Earthquake with magnitude of ML 2.1 on date 28-04-2021 and time 23:41:13 (Italy) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude ML 2.1 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 28-04-2021 21:41:13 (UTC)
  • 28-04-2021 23:41:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.8350, 15.7010 at 165 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
56 Km W of Lamezia Terme (70714 inhabitants)
70 Km SW of Cosenza (67546 inhabitants)
72 Km N of Messina (238439 inhabitants)
78 Km W of Catanzaro (90612 inhabitants)
81 Km N of Reggio di Calabria (183035 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 2021-04-28
21:41:13
38.8348 15.7007 165 2021-07-12
16:55:14
Bollettino Sismico Italiano INGV 91084711
Reviewed
Rev100
ML 2.3 2021-04-28
21:41:13
38.8265 15.6958 167 2021-04-28
21:52:28
Sala Sismica INGV-Roma 89567711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-28 21:41:13 ± 0.17
Latitude 38.8348 ± 0.0099
Longitude 15.7007 ± 0.0173
Depth (km) 165 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 91084711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1559
Semi-minor axis of confidence ellipse (meter) 608
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 125
Circular confidence region, given by single value of horizontal uncertainty (meter) 1560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.49108
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 89567711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-28 21:52:28

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 91084711
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-11 10:17:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CELI.HHZ. 2021-04-28T21:41:58.29 3.0 undecidable manual S 48 93.8394 149 1.02 0
MN.TIP.HHZ. 2021-04-28T21:41:57.90 1.0 undecidable manual S 67 98.8233 147 0.05 22
IV.MTTG.HHZ. 2021-04-28T21:41:57.81 1.0 undecidable manual S 180 92.241 149 0.72 18
IV.SERS.HHZ. 2021-04-28T21:41:56.90 0.3 undecidable manual S 75 88.1451 150 0.26 63
IV.MPNC.HHN. 2021-04-28T21:41:56.01 1.0 undecidable manual S 202 82.1511 152 0 23
IV.SELL.HHZ. 2021-04-28T21:41:56.70 0.6 undecidable manual S 78 81.7515 152 0.73 37
IV.SOI.EHN. 2021-04-28T21:41:56.37 0.6 undecidable manual S 160 89.8434 150 -0.47 41
IV.SPS2.HHZ. 2021-04-28T21:41:55.53 0.6 undecidable manual S 47 74.6697 154 0.24 44
IV.MILZ.HHZ. 2021-04-28T21:41:55.59 0.3 undecidable manual S 213 74.5698 154 0.32 65
IV.CET2.HHZ. 2021-04-28T21:41:55.60 0.6 undecidable manual S 16 80.0643 153 -0.2 44
IV.PLAC.HHZ. 2021-04-28T21:41:55.20 0.6 undecidable manual S 124 76.8675 153 -0.29 44
MN.CEL.HHZ. 2021-04-28T21:41:54.00 0.6 undecidable manual S 165 65.8896 157 -0.5 42
IV.MSRU.HHZ. 2021-04-28T21:41:54.40 0.3 undecidable manual S 195 65.49 157 -0.07 70
IV.GIZZ.HHZ. 2021-04-28T21:41:52.80 0.6 undecidable manual S 70 46.62 163 -0.28 46
IV.JOPP.HHZ. 2021-04-28T21:41:52.00 0.3 undecidable manual S 148 29.9478 169 -0.22 72
IV.MCEL.HHN. 2021-04-28T21:41:44.27 0.6 undecidable manual P 3 165.5121 132 -0.16 35
IV.MGR.HHZ. 2021-04-28T21:41:42.63 1.0 undecidable manual P 355 145.0437 136 0.03 20
IV.SIRI.HNE. 2021-04-28T21:41:42.83 1.0 undecidable manual P 5 150.1386 135 -0.21 19
IV.EPIT.HHZ. 2021-04-28T21:41:41.21 3.0 positive manual Pn 0.27 0
IV.SALB.HHZ. 2021-04-28T21:41:41.45 0.6 undecidable manual P 25 128.1717 140 0.26 39
IV.NOV.HHZ. 2021-04-28T21:41:40.03 1.0 undecidable manual P 209 102.0201 146 0.8 18
IV.PIPA.HHZ. 2021-04-28T21:41:40.37 0.6 undecidable manual P 53 119.991 142 -0.18 40
IV.AIO.HHE. 2021-04-28T21:41:40.21 1.0 undecidable manual P 203 104.0181 146 0.83 17
MN.CUC.HHE. 2021-04-28T21:41:40.90 1.0 undecidable manual P 4 128.9709 140 -0.36 19
