Earthquake with magnitude of ML 1.7 on date 31-03-2020 and time 13:41:40 (UTC) in region Isole Eolie (Messina)

A magnitude ML 1.7 earthquake occured in region: Isole Eolie (Messina), on

  • 31-03-2020 13:41:40 (UTC)
  • 31-03-2020 15:41:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.5, 14.78 at 8 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
Leni ME 7 696 696
Malfa ME 10 982 1678
Santa Marina Salina ME 10 903 2581
Lipari ME 16 12753 15334

Municipalities with at least 50000 inhabitants

An earthquake occurred to
75 Km W of Messina (238439 inhabitants)
87 Km NW of Reggio di Calabria (183035 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 1.7 2020-03-31
13:41:40
38.5 14.78 8 2020-07-18
21:08:33
Bollettino Sismico Italiano INGV 78311781
Reviewed
Rev100
ML 1.8 2020-03-31
13:41:40
38.52 14.8 9 2020-03-31
13:48:20
Sala Sismica INGV-Roma 77729711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-31 13:41:40 ± 0.12
Latitude 38.50 ± 0.01
Longitude 14.78 ± 0.01
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78311781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1186
Semi-minor axis of confidence ellipse (meter) 255
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 25
Circular confidence region, given by single value of horizontal uncertainty (meter) 1190
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 151
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) 0.17267
Epicentral distance of station farthest from the epicenter (degree) 0.90202
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 78311781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-02 23:50:53

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 77729711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-31 13:48:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.AIO.HHZ. 2020-03-31T13:42:02.84 0.6 undecidable manual S 146 0.6349 50 0.34 43
IV.MUCR.HHZ. 2020-03-31T13:41:58.29 0.6 undecidable manual S 171 0.4614 50 0.93 36
IV.PETRA.HHZ. 2020-03-31T13:41:57.18 0.6 undecidable manual P 218 0.8472 50 0.33 41
MN.CEL.HNZ. 2020-03-31T13:41:57.90 0.3 undecidable manual P 105 0.902 50 0.11 64
IV.JOPP.HNN. 2020-03-31T13:41:57.23 0.3 undecidable manual P 83 0.8687 50 0.02 66
IV.MSFR.HHZ. 2020-03-31T13:41:57.68 0.6 undecidable manual S 198 0.4883 50 -0.49 43
IT.RCU.HGZ. 2020-03-31T13:41:55.72 0.6 undecidable manual P 118 0.7887 50 -0.12 44
IV.EPZF.HHZ. 2020-03-31T13:41:55.02 0.6 undecidable manual P 175 0.6772 50 1.09 32
IV.PLLN.EHZ. 2020-03-31T13:41:54.57 0.3 undecidable manual P 225 0.7132 50 0.02 68
IV.ECTS.HHZ. 2020-03-31T13:41:54.35 0.6 undecidable manual P 157 0.6709 50 0.52 41
IV.AIO.HHZ. 2020-03-31T13:41:53.01 0.1 undecidable manual P 146 0.6349 50 -0.2 89
IV.MSRU.HHZ. 2020-03-31T13:41:53.05 0.3 undecidable manual P 112 0.6151 50 0.18 67
IV.IACL.HHZ. 2020-03-31T13:41:53.23 0.6 undecidable manual S 276 0.3363 50 -0.43 45
IV.MSFR.HHZ. 2020-03-31T13:41:50.54 0.3 undecidable manual P 198 0.4883 50 -0.17 69
IV.MUCR.HHZ. 2020-03-31T13:41:49.88 0.1 undecidable manual P 171 0.4614 50 -0.36 89
IV.IVPL.HHZ. 2020-03-31T13:41:48.26 0.6 undecidable manual S 128 0.197 110 -0.31 47
IV.IFIL.HHZ. 2020-03-31T13:41:48.09 0.3 undecidable manual S 292 0.1754 112 0.31 71
IV.IACL.HHZ. 2020-03-31T13:41:47.54 0.3 undecidable manual P 276 0.3363 50 -0.57 65
IV.IVGP.HHZ. 2020-03-31T13:41:47.41 0.6 undecidable manual S 126 0.1727 112 -0.28 48
IV.IVPL.HHZ. 2020-03-31T13:41:45.13 0.1 undecidable manual P 128 0.197 110 -0.04 100
IV.IFIL.HHZ. 2020-03-31T13:41:44.86 0.1 undecidable manual P 292 0.1754 112 0.15 98
IV.IVGP.HHZ. 2020-03-31T13:41:44.67 0.3 undecidable manual P 126 0.1727 112 0.01 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.IFIL.HHN. ML:2 0.000946 0.9 AML other m 2020-03-31T13:41:49.62
IV.IFIL.HHE. ML:2.5 0.00269 0.16 AML other m 2020-03-31T13:41:50.39
IV.IVPL.HHE. ML:1.5 0.000225 0.86 AML other m 2020-03-31T13:41:52.10
IV.ILLI.HHE. ML:0 0.00226 1.18 AML other m 2020-03-31T13:41:53.89
IV.ILLI.HHN. ML:0 0.00211 0.56 AML other m 2020-03-31T13:41:54.02
IV.IACL.HHN. ML:1.9 0.0003215 0.28 AML other m 2020-03-31T13:41:54.43
IV.IACL.HHE. ML:2 0.000419 0.46 AML other m 2020-03-31T13:41:55.37
IV.IVPL.HHN. ML:1.4 0.000201 0.94 AML other m 2020-03-31T13:41:55.55
IV.MSFR.HHE. ML:1.3 4.51E-5 0.42 AML other m 2020-03-31T13:41:59.42
IV.MUCR.HHE. ML:1.6 9.775E-5 0.3 AML other m 2020-03-31T13:41:59.80
IV.MUCR.HHN. ML:2 0.0002885 0.54 AML other m 2020-03-31T13:41:59.56
IV.AIO.HHE. ML:1.6 6.1E-5 1.42 AML other m 2020-03-31T13:42:03.93
IV.MSFR.HHN. ML:1.2 3.84E-5 0.42 AML other m 2020-03-31T13:42:03.70
IV.AIO.HHN. ML:1.7 9.07E-5 1.84 AML other m 2020-03-31T13:42:04.03
IV.PETRA.HHE. ML:1.7 5.355E-5 0.54 AML other m 2020-03-31T13:42:12.23
IV.PETRA.HHN. ML:1.6 4.625E-5 0.46 AML other m 2020-03-31T13:42:17.31
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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