Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 17-10-2020 and time 14:25:35 (Italy) in region 5 km E Cerami (EN)

A magnitude ML 2.2 earthquake occured in region: 5 km E Cerami (EN), on

  • 17-10-2020 12:25:35 (UTC)
  • 17-10-2020 14:25:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8310, 14.5550 at 36 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
Cerami EN 5 2006 2006
Troina EN 6 9373 11379
Capizzi ME 7 3176 14555
San Teodoro ME 13 1403 15958
Gagliano Castelferrato EN 13 3593 19551
Cesarò ME 14 2439 21990
Nicosia EN 16 13899 35889
Sperlinga EN 19 805 36694
Agira EN 19 8345 45039

Municipalities with at least 50000 inhabitants

An earthquake occurred to
57 Km NE of Caltanissetta (63360 inhabitants)
59 Km W of Acireale (52622 inhabitants)
59 Km NW of Catania (314555 inhabitants)
89 Km N of Gela (75827 inhabitants)
96 Km E of Bagheria (55387 inhabitants)
97 Km W of Messina (238439 inhabitants)
98 Km N of Vittoria (63339 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 2.2 2020-10-17
12:25:35		 37.8307 14.5548 36 2021-02-26
14:56:03		 Bollettino Sismico Italiano INGV 84583391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-17 12:25:35 ± 0.15
Latitude 37.8307 ± 0.0099
Longitude 14.5548 ± 0.0171
Depth (km) 36 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84583391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1540
Semi-minor axis of confidence ellipse (meter) 1082
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 262
Circular confidence region, given by single value of horizontal uncertainty (meter) 1540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.98026
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitude information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 84583391
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-11-09 16:25:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAVL.HHZ. 2020-10-17T12:26:06.60 0.3 undecidable manual S 152 108.8133 54 0.41 58
IV.SSY.HHZ. 2020-10-17T12:26:02.00 0.3 undecidable manual S 148 87.5457 54 0.4 61
IV.HAGA.HHZ. 2020-10-17T12:25:59.80 0.3 undecidable manual S 139 80.2641 54 -0.25 63
IV.HLNI.HHZ. 2020-10-17T12:25:55.40 0.3 undecidable manual S 152 60.2952 117 0.03 69
IV.HAVL.HHZ. 2020-10-17T12:25:53.32 0.3 undecidable manual P 152 108.8133 54 0.23 60
IV.SSY.HHZ. 2020-10-17T12:25:50.78 0.1 undecidable manual P 148 87.5457 54 0.34 82
IV.MUCR.HHZ. 2020-10-17T12:25:49.77 0.6 undecidable manual S 50 36.5412 131 -0.29 45
IV.AGST.EHZ. 2020-10-17T12:25:49.92 0.1 undecidable manual P 137 86.9463 54 -0.45 80
IV.CAGR.HHZ. 2020-10-17T12:25:48.35 3.0 undecidable manual P 0
IV.HAGA.HHZ. 2020-10-17T12:25:48.83 0.3 undecidable manual P 139 80.2641 54 -0.72 55
IV.MSFR.HHZ. 2020-10-17T12:25:47.87 0.3 undecidable manual S 8 22.755 145 0.27 71
IV.HLNI.HHZ. 2020-10-17T12:25:46.45 0.3 undecidable manual P 152 60.2952 117 -0.4 64
IV.GALF.HHZ. 2020-10-17T12:25:46.37 0.1 undecidable manual S 176 13.3755 158 -0.03 100
IV.PETRA.HHZ. 2020-10-17T12:25:44.24 0.3 undecidable manual P 271 38.5281 129 0.22 68
IV.MUCR.HHZ. 2020-10-17T12:25:43.89 0.1 positive manual P 50 36.5412 131 0.11 96
IV.PLLN.EHN. 2020-10-17T12:25:43.92 0.3 undecidable manual P 297 40.2264 128 -0.31 69
IV.EPZF.HHZ. 2020-10-17T12:25:43.38 0.3 undecidable manual P 91 26.4513 141 0.68 63
IV.MSFR.HHZ. 2020-10-17T12:25:42.22 0.3 undecidable manual P 8 22.755 145 -0.14 73
IV.GALF.HHZ. 2020-10-17T12:25:41.58 0.1 undecidable manual P 176 13.3755 158 -0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HHE. ML:2.3 0.0007949999999999999 0.56 AML other m 2020-10-17T12:25:46.71
IV.GALF.HHN. ML:2.0 0.00034199999999999996 0.72 AML other m 2020-10-17T12:25:47.36
IV.HAGA.HHE. ML:2.3 0.00021900000000000004 0.3 AML other m 2020-10-17T12:26:00.64
IV.HAGA.HHN. ML:2.1 0.00015999999999999999 0.34 AML other m 2020-10-17T12:26:00.63
IV.AGST.EHE. ML:2.4 0.0002755 1.14 AML other m 2020-10-17T12:26:01.42
IV.AGST.EHN. ML:2.3 0.00021550000000000003 1.6 AML other m 2020-10-17T12:26:02.19
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