Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of mb 4.7 on date 07-06-2023 and time 12:26:38 (UTC) in region Bulgaria

A magnitude mb 4.7 earthquake occured in region: Bulgaria, on

  • 07-06-2023 12:26:38 (UTC)
  • 07-06-2023 14:26:38 (UTC +02:00) Italian time
  • 07-06-2023 15:26:38 (UTC +03:00) local time in the region of the earthquake (Europe/Sofia)

and geographic coordinates (lat, lon) 42.1060, 25.0320 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.

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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 4.7
Mwp 4.6
Mwpd 4.9 		2023-06-07
12:26:38		 42.1058 25.0316 10 2023-06-07
12:45:58		 Sala Sismica INGV-Roma 118180381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-07 12:26:38
Latitude 42.1058
Longitude 25.0316
Depth (km) 10 (from location)
Evaluation mode of Origin automatic
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV-A
Event type earthquake
Origin ID 118180381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 7871263
Semi-minor axis of confidence ellipse (meter) 4077149
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 246
Circular confidence region, given by single value of horizontal uncertainty (meter) 6422440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75.473
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1.24873
Epicentral distance of station closest to the epicenter (degree) 1.03187
Epicentral distance of station farthest from the epicenter (degree) 44.21035
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

Mwp:4.6

Field Value
Value 4.6
Uncertainty 0.0
Num. used stations 1
Type of magnitude Mwp
Reference to an origin 118180381
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-06-07 12:45:58

Mwpd:4.9

Field Value
Value 4.9
Uncertainty 0.0
Num. used stations 1
Type of magnitude Mwpd
Reference to an origin 118180381
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-06-07 12:45:58

mb:4.7

Field Value
Value 4.7
Uncertainty 0.3
Num. used stations 33
Type of magnitude mb
Reference to an origin 118180381
Agency INGV
Autore Auto added
Time of creation (UTC) 2023-06-07 12:45:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GT.DBIC.BHZ.00 2023-06-07T12:34:46.70 10.0 positive automatic P 225 4907.3544 -0.100781 0.443806
II.ARTI.BHZ.00 2023-06-07T12:32:09.62 10.0 positive automatic P 45 2847.1056 1.33298 0.909091
G.TAM.BHZ.00 2023-06-07T12:32:06.45 10.0 positive automatic P 226 2802.3504 0.663393 0.930233
PM.PESTR.BHZ. 2023-06-07T12:32:00.84 10.0 positive automatic P 274 2760.2592 -0.157028 0.888889
ES.EGOR.HHZ. 2023-06-07T12:31:44.26 10.0 positive automatic P 267 2539.7355 1.96103 0.938967
II.ESK.BHZ.00 2023-06-07T12:31:38.87 10.0 positive automatic P 315 2507.0571 0.490253 0.930233
IU.PAB.BHZ.00 2023-06-07T12:31:35.40 10.0 positive automatic P 273 2471.7924 -0.577436 0.869565
RD.ETSF.BHZ. 2023-06-07T12:31:01.50 10.0 positive automatic P 281 2087.91 3.26822 0.909091
ES.EPOB.HHZ. 2023-06-07T12:30:48.25 10.0 positive automatic P 276 1979.4186 1.49196 0.865801
GE.VSU.BHZ. 2023-06-07T12:30:26.55 10.0 positive automatic P 3 1819.3344 -0.921942 0.909091
RD.FLAF.BHZ. 2023-06-07T12:29:54.36 10.0 positive automatic P 282 1533.8424 -0.001292 0.934579
MN.VLC.BHZ. 2023-06-07T12:29:13.62 10.0 positive automatic P 286 1206.2703 -0.664668 0.888889
IV.USI.BHZ. 2023-06-07T12:28:57.55 10.0 positive automatic P 253 1069.263 0.428541 0.952381
IV.MGAB.BHZ. 2023-06-07T12:28:55.50 10.0 positive automatic P 279 1059.8391 -1.24237 0.952381
IV.PTCC.BHZ. 2023-06-07T12:28:54.15 10.0 positive automatic P 301 1042.4898 0.730179 0.952381
GE.MORC.BHZ. 2023-06-07T12:28:51.15 10.0 positive automatic P 328 1027.9599 -0.776079 0.888889
IU.KIEV.BHZ.00 2023-06-07T12:28:48.57 10.0 positive automatic P 17 1006.1484 -0.731944 0.930233
PL.OJC.BHZ. 2023-06-07T12:28:47.53 10.0 positive automatic P 338 985.7466 0.249037 0.930233
IV.LNSS.BHZ. 2023-06-07T12:28:46.55 10.0 positive automatic P 277 984.3036 -0.22575 1.54483
MN.AQU.BHZ. 2023-06-07T12:28:43.02 10.0 positive automatic P 276 955.2105 -1.17498 0.909091
OE.ARSA.BHZ. 2023-06-07T12:28:40.87 10.0 positive automatic P 311 941.8794 -0.363224 0.930233
HT.ALN.HHZ. 2023-06-07T12:27:04.23 10.0 positive automatic Pg 147 158.7522 -1.59704 1.66415
HL.RDO.HHZ. 2023-06-07T12:26:57.31 10.0 positive automatic Pg 158 114.5409 -0.906692 0.707322
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