Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 18-05-2021 and time 14:41:49 (UTC) in region 10 km E Catenanuova (EN)

A magnitude ML 2.0 earthquake occured in region: 10 km E Catenanuova (EN), on

  • 18-05-2021 14:41:49 (UTC)
  • 18-05-2021 16:41:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.5320, 14.7960 at 4 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Catenanuova EN 10 4866 4866
Paternò CT 11 48228 53094
Centuripe EN 11 5470 58564
Santa Maria di Licodia CT 13 7641 66205
Castel di Iudica CT 14 4625 70830
Biancavilla CT 14 24007 94837
Adrano CT 15 36122 130959
Motta Sant'Anastasia CT 16 12116 143075
Ragalna CT 17 3924 146999
Belpasso CT 17 28108 175107
Ramacca CT 19 10894 186001
Misterbianco CT 19 49410 235411
Camporotondo Etneo CT 19 5023 240434
Regalbuto EN 19 7277 247711

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km W of Catania (314555 inhabitants)
34 Km W of Acireale (52622 inhabitants)
65 Km E of Caltanissetta (63360 inhabitants)
68 Km N of Ragusa (73313 inhabitants)
68 Km NW of Siracusa (122291 inhabitants)
69 Km NE of Vittoria (63339 inhabitants)
71 Km NE of Gela (75827 inhabitants)
75 Km N of Modica (54633 inhabitants)
98 Km SW of Reggio di Calabria (183035 inhabitants)
100 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 2.0 2021-05-18
14:41:49		 37.5318 14.796 5 2021-12-29
11:12:06		 Bollettino Sismico Italiano INGV 91676711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-18 14:41:49 ± 0.31
Latitude 37.5318 ± 0.0207
Longitude 14.7960 ± 0.0147
Depth (km) 5 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 91676711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2112
Semi-minor axis of confidence ellipse (meter) 1353
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 358
Circular confidence region, given by single value of horizontal uncertainty (meter) 2110.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 107
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.10882
Epicentral distance of station farthest from the epicenter (degree) 0.62773
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 91676711
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-08-02 14:11:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAVL.HHZ. 2021-05-18T14:42:02.51 0.3 undecidable manual P 156 69.6747 50 0.16 85
IV.AIO.HHE. 2021-05-18T14:42:00.68 0.3 undecidable manual P 38 61.9935 50 -0.49 80
IV.ECZM.HHZ. 2021-05-18T14:41:59.17 0.6 undecidable manual S 23 24.0537 101 1.32 40
IV.RAFF.HHZ. 2021-05-18T14:41:59.72 0.3 undecidable manual P 228 51.4152 50 0.19 87
IV.GALF.HHZ. 2021-05-18T14:41:58.96 0.6 undecidable manual S 315 28.2495 99 -0.34 59
IV.ESLN.HHZ. 2021-05-18T14:41:58.41 0.6 undecidable manual S 41 23.8539 101 0.65 54
IV.ECHR.HNZ. 2021-05-18T14:41:57.17 0.6 undecidable manual S 31 19.9689 103 0.71 53
IV.EMSG.HHN. 2021-05-18T14:41:56.50 0.6 undecidable manual P 23 34.8429 97 0.12 61
IV.CAGR.HHZ. 2021-05-18T14:41:56.51 0.3 undecidable manual P 291 27.8499 99 1.5 53
IV.ESVO.HHZ. 2021-05-18T14:41:56.00 0.6 undecidable manual P 26 29.8479 99 0.6 55
IV.EPZF.HHZ. 2021-05-18T14:41:55.96 0.3 undecidable manual P 9 32.8449 98 -0.04 93
IV.ESPC.HHZ. 2021-05-18T14:41:55.14 0.3 undecidable manual P 49 27.0507 100 0.3 89
IV.GALF.HHZ. 2021-05-18T14:41:54.49 0.3 undecidable manual P 315 28.2495 99 -0.61 82
IV.ESLN.HHZ. 2021-05-18T14:41:54.08 0.3 undecidable manual P 41 23.8539 101 -0.13 93
IV.ESML.HHZ. 2021-05-18T14:41:53.60 0.6 undecidable manual S 37 12.0768 111 -0.22 62
IV.ECZM.HHZ. 2021-05-18T14:41:53.77 0.3 undecidable manual P 23 24.0537 101 -0.49 86
IV.EMPL.HHZ. 2021-05-18T14:41:53.94 0.3 undecidable manual P 43 22.3554 101 0.01 95
IV.ECHR.HNZ. 2021-05-18T14:41:53.06 0.3 undecidable manual P 31 19.9689 103 -0.4 88
IV.ESML.HHZ. 2021-05-18T14:41:51.05 0.1 undecidable manual P 37 12.0768 111 -0.88 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESML.HHN. ML:2.2 0.0020800000000000003 0.32 AML other m 2021-05-18T14:41:54.21
IV.ESML.HNN. ML:2.1 0.001947892 0.3072 AML other m 2021-05-18T14:41:54.21
IV.ESML.HHE. ML:2.0 0.0015588715 0.1792 AML other m 2021-05-18T14:41:55.49
IV.ESML.HNE. ML:2.0 0.001276029 0.16 AML other m 2021-05-18T14:41:55.49
IV.GALF.HHN. ML:1.9 0.00039400000000000004 0.34 AML other m 2021-05-18T14:42:02.45
IV.EMPL.HHE. ML:2.1 0.0010119607 0.2624 AML other m 2021-05-18T14:42:02.73
IV.EMPL.HHN. ML:2.3 0.0014087325000000002 0.2368 AML other m 2021-05-18T14:42:03.78
IV.GALF.HHE. ML:1.9 0.00039414115 0.5824 AML other m 2021-05-18T14:42:07.30
IV.EPZF.HHE. ML:1.7 0.00021419684999999999 0.544 AML other m 2021-05-18T14:42:07.67
IV.EPZF.HHN. ML:1.7 0.00022037990000000002 0.3968 AML other m 2021-05-18T14:42:09.15
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