Earthquake with magnitude of ML 2.8 on date 18-03-2024 and time 15:52:47 (UTC) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 2.8 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 18-03-2024 15:52:47 (UTC)
  • 18-03-2024 16:52:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.3910, 8.5060 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
Formazza VB 6 445 445
Premia VB 19 564 1009

Municipalities with at least 50000 inhabitants

An earthquake occurred to
68 Km NW of Varese (80799 inhabitants)
79 Km NW of Como (84495 inhabitants)
84 Km N of Gallarate (53343 inhabitants)
90 Km NW of Busto Arsizio (83106 inhabitants)
94 Km NW of Legnano (60262 inhabitants)
Recent and historical seismicity

These maps show the seismic activity in different time intervals, before the seismic event to which they refer. Data reported in the first two maps come from the analysis carried out in real time by the personnel of the INGV Operating Rooms, immediately after each earthquake. The third map shows data from 1985 to the date of the earthquake: the locations are reviewed by the seismological analysts of the INGV Italian Seismic Bulletin (Bollettino Sismico Italiano dell’INGV). The localization parameters (hypocentral coordinates and magnitude) are the best possible estimate with the data available to the INGV, but are constantly updated according to further data that become available. The location and magnitude parameters, subsequently reviewed by seismological analysts, may vary.

Earthquakes of the 3 days preceding this event

Earthquakes of the 3 days preceding this event

This map shows the earthquake epicenters with magnitude ≥ 0.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 72 hours preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes of the 90 days preceding this event

Earthquakes of the 90 days preceding this event

This map shows the earthquake epicenters with magnitude ≥ 2.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 90 days preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes from 1985 to the date of the event

Earthquakes from 1985 to the date of the event

This map shows the earthquake epicenters with magnitude ≥ 3.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, from 1985 to the date of this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes since 1000 AD until 2019

Earthquakes since 1000 AD until 2019

This map shows the epicenters of the historical earthquakes catalogue CPT15 (Catalogo Parametrico dei Terremoti Italiani, 2015 version 3.0, https://doi.org/10.13127/cpti/cpti15.3) since 1000 AD until 2019. The size of the square indicates the different classes of magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The black and white star is the epicenter of the current earthquake.
Seismic hazard

Seismic hazard maps provide probabilistic estimates of the earthquake ground shaking exceeding a given threshold in a given geographic region within a given time window. Thus, it is not a deterministic prediction - a target that may be never reached given the complexity of the earthquake physical phenomenon - nor of the maximum expected earthquake since this has extremely low probabilities to occur.

In 2004, it was published the seismic hazard map of Italy (http://zonesismiche.mi.ingv.it) that provides a picture of the most hazardous geographic regions. The seismic hazard map of Italy (GdL MPS, 2004; rif. Ordinanza PCM del 28 aprile 2006, n. 3519, All. 1b) provides the 10% probability of exceedance in 50 years of the horizontal acceleration at rock sites (i.e., Vs30>800 m/s; cat. A, 3.2.1 of the D.M. 14.09.2005).

The colours indicate the various values of the ground acceleration that have 10% to be exceeded within 50 years. In general, the colours associated to low values of acceleration refer to areas that are less hazardous and stronger earthquakes repeat less frequently although they may still occur.

Seismic hazard map

Seismic hazard map

This map shows the seismic hazard map of Italy for the region where the earthquake occurred.
Shakemap
Felt maps
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web questionnaire

This map shows the distribution of earthquake resentment in the area, expressed in terms of intensity on the MCS scale (Mercalli-Cancani-Sieberg). Intensities are determined using data from questionnaires collected on the website http://www.hsit.it. The intensities shown are determined considering all the reports received from each municipality, and are all the more reliable the greater the number of questionnaires. The collected data are subjected to an automatic statistical filter, but are not checked individually. In particular, intensities greater than or equal to the VI degree of the MCS or EMS scale require on-site verification by specialized personnel. The black star is the epicenter of the earthquake that occurred. This map is updated every time citizens fill out new questionnaires. The number of questionnaires processed to obtain this map, the date and time of the last update are shown at the top right.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 2.8 2024-03-18
15:52:47
46.3912 8.5057 9 2024-03-18
16:04:46
Sala Sismica INGV-Roma 125968031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-18 15:52:47 ± 0.21
Latitude 46.3912 ± 0.0090
Longitude 8.5057 ± 0.0104
Depth (km) 9 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125968031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 951
Semi-minor axis of confidence ellipse (meter) 527
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 142
Circular confidence region, given by single value of horizontal uncertainty (meter) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 55
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.59540
Number of stations at which the event was observed 46
Number of stations from which data was used for origin computation 23
Magnitude information

