Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 25-03-2020 and time 13:59:59 (UTC) in region Confine Italia Svizzera (SVIZZERA)

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

  • 25-03-2020 13:59:59 (UTC)
  • 25-03-2020 14:59:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.6750, 9.5260 at 8 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 		ML 0.8 2020-03-25
13:59:59		 46.6753 9.5265 9 2020-03-25
14:08:37		 Sala Sismica INGV-Roma 77563961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-25 13:59:59 ± 0.14
Latitude 46.6753 ± 0.0072
Longitude 9.5265 ± 0.0105
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 77563961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 834
Semi-minor axis of confidence ellipse (meter) 431
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 146
Circular confidence region, given by single value of horizontal uncertainty (meter) 830.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.61424
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 77563961
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-25 14:08:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRE.HHZ. 2020-03-25T14:01:50.62 3.0 undecidable manual Sg 10.86 0
IT.PLTA.HNZ. 2020-03-25T14:01:36.00 3.0 undecidable manual Pn 3.54 0
IV.FAGN.HHZ. 2020-03-25T14:01:19.91 3.0 positive manual Pn -1.32 0
IV.NARO.HHZ. 2020-03-25T14:01:07.70 3.0 undecidable manual Pg 7.48 0
IV.COR1.EHZ. 2020-03-25T14:01:05.11 3.0 positive manual Pn 2.7 0
IV.OSSC.HNZ. 2020-03-25T14:00:53.11 3.0 undecidable manual Pn -2.17 0
GU.CARD.HHZ. 2020-03-25T14:00:51.61 3.0 undecidable manual Pg 5.08 0
GU.CANO.HHZ. 2020-03-25T14:00:44.70 3.0 undecidable manual Pn -0.97 0
IV.MBAL.EHZ. 2020-03-25T14:00:23.19 3.0 undecidable manual P -4 0
IV.BRMO.HHZ. 2020-03-25T14:00:20.60 0.6 undecidable manual S 109 68.1762 50 -0.33 44
CH.FUORN.HHE. 2020-03-25T14:00:18.27 0.3 undecidable manual S 96 56.499 50 0.47 66
CH.BERNI.HHZ. 2020-03-25T14:00:14.91 0.3 undecidable manual S 127 47.7189 50 -0.57 65
CH.PLONS.HHZ. 2020-03-25T14:00:13.82 0.3 undecidable manual S 345 42.9237 50 -0.37 69
IV.BRMO.HHZ. 2020-03-25T14:00:12.13 0.3 undecidable manual P 109 68.1762 50 0.17 69
CH.FUORN.HHE. 2020-03-25T14:00:10.37 0.1 undecidable manual P 96 56.499 50 0.22 93
MN.TUE.HHZ. 2020-03-25T14:00:09.03 0.3 undecidable manual S 211 26.3514 108 -0.27 73
CH.DAVOX.HHZ. 2020-03-25T14:00:09.93 0.3 undecidable manual S 66 29.2485 106 -0.34 71
CH.BERNI.HHZ. 2020-03-25T14:00:08.96 0.3 undecidable manual P 127 47.7189 50 0.15 72
CH.PLONS.HHZ. 2020-03-25T14:00:08.40 0.6 undecidable manual P 345 42.9237 50 0.34 46
CH.DAVOX.HHZ. 2020-03-25T14:00:05.90 0.1 positive manual P 66 29.2485 106 0.1 100
MN.TUE.HHZ. 2020-03-25T14:00:05.44 0.1 undecidable manual P 211 26.3514 108 0.2 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
MN.TUE.HHN. ML:0.6 0.000021148495 0.3008 AML other m 2020-03-25T14:00:11.15
MN.TUE.HNN. ML:0.6 0.000023426475000000002 0.3008 AML other m 2020-03-25T14:00:10.00
MN.TUE.HNE. ML:0.8 0.000034038985 0.2176 AML other m 2020-03-25T14:00:10.31
MN.TUE.HHE. ML:0.8 0.000033067825000000004 0.2176 AML other m 2020-03-25T14:00:10.31
CH.DAVOX.HHN. ML:1.7 0.0002587795 0.384 AML other m 2020-03-25T14:00:10.24
CH.DAVOX.HHE. ML:1.6 0.00019503509999999999 0.32 AML other m 2020-03-25T14:00:11.75
CH.BERNI.HHN. ML:0.7 0.000015864426 0.1536 AML other m 2020-03-25T14:00:15.57
CH.BERNI.HHE. ML:0.9 0.00001807131 0.2048 AML other m 2020-03-25T14:00:18.24
IV.BRMO.HHN. ML:0.9 0.000013381879499999999 0.224 AML other m 2020-03-25T14:00:20.63
IV.BRMO.HHE. ML:0.8 0.0000090267585 0.256 AML other m 2020-03-25T14:00:12.42
IV.OSSC.HHE. ML:0.0 0.00000121077825 0.3584 AML other m 2020-03-25T14:01:59.62
IV.OSSC.HHN. ML:0.0 0.00000122366985 0.416 AML other m 2020-03-25T14:01:45.48
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