IV.LADO.EHZ. 2021-04-28T21:41:40.01 1.0 undecidable manual P 65 120.8901 142 -0.61 18
IV.GRIS.HNE. 2021-04-28T21:41:39.07 1.0 undecidable manual P 7 101.3208 146 -0.12 21
IV.CELI.HHZ. 2021-04-28T21:41:39.16 0.6 undecidable manual P 48 93.8394 149 0.47 40
IV.MTTG.HHZ. 2021-04-28T21:41:39.03 0.6 undecidable manual P 180 92.241 149 0.45 41
IV.SOI.EHN. 2021-04-28T21:41:38.43 0.6 undecidable manual P 160 89.8434 150 0 45
IV.SERS.HHZ. 2021-04-28T21:41:38.32 0.3 undecidable manual P 75 88.1451 150 0 67
IV.SELL.HHZ. 2021-04-28T21:41:38.16 0.6 undecidable manual P 78 81.7515 152 0.22 43
IV.MPNC.HHN. 2021-04-28T21:41:38.13 1.0 undecidable manual P 202 82.1511 152 0.17 22
MN.TIP.HHZ. 2021-04-28T21:41:38.90 0.6 undecidable manual P 67 98.8233 147 -0.12 43
IV.IVPL.HNE. 2021-04-28T21:41:38.24 1.0 undecidable manual P 231 80.5638 152 0.37 21
IV.SPS2.HHZ. 2021-04-28T21:41:37.72 0.6 undecidable manual P 47 74.6697 154 0.18 45
IV.MILZ.HHZ. 2021-04-28T21:41:37.52 0.3 undecidable manual P 213 74.5698 154 -0.01 69
IV.CET2.HHZ. 2021-04-28T21:41:37.68 0.3 undecidable manual P 16 80.0643 153 -0.16 66
IV.IVUG.HHZ. 2021-04-28T21:41:37.83 1.0 undecidable manual P 232 78.7656 153 0.06 23
IV.PLAC.HHZ. 2021-04-28T21:41:37.56 0.3 undecidable manual P 124 76.8675 153 -0.1 68
MN.CEL.HHZ. 2021-04-28T21:41:36.83 0.3 undecidable manual P 165 65.8896 157 -0.26 67
IV.GIZZ.HHZ. 2021-04-28T21:41:36.07 0.3 undecidable manual P 70 46.62 163 -0.2 70
IV.MSRU.HHZ. 2021-04-28T21:41:36.87 0.3 undecidable manual P 195 65.49 157 -0.2 67
IV.JOPP.HHZ. 2021-04-28T21:41:35.77 0.1 positive manual P 148 29.9478 169 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.JOPP.HHN. ML:2.2 0.00006465 0.36 AML other m 2021-04-28T21:41:53.59
IV.JOPP.HHE. ML:2.1 0.00005110000000000001 0.18 AML other m 2021-04-28T21:41:53.51
IV.MSRU.HHE. ML:2.5 0.00012028777499999999 0.2048 AML other m 2021-04-28T21:41:55.96
IV.MILZ.HHE. ML:3.0 0.0003985 1.68 AML other m 2021-04-28T21:41:55.90
IV.MSRU.HHN. ML:2.4 0.000095297935 0.2048 AML other m 2021-04-28T21:41:55.96
IV.CET2.HHE. ML:2.5 0.00011975796499999999 0.1408 AML other m 2021-04-28T21:41:56.55
MN.CEL.HHN. ML:2.2 0.00005555 0.2 AML other m 2021-04-28T21:41:56.81
IV.CET2.HHN. ML:2.7 0.0001921249 0.192 AML other m 2021-04-28T21:41:56.86
IV.MILZ.HHN. ML:2.6 0.00014063700000000002 0.32 AML other m 2021-04-28T21:41:57.11
IV.PLAC.HHN. ML:2.0 0.000036044674999999996 0.2304 AML other m 2021-04-28T21:41:56.73
IV.PLAC.HHE. ML:2.0 0.00003583451 0.2176 AML other m 2021-04-28T21:41:56.66
MN.CEL.HHE. ML:2.2 0.0000655 0.38 AML other m 2021-04-28T21:41:57.81
IV.SERS.HHE. ML:1.9 0.000029449999999999998 0.6 AML other m 2021-04-28T21:41:57.87
MN.TIP.HHN. ML:1.9 0.0000242 0.6 AML other m 2021-04-28T21:41:58.49
IV.SERS.HHN. ML:1.9 0.000032500000000000004 0.66 AML other m 2021-04-28T21:41:58.21
MN.TIP.HHE. ML:1.8 0.000018998598000000003 0.256 AML other m 2021-04-28T21:41:59.65
IV.CELI.HHE. ML:2.0 0.000029400000000000003 0.66 AML other m 2021-04-28T21:42:00.39
IV.CELI.HHN. ML:1.9 0.00002705 0.62 AML other m 2021-04-28T21:42:01.38
IV.LADO.EHN. ML:2.2 0.000051014105000000004 0.3328 AML other m 2021-04-28T21:42:04.13
IV.LADO.EHE. ML:2.2 0.00004722493 0.2944 AML other m 2021-04-28T21:42:05.63
IV.PIPA.HHE. ML:2.2 0.00005215 0.58 AML other m 2021-04-28T21:42:04.60
IV.SELL.HHE. ML:1.6 0.00001438664 0.3968 AML other m 2021-04-28T21:42:00.28
IV.SELL.HNE. ML:2.3 0.000074817795 0.8192 AML other m 2021-04-28T21:41:55.48
IV.SELL.HHN. ML:1.4 0.000009440964 0.4864 AML other m 2021-04-28T21:41:58.93
MN.TIP.HNE. ML:2.3 0.000065547485 0.6784 AML other m 2021-04-28T21:42:00.97
IV.CELI.HNN. ML:2.0 0.000032128275 0.6016 AML other m 2021-04-28T21:42:02.30
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