ML:2.8

Field Value
Value 2.8
Uncertainty 0.3
Num. used stations 74
Type of magnitude ML
Reference to an origin 125968031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-18 16:04:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LRP.EHZ. 2024-03-18T15:54:33.87 3.0 negative manual Pg 17.33 0
IV.PII.HHZ. 2024-03-18T15:54:20.81 3.0 undecidable manual Sg 6.7 0
IV.MMO1.EHZ. 2024-03-18T15:54:18.75 3.0 undecidable manual Pg 17.129999 0
IV.MOMA.HHZ. 2024-03-18T15:54:06.64 3.0 undecidable manual Pg 9.03 0
IV.CSP1.EHZ. 2024-03-18T15:54:00.30 3.0 undecidable manual Pn 1.44 0
IV.PARC.HHZ. 2024-03-18T15:53:48.85 3.0 negative manual Pn 2.21 0
IV.IMOL.HNZ. 2024-03-18T15:53:44.52 3.0 positive manual Pg 8.23 0
IV.MAGA.HHZ. 2024-03-18T15:53:39.86 3.0 undecidable manual S 112 177.0894 50 2.47 0
IV.OSSC.HHZ. 2024-03-18T15:53:38.59 3.0 undecidable manual Pn -3.19 0
OX.VARN.HHZ. 2024-03-18T15:53:34.78 3.0 undecidable manual Pn 5.4 0
OE.WTTA.HHZ. 2024-03-18T15:53:30.72 3.0 negative manual Pn 4.16 0
ST.ZIAN.EHZ. 2024-03-18T15:53:27.85 3.0 negative manual Pg 4.08 0
SI.ROSI.HHZ. 2024-03-18T15:53:27.09 3.0 negative manual Pg 3.94 0
GU.CANO.HHZ. 2024-03-18T15:53:25.59 3.0 positive manual Pg 1.69 0
IV.MRGE.HHZ. 2024-03-18T15:53:25.36 0.3 undecidable manual S 239 130.7691 50 0.32 62
SI.KOSI.HHZ. 2024-03-18T15:53:25.38 3.0 positive manual Pn 3.42 0
SI.ABSI.HHZ. 2024-03-18T15:53:24.51 3.0 undecidable manual Pn 2.75 0
OX.MARN.HHZ. 2024-03-18T15:53:24.96 3.0 positive manual Pn 2.57 0
GU.PZZ.HHZ. 2024-03-18T15:53:23.56 3.0 undecidable manual Pn 0.78 0
ST.DOSS.HHZ. 2024-03-18T15:53:23.22 3.0 negative manual Pn 2.09 0
GU.PCP.HHZ. 2024-03-18T15:53:22.17 3.0 positive manual Pg 2.91 0
GU.RRL.HHZ. 2024-03-18T15:53:21.92 3.0 positive manual Pn 2.28 0
SI.LUSI.HHZ. 2024-03-18T15:53:19.87 3.0 negative manual Pn 1.29 0
ST.GAGG.HHZ. 2024-03-18T15:53:19.31 3.0 positive manual Pn 0.95 0
CH.GIMEL.HHZ. 2024-03-18T15:53:17.33 3.0 negative manual Pn 2.38 0
IV.MAGA.HHZ. 2024-03-18T15:53:16.83 0.6 positive manual P 112 177.0894 50 0.61 32
ST.RONC.EHZ. 2024-03-18T15:53:15.34 0.1 undecidable manual P 105 168.9087 50 0.39 72
ST.CARE.EHZ. 2024-03-18T15:53:15.02 0.1 undecidable manual P 88 167.5101 50 0.28 74
SI.MOSI.HHZ. 2024-03-18T15:53:14.55 0.3 undecidable manual P 80 158.0196 50 1.26 39
IV.BAG8.EHZ. 2024-03-18T15:53:14.80 0.1 undecidable manual P 112 163.4142 50 0.68 67
GU.RSP.HHZ. 2024-03-18T15:53:14.67 0.3 undecidable manual P 215 168.0096 50 -0.15 57
CH.DIX.HHZ. 2024-03-18T15:53:14.48 0.6 undecidable manual S 248 91.0422 50 0.06 48
IV.MABI.HHZ. 2024-03-18T15:53:13.88 0.6 negative manual P 103 158.619 50 0.51 37
4P.IT02A.HHZ. 2024-03-18T15:53:12.51 0.6 undecidable manual S 187 85.9473 50 -0.57 43
