Earthquake with magnitude of ML 0.6 on date 26-04-2023 and time 09:27:58 (Italy) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 0.6 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 26-04-2023 07:27:58 (UTC)
  • 26-04-2023 09:27:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.5810, 10.4010 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
Tubre BZ 9 977 977
Stelvio BZ 11 1161 2138
Bormio SO 12 4121 6259
Valdidentro SO 13 4125 10384
Valfurva SO 13 2638 13022
Prato allo Stelvio BZ 15 3474 16496
Glorenza BZ 16 896 17392
Malles Venosta BZ 17 5162 22554
Valdisotto SO 17 3556 26110
Sluderno BZ 17 1804 27914

Municipalities with at least 50000 inhabitants

An earthquake occurred to
74 Km W of Bolzano (106441 inhabitants)
79 Km NW of Trento (117317 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 0.6 2023-04-26
07:27:58
46.5807 10.4013 10 2023-04-26
19:07:57
Sala Sismica INGV-Roma 116776851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-26 07:27:58 ± 0.17
Latitude 46.5807 ± 0.0117
Longitude 10.4013 ± 0.0118
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 116776851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1252
Semi-minor axis of confidence ellipse (meter) 822
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 358
Circular confidence region, given by single value of horizontal uncertainty (meter) 1250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.10252
Epicentral distance of station farthest from the epicenter (degree) 0.30937
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:0.6

Field Value
Value 0.6
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 116776851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-26 19:07:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.BERNI.HHZ. 2023-04-26T07:28:09.91 0.6 undecidable manual S 237 34.3434 50 -0.48 45
ST.CARE.EHZ. 2023-04-26T07:28:08.17 0.6 undecidable manual S 128 28.2495 50 -0.6 43
CH.BERNI.HHZ. 2023-04-26T07:28:05.80 0.1 undecidable manual P 237 34.3434 50 0.42 90
ST.CARE.EHZ. 2023-04-26T07:28:04.80 1.0 undecidable manual P 128 28.2495 50 0.36 23
IV.BRMO.HHZ. 2023-04-26T07:28:03.84 0.6 undecidable manual S 191 11.7771 130 -0.07 51
CH.FUORN.HHZ. 2023-04-26T07:28:03.42 0.3 undecidable manual S 293 11.3775 131 -0.38 71
SI.MOSI.HHZ. 2023-04-26T07:28:03.63 0.6 undecidable manual S 71 11.9769 130 -0.32 48
SI.MOSI.HHZ. 2023-04-26T07:28:01.91 0.1 positive manual P 71 11.9769 130 0.25 98
IV.BRMO.HHZ. 2023-04-26T07:28:01.77 0.1 undecidable manual P 191 11.7771 130 0.13 100
CH.FUORN.HHZ. 2023-04-26T07:28:01.77 0.6 undecidable manual P 293 11.3775 131 0.19 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.FUORN.HHE. ML:0.6 0.000049949999999999994 0.34 AML other m 2023-04-26T07:28:03.68
CH.FUORN.HHN. ML:0.7 0.0000559 0.28 AML other m 2023-04-26T07:28:03.54
IV.BRMO.HHE. ML:0.6 0.00004475 0.1 AML other m 2023-04-26T07:28:03.94
IV.BRMO.HHN. ML:0.4 0.00002775 1.08 AML other m 2023-04-26T07:28:04.97
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