Earthquake with magnitude of ML 2.3 on date 18-05-2021 and time 15:28:07 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 2.3 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 18-05-2021 13:28:07 (UTC)
  • 18-05-2021 15:28:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.8940, 15.6590 at 170 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
58 Km W of Lamezia Terme (70714 inhabitants)
68 Km SW of Cosenza (67546 inhabitants)
78 Km N of Messina (238439 inhabitants)
81 Km W of Catanzaro (90612 inhabitants)
87 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 2.3 2021-05-18
13:28:07
38.8945 15.6593 170 2021-12-29
11:12:04
Bollettino Sismico Italiano INGV 91267821
Reviewed
Rev100
ML 2.4 2021-05-18
13:28:06
38.8775 15.5902 175 2021-05-18
13:37:06
Sala Sismica INGV-Roma 90231221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-18 13:28:07 ± 0.27
Latitude 38.8945 ± 0.0126
Longitude 15.6593 ± 0.0300
Depth (km) 170 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 91267821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2639
Semi-minor axis of confidence ellipse (meter) 479
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 101
Circular confidence region, given by single value of horizontal uncertainty (meter) 2640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 175
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.34269
Number of stations at which the event was observed 39
Number of stations from which data was used for origin computation 16
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 91267821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-08-02 13:14:21

ML:2.4

Field Value
Value 2.4
Uncertainty 0.4
Num. used stations 42
Type of magnitude ML
Reference to an origin 90231221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-18 13:37:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SAP2.EHZ. 2021-05-18T13:30:09.71 3.0 undecidable manual Sn -2.39 0
IV.MNTP.HNZ. 2021-05-18T13:30:08.01 3.0 undecidable manual Sn -4.62 0
IV.VOBA.EHZ. 2021-05-18T13:30:03.78 3.0 positive manual Pn 0.51 0
IV.RMP.HHZ. 2021-05-18T13:30:02.08 3.0 undecidable manual Sg 12.44 0
IV.CRND.HNZ. 2021-05-18T13:30:00.28 3.0 undecidable manual Pn 0.73 0
IV.NDIM.HNZ. 2021-05-18T13:29:57.59 3.0 negative manual Pn 5.24 0
IV.RIBO.EHZ.01 2021-05-18T13:29:51.32 3.0 positive manual Pg 21.75 0
IV.VVLD.HHZ. 2021-05-18T13:29:49.30 3.0 undecidable manual Sg 6.59 0
IV.SAMA.EHZ. 2021-05-18T13:29:46.81 3.0 undecidable manual Sn -3.38 0
IV.PE3.EHZ. 2021-05-18T13:29:43.70 3.0 positive manual Pg 13.13 0
IV.ARVD.HHZ. 2021-05-18T13:29:40.71 3.0 negative manual Pg 14.39 0
IV.CPGN.EHZ. 2021-05-18T13:29:36.57 3.0 undecidable manual Pn 3.95 0
IV.AGLI.HHZ. 2021-05-18T13:29:24.37 3.0 undecidable manual Pn -5.32 0
IV.VAGA.HHZ. 2021-05-18T13:29:22.33 3.0 undecidable manual Sn -6.04 0
AC.VLO.HHZ. 2021-05-18T13:29:17.35 3.0 positive manual Pg 9.98 0
IV.CSP1.EHZ. 2021-05-18T13:29:14.86 3.0 undecidable manual Pn -5.31 0
IV.RMP.HHZ. 2021-05-18T13:29:13.44 3.0 undecidable manual Pg 6.5 0
IV.CROCE.HNZ. 2021-05-18T13:29:12.14 3.0 undecidable manual Sn -0.1 0
IV.AMUR.HHZ. 2021-05-18T13:29:11.69 3.0 undecidable manual Sn -6.62 0
OT.OT13.EHZ. 2021-05-18T13:29:07.72 3.0 positive manual Pg 7.14 0
IV.SALB.HHZ. 2021-05-18T13:28:56.51 0.3 undecidable manual S 28 123.8871 142 0.51 57
MN.CUC.HHZ. 2021-05-18T13:28:55.81 0.3 undecidable manual S 6 122.6883 142 -0.03 64
IV.GRIS.HNE. 2021-05-18T13:28:52.32 0.6 undecidable manual S 10 95.3379 149 -0.16 44
MN.TIP.HHZ. 2021-05-18T13:28:52.99 0.3 undecidable manual S 71 99.8223 148 -0.01 66
OT.OT11.EHZ. 2021-05-18T13:28:52.47 3.0 negative manual Pn -2.12 0
IV.SERS.HHZ. 2021-05-18T13:28:52.22 0.3 undecidable manual S 80 90.1431 150 0.3 64
IV.PLAC.HHZ. 2021-05-18T13:28:50.99 0.6 undecidable manual S 126 83.6496 152 -0.25 43
IV.MSRU.HHZ. 2021-05-18T13:28:50.11 0.6 undecidable manual S 191 71.1732 156 0.04 47
IV.CET2.HHZ. 2021-05-18T13:28:50.03 0.6 undecidable manual S 20 74.7696 155 -0.36 43