IV.BRMO.HHZ. 2024-03-18T15:53:11.04 0.3 undecidable manual P 86 143.0457 50 0.07 64
IV.MRGE.HHZ. 2024-03-18T15:53:09.68 0.3 undecidable manual P 239 130.7691 50 0.59 58
CH.MUGIO.HHZ. 2024-03-18T15:53:06.95 0.3 undecidable manual S 141 66.378 50 -0.9 58
GU.CIRO.HHZ. 2024-03-18T15:53:06.71 0.1 undecidable manual P 220 113.4975 50 0.29 87
CH.DAVOX.HHZ. 2024-03-18T15:53:06.23 0.6 positive manual P 67 113.2977 50 -0.16 44
IV.MDI.HHZ. 2024-03-18T15:53:06.97 0.1 undecidable manual P 126 115.8951 50 0.18 88
GU.TRAV.HHZ. 2024-03-18T15:53:05.96 0.1 positive manual P 211 113.6973 50 -0.5 83
IV.VARE.HHZ. 2024-03-18T15:53:05.86 0.3 undecidable manual S 161 61.494 50 -0.69 64
CH.PLONS.HHZ. 2024-03-18T15:53:04.06 0.1 undecidable manual P 42 98.8233 50 -0.09 93
CH.MMK.HHZ. 2024-03-18T15:53:04.43 0.6 undecidable manual S 228 56.1993 50 -0.69 43
CH.DIX.HHZ. 2024-03-18T15:53:03.27 0.3 negative manual P 248 91.0422 50 0.32 68
CH.BNALP.HHZ. 2024-03-18T15:53:03.12 0.6 undecidable manual S 353 53.502 50 -1.3 32
4P.IT02A.HHZ. 2024-03-18T15:53:02.44 0.1 undecidable manual P 187 85.9473 50 0.26 92
IV.ORO.EHZ. 2024-03-18T15:53:02.62 0.1 undecidable manual P 206 93.9393 50 -0.78 77
GU.SATI.HHZ. 2024-03-18T15:53:00.87 0.1 positive manual P 221 75.2691 50 0.34 92
CH.MUGIO.HHZ. 2024-03-18T15:52:59.12 0.1 negative manual P 141 66.378 50 -0.04 100
IV.VARE.HHZ. 2024-03-18T15:52:58.59 0.1 positive manual P 161 61.494 50 0.18 98
CH.MMK.HHZ. 2024-03-18T15:52:57.72 0.1 positive manual P 228 56.1993 50 0.13 100
CH.BNALP.HHZ. 2024-03-18T15:52:56.99 0.1 positive manual P 353 53.502 50 -0.19 99
CH.FUSIO.HHZ. 2024-03-18T15:52:52.13 0.6 undecidable manual S 60 13.9749 124 -1 41
CH.FUSIO.HHZ. 2024-03-18T15:52:50.44 0.6 undecidable manual P 60 13.9749 124 -0.22 53
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.FUSIO.HHN. ML:3.2 0.017 0.1 AML other m 2024-03-18T15:52:52.31
CH.FUSIO.HHE. ML:3.0 0.010320000000000001 0.44 AML other m 2024-03-18T15:52:52.33
CH.BNALP.HHE. ML:2.9 0.0018900000000000002 0.42 AML other m 2024-03-18T15:53:03.69
CH.BNALP.HHN. ML:2.7 0.0013 0.64 AML other m 2024-03-18T15:53:03.95
CH.MMK.HHN. ML:2.2 0.000363 0.18 AML other m 2024-03-18T15:53:05.49
CH.MMK.HHE. ML:1.9 0.000191 0.48 AML other m 2024-03-18T15:53:05.73
IV.VARE.HHE. ML:3.3 0.0038799999999999998 0.98 AML other m 2024-03-18T15:53:06.16
CH.MUGIO.HHN. ML:3.3 0.0038200000000000005 0.46 AML other m 2024-03-18T15:53:07.29
CH.MUGIO.HHE. ML:3.2 0.0026500000000000004 0.38 AML other m 2024-03-18T15:53:07.32
IV.VARE.HHN. ML:3.2 0.003045 1.06 AML other m 2024-03-18T15:53:07.39
GU.SATI.HNN. ML:2.7 0.0008055 0.8 AML other m 2024-03-18T15:53:12.55
GU.SATI.HHN. ML:2.7 0.000794 0.8 AML other m 2024-03-18T15:53:12.55
GU.SATI.HHE. ML:2.7 0.0007995000000000001 0.34 AML other m 2024-03-18T15:53:12.73
