Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 12-02-2020 and time 18:05:37 (UTC) in region 11 km S San Fratello (ME)

A magnitude ML 1.7 earthquake occured in region: 11 km S San Fratello (ME), on

  • 12-02-2020 18:05:37 (UTC)
  • 12-02-2020 19:05:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.9150, 14.5900 at 9 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
San Fratello ME 11 3707 3707
San Teodoro ME 12 1403 5110
Capizzi ME 12 3176 8286
Cesarò ME 13 2439 10725
Cerami EN 14 2006 12731
Troina EN 14 9373 22104
Alcara li Fusi ME 15 1980 24084
Acquedolci ME 16 5744 29828
Militello Rosmarino ME 17 1324 31152
Sant'Agata di Militello ME 18 12624 43776
Caronia ME 18 3364 47140
Longi ME 19 1473 48613

Municipalities with at least 50000 inhabitants

An earthquake occurred to
61 Km NW of Acireale (52622 inhabitants)
63 Km NW of Catania (314555 inhabitants)
66 Km NE of Caltanissetta (63360 inhabitants)
90 Km W of Messina (238439 inhabitants)
95 Km W of Reggio di Calabria (183035 inhabitants)
96 Km E of Bagheria (55387 inhabitants)
99 Km N of Gela (75827 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 2020-02-12
18:05:37		 37.9152 14.5903 9 2020-07-18
21:08:26		 Bollettino Sismico Italiano INGV 77236181
Reviewed
Rev100 		ML 1.7 2020-02-12
18:05:38		 37.912 14.5915 8 2020-02-12
18:38:03		 Sala Sismica INGV-Roma 76467251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-12 18:05:37 ± 0.07
Latitude 37.9152 ± 0.0036
Longitude 14.5903 ± 0.0057
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77236181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 476
Semi-minor axis of confidence ellipse (meter) 227
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 279
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.64841
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 77236181
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-13 12:26:03

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 76467251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-12 18:38:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SPS2.HHZ. 2020-02-12T18:06:10.83 3.0 negative manual Pg 4.41 0
IV.AIO.HHZ. 2020-02-12T18:05:55.90 0.3 undecidable manual S 83 56.5989 50 -0.04 73
IV.MFNL.HHZ. 2020-02-12T18:05:55.86 3.0 undecidable manual Pg 2.91 0
IV.CRJA.HHZ. 2020-02-12T18:05:51.87 3.0 undecidable manual Pg -0.18 0
IV.MPNC.HHZ. 2020-02-12T18:05:50.45 0.6 undecidable manual P 69 71.373 50 -0.14 46
IV.IFIL.HHN. 2020-02-12T18:05:50.80 0.6 undecidable manual P 359 71.9724 50 0.12 47
IV.IACL.HHE. 2020-02-12T18:05:50.43 0.3 undecidable manual P 343 71.5728 50 -0.18 69
IV.IVPL.HNE. 2020-02-12T18:05:49.11 0.1 undecidable manual P 33 61.3941 50 0.06 96
IV.IVGP.HHN. 2020-02-12T18:05:48.98 0.1 undecidable manual P 31 62.3931 50 -0.22 93
IV.MUCR.HHZ. 2020-02-12T18:05:48.24 0.6 undecidable manual S 60 28.5492 107 0.01 52
IV.AIO.HHZ. 2020-02-12T18:05:47.87 0.6 undecidable manual P 83 56.5989 50 -0.43 45
IV.PETRA.HHZ. 2020-02-12T18:05:46.27 0.6 undecidable manual P 258 42.624 50 0.12 49
IV.ESML.HHE. 2020-02-12T18:05:46.33 0.6 undecidable manual P 142 41.5251 50 0.34 47
IV.GALF.HHZ. 2020-02-12T18:05:46.24 0.3 undecidable manual S 185 22.755 111 -0.1 77
IV.EPIT.HHN. 2020-02-12T18:05:46.16 0.1 undecidable manual P 106 42.4242 50 0.04 100
IV.ECHR.HHE. 2020-02-12T18:05:45.78 0.6 undecidable manual P 132 38.0286 50 0.34 47
IV.PLLN.EHZ. 2020-02-12T18:05:45.64 0.6 undecidable manual P 283 40.0266 50 -0.12 49
IV.EMSG.HHN. 2020-02-12T18:05:44.95 0.1 undecidable manual P 108 33.1446 50 0.25 97
IV.MSFR.HHZ. 2020-02-12T18:05:43.44 0.3 undecidable manual S 0 13.1757 124 0.09 78
IV.EPZF.HHZ. 2020-02-12T18:05:43.58 0.6 undecidable manual P 113 25.4523 109 0.32 49
IV.MUCR.HHZ. 2020-02-12T18:05:43.49 0.1 positive manual P 60 28.5492 107 -0.36 96
IV.GALF.HHZ. 2020-02-12T18:05:42.46 0.3 undecidable manual P 185 22.755 111 -0.3 74
IV.MSFR.HHZ. 2020-02-12T18:05:41.34 0.1 positive manual P 0 13.1757 124 0.3 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MSFR.HHE. ML:1.4 0.000273 0.56 AML other m 2020-02-12T18:05:44.68
IV.MSFR.HHN. ML:1.3 0.0002185 1.22 AML other m 2020-02-12T18:05:48.00
IV.MUCR.HHN. ML:1.8 0.000358 0.58 AML other m 2020-02-12T18:05:48.43
IV.MUCR.HHE. ML:1.9 0.00040449999999999997 0.34 AML other m 2020-02-12T18:05:50.67
IV.EPZF.HHE. ML:1.8 0.000422 0.42 AML other m 2020-02-12T18:05:51.30
IV.EPZF.HHN. ML:1.9 0.0004465 0.74 AML other m 2020-02-12T18:05:52.28
IV.AIO.HHN. ML:1.7 0.0001051 0.24 AML other m 2020-02-12T18:05:56.60
IV.AIO.HHE. ML:1.6 0.00009485 0.46 AML other m 2020-02-12T18:06:01.52
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