Earthquake with magnitude of ML 1.3 on date 27-03-2024 and time 16:27:56 (UTC) in region 3 km W Macugnaga (VB)

A magnitude ML 1.3 earthquake occured in region: 3 km W Macugnaga (VB), on

  • 27-03-2024 16:27:56 (UTC)
  • 27-03-2024 17:27:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.9740, 7.9330 at 11 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
Macugnaga VB 3 557 557
Ceppo Morelli VB 10 321 878
Carcoforo VC 12 78 956
Alagna Valsesia VC 13 408 1364
Vanzone con San Carlo VB 14 407 1771
Rima San Giuseppe VC 14 59 1830
Riva Valdobbia VC 16 258 2088
Rimasco VC 16 106 2194
Bannio Anzino VB 17 475 2669
Antrona Schieranco VB 17 428 3097
Gressoney-La-Trinité AO 18 303 3400
Calasca-Castiglione VB 19 649 4049
Mollia VC 19 95 4144
Fobello VC 20 196 4340

Municipalities with at least 50000 inhabitants

An earthquake occurred to
71 Km W of Varese (80799 inhabitants)
75 Km W of Gallarate (53343 inhabitants)
79 Km NW of Novara (104380 inhabitants)
82 Km W of Busto Arsizio (83106 inhabitants)
87 Km W of Legnano (60262 inhabitants)
91 Km W of Como (84495 inhabitants)
99 Km W of Rho (50434 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 1.3 2024-03-27
16:27:56
45.9743 7.9328 11 2024-03-27
16:38:15
Sala Sismica INGV-Roma 126206201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-27 16:27:56 ± 0.1
Latitude 45.9743 ± 0.0063
Longitude 7.9328 ± 0.0091
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126206201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 808
Semi-minor axis of confidence ellipse (meter) 503
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 129
Circular confidence region, given by single value of horizontal uncertainty (meter) 810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.07914
Epicentral distance of station farthest from the epicenter (degree) 0.75813
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 126206201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-27 16:38:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.LSD.HHZ. 2024-03-27T16:28:11.42 0.3 undecidable manual P 228 84.1491 50 0.26 64
GU.BLANC.HHE. 2024-03-27T16:28:10.32 0.1 undecidable manual P 260 78.4659 50 0.05 91
IV.MRGE.HHZ. 2024-03-27T16:28:09.41 1.0 undecidable manual P 252 71.0733 50 0.28 22
CH.DIX.HHZ. 2024-03-27T16:28:09.75 0.6 undecidable manual S 286 42.0246 50 -0.72 40
IV.ORO.EHZ. 2024-03-27T16:28:08.81 0.6 undecidable manual S 174 38.7279 50 -0.77 41
GU.REMY.HHE. 2024-03-27T16:28:07.81 0.1 undecidable manual P 256 61.7937 50 0.1 93
4P.IT02A.HHE. 2024-03-27T16:28:06.12 0.1 undecidable manual P 140 51.2154 50 0.05 95
GU.TRAV.HHZ. 2024-03-27T16:28:06.40 0.3 positive manual P 196 53.3022 50 0.01 72
GU.CIRO.HHZ. 2024-03-27T16:28:05.88 0.1 undecidable manual P 214 50.0166 50 -0.01 97
CH.DIX.HHZ. 2024-03-27T16:28:04.75 0.6 negative manual P 286 42.0246 50 0.08 48
IV.ORO.EHZ. 2024-03-27T16:28:04.08 0.6 positive manual P 174 38.7279 50 -0.07 49
GU.SATI.HNZ. 2024-03-27T16:28:02.08 0.6 undecidable manual S 204 12.0768 132 -0.3 48
CH.MMK.HHZ. 2024-03-27T16:28:01.27 0.6 undecidable manual S 16 8.7801 141 -0.34 47
GU.SATI.HNZ. 2024-03-27T16:28:00.27 0.1 undecidable manual P 204 12.0768 132 0.27 99
CH.MMK.HHZ. 2024-03-27T16:27:59.82 0.1 undecidable manual P 16 8.7801 141 0.27 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ORO.EHN. ML:1.6 0.00014050000000000003 1.1 AML other m 2024-03-27T16:28:09.09
IV.ORO.EHE. ML:1.6 0.000135471375 0.24 AML other m 2024-03-27T16:28:09.72
GU.SATI.HHE. ML:1.3 0.000236875 0.08 AML other m 2024-03-27T16:28:02.21
GU.SATI.HHN. ML:1.4 0.00025771685 0.08 AML other m 2024-03-27T16:28:02.23
GU.SATI.HNE. ML:1.3 0.0002354927 0.09 AML other m 2024-03-27T16:28:02.21
GU.SATI.HNN. ML:1.4 0.0002631092 0.09 AML other m 2024-03-27T16:28:02.18
IV.ORO.HNE. ML:1.9 0.00028764314999999997 0.06 AML other m 2024-03-27T16:28:09.59
IV.ORO.HNN. ML:1.9 0.00026923605 0.09 AML other m 2024-03-27T16:28:09.65
CH.DIX.HHE. ML:1.2 0.0000557259465 0.19 AML other m 2024-03-27T16:28:09.92
CH.DIX.HHN. ML:1.3 0.000064669295 0.17 AML other m 2024-03-27T16:28:09.87
GU.CIRO.HHE. ML:0.3 0.0000028908724000000004 46.42 AML other m 2024-03-27T16:28:05.70
GU.CIRO.HHN. ML:0.6 0.0000085506035 0.08 AML other m 2024-03-27T16:28:12.38
GU.TRAV.HHE. ML:1.3 0.0000493895 0.08 AML other m 2024-03-27T16:28:13.19
IV.MRGE.HHN. ML:1.1 0.000021165405 0.84 AML other m 2024-03-27T16:28:34.37
IV.MRGE.HHE. ML:0.8 0.000012364130000000001 0.52 AML other m 2024-03-27T16:28:28.08
GU.LSD.HHN. ML:1.3 0.0000257359205 1.64 AML other m 2024-03-27T16:28:42.20
GU.LSD.HHE. ML:1.1 0.00001367119 1.04 AML other m 2024-03-27T16:28:35.88
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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