Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 23-04-2020 and time 08:01:51 (Italy) in region 3 km SW Bovalino (RC)

A magnitude ML 2.1 earthquake occured in region: 3 km SW Bovalino (RC), on

  • 23-04-2020 06:01:51 (UTC)
  • 23-04-2020 08:01:51 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.1280, 16.1550 at 15 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
Bovalino RC 3 8905 8905
Bianco RC 4 4273 13178
Casignana RC 6 759 13937
Careri RC 7 2360 16297
Benestare RC 7 2556 18853
Caraffa del Bianco RC 7 539 19392
Sant'Agata del Bianco RC 7 592 19984
Ardore RC 7 5088 25072
San Luca RC 8 3881 28953
Africo RC 9 3075 32028
Samo RC 10 809 32837
Sant'Ilario dello Ionio RC 11 1377 34214
Ferruzzano RC 11 772 34986
Portigliola RC 12 1201 36187
Ciminà RC 13 568 36755
Bruzzano Zeffirio RC 14 1111 37866
Platì RC 14 3812 41678
Locri RC 16 12504 54182
Antonimina RC 16 1317 55499
Gerace RC 17 2652 58151
Staiti RC 18 248 58399
Brancaleone RC 18 3584 61983

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km E of Reggio di Calabria (183035 inhabitants)
53 Km E of Messina (238439 inhabitants)
95 Km SW of Catanzaro (90612 inhabitants)
96 Km S of Lamezia Terme (70714 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 2.1 2020-04-23
06:01:51		 38.1275 16.1553 15 2020-07-18
21:08:38		 Bollettino Sismico Italiano INGV 79690441
Reviewed
Rev100 		ML 2.0 2020-04-23
06:01:51		 38.1342 16.1553 14 2020-04-23
06:10:49		 Sala Sismica INGV-Roma 78493301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-23 06:01:51 ± 0.11
Latitude 38.1275 ± 0.0054
Longitude 16.1553 ± 0.0046
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79690441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 510
Semi-minor axis of confidence ellipse (meter) 431
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 329
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 201
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) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.09623
Epicentral distance of station farthest from the epicenter (degree) 1.12595
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 79690441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-07-12 21:05:09

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 78493301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-23 06:10:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAR1.HHZ. 2020-04-23T06:02:12.34 0.3 undecidable manual P 2 124.986 92 0.14 60
IV.MPNC.HHZ. 2020-04-23T06:02:12.95 0.6 undecidable manual S 272 70.0743 94 0.25 44
IV.JOPP.HHZ. 2020-04-23T06:02:09.78 0.6 undecidable manual S 336 58.0974 95 0.26 45
IT.RCU.HGZ. 2020-04-23T06:02:05.50 0.3 undecidable manual S 269 42.7239 97 0.08 72
IV.MTTG.HHZ. 2020-04-23T06:02:05.52 0.6 undecidable manual S 251 42.1245 97 0.26 46
IV.PLAC.HHZ. 2020-04-23T06:02:05.60 0.3 undecidable manual S 35 43.4232 97 0 72
IV.SICLA.EHZ. 2020-04-23T06:02:04.90 0.3 undecidable manual S 291 41.0256 97 -0.07 72
IV.FERC.HNZ. 2020-04-23T06:02:03.88 0.6 undecidable manual S 356 36.1416 99 0.19 47
IV.MPNC.HHZ. 2020-04-23T06:02:03.55 0.3 undecidable manual P 272 70.0743 94 -0.19 66
IV.JOPP.HHZ. 2020-04-23T06:02:01.54 0.1 positive manual P 336 58.0974 95 -0.37 87
MN.CEL.HHZ. 2020-04-23T06:02:01.40 0.1 undecidable manual S 303 27.1506 104 0.07 98
IV.PLAC.HHZ. 2020-04-23T06:01:59.63 0.1 positive manual P 35 43.4232 97 -0.02 96
IT.RCU.HGZ. 2020-04-23T06:01:59.59 0.1 undecidable manual P 269 42.7239 97 0.05 96
IV.MTTG.HHZ. 2020-04-23T06:01:59.47 0.1 positive manual P 251 42.1245 97 0.02 97
IV.SICLA.EHZ. 2020-04-23T06:01:58.78 0.1 undecidable manual P 291 41.0256 97 -0.5 87
IV.FERC.HNZ. 2020-04-23T06:01:58.59 0.1 undecidable manual P 356 36.1416 99 0.05 97
IV.SOI.EHZ. 2020-04-23T06:01:57.30 0.3 undecidable manual S 236 10.6782 135 -0.12 74
MN.CEL.HHZ. 2020-04-23T06:01:57.31 0.1 positive manual P 303 27.1506 104 0.13 97
IV.SOI.EHZ. 2020-04-23T06:01:55.08 0.1 negative manual P 236 10.6782 135 0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SOI.EHN. ML:2.3 0.002022878 0.1792 AML other m 2020-04-23T06:01:57.66
IV.SOI.EHE. ML:2.1 0.0012976370500000002 0.4608 AML other m 2020-04-23T06:01:57.62
MN.CEL.HNE. ML:2.7 0.0024050000000000005 0.32 AML other m 2020-04-23T06:02:01.97
MN.CEL.HHE. ML:2.7 0.0023799999999999997 0.3 AML other m 2020-04-23T06:02:01.96
MN.CEL.HNN. ML:2.6 0.002225 0.4 AML other m 2020-04-23T06:02:01.72
MN.CEL.HHN. ML:2.7 0.0023 0.4 AML other m 2020-04-23T06:02:01.72
IV.SICLA.EHN. ML:2.4 0.000852 0.28 AML other m 2020-04-23T06:02:05.73
IV.SICLA.EHE. ML:2.3 0.0007155 1.46 AML other m 2020-04-23T06:02:06.73
IV.MTTG.HHE. ML:1.7 0.00016416249999999999 0.4992 AML other m 2020-04-23T06:02:06.23
IV.PLAC.HHN. ML:1.6 0.000129 0.36 AML other m 2020-04-23T06:02:09.36
IV.PLAC.HNE. ML:1.5 0.00010741795 0.3392 AML other m 2020-04-23T06:02:09.36
IV.JOPP.HHN. ML:1.7 0.00011373333 0.16 AML other m 2020-04-23T06:02:11.19
IV.MTTG.HHN. ML:1.8 0.00019 1.36 AML other m 2020-04-23T06:02:11.68
IV.PLAC.HNN. ML:1.6 0.0001343611 0.3776 AML other m 2020-04-23T06:02:14.65
IV.PLAC.HHE. ML:1.7 0.0001385 0.36 AML other m 2020-04-23T06:02:14.46
IV.JOPP.HHE. ML:1.8 0.00011999999999999999 0.46 AML other m 2020-04-23T06:02:14.73
IV.MPNC.HHE. ML:2.1 0.000221 0.56 AML other m 2020-04-23T06:02:15.31
IV.MPNC.HHN. ML:2.1 0.00022371115 0.1824 AML other m 2020-04-23T06:02:15.71
IV.CAR1.HHN. ML:2.1 0.00008669261999999999 0.3584 AML other m 2020-04-23T06:02:33.31
IV.CAR1.HNE. ML:2.4 0.00017565085 1.7376 AML other m 2020-04-23T06:02:33.32
IV.CAR1.HHE. ML:2.0 0.0000663 0.86 AML other m 2020-04-23T06:02:35.26
IV.CAR1.HNN. ML:2.4 0.00015466940000000002 1.0592 AML other m 2020-04-23T06:02:49.96
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
Waveforms Seismic signals in miniseed + resp format Download