Earthquake with magnitude of ML 1.2 on date 28-06-2022 and time 17:27:50 (Italy) in region Confine Italia Francia (FRANCIA)

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

  • 28-06-2022 15:27:50 (UTC)
  • 28-06-2022 17:27:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0020, 7.4620 at 10 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Olivetta San Michele IM 14 211 211
Airole IM 16 407 618
Rocchetta Nervina IM 17 298 916
Pigna IM 18 859 1775
Castel Vittorio IM 19 287 2062
Isolabona IM 20 679 2741

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NW of Sanremo (54807 inhabitants)
44 Km S of Cuneo (56081 inhabitants)
88 Km W of Savona (61345 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 2022-06-28
15:27:50
44.0023 7.4618 10 2022-06-28
15:33:45
Sala Sismica INGV-Roma 106583151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-06-28 15:27:50 ± 0.35
Latitude 44.0023 ± 0.0153
Longitude 7.4618 ± 0.0225
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 106583151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2427
Semi-minor axis of confidence ellipse (meter) 633
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 227
Circular confidence region, given by single value of horizontal uncertainty (meter) 2430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 234
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
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) 0.06745
Epicentral distance of station farthest from the epicenter (degree) 0.36153
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 106583151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-06-28 15:33:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.ENR.HHZ. 2022-06-28T15:28:00.26 0.1 undecidable manual S 352 25.4523 111 0.01 98
GU.STV.HHZ. 2022-06-28T15:28:00.81 0.3 undecidable manual S 338 29.0487 50 -0.52 65
GU.MGRO.HHZ. 2022-06-28T15:28:00.92 0.1 undecidable manual S 81 27.9498 50 -0.14 95
GU.GBOS.HHZ. 2022-06-28T15:27:58.95 0.1 undecidable manual P 48 40.1265 50 0.35 89
GU.STV.HHZ. 2022-06-28T15:27:57.12 1.0 negative manual P 338 29.0487 50 0.23 23
GU.ENR.HHZ. 2022-06-28T15:27:56.68 0.6 undecidable manual P 352 25.4523 111 0.41 45
GU.MGRO.HHZ. 2022-06-28T15:27:56.84 0.1 undecidable manual P 81 27.9498 50 0.11 95
FR.SAOF.HHZ.00 2022-06-28T15:27:54.82 0.1 undecidable manual S 104 7.4814 142 -0.24 96
FR.SAOF.HHZ.00 2022-06-28T15:27:53.30 0.1 negative manual P 104 7.4814 142 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
FR.SAOF.HHE.00 ML:1.4 0.0003505 0.06 AML other m 2022-06-28T15:27:54.99
FR.SAOF.HHN.00 ML:1.2 0.00026700000000000004 1.66 AML other m 2022-06-28T15:27:54.98
GU.ENR.HHE. ML:1.0 0.00006025 0.4 AML other m 2022-06-28T15:28:00.14
GU.ENR.HHN. ML:1.0 0.0000658 0.32 AML other m 2022-06-28T15:28:00.29
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