GU.SATI.HNE. ML:2.7 0.0008235 0.36 AML other m 2024-03-18T15:53:12.56
4P.IT02A.HHN. ML:2.9 0.0010699999999999998 0.24 AML other m 2024-03-18T15:53:12.96
4P.IT02A.HHE. ML:3.1 0.0017250000000000002 1.08 AML other m 2024-03-18T15:53:13.23
CH.DIX.HHN. ML:3.4 0.00257 0.2 AML other m 2024-03-18T15:53:15.10
IV.MABI.HHE. ML:2.6 0.000164 0.26 AML other m 2024-03-18T15:53:15.91
CH.DIX.HHE. ML:3.1 0.0014249999999999998 0.18 AML other m 2024-03-18T15:53:16.38
IV.ORO.HNE. ML:3.1 0.001415 0.42 AML other m 2024-03-18T15:53:18.71
IV.ORO.EHE. ML:2.8 0.000669 0.44 AML other m 2024-03-18T15:53:18.72
IV.ORO.HNN. ML:2.9 0.000919 0.12 AML other m 2024-03-18T15:53:18.76
IV.ORO.EHN. ML:2.6 0.000477 0.12 AML other m 2024-03-18T15:53:18.83
CH.GIMEL.HHE. ML:2.5 0.00011265 0.4 AML other m 2024-03-18T15:53:20.30
CH.DAVOX.HHN. ML:3.3 0.0015 1.52 AML other m 2024-03-18T15:53:20.99
CH.DAVOX.HHE. ML:3.0 0.000776 0.5 AML other m 2024-03-18T15:53:21.71
GU.CIRO.HHE. ML:2.4 0.00021100000000000003 1.48 AML other m 2024-03-18T15:53:22.07
GU.CIRO.HHN. ML:2.5 0.0002545 0.28 AML other m 2024-03-18T15:53:23.37
CH.PLONS.HHE. ML:2.4 0.00028399999999999996 0.46 AML other m 2024-03-18T15:53:23.58
CH.PLONS.HHN. ML:2.5 0.00035099999999999997 0.2 AML other m 2024-03-18T15:53:24.28
IV.MDI.HHN. ML:2.8 0.000569 0.38 AML other m 2024-03-18T15:53:25.64
IV.MRGE.HHN. ML:2.7 0.00029949999999999996 0.78 AML other m 2024-03-18T15:53:26.43
IV.MDI.HHE. ML:3.0 0.0007595000000000001 0.78 AML other m 2024-03-18T15:53:26.06
IV.MDI.HNE. ML:3.0 0.0007250000000000001 0.78 AML other m 2024-03-18T15:53:26.06
IV.MDI.HNN. ML:2.8 0.000565 0.5 AML other m 2024-03-18T15:53:26.73
IV.MRGE.HHE. ML:2.7 0.000323 0.34 AML other m 2024-03-18T15:53:28.39
IV.BRMO.HHN. ML:2.4 0.00013000000000000002 1.36 AML other m 2024-03-18T15:53:29.10
SI.KOSI.HHE. ML:2.2 0.00003915 0.7 AML other m 2024-03-18T15:53:31.51
IV.BRMO.HHE. ML:2.3 0.00009945 0.58 AML other m 2024-03-18T15:53:33.56
IV.MABI.HHN. ML:2.5 0.000155 0.54 AML other m 2024-03-18T15:53:35.29
ST.RONC.HNE. ML:3.2 0.00064 1.16 AML other m 2024-03-18T15:53:37.41
ST.RONC.EHE. ML:3.1 0.000588 0.84 AML other m 2024-03-18T15:53:37.00
ST.CARE.EHE. ML:2.5 0.00013700000000000002 1.72 AML other m 2024-03-18T15:53:37.97
GU.RSP.HHE. ML:2.3 0.00007419999999999999 0.86 AML other m 2024-03-18T15:53:38.31
GU.RSP.HHN. ML:2.3 0.00008015 0.64 AML other m 2024-03-18T15:53:38.97
ST.CARE.EHN. ML:2.5 0.00011899999999999999 1.54 AML other m 2024-03-18T15:53:38.84
IV.BAG8.EHN. ML:3.0 0.000397 1.02 AML other m 2024-03-18T15:53:38.95
ST.RONC.HNN. ML:3.2 0.000683 0.84 AML other m 2024-03-18T15:53:39.42
ST.RONC.EHN. ML:3.3 0.0008175 0.82 AML other m 2024-03-18T15:53:39.43
