Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 11-06-2021 and time 19:49:53 (Italy) in region Stretto di Messina (Reggio di Calabria, Messina)

A magnitude ML 1.1 earthquake occured in region: Stretto di Messina (Reggio di Calabria, Messina), on

  • 11-06-2021 17:49:53 (UTC)
  • 11-06-2021 19:49:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8770, 15.4750 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.

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
Santa Teresa di Riva ME 12 9377 9377
Sant'Alessio Siculo ME 12 1554 10931
Furci Siculo ME 13 3382 14313
Forza d'Agrò ME 13 911 15224
Roccalumera ME 13 4141 19365
Nizza di Sicilia ME 14 3667 23032
Savoca ME 15 1732 24764
Letojanni ME 15 2861 27625
Alì Terme ME 15 2539 30164
Pagliara ME 16 1170 31334
Casalvecchio Siculo ME 16 842 32176
Gallodoro ME 16 367 32543
Taormina ME 17 10960 43503
Alì ME 18 768 44271
Castelmola ME 18 1088 45359
Giardini-Naxos ME 18 9415 54774
Mongiuffi Melia ME 18 600 55374
Fiumedinisi ME 18 1409 56783
Scaletta Zanclea ME 19 2140 58923
Roccafiorita ME 19 197 59120
Limina ME 19 836 59956
Itala ME 20 1640 61596
Mandanici ME 20 601 62197

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km SW of Reggio di Calabria (183035 inhabitants)
36 Km S of Messina (238439 inhabitants)
40 Km NE of Acireale (52622 inhabitants)
54 Km NE of Catania (314555 inhabitants)
92 Km N of Siracusa (122291 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 1.1 2021-06-11
17:49:53		 37.8773 15.4752 11 2021-12-29
11:12:38		 Bollettino Sismico Italiano INGV 96732741
Reviewed
Rev100 		ML 1.1 2021-06-11
17:49:53		 37.8958 15.4822 10 2021-06-11
18:09:48		 Sala Sismica INGV-Roma 91111941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-11 17:49:53 ± 0.17
Latitude 37.8773 ± 0.0099
Longitude 15.4752 ± 0.0068
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96732741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1110
Semi-minor axis of confidence ellipse (meter) 560
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 350
Circular confidence region, given by single value of horizontal uncertainty (meter) 1110.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 216
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) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.21224
Epicentral distance of station farthest from the epicenter (degree) 0.50452
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 91111941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-11 18:09:48

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 96732741
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-18 17:25:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSRU.HHZ. 2021-06-11T17:50:07.69 0.6 undecidable manual S 4 42.9237 50 -0.03 51
IV.NOV.HHZ. 2021-06-11T17:50:05.34 0.6 undecidable manual S 300 33.9438 50 0.02 52
IV.MPNC.HHZ. 2021-06-11T17:50:04.42 0.3 undecidable manual S 340 31.746 50 -0.29 74
MN.CEL.HHZ. 2021-06-11T17:50:04.17 0.3 undecidable manual P 41 55.9995 50 0.33 71
IV.MILZ.HHN. 2021-06-11T17:50:02.98 0.3 undecidable manual P 334 48.618 50 0.28 72
IV.MTTG.HHZ. 2021-06-11T17:50:02.59 0.6 undecidable manual S 55 24.0537 50 -0.09 52
IV.AIO.HHZ. 2021-06-11T17:50:02.96 0.3 undecidable manual S 296 23.5542 50 0.41 74
IV.MSRU.HHZ. 2021-06-11T17:50:01.93 0.3 undecidable manual P 4 42.9237 50 0.1 76
IV.NOV.HHZ. 2021-06-11T17:50:00.47 0.3 undecidable manual P 300 33.9438 50 0.03 78
IV.MPNC.HHZ. 2021-06-11T17:49:59.94 0.3 undecidable manual P 340 31.746 50 -0.15 77
IV.ECTS.HHZ. 2021-06-11T17:49:59.85 0.3 undecidable manual P 271 31.0467 50 -0.13 77
IV.AIO.HHZ. 2021-06-11T17:49:58.52 0.1 undecidable manual P 296 23.5542 50 -0.32 100
IV.MTTG.HHZ. 2021-06-11T17:49:58.86 0.3 undecidable manual P 55 24.0537 50 -0.06 79
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AIO.HHN. ML:1.3 0.0001295 1.08 AML other m 2021-06-11T17:50:03.73
IV.MPNC.HHN. ML:1.2 0.0000627 0.5 AML other m 2021-06-11T17:50:04.51
IV.AIO.HHE. ML:1.1 0.00007825 1.18 AML other m 2021-06-11T17:50:04.93
IV.MTTG.HHN. ML:0.8 0.0000422 0.42 AML other m 2021-06-11T17:50:06.30
IV.MPNC.HHE. ML:1.3 0.00008305 1.32 AML other m 2021-06-11T17:50:08.96
IV.MTTG.HHE. ML:0.8 0.0000419 0.58 AML other m 2021-06-11T17:50:09.70
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