Earthquake with magnitude of ML 1.9 on date 27-05-2018 and time 22:51:32 (Italy) in region 10 km NW Acceglio (CN)

A magnitude ML 1.9 earthquake occured in region: 10 km NW Acceglio (CN), on

  • 27-05-2018 20:51:32 (UTC)
  • 27-05-2018 22:51:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.5390, 6.8960 at 10 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
Acceglio CN 10 162 162
Bellino CN 11 109 271
Pontechianale CN 14 179 450
Prazzo CN 14 170 620
Casteldelfino CN 15 157 777
Elva CN 16 97 874
Canosio CN 17 80 954
Marmora CN 18 68 1022
Argentera CN 19 83 1105
Stroppo CN 19 103 1208

Municipalities with at least 50000 inhabitants

An earthquake occurred to
55 Km W of Cuneo (56081 inhabitants)
81 Km SW of Moncalieri (57294 inhabitants)
86 Km SW of Torino (890529 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 1.9 2018-05-27
20:51:32
44.5387 6.8958 10 2019-04-24
14:50:57
Bollettino Sismico Italiano INGV 61960051
Reviewed
Rev100
ML 2.1 2018-05-27
20:51:32
44.5407 6.9022 10 2018-05-27
20:57:10
Sala Sismica INGV-Roma 57295201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-05-27 20:51:32 ± 0.23
Latitude 44.5387 ± 0.0072
Longitude 6.8958 ± 0.0164
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 61960051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1379
Semi-minor axis of confidence ellipse (meter) 234
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 64
Circular confidence region, given by single value of horizontal uncertainty (meter) 1380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 210
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.16008
Epicentral distance of station farthest from the epicenter (degree) 1.17451
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:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations 16
Type of magnitude ML
Reference to an origin 61960051
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-10-15 08:48:39

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 57295201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-05-27 20:57:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RORO.HHZ. 2018-05-27T20:52:02.65 0.6 undecidable manual S 117 104.2179 50 0.03 42
GU.GBOS.HHZ. 2018-05-27T20:51:56.52 0.3 undecidable manual S 113 81.7515 50 -0.1 65
GU.PCP.HHZ. 2018-05-27T20:51:54.27 0.3 undecidable manual P 89 130.3695 50 0.5 54
GU.RSP.HHZ. 2018-05-27T20:51:54.95 0.3 undecidable manual S 23 73.5708 50 0.51 61
IV.QLNO.HHZ. 2018-05-27T20:51:52.34 0.6 undecidable manual P 101 117.2937 50 0.59 36
GU.CANO.HHZ. 2018-05-27T20:51:50.84 1.0 undecidable manual P 109 112.4985 50 -0.17 20
IV.IMI.HHZ. 2018-05-27T20:51:50.50 0.1 undecidable manual P 131 105.5166 50 0.56 75
GU.ENR.HHZ. 2018-05-27T20:51:49.22 0.3 undecidable manual S 130 54.1014 50 -0.02 70
GU.RORO.HHZ. 2018-05-27T20:51:49.93 0.3 undecidable manual P 117 104.2179 50 0.19 61
GU.MGRO.HNZ. 2018-05-27T20:51:48.05 0.3 undecidable manual P 127 90.9423 50 0.35 61
GU.RRL.HHZ. 2018-05-27T20:51:46.16 0.3 undecidable manual S 349 43.2234 50 -0.17 69
GU.GBOS.HHZ. 2018-05-27T20:51:46.61 0.3 undecidable manual P 113 81.7515 50 0.33 62
GU.STV.HHZ. 2018-05-27T20:51:46.74 0.3 undecidable manual S 133 47.1195 50 -0.64 61
GU.RSP.HHZ. 2018-05-27T20:51:45.36 0.3 undecidable manual P 23 73.5708 50 0.34 63
GU.BHB.HHZ. 2018-05-27T20:51:45.95 0.3 undecidable manual S 41 43.8228 50 -0.55 63
MN.BNI.HHE. 2018-05-27T20:51:42.43 0.3 undecidable manual P 343 59.496 50 -0.41 64
GU.ENR.HHZ. 2018-05-27T20:51:41.74 0.3 undecidable manual P 130 54.1014 50 -0.27 67
GU.STV.HHZ. 2018-05-27T20:51:40.62 0.1 undecidable manual P 133 47.1195 50 -0.32 89
GU.RRL.HHZ. 2018-05-27T20:51:40.13 0.3 undecidable manual P 349 43.2234 50 -0.2 69
GU.BHB.HHZ. 2018-05-27T20:51:40.44 0.3 undecidable manual P 41 43.8228 50 0.01 72
GU.PZZ.HHZ. 2018-05-27T20:51:38.98 0.3 undecidable manual S 101 17.7711 120 -0.27 71
GU.PZZ.HHZ. 2018-05-27T20:51:36.25 0.1 positive manual P 101 17.7711 120 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.RRL.HHE. ML:1.8 0.00022077145 0.4608 AML other m 2018-05-27T20:51:47.63
GU.RRL.HHN. ML:1.8 0.00018291679999999998 0.1792 AML other m 2018-05-27T20:51:46.62
GU.BHB.HHE. ML:1.7 0.00014593365 0.1024 AML other m 2018-05-27T20:51:47.18
GU.BHB.HHN. ML:1.9 0.0002484419 0.2048 AML other m 2018-05-27T20:51:46.16
GU.STV.HHN. ML:1.8 0.00018668515000000002 0.0768 AML other m 2018-05-27T20:51:48.03
GU.STV.HHE. ML:2.0 0.00028737049999999996 0.1536 AML other m 2018-05-27T20:51:48.41
GU.RSP.HHE. ML:1.8 0.0001014173 0.1792 AML other m 2018-05-27T20:51:56.01
GU.RSP.HNE. ML:1.8 0.000096069605 0.1536 AML other m 2018-05-27T20:51:56.02
GU.RSP.HNN. ML:1.8 0.000089741515 0.1408 AML other m 2018-05-27T20:51:56.35
GU.RSP.HHN. ML:1.8 0.00010386229 0.1408 AML other m 2018-05-27T20:51:56.35
IV.IMI.HHE. ML:2.0 0.00009299514000000001 0.1536 AML other m 2018-05-27T20:52:04.41
IV.IMI.HHN. ML:2.3 0.00016304160000000001 0.2176 AML other m 2018-05-27T20:52:04.57
IV.QLNO.HHN. ML:1.9 0.00006001016 0.3968 AML other m 2018-05-27T20:52:08.08
IV.QLNO.HHE. ML:1.8 0.000048978945 0.2048 AML other m 2018-05-27T20:52:08.24
GU.PCP.HHN. ML:1.8 0.00004537355999999999 0.2816 AML other m 2018-05-27T20:52:11.76
GU.PCP.HHE. ML:1.8 0.000045246245000000004 0.256 AML other m 2018-05-27T20:52:13.80
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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