IV.JOPP.HHZ. 2021-05-18T13:28:47.66 0.3 undecidable manual S 148 37.4292 167 -0.07 74
IV.MFNL.HHZ. 2021-05-18T13:28:46.78 3.0 negative manual Pg -0.1 0
IV.SCHR.EHZ. 2021-05-18T13:28:37.76 0.6 undecidable manual P 14 149.0397 136 0.21 38
IV.SALB.HHZ. 2021-05-18T13:28:35.55 0.1 undecidable manual P 28 123.8871 142 0.05 84
IV.ESCV.HHZ. 2021-05-18T13:28:35.13 3.0 undecidable manual P -1.2 0
IV.TDS.HHZ. 2021-05-18T13:28:35.08 0.3 undecidable manual P 34 103.0191 147 1.1 46
IV.MTTG.HHE. 2021-05-18T13:28:34.21 0.3 undecidable manual P 178 98.9232 148 0.51 60
MN.CUC.HHZ. 2021-05-18T13:28:34.81 0.3 undecidable manual P 6 122.6883 142 -0.59 56
IV.PIPA.HHZ. 2021-05-18T13:28:34.87 0.3 undecidable manual P 56 119.0919 143 -0.26 61
IV.LADO.EHZ. 2021-05-18T13:28:34.57 0.3 undecidable manual P 69 121.5894 142 -0.75 52
IV.CELI.HHE. 2021-05-18T13:28:33.90 0.3 undecidable manual P 52 92.3409 150 0.62 58
IV.GRIS.HNE. 2021-05-18T13:28:33.39 0.1 undecidable manual P 10 95.3379 149 -0.08 89
MN.TIP.HHZ. 2021-05-18T13:28:33.59 0.3 undecidable manual P 71 99.8223 148 -0.17 64
IV.SERS.HHZ. 2021-05-18T13:28:33.00 0.3 undecidable manual P 80 90.1431 150 -0.14 66
IV.SELL.HHZ. 2021-05-18T13:28:32.83 0.3 undecidable manual P 83 84.1491 152 0.05 68
IV.CET2.HHZ. 2021-05-18T13:28:32.07 0.3 undecidable manual P 20 74.7696 155 -0.19 68
IV.PLAC.HHZ. 2021-05-18T13:28:32.62 0.1 undecidable manual P 126 83.6496 152 -0.13 89
IV.MSRU.HHZ. 2021-05-18T13:28:32.02 0.3 undecidable manual P 191 71.1732 156 -0.05 70
IV.PLLN.EHZ. 2021-05-18T13:28:31.97 3.0 negative manual Pn -2.44 0
IV.JOPP.HHZ. 2021-05-18T13:28:30.72 0.1 undecidable manual P 148 37.4292 167 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SERS.HNN. ML:2.2 0.000056360294999999996 1.264 AML other m 2021-05-18T13:28:32.36
IV.MSRU.HHN. ML:2.6 0.00012826191500000001 0.8384 AML other m 2021-05-18T13:28:37.43
IV.SERS.HNE. ML:2.4 0.000074841175 1.1392 AML other m 2021-05-18T13:28:39.67
IV.PIPA.HNE. ML:2.6 0.000120575 0.9472 AML other m 2021-05-18T13:28:43.63
IV.JOPP.HHN. ML:2.3 0.000084756465 0.1792 AML other m 2021-05-18T13:28:48.66
IV.JOPP.HHE. ML:2.2 0.000068373355 0.1024 AML other m 2021-05-18T13:28:48.87
IV.CET2.HHE. ML:2.4 0.00009071974 0.224 AML other m 2021-05-18T13:28:50.82
MN.CUC.HHN. ML:1.6 0.0000116651555 0.5952 AML other m 2021-05-18T13:28:51.54
IV.MSRU.HHE. ML:2.7 0.00016144065000000003 0.8192 AML other m 2021-05-18T13:28:51.80
IV.CET2.HHN. ML:2.7 0.000187482175 0.2368 AML other m 2021-05-18T13:28:51.37
MN.TIP.HHN. ML:1.8 0.000021274254999999997 0.4992 AML other m 2021-05-18T13:28:54.27
MN.CUC.HHE. ML:1.7 0.000012739077500000002 0.2432 AML other m 2021-05-18T13:28:55.87
MN.TIP.HHE. ML:2.0 0.00002821084 0.9792 AML other m 2021-05-18T13:28:57.81
IV.PIPA.HHN. ML:2.0 0.000025450115000000003 0.16 AML other m 2021-05-18T13:28:57.56
IV.SALB.HHE. ML:2.2 0.000042250000000000004 1.26 AML other m 2021-05-18T13:28:57.29
IV.SALB.HHN. ML:2.0 0.000024290775 0.256 AML other m 2021-05-18T13:28:58.57
IV.PIPA.HHE. ML:2.0 0.00003217248 0.4864 AML other m 2021-05-18T13:28:58.75
IV.LADO.EHN. ML:2.1 0.000034801635 0.384 AML other m 2021-05-18T13:28:58.78
IV.PLLN.EHE. ML:2.6 0.00008805647 0.9984 AML other m 2021-05-18T13:28:59.54
IV.LADO.EHE. ML:2.2 0.000043995309999999996 0.4992 AML other m 2021-05-18T13:29:00.41
MN.CUC.HNN. ML:2.5 0.000085804395 1.136 AML other m 2021-05-18T13:29:05.26
IV.SERS.HHN. ML:2.1 0.000045831805000000004 0.72 AML other m 2021-05-18T13:29:06.45
MN.TIP.HNE. ML:2.4 0.000071867155 1.5424 AML other m 2021-05-18T13:29:07.96
IV.SERS.HHE. ML:2.1 0.000041748985 0.7392 AML other m 2021-05-18T13:29:08.52
IV.PLLN.EHN. ML:2.5 0.000070027675 0.864 AML other m 2021-05-18T13:29:12.51
MN.TIP.HNN. ML:2.5 0.000095653665 0.2784 AML other m 2021-05-18T13:29:16.75
IV.PIPA.HNN. ML:2.8 0.00017927274999999997 1.0784 AML other m 2021-05-18T13:29:23.59
MN.CUC.HNE. ML:2.6 0.00011995834500000001 0.5184 AML other m 2021-05-18T13:29:23.34
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