Earthquake with magnitude of ML 0.8 on date 07-05-2020 and time 22:34:21 (UTC) in region 2 km NE Macra (CN)

A magnitude ML 0.8 earthquake occured in region: 2 km NE Macra (CN), on

  • 07-05-2020 22:34:21 (UTC)
  • 08-05-2020 00:34:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5190, 7.1940 at 13 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
Macra CN 2 59 59
Celle di Macra CN 4 100 159
Stroppo CN 6 103 262
San Damiano Macra CN 6 430 692
Sampeyre CN 7 1022 1714
Elva CN 9 97 1811
Cartignano CN 9 190 2001
Frassino CN 9 265 2266
Marmora CN 10 68 2334
Melle CN 11 292 2626
Canosio CN 11 80 2706
Prazzo CN 12 170 2876
Castelmagno CN 12 66 2942
Valmala CN 13 52 2994
Roccabruna CN 13 1585 4579
Casteldelfino CN 13 157 4736
Pradleves CN 13 250 4986
Brossasco CN 15 1084 6070
Dronero CN 15 7035 13105
Villar San Costanzo CN 15 1547 14652
Bellino CN 16 109 14761
Monterosso Grana CN 16 505 15266
Acceglio CN 17 162 15428
Venasca CN 17 1437 16865
Isasca CN 17 76 16941
Montemale di Cuneo CN 17 241 17182
Gambasca CN 17 371 17553
Sanfront CN 17 2395 19948
Pontechianale CN 17 179 20127
Oncino CN 18 76 20203
Martiniana Po CN 18 734 20937
Brondello CN 19 290 21227
Rossana CN 19 908 22135
Valgrana CN 19 786 22921
Rifreddo CN 19 1078 23999
Ostana CN 19 83 24082
Paesana CN 20 2784 26866

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km W of Cuneo (56081 inhabitants)
66 Km SW of Moncalieri (57294 inhabitants)
73 Km SW of Torino (890529 inhabitants)
91 Km W of Asti (76202 inhabitants)
91 Km NW of Sanremo (54807 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 2020-05-07
22:34:21
44.5193 7.1937 13 2020-11-19
12:36:48
Bollettino Sismico Italiano INGV 80062611
Reviewed
Rev100
ML 0.8 2020-05-07
22:34:20
44.516 7.2063 12 2020-05-07
22:38:38
Sala Sismica INGV-Roma 78932231
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-07 22:34:21 ± 0.06
Latitude 44.5193 ± 0.0036
Longitude 7.1937 ± 0.0076
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80062611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 499
Semi-minor axis of confidence ellipse (meter) 402
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 257
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.05666
Epicentral distance of station farthest from the epicenter (degree) 1.01444
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 78932231
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-07 22:38:38

ML:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 80062611
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-02 20:03:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.QLNO.HHE. 2020-05-07T22:34:48.51 0.6 undecidable manual S 103 93.8394 91 -0.02 43
IV.IMI.HHN. 2020-05-07T22:34:46.89 0.6 undecidable manual S 140 87.4458 91 0.05 43
GU.RORO.HHE. 2020-05-07T22:34:45.15 0.6 undecidable manual S 123 82.6506 91 -0.41 41
GU.RSP.HNZ. 2020-05-07T22:34:42.06 0.6 undecidable manual S 5 69.9744 92 -0.11 44
RD.ORIF.BHE. 2020-05-07T22:34:40.14 1.0 undecidable manual P 294 112.5984 91 0.34 20
FR.SAOF.HHZ.00 2020-05-07T22:34:40.72 0.3 undecidable manual S 154 65.6898 92 -0.3 65
GU.GBOS.HHZ. 2020-05-07T22:34:39.09 0.6 undecidable manual S 121 59.7957 92 -0.35 43
GU.PCP.HHZ. 2020-05-07T22:34:39.11 0.6 undecidable manual P 88 106.9152 91 0.19 41
GU.RRL.HHZ. 2020-05-07T22:34:37.93 0.3 undecidable manual S 325 54.7008 92 -0.16 67
IV.QLNO.HHE. 2020-05-07T22:34:37.09 0.1 undecidable manual P 103 93.8394 91 0.19 84
GU.CANO.HHZ. 2020-05-07T22:34:36.17 0.6 undecidable manual P 112 89.7435 91 -0.1 43
IV.IMI.HHN. 2020-05-07T22:34:36.07 0.1 undecidable manual P 140 87.4458 91 0.14 85
GU.RORO.HHE. 2020-05-07T22:34:35.25 0.1 undecidable manual P 123 82.6506 91 0.06 88
GU.RSP.HNZ. 2020-05-07T22:34:33.06 0.6 undecidable manual P 5 69.9744 92 -0.17 43
GU.ENR.HHZ. 2020-05-07T22:34:33.24 0.6 undecidable manual S 151 37.1295 94 -0.16 47
GU.BHB.HHZ. 2020-05-07T22:34:32.74 0.6 undecidable manual S 9 35.4423 94 -0.22 46
FR.SAOF.HHZ.00 2020-05-07T22:34:32.88 1.0 undecidable manual P 154 65.6898 92 0.31 21
GU.GBOS.HHZ. 2020-05-07T22:34:31.90 0.1 undecidable manual P 121 59.7957 92 0.24 88
GU.STV.HHZ. 2020-05-07T22:34:31.61 0.6 undecidable manual S 161 32.1456 95 -0.47 45
GU.RRL.HHZ. 2020-05-07T22:34:30.96 0.3 undecidable manual P 325 54.7008 92 0.08 70
GU.BHB.HHZ. 2020-05-07T22:34:28.00 0.3 undecidable manual P 9 35.4423 94 0.08 72
GU.ENR.HHZ. 2020-05-07T22:34:28.17 0.1 undecidable manual P 151 37.1295 94 0 96
GU.STV.HHZ. 2020-05-07T22:34:27.45 0.3 undecidable manual P 161 32.1456 95 0.05 72
GU.PZZ.HHZ. 2020-05-07T22:34:25.64 0.1 undecidable manual S 257 6.2937 146 -0.16 100
GU.PZZ.HHZ. 2020-05-07T22:34:24.05 0.1 undecidable manual P 257 6.2937 146 0.26 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.PZZ.HHE. ML:1.6 0.00047345174999999993 0.1792 AML other m 2020-05-07T22:34:25.93
GU.PZZ.HHN. ML:1.4 0.00033497365 0.1792 AML other m 2020-05-07T22:34:26.04
GU.STV.HHE. ML:0.8 0.00002472005 0.2048 AML other m 2020-05-07T22:34:31.62
GU.STV.HHN. ML:0.5 0.000017014370000000002 0.1024 AML other m 2020-05-07T22:34:32.10
GU.BHB.HHE. ML:0.4 0.000010757122000000001 0.2688 AML other m 2020-05-07T22:34:32.68
GU.BHB.HHN. ML:0.4 0.0000098043595 0.1408 AML other m 2020-05-07T22:34:32.79
GU.ENR.HHE. ML:1.5 0.00011450916 0.1408 AML other m 2020-05-07T22:34:33.43
GU.ENR.HHN. ML:1.4 0.000092191905 0.0768 AML other m 2020-05-07T22:34:33.43
GU.RRL.HHE. ML:0.6 0.0000079335255 0.1536 AML other m 2020-05-07T22:34:39.40
GU.RRL.HHN. ML:0.3 0.000006106593 0.128 AML other m 2020-05-07T22:34:39.55
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