Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 17-02-2021 and time 04:17:03 (Italy) in region Costa Siciliana nord orientale (Messina)

A magnitude ML 1.3 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 17-02-2021 03:17:03 (UTC)
  • 17-02-2021 04:17:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.3790, 14.6040 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.

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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
86 Km W of Messina (238439 inhabitants)
96 Km W of Reggio di Calabria (183035 inhabitants)
98 Km NW of Acireale (52622 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 1.3 2021-02-17
03:17:03		 38.3793 14.6037 11 2021-07-12
16:54:59		 Bollettino Sismico Italiano INGV 87294831
Reviewed
Rev100 		ML 2.0 2021-02-17
03:17:03		 38.3595 14.6058 18 2021-02-17
03:27:50		 Sala Sismica INGV-Roma 87226171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-02-17 03:17:03 ± 0.18
Latitude 38.3793 ± 0.0126
Longitude 14.6037 ± 0.0103
Depth (km) 11 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87294831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1453
Semi-minor axis of confidence ellipse (meter) 463
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 331
Circular confidence region, given by single value of horizontal uncertainty (meter) 1450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
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) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.18616
Epicentral distance of station farthest from the epicenter (degree) 0.80220
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:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 87294831
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-09 08:32:12

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 87226171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-02-17 03:27:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPNC.HHN. 2021-02-17T03:17:25.36 0.6 undecidable manual S 111 70.1742 50 0.77 50
IV.CSLB.HHZ. 2021-02-17T03:17:24.06 0.6 undecidable manual S 224 68.376 50 -0.04 61
IV.SCIAR.HNE. 2021-02-17T03:17:18.57 0.3 undecidable manual P 237 89.0442 50 0.09 87
IV.MUCR.HHZ. 2021-02-17T03:17:17.40 0.6 undecidable manual S 148 44.1225 50 -0.23 61
IV.MPNC.HHN. 2021-02-17T03:17:16.21 0.3 undecidable manual P 111 70.1742 50 0.63 79
IV.AIO.HHE. 2021-02-17T03:17:16.46 0.6 undecidable manual P 129 71.1732 50 0.73 50
IV.GIB.HHE. 2021-02-17T03:17:15.37 0.3 undecidable manual P 230 66.378 50 0.38 86
IV.MSFR.HHZ. 2021-02-17T03:17:15.55 0.6 undecidable manual S 182 38.3283 50 -0.54 58
IV.CSLB.HHZ. 2021-02-17T03:17:15.49 0.3 undecidable manual P 224 68.376 50 0.19 89
IV.IVGP.HHZ. 2021-02-17T03:17:14.15 0.3 undecidable manual S 86 31.1466 50 -0.01 99
IV.NOV.HHZ. 2021-02-17T03:17:14.13 0.3 undecidable manual P 130 60.6948 50 0.02 93
IV.IVUG.HHZ. 2021-02-17T03:17:14.27 0.3 undecidable manual S 87 33.2445 50 -0.47 89
IV.IVPL.HHZ. 2021-02-17T03:17:14.29 0.6 undecidable manual S 90 32.745 50 -0.31 62
IV.PLLN.EHN. 2021-02-17T03:17:13.78 0.3 undecidable manual P 223 58.7967 50 -0.04 93
IV.MUCR.HHZ. 2021-02-17T03:17:11.29 0.3 undecidable manual P 148 44.1225 50 -0.28 91
IV.MSFR.HHZ. 2021-02-17T03:17:10.14 0.3 undecidable manual P 182 38.3283 50 -0.53 87
IV.IFIL.HHZ. 2021-02-17T03:17:10.98 0.6 undecidable manual S 353 20.6682 117 -0.33 63
IV.IVUG.HHZ. 2021-02-17T03:17:09.91 0.3 undecidable manual P 87 33.2445 50 0.01 98
IV.IVPL.HHZ. 2021-02-17T03:17:09.94 0.3 undecidable manual P 90 32.745 50 0.13 96
IV.IVGP.HHZ. 2021-02-17T03:17:09.43 0.3 undecidable manual P 86 31.1466 50 -0.13 96
IV.ILOS.HHZ. 2021-02-17T03:17:09.80 0.3 undecidable manual P 76 30.8469 50 0.28 93
IV.IFIL.HHZ. 2021-02-17T03:17:07.88 0.3 undecidable manual P 353 20.6682 117 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.IFIL.HHE. ML:1.8 0.0004557543 0.1984 AML other m 2021-02-17T03:17:11.48
IV.IFIL.HHN. ML:1.4 0.00019309860000000001 1.88 AML other m 2021-02-17T03:17:11.63
IV.IVPL.HHN. ML:1.4 0.00010768255 0.6592 AML other m 2021-02-17T03:17:14.58
IV.MSFR.HHE. ML:1.1 0.000048446685000000004 1.2208 AML other m 2021-02-17T03:17:14.61
IV.MSFR.HHN. ML:0.9 0.00002767668 1.48 AML other m 2021-02-17T03:17:14.71
IV.IVPL.HHE. ML:1.5 0.0001430468 1.44 AML other m 2021-02-17T03:17:14.02
IV.MUCR.HHN. ML:1.3 0.000053246105 0.76 AML other m 2021-02-17T03:17:17.09
IV.MUCR.HHE. ML:1.1 0.00003740585 0.96 AML other m 2021-02-17T03:17:17.80
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
Waveforms Seismic signals in miniseed + resp format Download