1 (explosion) earthquake occured in region: Costa Francese (FRANCIA), on

  • 24-01-2018 14:10:35 (UTC)
  • 24-01-2018 15:10:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.96, 6.54 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: explosion.

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

No Italian municipalities within 100 km from the epicenter with at least 50000 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 2.1 2018-01-24
14:10:35
42.96 6.54 0 2019-04-24
14:49:45
Bollettino Sismico Italiano INGV 65033771
Rev 100 ML 1.9 2018-01-24
14:10:46
43.48 6.98 10 2018-01-24
14:16:31
Sala Sismica INGV-Roma 53405351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-01-24 14:10:35 ± 0.94
Latitude 42.96 ± 0.03
Longitude 6.54 ± 0.09
Depth (km) 0 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type explosion
Origin ID 65033771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 7660
Semi-minor axis of confidence ellipse (meter) 2480
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 250
Circular confidence region, given by single value of horizontal uncertainty (meter) 7660
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 273
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 1.10527
Epicentral distance of station farthest from the epicenter (degree) 1.88858
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 65033771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-01-29 00:14:55

ML:1.9

Field Value
Value 1.9
Uncertainty 0.5
Num. used stations 12
Type of magnitude ML
Reference to an origin 53405351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-01-24 14:16:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.QLNO.HHZ. 2018-01-24T14:11:10.44 1.0 undecidable manual P 43 1.8886 38 0.63 16
RD.PGF.BHZ. 2018-01-24T14:11:09.30 0.1 undecidable manual P 102 1.8463 38 0.07 77
GU.CANO.HHE. 2018-01-24T14:11:07.55 0.3 undecidable manual P 44 1.751 38 -0.35 58
GU.PZZ.HHZ. 2018-01-24T14:11:05.44 0.3 undecidable manual P 15 1.6035 50 -0.19 65
GU.GBOS.HHZ. 2018-01-24T14:11:05.42 0.3 undecidable manual P 36 1.59 50 0.02 68
GU.RORO.HHZ. 2018-01-24T14:11:04.86 0.1 undecidable manual P 43 1.5963 50 -0.66 77
GU.ENR.HHZ. 2018-01-24T14:11:02.56 0.3 undecidable manual P 26 1.4191 50 0.08 74
GU.STV.HHZ. 2018-01-24T14:11:02.28 0.3 undecidable manual P 23 1.4074 50 0.01 76
IV.IMI.HHN. 2018-01-24T14:11:01.43 0.1 undecidable manual P 45 1.3661 50 -0.15 100
FR.SAOF.HHZ. 2018-01-24T14:11:00.39 0.3 undecidable manual P 35 1.2626 50 0.59 69
GU.BURY.HHZ. 2018-01-24T14:10:57.60 0.3 undecidable manual P 41 1.1053 50 0.49 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.ENR.HHN. ML:2.3 9.175E-5 0.78 AML other m 2018-01-24T14:11:04.52
GU.BURY.HHN. ML:2.4 0.000165 0.4 AML other m 2018-01-24T14:11:15.96
GU.BURY.HHE. ML:2.1 9.295E-5 1.58 AML other m 2018-01-24T14:11:16.88
FR.SAOF.HHN.00 ML:1.9 4.715E-5 0.72 AML other m 2018-01-24T14:11:21.65
FR.SAOF.HHE.00 ML:2 5.55E-5 0.74 AML other m 2018-01-24T14:11:21.70
GU.ENR.HHE. ML:2.1 5.53E-5 0.62 AML other m 2018-01-24T14:11:24.67
GU.PZZ.HHN. ML:2.1 5.235E-5 0.74 AML other m 2018-01-24T14:11:28.50
GU.PZZ.HHE. ML:2.2 6.18E-5 0.44 AML other m 2018-01-24T14:11:32.51
CH.DAVOX.HHE. ML:2.8 1.807E-5 0.56 AML other m 2018-01-24T14:12:11.71
TV.SF01.EHE. ML:3.7 0.0002795 0.06 AML other m 2018-01-24T14:12:41.25
TV.SF01.EHN. ML:3.7 0.0002985 0.4 AML other m 2018-01-24T14:12:41.37
CH.DAVOX.HHN. ML:2.9 2.325E-5 0.42 AML other m 2018-01-24T14:12:43.91
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