Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 1.7 on date 22-04-2020 and time 15:02:17 (UTC) in region Isole Eolie (Messina)

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

  • 22-04-2020 15:02:17 (UTC)
  • 22-04-2020 17:02:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.7840, 15.2320 at 5 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.

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Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
71 Km NW of Messina (238439 inhabitants)
83 Km NW of Reggio di Calabria (183035 inhabitants)
97 Km W of Lamezia Terme (70714 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 		Md 1.7 2020-04-22
15:02:17		 38.7843 15.2322 5 2020-07-18
21:08:42		 Bollettino Sismico Italiano INGV 80978971
Reviewed
Rev200 		ML 1.7 2020-04-22
15:02:18		 38.821 15.202 0 2020-04-22
16:26:10		 Sala Operativa INGV-OE (Catania) 78476181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-22 15:02:17 ± 0.12
Latitude 38.7843 ± 0.0171
Longitude 15.2322 ± 0.0092
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80978971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1928
Semi-minor axis of confidence ellipse (meter) 723
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 353
Circular confidence region, given by single value of horizontal uncertainty (meter) 1930.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.99915
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 78476181
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2020-04-22 16:26:10

Md:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 5
Type of magnitude Md
Reference to an origin 80978971
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-12 13:05:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2020-04-22T15:03:54.15 3.0 undecidable manual Sn -6 0
IV.BRSN.EHZ. 2020-04-22T15:03:45.14 3.0 positive manual Pg 13.47 0
IV.CPGN.EHZ. 2020-04-22T15:03:43.15 3.0 undecidable manual Pg 18.360001 0
IV.VCEL.EHZ. 2020-04-22T15:03:38.70 3.0 undecidable manual Sn -6.16 0
IV.PE3.EHZ. 2020-04-22T15:03:35.35 3.0 undecidable manual Pg 12.72 0
IV.SENI.HNZ. 2020-04-22T15:03:34.23 3.0 negative manual Pg 15.08 0
IV.SGG.HHZ. 2020-04-22T15:03:21.07 3.0 undecidable manual Sg 2.45 0
IV.CAGR.HHZ. 2020-04-22T15:03:05.67 3.0 undecidable manual Sg -0.24 0
IV.CAGR.HHZ. 2020-04-22T15:02:44.09 3.0 undecidable manual Pg 5.6 0
IV.IFIL.HHE. 2020-04-22T15:02:38.23 0.6 undecidable manual S 247 61.8936 50 -0.04 46
IV.MSRU.HHE. 2020-04-22T15:02:38.28 0.6 undecidable manual S 157 62.493 50 -0.16 45
IV.JOPP.HHE. 2020-04-22T15:02:37.52 0.6 undecidable manual S 109 59.8956 50 -0.22 44
IV.PLAC.HHE. 2020-04-22T15:02:36.94 0.3 undecidable manual P 109 110.9001 50 -0.32 59
IV.ILLI.HHE. 2020-04-22T15:02:34.27 3.0 undecidable manual S 0.35 0
IV.GMB.BHE. 2020-04-22T15:02:33.97 0.6 undecidable manual P 143 85.7475 50 0.58 38
MN.CEL.HHE. 2020-04-22T15:02:32.39 0.3 undecidable manual P 135 81.7515 50 -0.37 62
IV.MSRU.HHE. 2020-04-22T15:02:30.13 0.1 undecidable manual P 157 62.493 50 0.33 86
IV.IFIL.HHE. 2020-04-22T15:02:30.05 1.0 undecidable manual P 247 61.8936 50 0.35 21
IV.JOPP.HHE. 2020-04-22T15:02:29.48 0.1 undecidable manual P 109 59.8956 50 0.09 91
IV.ILLI.HHE. 2020-04-22T15:02:27.24 3.0 undecidable manual P 0.05 0
IV.IST3.HHZ. 2020-04-22T15:02:20.00 0.3 undecidable manual S 355 1.6983 162 0.11 75
IV.IST3.HHZ. 2020-04-22T15:02:19.22 0.1 positive manual P 355 1.6983 162 0.13 100
IV.ISTR.HHZ. 2020-04-22T15:02:19.95 0.3 undecidable manual S 274 3.4965 146 -0.22 73
IV.ISTR.HHZ. 2020-04-22T15:02:19.15 0.1 undecidable manual P 274 3.4965 146 -0.1 100
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