Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 26-07-2020 and time 10:24:33 (Italy) in region 9 km NW Milo (CT)

A magnitude ML 1.7 earthquake occured in region: 9 km NW Milo (CT), on

  • 26-07-2020 08:24:33 (UTC)
  • 26-07-2020 10:24:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7660, 15.0290 at 6 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
Milo CT 9 1087 1087
Zafferana Etnea CT 10 9517 10604
Sant'Alfio CT 10 1582 12186
Santa Venerina CT 13 8592 20778
Linguaglossa CT 13 5403 26181
Piedimonte Etneo CT 14 3963 30144
Giarre CT 14 27659 57803
Randazzo CT 15 10900 68703
Mascali CT 15 14282 82985
Moio Alcantara ME 15 717 83702
Castiglione di Sicilia CT 16 3215 86917
Riposto CT 16 14838 101755
Maletto CT 16 3920 105675
Fiumefreddo di Sicilia CT 16 9623 115298
Pedara CT 17 14102 129400
Nicolosi CT 17 7463 136863
Ragalna CT 17 3924 140787
Trecastagni CT 17 10910 151697
Malvagna ME 17 733 152430
Bronte CT 17 19172 171602
Santa Domenica Vittoria ME 18 980 172582
Francavilla di Sicilia ME 18 3945 176527
Viagrande CT 18 8563 185090
Calatabiano CT 19 5308 190398
Roccella Valdemone ME 19 666 191064
Motta Camastra ME 19 845 191909
Biancavilla CT 20 24007 215916
Aci Sant'Antonio CT 20 17984 233900
Belpasso CT 20 28108 262008
Aci Bonaccorsi CT 20 3524 265532
Gaggi ME 20 3184 268716

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of Acireale (52622 inhabitants)
30 Km N of Catania (314555 inhabitants)
66 Km SW of Reggio di Calabria (183035 inhabitants)
66 Km SW of Messina (238439 inhabitants)
82 Km N of Siracusa (122291 inhabitants)
90 Km E of Caltanissetta (63360 inhabitants)
97 Km N of Ragusa (73313 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 2020-07-26
08:24:33		 37.7662 15.029 6 2020-11-19
12:36:55		 Bollettino Sismico Italiano INGV 81649661
Reviewed
Rev200 		ML 1.4 2020-07-26
08:24:32		 37.759 15.029 5 2020-09-18
13:28:23		 Sala Operativa INGV_OE (Catania) 81361821
Reviewed
Rev200 		ML 1.4 2020-07-26
08:24:32		 37.755 15.034 5 2020-09-18
13:28:02		 Sala Operativa INGV_OE (Catania) 81368701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-26 08:24:33 ± 0.06
Latitude 37.7662 ± 0.0036
Longitude 15.0290 ± 0.0034
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 81649661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 368
Semi-minor axis of confidence ellipse (meter) 193
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 171
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.02518
Epicentral distance of station farthest from the epicenter (degree) 0.30217
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:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations 9
Type of magnitude ML
Reference to an origin 81649661
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-10 08:21:30

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 81368701
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2020-07-26 13:10:08

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 81361821
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2020-07-26 08:45:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MUCR.HHE. 2020-07-26T08:24:39.74 0.6 undecidable manual P 336 33.5442 93 -0.04 48
IV.EPZF.HHZ. 2020-07-26T08:24:39.09 0.3 undecidable manual S 293 16.3725 97 -0.24 70
IV.AIO.HHZ. 2020-07-26T08:24:38.81 0.3 undecidable manual P 38 28.9488 93 -0.14 71
IV.ESLN.HHZ. 2020-07-26T08:24:37.14 0.6 undecidable manual S 211 9.3795 107 -0.06 49
IV.EMSG.HHZ. 2020-07-26T08:24:37.16 0.3 undecidable manual S 311 9.1797 107 0.01 75
IV.EPOZ.HNZ. 2020-07-26T08:24:37.28 0.3 undecidable manual P 127 17.4714 96 0.38 68
IV.ECHR.HHE. 2020-07-26T08:24:36.28 1.0 undecidable manual P 229 13.4754 99 0.08 24
IV.ENIC.HHZ. 2020-07-26T08:24:36.74 0.6 undecidable manual P 182 14.9739 98 0.28 47
IV.EPZF.HHZ. 2020-07-26T08:24:36.95 0.1 undecidable manual P 293 16.3725 97 0.24 94
IV.ECTS.HHZ. 2020-07-26T08:24:36.35 0.3 undecidable manual P 32 15.1737 98 -0.15 72
IV.EFIU.HHE. 2020-07-26T08:24:36.62 0.3 undecidable manual P 81 16.0728 97 -0.04 74
IV.EPIT.HHZ. 2020-07-26T08:24:36.32 0.6 undecidable manual S 26 5.5944 125 0.19 48
IV.EVRN.HHZ. 2020-07-26T08:24:35.77 0.1 undecidable manual P 132 12.6762 100 -0.28 94
IV.EMCN.HHZ. 2020-07-26T08:24:35.68 0.3 undecidable manual S 8 2.7972 148 0.15 74
IV.ESLN.HHZ. 2020-07-26T08:24:35.29 0.1 undecidable manual P 211 9.3795 107 -0.19 96
IV.ECBD.HHZ. 2020-07-26T08:24:35.91 0.6 undecidable manual S 73 5.2947 127 -0.14 49
IV.EMSG.HHZ. 2020-07-26T08:24:35.63 0.1 undecidable manual P 311 9.1797 107 0.18 96
IV.ECBD.HHZ. 2020-07-26T08:24:34.80 0.1 undecidable manual P 73 5.2947 127 -0.01 100
IV.EPIT.HHZ. 2020-07-26T08:24:34.81 0.3 undecidable manual P 26 5.5944 125 -0.05 74
IV.EMCN.HHZ. 2020-07-26T08:24:34.56 0.6 positive manual P 8 2.7972 148 0.05 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESLN.HHN. ML:1.7 0.0008427405 0.5184 AML other m 2020-07-26T08:24:39.20
IV.EVRN.HNE. ML:1.6 0.00047250185 0.1792 AML other m 2020-07-26T08:24:39.47
IV.EVRN.HHE. ML:1.7 0.0006649256999999999 0.16 AML other m 2020-07-26T08:24:39.47
IV.ESLN.HHE. ML:1.7 0.0009226242 0.7552 AML other m 2020-07-26T08:24:39.04
IV.ENIC.HHN. ML:1.7 0.00063482995 0.3008 AML other m 2020-07-26T08:24:41.73
IV.ENIC.HNN. ML:1.7 0.0006318708499999999 0.2688 AML other m 2020-07-26T08:24:41.61
IV.EPZF.HHE. ML:1.6 0.00043122554999999995 0.32 AML other m 2020-07-26T08:24:42.00
IV.ENIC.HHE. ML:1.8 0.0006695831999999999 0.2432 AML other m 2020-07-26T08:24:42.16
IV.EPZF.HHN. ML:1.7 0.00054742965 0.3008 AML other m 2020-07-26T08:24:43.40
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