Earthquake with magnitude of mb 4.9 on date 07-08-2020 and time 15:18:58 (Italy) in region Norway [Sea]

A magnitude mb 4.9 earthquake occured in region: Norway [Sea], on

  • 07-08-2020 13:18:58 (UTC)
  • 07-08-2020 15:18:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 78.61, 6.72 at 16 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

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
Reviewed
Rev100
mb 4.9
Mwp 4.8
2020-08-07
13:18:58
78.61 6.72 16 2020-08-07
17:15:11
Sala Sismica INGV-Roma 81743311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-07 13:18:58
Latitude 78.61
Longitude 6.72
Depth (km) 16 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 81743311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 13400
Semi-minor axis of confidence ellipse (meter) 3697
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 186
Circular confidence region, given by single value of horizontal uncertainty (meter) 10985.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112.334
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) 1.63455
Epicentral distance of station closest to the epicenter (degree) 1.06493
Epicentral distance of station farthest from the epicenter (degree) 16.01189
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Mwp:4.8

Field Value
Value 4.8
Uncertainty 0
Num. used stations 1
Type of magnitude Mwp
Reference to an origin 81743311
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2020-08-07 17:15:11

mb:4.9

Field Value
Value 4.9
Uncertainty 0.2
Num. used stations 6
Type of magnitude mb
Reference to an origin 81743311
Agency INGV
Autore early-est_ee1.1.9
Time of creation (UTC) 2020-08-07 17:15:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
DK.NEEM.BHZ.10 2020-08-07T13:23:43.80 10.0 negative automatic S 293 11.5515 -5.52979 0
DK.NUUG.BHZ.00 2020-08-07T13:22:39.65 10.0 negative automatic P 277 16.0119 -1.65983 0.930233
GE.SUMG.BHZ. 2020-08-07T13:21:52.75 10.0 positive automatic P 265 12.3111 0.787906 0.869565
DK.NEEM.BHZ.10 2020-08-07T13:21:39.85 10.0 negative automatic P 293 11.5515 -1.60023 0.97561
IU.KEV.BHZ.00 2020-08-07T13:21:24.67 10.0 positive automatic P 138 10.3111 0.608379 0.97561
DK.DBG.BHZ.00 2020-08-07T13:20:45.80 10.0 positive automatic P 249 7.5255 -0.0478457 0.97561
GE.DAG.BHZ. 2020-08-07T13:20:20.73 10.0 positive automatic P 264 5.6592 0.50204 0.97561
DK.NOR.BHZ. 2020-08-07T13:20:12.65 10.0 positive automatic P 318 4.9525 2.13766 0.930233
GE.KBS.BHZ.00 2020-08-07T13:19:16.17 10.0 positive automatic P 70 1.0649 -0.650463 0.930233
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