Earthquake with magnitude of ML 0.4 on date 08-05-2020 and time 14:37:22 (UTC) in region 2 km W Issogne (AO)

A magnitude ML 0.4 earthquake occured in region: 2 km W Issogne (AO), on

  • 08-05-2020 14:37:22 (UTC)
  • 08-05-2020 16:37:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.66, 7.66 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
Issogne AO 2 1400 1400
Champdepraz AO 2 712 2112
Verrès AO 3 2696 4808
Montjovet AO 5 1801 6609
Challand-Saint-Victor AO 5 564 7173
Arnad AO 5 1273 8446
Champorcher AO 5 388 8834
Pontboset AO 7 185 9019
Emarèse AO 8 226 9245
Hône AO 8 1166 10411
Challand-Saint-Anselme AO 8 751 11162
Bard AO 9 119 11281
Saint-Vincent AO 10 4660 15941
Pontey AO 10 817 16758
Châtillon AO 10 4772 21530
Donnas AO 11 2563 24093
Brusson AO 12 897 24990
Chambave AO 12 931 25921
Saint-Denis AO 13 378 26299
Pont-Saint-Martin AO 13 3840 30139
Perloz AO 13 477 30616
Verrayes AO 15 1302 31918
Carema TO 15 774 32692
Lillianes AO 15 462 33154
Fénis AO 15 1813 34967
Issime AO 15 423 35390
Fontainemore AO 16 440 35830
Quincinetto TO 16 1031 36861
Antey-Saint-André AO 16 602 37463
La Magdeleine AO 17 109 37572
Torgnon AO 17 558 38130
Ayas AO 17 1401 39531
Nus AO 17 2984 42515
Valprato Soana TO 18 108 42623
Saint-Marcel AO 18 1362 43985
Gressoney-Saint-Jean AO 18 807 44792
Gaby AO 18 468 45260
Tavagnasco TO 19 791 46051
Settimo Vittone TO 19 1560 47611
Traversella TO 19 343 47954
Chamois AO 20 97 48051

Municipalities with at least 50000 inhabitants

An earthquake occurred to
66 Km N of Torino (890529 inhabitants)
74 Km N of Moncalieri (57294 inhabitants)
79 Km W of Novara (104380 inhabitants)
88 Km W of Gallarate (53343 inhabitants)
92 Km W of Varese (80799 inhabitants)
93 Km W of Busto Arsizio (83106 inhabitants)
95 Km NW of Asti (76202 inhabitants)
98 Km W of Legnano (60262 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 0.4 2020-05-08
14:37:22
45.67 7.66 11 2020-05-08
14:41:08
Sala Sismica INGV-Roma 78955691
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-08 14:37:22 ± 0.16
Latitude 45.67 ± 0.01
Longitude 7.66 ± 0.01
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 78955691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1353
Semi-minor axis of confidence ellipse (meter) 1006
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 162
Circular confidence region, given by single value of horizontal uncertainty (meter) 1350
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.08993
Epicentral distance of station farthest from the epicenter (degree) 0.44966
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:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 78955691
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-08 14:41:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
CH.DIX.HHZ. 2020-05-08T14:37:38.49 0.6 undecidable manual S 337 0.4497 50 -0.27 46
IV.MRGE.HHZ. 2020-05-08T14:37:38.30 0.6 undecidable manual S 284 0.4299 50 0.13 48
GU.LSD.HHZ. 2020-05-08T14:37:37.41 0.3 undecidable manual S 241 0.4209 50 -0.48 67
CH.DIX.HHZ. 2020-05-08T14:37:32.12 0.6 negative manual P 337 0.4497 50 0.09 48
GU.SATI.HHZ. 2020-05-08T14:37:32.55 0.3 undecidable manual S 35 0.2554 50 -0.45 69
IV.MRGE.HHZ. 2020-05-08T14:37:32.56 0.3 undecidable manual P 284 0.4299 50 0.86 57
GU.LSD.HHZ. 2020-05-08T14:37:32.08 1.0 positive manual P 241 0.4209 50 0.54 22
GU.TRAV.HHZ. 2020-05-08T14:37:30.01 0.1 undecidable manual S 158 0.1646 120 -0.16 100
GU.SATI.HHZ. 2020-05-08T14:37:28.86 0.6 negative manual P 35 0.2554 50 0.15 49
GU.TRAV.HHZ. 2020-05-08T14:37:27.53 0.1 positive manual P 158 0.1646 120 0.45 94
GU.CIRO.HHZ. 2020-05-08T14:37:27.56 0.1 undecidable manual S 225 0.0899 137 -0.34 98
GU.CIRO.HHZ. 2020-05-08T14:37:25.97 1.0 undecidable manual P 225 0.0899 137 0.2 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.CIRO.HHE. ML:0.3 2.5924292E-5 0.0576 AML other m 2020-05-08T14:37:27.77
GU.CIRO.HHN. ML:0.6 4.449908E-5 0.1408 AML other m 2020-05-08T14:37:28.18
GU.TRAV.HHE. ML:0.5 2.6366285E-5 0.1792 AML other m 2020-05-08T14:37:31.23
GU.TRAV.HHN. ML:0.6 3.217182E-5 0.1216 AML other m 2020-05-08T14:37:30.41
GU.SATI.HHE. ML:0 4.931836E-6 0.1984 AML other m 2020-05-08T14:37:34.38
GU.SATI.HHN. ML:0 4.32058845E-6 0.2176 AML other m 2020-05-08T14:37:34.02
GU.LSD.HHE. ML:0.2 5.28466E-6 0.2048 AML other m 2020-05-08T14:37:39.42
GU.LSD.HHN. ML:0.2 6.3024085E-6 0.096 AML other m 2020-05-08T14:37:38.31
CH.DIX.HHE. ML:0.6 1.226046E-5 0.2048 AML other m 2020-05-08T14:37:42.12
CH.DIX.HHN. ML:0.8 1.28928945E-5 0.5696 AML other m 2020-05-08T14:37:32.20
IV.MRGE.HHE. ML:0.3 5.2287795E-6 0.48 AML other m 2020-05-08T14:37:49.24
IV.MRGE.HHN. ML:0.3 6.3047265E-6 0.256 AML other m 2020-05-08T14:37:38.99
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download