Earthquake with magnitude of ML 0.8 on date 25-04-2018 and time 19:22:48 (Italy) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 0.8 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 25-04-2018 17:22:48 (UTC)
  • 25-04-2018 19:22:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.6220, 10.4700 at 12 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 3 977 977
Stelvio BZ 6 1161 2138
Glorenza BZ 9 896 3034
Prato allo Stelvio BZ 9 3474 6508
Malles Venosta BZ 10 5162 11670
Sluderno BZ 10 1804 13474
Lasa BZ 17 3993 17467
Valfurva SO 18 2638 20105
Bormio SO 18 4121 24226
Valdidentro SO 20 4125 28351

Municipalities with at least 50000 inhabitants

An earthquake occurred to
69 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
Bulletin
Rev1000
ML 0.8 2018-04-25
17:22:48
46.6225 10.4705 12 2019-04-24
14:49:43
Bollettino Sismico Italiano INGV 59707791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-04-25 17:22:48 ± 0.12
Latitude 46.6225 ± 0.0072
Longitude 10.4705 ± 0.0065
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 59707791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 562
Semi-minor axis of confidence ellipse (meter) 545
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 176
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 164
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.05486
Epicentral distance of station farthest from the epicenter (degree) 0.43437
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 59707791
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-08-13 14:11:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.DAVOX.HHE. 2018-04-25T17:23:03.28 0.6 undecidable manual S 292 48.2184 92 -0.31 44
CH.BERNI.HHZ. 2018-04-25T17:23:01.51 0.6 undecidable manual S 236 41.2254 92 -0.21 46
ST.CARE.EHZ. 2018-04-25T17:22:57.79 0.3 undecidable manual S 142 27.75 94 -0.34 68
CH.DAVOX.HHE. 2018-04-25T17:22:57.18 0.3 undecidable manual P 292 48.2184 92 0.08 70
CH.BERNI.HHZ. 2018-04-25T17:22:56.16 0.3 undecidable manual P 236 41.2254 92 0.13 70
IV.BRMO.HHZ. 2018-04-25T17:22:55.42 0.3 undecidable manual S 205 17.871 101 -0.08 74
ST.CARE.EHZ. 2018-04-25T17:22:54.08 0.3 undecidable manual P 142 27.75 94 0.13 72
IV.BRMO.HHZ. 2018-04-25T17:22:52.76 0.3 undecidable manual P 205 17.871 101 0.33 70
CH.FUORN.HHZ. 2018-04-25T17:22:52.13 0.1 positive manual P 269 15.7731 105 0.01 100
SI.MOSI.HHZ. 2018-04-25T17:22:52.81 0.3 undecidable manual S 96 6.0939 145 -0.03 75
SI.MOSI.HHZ. 2018-04-25T17:22:50.97 0.3 undecidable manual P 96 6.0939 145 0.07 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BRMO.HHE. ML:1.1 0.00010105 0.16 AML other m 2018-04-25T17:22:55.56
CH.FUORN.HHN. ML:1.1 0.00010295 0.24 AML other m 2018-04-25T17:22:55.14
IV.BRMO.HHN. ML:0.9 0.00006325 0.22 AML other m 2018-04-25T17:22:55.58
SI.MOSI.HHN. ML:0.8 0.00009086642000000001 0.256 AML other m 2018-04-25T17:22:53.02
SI.MOSI.HHE. ML:0.6 0.000057253195 1.024 AML other m 2018-04-25T17:22:52.72
CH.FUORN.HHE. ML:1.0 0.00008275 0.24 AML other m 2018-04-25T17:22:55.01
ST.CARE.EHE. ML:0.8 0.000029927989999999998 0.1792 AML other m 2018-04-25T17:22:57.90
ST.CARE.EHN. ML:0.7 0.000025201599999999996 0.0768 AML other m 2018-04-25T17:22:58.02
CH.BERNI.HHN. ML:0.5 0.000008157372999999999 0.5888 AML other m 2018-04-25T17:23:01.64
CH.BERNI.HHE. ML:0.7 0.0000127632 1.7024 AML other m 2018-04-25T17:23:02.15
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