Earthquake with magnitude of ML 1.2 on date 25-04-2023 and time 11:26:15 (UTC) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 1.2 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 25-04-2023 11:26:15 (UTC)
  • 25-04-2023 13:26:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.5660, 10.3840 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Bormio SO 11 4121 4121
Valdidentro SO 11 4125 8246
Tubre BZ 11 977 9223
Valfurva SO 12 2638 11861
Stelvio BZ 13 1161 13022
Valdisotto SO 15 3556 16578
Prato allo Stelvio BZ 17 3474 20052
Glorenza BZ 18 896 20948
Malles Venosta BZ 19 5162 26110
Sluderno BZ 19 1804 27914
Livigno SO 19 6389 34303

Municipalities with at least 50000 inhabitants

An earthquake occurred to
75 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 1.2 2023-04-25
11:26:15
46.5662 10.3843 9 2023-04-25
11:33:15
Sala Sismica INGV-Roma 116732661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-25 11:26:15 ± 0.08
Latitude 46.5662 ± 0.0045
Longitude 10.3843 ± 0.0065
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 116732661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 507
Semi-minor axis of confidence ellipse (meter) 435
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 18
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 119
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.79140
Number of stations at which the event was observed 12
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 18
Type of magnitude ML
Reference to an origin 116732661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-25 11:33:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CTI.HHZ. 2023-04-25T11:26:49.21 0.6 undecidable manual S -0.4 1.01
SI.ABSI.HHZ. 2023-04-25T11:26:37.76 0.6 undecidable manual S 75 73.5708 50 0.01 45
ST.RONC.EHZ. 2023-04-25T11:26:36.19 0.6 undecidable manual S 164 67.4769 50 0.05 45
IV.MABI.HHZ. 2023-04-25T11:26:33.13 0.3 undecidable manual S 170 57.5979 50 -0.36 64
SI.ROSI.HHZ. 2023-04-25T11:26:30.69 1.0 undecidable manual P 62 87.8454 50 0.28 21
CH.DAVOX.HHZ. 2023-04-25T11:26:29.88 0.6 undecidable manual S 302 45.2214 50 -0.3 44
SI.KOSI.HHZ. 2023-04-25T11:26:29.05 0.1 undecidable manual P 98 76.6677 50 0.35 83
SI.ABSI.HHZ. 2023-04-25T11:26:28.46 1.0 negative manual P 75 73.5708 50 0.25 21
ST.RONC.EHZ. 2023-04-25T11:26:27.46 0.1 undecidable manual P 164 67.4769 50 0.17 88
CH.BERNI.HHZ. 2023-04-25T11:26:26.31 0.3 undecidable manual S 239 32.3454 50 -0.45 66
IV.MABI.HHZ. 2023-04-25T11:26:26.09 0.1 undecidable manual P 170 57.5979 50 0.34 86
ST.CARE.EHZ. 2023-04-25T11:26:24.95 0.3 undecidable manual S 123 28.3494 107 -0.56 64
CH.DAVOX.HHZ. 2023-04-25T11:26:23.75 0.6 negative manual P 302 45.2214 50 -0.09 46
ST.CARE.EHZ. 2023-04-25T11:26:21.04 1.0 undecidable manual P 123 28.3494 107 -0.1 24
CH.BERNI.HHZ. 2023-04-25T11:26:21.93 0.6 negative manual P 239 32.3454 50 0.06 48
SI.MOSI.HHZ. 2023-04-25T11:26:20.57 0.3 undecidable manual S 66 13.7751 123 -0.31 70
IV.BRMO.HHZ. 2023-04-25T11:26:19.90 0.6 undecidable manual S 185 9.9789 132 0.06 50
CH.FUORN.HHZ. 2023-04-25T11:26:19.86 0.6 undecidable manual S 303 10.9779 129 -0.23 48
IV.BRMO.HHZ. 2023-04-25T11:26:18.16 0.1 negative manual P 185 9.9789 132 0.29 95
CH.FUORN.HHZ. 2023-04-25T11:26:18.23 0.1 positive manual P 303 10.9779 129 0.21 96
SI.MOSI.HHZ. 2023-04-25T11:26:18.47 0.1 positive manual P 66 13.7751 123 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BRMO.HHE. ML:1.3 0.0002445 0.12 AML other m 2023-04-25T11:26:19.96
CH.FUORN.HHE. ML:1.2 0.00022349999999999998 1.7 AML other m 2023-04-25T11:26:19.10
IV.BRMO.HHN. ML:1.1 0.000158 0.08 AML other m 2023-04-25T11:26:20.09
CH.FUORN.HHN. ML:1.3 0.000256 1.7 AML other m 2023-04-25T11:26:20.07
SI.MOSI.HHE. ML:1.1 0.0001325 0.6 AML other m 2023-04-25T11:26:22.00
SI.MOSI.HHN. ML:1.2 0.0001815 0.38 AML other m 2023-04-25T11:26:23.85
ST.CARE.EHN. ML:1.2 0.00007725 0.16 AML other m 2023-04-25T11:26:25.00
ST.CARE.EHE. ML:1.0 0.000056099999999999995 0.6 AML other m 2023-04-25T11:26:25.39
CH.BERNI.HHE. ML:1.0 0.0000458 0.32 AML other m 2023-04-25T11:26:26.65
CH.BERNI.HHN. ML:0.8 0.00002885 0.88 AML other m 2023-04-25T11:26:27.70
SI.ABSI.HHN. ML:1.2 0.000026299999999999996 0.2 AML other m 2023-04-25T11:26:38.58
SI.ABSI.HHE. ML:1.3 0.000029400000000000003 0.92 AML other m 2023-04-25T11:26:39.34
CH.DAVOX.HHE. ML:1.5 0.00009104691500000001 0.16 AML other m 2023-04-25T11:26:30.84
CH.DAVOX.HHN. ML:1.3 0.000057497489999999996 0.3008 AML other m 2023-04-25T11:26:30.63
IV.MABI.HHE. ML:0.4 0.000007376186999999999 0.1216 AML other m 2023-04-25T11:26:34.30
IV.MABI.HHN. ML:0.8 0.00001420848 0.1344 AML other m 2023-04-25T11:26:33.82
ST.RONC.EHE. ML:1.4 0.00004082517 2.1568 AML other m 2023-04-25T11:26:37.51
ST.RONC.EHN. ML:1.4 0.0000423566 2.4384 AML other m 2023-04-25T11:26:37.12
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download