Earthquake with magnitude of ML 1.1 on date 04-05-2021 and time 11:08:12 (Italy) in region 5 km W Motta San Giovanni (RC)

A magnitude ML 1.1 earthquake occured in region: 5 km W Motta San Giovanni (RC), on

  • 04-05-2021 09:08:12 (UTC)
  • 04-05-2021 11:08:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.0150, 15.6450 at 12 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.

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 San Giovanni RC 5 6208 6208
Reggio di Calabria RC 11 183035 189243
Montebello Ionico RC 11 6214 195457
Cardeto RC 13 1641 197098
Roghudi RC 15 1104 198202
Bagaladi RC 16 1039 199241
Melito di Porto Salvo RC 16 11355 210596
Scaletta Zanclea ME 17 2140 212736
San Lorenzo RC 17 2640 215376
Itala ME 19 1640 217016
Condofuri RC 19 5113 222129
Alì Terme ME 19 2539 224668
Laganadi RC 20 413 225081
Calanna RC 20 934 226015
Alì ME 20 768 226783

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km S of Reggio di Calabria (183035 inhabitants)
21 Km SE of Messina (238439 inhabitants)
61 Km NE of Acireale (52622 inhabitants)
75 Km NE of Catania (314555 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 2021-05-04
09:08:12
38.0153 15.6447 12 2021-12-29
11:11:59
Bollettino Sismico Italiano INGV 90186471
Reviewed
Rev100
ML 1.3 2021-05-04
09:08:12
38.01 15.6537 13 2021-05-04
09:15:06
Sala Sismica INGV-Roma 89760571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-04 09:08:12 ± 0.11
Latitude 38.0153 ± 0.0054
Longitude 15.6447 ± 0.0057
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90186471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 611
Semi-minor axis of confidence ellipse (meter) 313
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 342
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 156
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
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) 0.04497
Epicentral distance of station farthest from the epicenter (degree) 0.62053
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 90186471
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-02 10:08:16

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 89760571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-04 09:15:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.JOPP.HHZ. 2021-05-04T09:08:24.41 0.3 undecidable manual P 18 68.8755 90 -0.06 67
IV.AIO.HHE. 2021-05-04T09:08:24.99 0.3 undecidable manual S 262 36.3414 91 0.4 67
IV.SOI.EHZ. 2021-05-04T09:08:24.69 0.6 undecidable manual S 80 36.3414 91 0.09 48
MN.CEL.HHE. 2021-05-04T09:08:24.33 0.6 undecidable manual S 39 34.8429 91 0.14 47
IV.MSRU.HHZ. 2021-05-04T09:08:23.48 0.6 undecidable manual S 337 30.0477 91 0.57 43
IV.MPNC.HHZ. 2021-05-04T09:08:22.22 0.3 undecidable manual S 300 29.3484 91 -0.51 65
IV.SICLA.EHZ. 2021-05-04T09:08:22.09 0.6 undecidable manual S 13 27.4503 91 -0.12 48
IV.NOV.HHE. 2021-05-04T09:08:20.79 0.3 undecidable manual P 272 44.4222 91 0.09 71
IV.SOI.EHZ. 2021-05-04T09:08:19.18 0.3 undecidable manual P 80 36.3414 91 -0.28 68
IV.AIO.HHE. 2021-05-04T09:08:19.39 0.3 undecidable manual P 262 36.3414 91 -0.06 71
MN.CEL.HHE. 2021-05-04T09:08:19.25 0.1 undecidable manual P 39 34.8429 91 0.03 97
IV.SICLA.EHZ. 2021-05-04T09:08:18.10 0.1 undecidable manual P 13 27.4503 91 0.02 98
IV.MSRU.HHZ. 2021-05-04T09:08:18.46 0.1 undecidable manual P 337 30.0477 91 -0.02 97
IV.MPNC.HHZ. 2021-05-04T09:08:18.24 0.1 undecidable manual P 300 29.3484 91 -0.14 94
IV.MTTG.HHZ. 2021-05-04T09:08:16.75 0.3 undecidable manual S 106 4.995 149 0.01 76
IV.MTTG.HHZ. 2021-05-04T09:08:15.03 0.1 negative manual P 106 4.995 149 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTTG.HHE. ML:1.2 0.00023806845 0.16 AML other m 2021-05-04T09:08:16.88
IV.MTTG.HHN. ML:1.4 0.00037223555 1.8784 AML other m 2021-05-04T09:08:17.00
IV.SICLA.EHE. ML:1.3 0.00011539231999999999 0.256 AML other m 2021-05-04T09:08:22.98
IV.SICLA.EHN. ML:1.2 0.00008371363500000001 0.2432 AML other m 2021-05-04T09:08:23.47
IV.MSRU.HHN. ML:1.1 0.000065661065 0.2368 AML other m 2021-05-04T09:08:23.67
IV.MPNC.HHN. ML:1.3 0.0001025459 0.2368 AML other m 2021-05-04T09:08:23.73
IV.MSRU.HHE. ML:1.1 0.00006505995 0.2432 AML other m 2021-05-04T09:08:24.58
IV.MPNC.HHE. ML:1.4 0.00012818445 1.776 AML other m 2021-05-04T09:08:24.08
IV.SOI.EHE. ML:0.7 0.000018517145 0.3008 AML other m 2021-05-04T09:08:29.43
IV.SOI.EHN. ML:0.7 0.00001976475 0.704 AML other m 2021-05-04T09:08:34.43
IV.JOPP.HHN. ML:1.0 0.000017251434999999998 0.2176 AML other m 2021-05-04T09:08:38.10
IV.JOPP.HHE. ML:0.8 0.000010524084999999999 0.7616 AML other m 2021-05-04T09:08:49.73
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