Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 13-08-2020 and time 12:20:13 (Italy) in region Costa Siciliana nord orientale (Messina)

A magnitude ML 1.6 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 13-08-2020 10:20:13 (UTC)
  • 13-08-2020 12:20:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.1860, 15.0950 at 11 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Oliveri ME 7 2181 2181
Falcone ME 8 2808 4989
Terme Vigliatore ME 8 7395 12384
Furnari ME 9 3784 16168
Rodì Milici ME 11 2056 18224
Mazzarrà Sant'Andrea ME 11 1531 19755
Barcellona Pozzo di Gotto ME 12 41583 61338
Patti ME 12 13431 74769
Merì ME 13 2338 77107
Milazzo ME 14 31646 108753
Basicò ME 14 612 109365
Castroreale ME 14 2504 111869
Montagnareale ME 14 1615 113484
Tripi ME 15 873 114357
Librizzi ME 15 1660 116017
San Filippo del Mela ME 16 7115 123132
Santa Lucia del Mela ME 17 4650 127782
Gioiosa Marea ME 18 7074 134856
Pace del Mela ME 19 6239 141095
San Piero Patti ME 19 2915 144010
Novara di Sicilia ME 19 1337 145347
Montalbano Elicona ME 19 2287 147634
Gualtieri Sicaminò ME 20 1807 149441

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km W of Messina (238439 inhabitants)
49 Km W of Reggio di Calabria (183035 inhabitants)
64 Km N of Acireale (52622 inhabitants)
76 Km N of Catania (314555 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 1.6 2020-08-13
10:20:13		 38.1857 15.0952 11 2020-11-19
12:37:05		 Bollettino Sismico Italiano INGV 84060321
Reviewed
Rev100 		ML 1.6 2020-08-13
10:20:13		 38.1855 15.0965 11 2020-08-13
10:27:03		 Sala Sismica INGV-Roma 81938321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-13 10:20:13 ± 0.12
Latitude 38.1857 ± 0.0045
Longitude 15.0952 ± 0.0069
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84060321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 583
Semi-minor axis of confidence ellipse (meter) 393
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 72
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.63132
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 81938321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-13 10:27:03

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 84060321
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-23 16:09:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.CEL.HNZ. 2020-08-13T10:20:24.99 0.6 undecidable manual P 83 70.0743 50 -0.46 42
IV.IST3.HHZ. 2020-08-13T10:20:24.00 3.0 undecidable manual P -1.76 0
IV.MTTG.HHE. 2020-08-13T10:20:23.71 0.3 undecidable manual P 111 56.499 50 0.35 66
IV.MPNC.HHZ. 2020-08-13T10:20:22.05 0.3 undecidable manual S 101 22.8549 50 0.22 72
IV.AIO.HHZ. 2020-08-13T10:20:22.45 0.3 undecidable manual S 153 26.6511 50 -0.39 68
IV.IVPL.HHZ. 2020-08-13T10:20:22.09 0.3 undecidable manual S 335 23.3544 50 0.12 73
IV.IVGP.HHZ. 2020-08-13T10:20:22.30 0.3 undecidable manual S 333 26.1516 50 -0.41 68
IV.IVUG.HHZ. 2020-08-13T10:20:22.16 0.3 undecidable manual S 338 25.1526 50 -0.29 70
IV.MUCR.HHZ. 2020-08-13T10:20:22.52 0.3 undecidable manual S 231 24.9528 50 0.13 73
IV.MSFR.HHZ. 2020-08-13T10:20:21.55 0.3 undecidable manual P 249 47.1195 50 -0.35 67
IV.MSRU.HHZ. 2020-08-13T10:20:20.22 0.3 undecidable manual P 76 37.0296 50 -0.14 71
IV.ECTS.HHZ. 2020-08-13T10:20:20.37 0.3 undecidable manual P 176 33.744 50 0.52 66
IV.NOV.HHZ. 2020-08-13T10:20:20.19 0.3 undecidable manual S 168 17.871 121 -0.21 72
IV.IVGP.HHZ. 2020-08-13T10:20:19.06 0.3 undecidable manual P 333 26.1516 50 0.38 69
IV.IVUG.HHZ. 2020-08-13T10:20:18.64 0.3 undecidable manual P 338 25.1526 50 0.11 73
IV.MUCR.HHZ. 2020-08-13T10:20:18.56 0.3 undecidable manual P 231 24.9528 50 0.06 74
IV.MPNC.HHZ. 2020-08-13T10:20:18.12 0.1 positive manual P 101 22.8549 50 -0.05 99
IV.AIO.HHZ. 2020-08-13T10:20:18.72 0.3 undecidable manual P 153 26.6511 50 -0.04 74
IV.IVPL.HHZ. 2020-08-13T10:20:18.54 0.3 positive manual P 335 23.3544 50 0.28 70
IV.NOV.HHZ. 2020-08-13T10:20:17.38 0.1 positive manual P 168 17.871 121 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NOV.HHN. ML:1.5 0.0002609134 0.1216 AML other m 2020-08-13T10:20:20.93
IV.NOV.HHE. ML:1.9 0.00063304275 0.3008 AML other m 2020-08-13T10:20:21.03
IV.MPNC.HHE. ML:1.8 0.00040810575 0.1984 AML other m 2020-08-13T10:20:22.36
IV.MPNC.HHN. ML:1.7 0.0003040934 0.256 AML other m 2020-08-13T10:20:22.36
IV.IVPL.HHE. ML:1.9 0.0004886485 0.4224 AML other m 2020-08-13T10:20:23.80
IV.IVPL.HHN. ML:1.9 0.0005199711500000001 0.4224 AML other m 2020-08-13T10:20:24.23
IV.MUCR.HHE. ML:1.0 0.000054665185 0.2176 AML other m 2020-08-13T10:20:22.88
IV.MUCR.HHN. ML:1.3 0.00012015165 0.3392 AML other m 2020-08-13T10:20:22.90
IV.AIO.HHN. ML:1.8 0.0003855252 0.1792 AML other m 2020-08-13T10:20:23.02
IV.AIO.HHE. ML:1.5 0.00017431975 0.1408 AML other m 2020-08-13T10:20:23.29
IV.MSRU.HHE. ML:1.4 0.0001024422 0.2176 AML other m 2020-08-13T10:20:26.12
IV.MSRU.HHN. ML:1.3 0.00008218617 0.16 AML other m 2020-08-13T10:20:26.21
IV.MSFR.HHE. ML:0.7 0.0000163911125 0.16 AML other m 2020-08-13T10:20:29.81
IV.MSFR.HHN. ML:0.7 0.000015553263 0.3008 AML other m 2020-08-13T10:20:29.69
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