Earthquake with magnitude of ML 1.2 on date 22-05-2018 and time 15:09:29 (Italy) in region Confine Italia Francia (FRANCIA)

A magnitude ML 1.2 earthquake occured in region: Confine Italia Francia (FRANCIA), on

  • 22-05-2018 13:09:29 (UTC)
  • 22-05-2018 15:09:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1550, 7.0150 at 9 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
50 Km SW of Cuneo (56081 inhabitants)
72 Km NW of Sanremo (54807 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
Reviewed
Rev100
ML 1.2 2018-05-22
13:09:29
44.1548 7.0148 9 2018-05-22
13:26:04
Sala Sismica INGV-Roma 57126441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-05-22 13:09:29 ± 0.16
Latitude 44.1548 ± 0.0054
Longitude 7.0148 ± 0.0088
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 57126441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 740
Semi-minor axis of confidence ellipse (meter) 321
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 56
Circular confidence region, given by single value of horizontal uncertainty (meter) 740.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 212
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.92810
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 57126441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-05-22 13:26:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NDIM.HNZ. 2018-05-22T13:10:24.67 3.0 negative manual Pg 6.64 0
CH.MUGIO.HHZ. 2018-05-22T13:10:13.30 3.0 undecidable manual Pg 3.97 0
GU.CANO.HHZ. 2018-05-22T13:09:58.30 1.0 undecidable manual S 86 97.4247 50 0.36 29
GU.RRL.HHZ. 2018-05-22T13:09:55.50 0.6 undecidable manual S 348 86.8464 50 0.39 60
GU.BHB.HHZ. 2018-05-22T13:09:52.70 0.6 undecidable manual S 15 77.9664 50 -0.06 65
GU.CANO.HHZ. 2018-05-22T13:09:46.21 1.0 undecidable manual P 86 97.4247 50 0.49 29
MN.BNI.HHE. 2018-05-22T13:09:46.87 1.0 undecidable manual P 345 103.0191 50 0.28 30
FR.SAOF.HHZ.00 2018-05-22T13:09:44.00 1.0 undecidable manual S 113 46.8198 50 -0.43 32
GU.RRL.HHZ. 2018-05-22T13:09:43.93 0.6 undecidable manual P 348 86.8464 50 -0.16 63
GU.RORO.HHN. 2018-05-22T13:09:43.89 1.0 undecidable manual P 93 83.8494 50 0.26 31
GU.PZZ.HHZ. 2018-05-22T13:09:42.40 0.6 undecidable manual S 12 39.8268 50 -0.18 68
IV.IMI.HHZ. 2018-05-22T13:09:42.35 1.0 undecidable manual P 111 75.0693 50 0.06 33
GU.BHB.HHZ. 2018-05-22T13:09:42.82 0.3 undecidable manual P 15 77.9664 50 0.09 97
GU.ENR.HHE. 2018-05-22T13:09:40.80 0.6 undecidable manual S 76 33.2445 50 0 71
GU.MGRO.HNZ. 2018-05-22T13:09:40.71 1.0 undecidable manual P 101 64.3911 50 0.07 33
GU.BURY.HHN. 2018-05-22T13:09:39.97 1.0 undecidable manual P 133 59.7957 50 0.04 34
GU.STV.HHZ. 2018-05-22T13:09:38.90 0.6 undecidable manual S 68 26.751 109 0.07 71
FR.SAOF.HHZ.00 2018-05-22T13:09:37.92 0.6 negative manual P 113 46.8198 50 0 70
GU.PZZ.HHZ. 2018-05-22T13:09:36.57 0.3 negative manual P 12 39.8268 50 -0.29 100
GU.ENR.HHE. 2018-05-22T13:09:35.68 0.6 undecidable manual P 76 33.2445 50 -0.15 69
GU.STV.HHZ. 2018-05-22T13:09:34.63 0.6 positive manual P 68 26.751 109 -0.06 71
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.STV.HHE. ML:0.0 0.0000453509 0.1984 AML other m 2018-05-22T13:09:39.16
GU.STV.HHN. ML:0.0 0.00007952666 0.2624 AML other m 2018-05-22T13:09:39.21
GU.PZZ.HHE. ML:0.0 0.00014458560000000001 0.1984 AML other m 2018-05-22T13:09:42.86
GU.PZZ.HHN. ML:0.0 0.000098919715 0.1792 AML other m 2018-05-22T13:09:43.13
FR.SAOF.HHE.00 ML:0.0 0.00001902023 0.2816 AML other m 2018-05-22T13:09:44.16
FR.SAOF.HHN.00 ML:0.0 0.000028016125 0.3392 AML other m 2018-05-22T13:09:44.75
GU.BHB.HHN. ML:0.0 0.000036827155 0.1984 AML other m 2018-05-22T13:09:53.39
GU.BHB.HHE. ML:0.0 0.00002968494 0.1792 AML other m 2018-05-22T13:09:53.25
GU.RRL.HHE. ML:1.2 0.000019175980000000003 0.2432 AML other m 2018-05-22T13:09:56.13
GU.RRL.HHN. ML:1.1 0.000014356685000000002 2.1824 AML other m 2018-05-22T13:09:56.33
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