SI.MOSI.HHN. ML:3.1 0.0005589999999999999 0.54 AML other m 2024-03-18T15:53:39.27
IV.BAG8.EHE. ML:2.9 0.0003375 0.2 AML other m 2024-03-18T15:53:39.53
SI.MOSI.HHE. ML:3.0 0.00043599999999999997 0.84 AML other m 2024-03-18T15:53:40.20
CH.GIMEL.HHN. ML:2.6 0.00013800000000000002 1.18 AML other m 2024-03-18T15:53:41.17
SI.LUSI.HHN. ML:3.0 0.00033600000000000004 0.22 AML other m 2024-03-18T15:53:44.05
SI.LUSI.HHE. ML:2.9 0.000257 1.62 AML other m 2024-03-18T15:53:44.07
IV.MAGA.HHE. ML:3.1 0.0005465 0.56 AML other m 2024-03-18T15:53:44.07
ST.GAGG.HHE. ML:2.6 0.00013974999999999998 1 AML other m 2024-03-18T15:53:44.53
ST.GAGG.HHN. ML:2.7 0.00016299999999999998 1.4 AML other m 2024-03-18T15:53:44.80
ST.GAGG.HNN. ML:2.7 0.0001545 1.4 AML other m 2024-03-18T15:53:44.80
ST.GAGG.HNE. ML:2.6 0.0001415 0.94 AML other m 2024-03-18T15:53:47.13
IV.MAGA.HHN. ML:3.0 0.00035650000000000005 0.36 AML other m 2024-03-18T15:53:47.76
ST.DOSS.HNE. ML:2.8 0.00017449999999999999 0.34 AML other m 2024-03-18T15:53:52.33
ST.DOSS.HHE. ML:2.8 0.00017749999999999998 0.34 AML other m 2024-03-18T15:53:52.50
ST.DOSS.HNN. ML:2.9 0.0001965 0.42 AML other m 2024-03-18T15:53:52.79
ST.DOSS.HHN. ML:2.9 0.0001895 1.6 AML other m 2024-03-18T15:53:54.87
SI.ABSI.HHN. ML:2.9 0.000192 0.42 AML other m 2024-03-18T15:53:54.37
SI.ABSI.HHE. ML:2.9 0.00019600000000000002 0.82 AML other m 2024-03-18T15:53:54.34
GU.RRL.HHN. ML:2.5 0.00008549999999999999 0.42 AML other m 2024-03-18T15:53:55.53
SI.KOSI.HHN. ML:2.5 0.0000859 0.7 AML other m 2024-03-18T15:53:56.43
GU.RRL.HHE. ML:2.6 0.00009800000000000001 0.48 AML other m 2024-03-18T15:53:56.33
OX.MARN.HHN. ML:2.6 0.0001032 0.76 AML other m 2024-03-18T15:53:58.04
OX.MARN.HHE. ML:2.8 0.00014600000000000003 0.9 AML other m 2024-03-18T15:53:58.35
GU.PZZ.HHN. ML:2.6 0.00008115 0.66 AML other m 2024-03-18T15:54:03.96
GU.PZZ.HHE. ML:2.6 0.00007944999999999999 0.52 AML other m 2024-03-18T15:54:04.30
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Fault Plane solutions

Fault Plane solutions

The map reports the fault plane solutions for earthquakes in the region from 1977 to the date of this event. Red moment tensors are determined using the Regional Centroid Moment Tensor technique (RCMT, http://www.bo.ingv.it/RCMT) applied for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when a station azimuthal coverage exists RCMTs can be obtained also for earthquakes with magnitude down to 4.0. The gray moment tensors are obtained with the Time Domain Moment Tensor method (TDMT, /tdmt). This technique is applied to earthquakes with magnitude ML greater than 3.2, when it is possible. The size of symbols scales with the calculated moment magnitude Mw.
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download