Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 05-05-2020 and time 04:58:33 (Italy) in region 6 km W Motta Sant'Anastasia (CT)

A magnitude ML 1.4 earthquake occured in region: 6 km W Motta Sant'Anastasia (CT), on

  • 05-05-2020 02:58:33 (UTC)
  • 05-05-2020 04:58:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.5020, 14.9040 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
Motta Sant'Anastasia CT 6 12116 12116
Paternò CT 9 48228 60344
Misterbianco CT 9 49410 109754
Camporotondo Etneo CT 12 5023 114777
Belpasso CT 12 28108 142885
Santa Maria di Licodia CT 13 7641 150526
San Pietro Clarenza CT 13 7743 158269
Ragalna CT 15 3924 162193
Mascalucia CT 16 31958 194151
Gravina di Catania CT 16 25838 219989
Biancavilla CT 16 24007 243996
Catania CT 16 314555 558551
Nicolosi CT 17 7463 566014
Sant'Agata li Battiati CT 17 9479 575493
Tremestieri Etneo CT 17 20589 596082
San Giovanni la Punta CT 19 23060 619142
Adrano CT 19 36122 655264
Pedara CT 19 14102 669366
San Gregorio di Catania CT 20 11966 681332
Centuripe EN 20 5470 686802

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km W of Catania (314555 inhabitants)
26 Km SW of Acireale (52622 inhabitants)
60 Km NW of Siracusa (122291 inhabitants)
66 Km N of Ragusa (73313 inhabitants)
69 Km NE of Vittoria (63339 inhabitants)
72 Km N of Modica (54633 inhabitants)
74 Km E of Caltanissetta (63360 inhabitants)
75 Km NE of Gela (75827 inhabitants)
94 Km SW of Reggio di Calabria (183035 inhabitants)
96 Km SW of Messina (238439 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 1.4 2020-05-05
02:58:33		 37.5017 14.9035 11 2020-11-19
12:36:44		 Bollettino Sismico Italiano INGV 79071141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-05 02:58:33 ± 0.11
Latitude 37.5017 ± 0.0063
Longitude 14.9035 ± 0.0125
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 79071141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1069
Semi-minor axis of confidence ellipse (meter) 660
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 278
Circular confidence region, given by single value of horizontal uncertainty (meter) 1070.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 143
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.11781
Epicentral distance of station farthest from the epicenter (degree) 0.51261
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 79071141
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-12 07:44:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2020-05-05T02:58:47.53 0.3 undecidable manual S 158 41.0256 50 0.71 61
IV.MEU.EHZ. 2020-05-05T02:58:47.65 0.3 undecidable manual S 189 43.8228 50 0.08 72
IV.AGST.EHZ. 2020-05-05T02:58:46.51 0.3 undecidable manual S 134 39.4272 50 0.12 72
IV.HAGA.HHZ. 2020-05-05T02:58:44.75 0.1 undecidable manual S 137 32.6451 50 0.15 96
IV.RAFF.HHZ. 2020-05-05T02:58:43.69 0.1 positive manual P 237 56.8986 50 0.11 93
IV.SSY.HHZ. 2020-05-05T02:58:41.03 0.1 negative manual P 158 41.0256 50 -0.1 96
IV.MEU.EHZ. 2020-05-05T02:58:41.16 0.1 undecidable manual P 189 43.8228 50 -0.4 89
IV.HLNI.HHZ. 2020-05-05T02:58:40.50 0.1 undecidable manual S 189 17.1717 122 0.09 100
IV.AGST.EHZ. 2020-05-05T02:58:40.56 0.1 negative manual P 134 39.4272 50 -0.32 92
IV.HAGA.HHZ. 2020-05-05T02:58:39.54 0.1 negative manual P 137 32.6451 50 -0.31 93
IV.ESML.HHZ. 2020-05-05T02:58:39.30 0.3 undecidable manual S 351 13.0758 130 0.05 76
IV.HLNI.HHZ. 2020-05-05T02:58:37.28 0.1 negative manual P 189 17.1717 122 -0.15 99
IV.ESML.HHZ. 2020-05-05T02:58:36.99 0.1 undecidable manual P 351 13.0758 130 0.23 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HAGA.HHN. ML:1.2 0.00007000000000000001 1.1 AML other m 2020-05-05T02:58:49.40
IV.HLNI.HHN. ML:1.2 0.0001445 1.26 AML other m 2020-05-05T02:58:41.84
IV.HAGA.HHE. ML:1.3 0.00008405000000000001 1.38 AML other m 2020-05-05T02:58:45.11
IV.AGST.EHE. ML:1.8 0.00021650000000000003 0.28 AML other m 2020-05-05T02:58:46.95
IV.AGST.EHN. ML:1.8 0.000209 0.36 AML other m 2020-05-05T02:58:46.96
IV.MEU.EHE. ML:1.4 0.00008165 1.74 AML other m 2020-05-05T02:58:48.87
IV.MEU.EHN. ML:1.4 0.00007805000000000001 0.46 AML other m 2020-05-05T02:58:48.45
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