Earthquake with magnitude of ML 1.8 on date 27-08-2020 and time 05:34:55 (UTC) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude ML 1.8 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 27-08-2020 05:34:55 (UTC)
  • 27-08-2020 07:34:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.8940, 15.8310 at 74 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
43 Km W of Lamezia Terme (70714 inhabitants)
58 Km SW of Cosenza (67546 inhabitants)
66 Km W of Catanzaro (90612 inhabitants)
81 Km N of Messina (238439 inhabitants)
89 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 1.8 2020-08-27
05:34:55
38.8942 15.8308 74 2020-11-19
12:37:00
Bollettino Sismico Italiano INGV 82732381
Reviewed
Rev100
ML 1.9 2020-08-27
05:34:55
38.8888 15.8237 75 2020-08-27
05:43:42
Sala Sismica INGV-Roma 82364521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-27 05:34:55 ± 0.31
Latitude 38.8942 ± 0.0081
Longitude 15.8308 ± 0.0266
Depth (km) 74 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 82732381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1765
Semi-minor axis of confidence ellipse (meter) 1518
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 94
Circular confidence region, given by single value of horizontal uncertainty (meter) 1760.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.23387
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 82732381
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-08 13:10:23

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 82364521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-27 05:43:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MNTT.EHZ. 2020-08-27T05:36:39.29 3.0 undecidable manual S -9.99 0
IV.MTGR.HHZ. 2020-08-27T05:35:55.36 3.0 undecidable manual Sn 1.91 0
IV.BULG.HHN. 2020-08-27T05:35:34.16 0.6 undecidable manual S 344 136.9629 110 0.73 35
MN.CUC.HHE. 2020-08-27T05:35:30.00 0.3 undecidable manual S 359 121.989 113 -0.43 61
IV.GRIS.EHE. 2020-08-27T05:35:24.80 0.3 undecidable manual S 1 93.9393 120 -0.2 67
IV.CELI.HHE. 2020-08-27T05:35:23.45 0.3 undecidable manual S 46 81.1521 125 0.76 60
MN.CEL.HHZ. 2020-08-27T05:35:20.60 0.3 undecidable manual S 176 70.4739 129 -0.26 70
IV.CET2.HHZ. 2020-08-27T05:35:20.90 0.6 undecidable manual S 9 71.1732 129 -0.07 48
IV.BULG.HHN. 2020-08-27T05:35:17.50 0.1 undecidable manual P 344 136.9629 110 0.19 82
IV.JOPP.HHZ. 2020-08-27T05:35:16.00 0.3 undecidable manual S 172 32.2455 153 0.38 72
MN.CUC.HHE. 2020-08-27T05:35:15.27 0.3 undecidable manual P 359 121.989 113 -0.31 62
XK.GIZZ.HHZ. 2020-08-27T05:35:14.60 0.3 undecidable manual S 74 33.8439 152 -1.18 52
IV.AIO.HHE. 2020-08-27T05:35:14.76 0.3 undecidable manual P 207 114.7962 114 0 67
IV.GRIS.EHE. 2020-08-27T05:35:12.27 0.3 undecidable manual P 1 93.9393 120 -0.17 68
IV.MPNC.HHE. 2020-08-27T05:35:11.70 0.6 undecidable manual P 207 92.7405 121 -0.62 41
IV.CELI.HHE. 2020-08-27T05:35:11.47 0.3 undecidable manual P 46 81.1521 125 0.37 67
IV.PLAC.HHZ. 2020-08-27T05:35:10.12 0.3 undecidable manual P 133 72.1722 129 -0.09 72
IV.CET2.HHZ. 2020-08-27T05:35:10.01 0.3 undecidable manual P 9 71.1732 129 -0.11 72
MN.CEL.HHZ. 2020-08-27T05:35:09.77 0.3 undecidable manual P 176 70.4739 129 -0.28 70
IV.FERC.HNE. 2020-08-27T05:35:08.76 0.3 undecidable manual P 152 55.3002 137 0.08 74
IV.CAR1.HHZ. 2020-08-27T05:35:08.33 0.3 undecidable manual P 39 51.6039 140 -0.04 75
IV.JOPP.HHZ. 2020-08-27T05:35:07.26 0.1 undecidable manual P 172 32.2455 153 0.24 100
XK.GIZZ.HHZ. 2020-08-27T05:35:07.86 0.3 undecidable manual P 74 33.8439 152 0.74 65
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.JOPP.HHN. ML:1.9 0.00011942475 0.0992 AML other m 2020-08-27T05:35:16.82
IV.JOPP.HHE. ML:1.9 0.00012097925000000001 0.1792 AML other m 2020-08-27T05:35:16.29
IV.CAR1.HHN. ML:1.8 0.00007572807 0.3008 AML other m 2020-08-27T05:35:18.58
IV.CAR1.HHE. ML:1.7 0.000063154525 0.3424 AML other m 2020-08-27T05:35:19.67
MN.CEL.HHE. ML:1.2 0.000015225569999999998 0.2592 AML other m 2020-08-27T05:35:21.12
MN.CEL.HHN. ML:1.3 0.000031572255 0.3584 AML other m 2020-08-27T05:35:21.41
MN.CEL.HNE. ML:1.9 0.000082691095 0.9984 AML other m 2020-08-27T05:35:33.49
IV.CET2.HHN. ML:2.2 0.00014181890000000003 0.24 AML other m 2020-08-27T05:35:21.82
IV.CET2.HHE. ML:1.9 0.00007918304500000001 0.1216 AML other m 2020-08-27T05:35:22.31
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download