Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 11-08-2020 and time 10:52:54 (Italy) in region 6 km NW Petronà (CZ)

A magnitude ML 0.8 earthquake occured in region: 6 km NW Petronà (CZ), on

  • 11-08-2020 08:52:54 (UTC)
  • 11-08-2020 10:52:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.0690, 16.7040 at 35 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Petronà CZ 6 2629 2629
Cerva CZ 6 1223 3852
Sersale CZ 7 4630 8482
Mesoraca KR 8 6523 15005
Andali CZ 8 769 15774
Zagarise CZ 9 1647 17421
Magisano CZ 9 1258 18679
Petilia Policastro KR 9 9173 27852
Belcastro CZ 9 1399 29251
Albi CZ 10 949 30200
Sellia CZ 12 530 30730
Taverna CZ 12 2703 33433
Marcedusa CZ 12 448 33881
Sorbo San Basile CZ 13 809 34690
Cropani CZ 13 4778 39468
Fossato Serralta CZ 13 594 40062
Simeri Crichi CZ 14 4698 44760
Cotronei KR 14 5480 50240
Soveria Simeri CZ 14 1564 51804
Pentone CZ 14 2113 53917
Roccabernarda KR 16 3393 57310
Gimigliano CZ 18 3381 60691
Sellia Marina CZ 19 7513 68204
Caccuri KR 19 1663 69867
San Mauro Marchesato KR 19 2157 72024
Cicala CZ 19 968 72992
Botricello CZ 20 5220 78212

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NE of Catanzaro (90612 inhabitants)
35 Km E of Lamezia Terme (70714 inhabitants)
37 Km W of Crotone (62178 inhabitants)
46 Km SE of Cosenza (67546 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 0.8 2020-08-11
08:52:54		 39.0693 16.704 35 2020-11-19
12:37:06		 Bollettino Sismico Italiano INGV 84600421
Reviewed
Rev100 		ML 0.8 2020-08-11
08:52:55		 39.0397 16.5452 27 2020-08-11
09:11:37		 Sala Sismica INGV-Roma 81875121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-11 08:52:54 ± 0.16
Latitude 39.0693 ± 0.0072
Longitude 16.7040 ± 0.0139
Depth (km) 35 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84600421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1203
Semi-minor axis of confidence ellipse (meter) 780
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 87
Circular confidence region, given by single value of horizontal uncertainty (meter) 1200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 179
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42358
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 81875121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-11 09:11:37

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 84600421
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-11-10 09:48:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
TV.SF04.EHZ. 2020-08-11T08:54:44.68 3.0 undecidable manual Sn -1.33 0
GU.RNCA.HHZ. 2020-08-11T08:54:36.34 3.0 positive manual Pn 7.68 0
IV.IMI.HHZ. 2020-08-11T08:54:35.65 3.0 undecidable manual Pn 3.27 0
IV.VVLD.HHZ. 2020-08-11T08:54:20.34 3.0 undecidable manual Sg 15.66 0
IV.VENT.EHZ. 2020-08-11T08:54:05.18 3.0 undecidable manual Sg 15.63 0
IV.ARVD.HHZ. 2020-08-11T08:53:53.12 3.0 positive manual Pn 0.45 0
IV.PANTE.HHZ. 2020-08-11T08:53:49.01 3.0 positive manual Pn 2.35 0
AC.KBN.HHZ. 2020-08-11T08:53:43.12 3.0 undecidable manual Pn -0.18 0
IV.ROSPO.HHZ. 2020-08-11T08:53:41.89 3.0 undecidable manual Pg 13.21 0
MN.CLTB.HHZ. 2020-08-11T08:53:38.55 3.0 negative manual Pg 8.86 0
IV.VCEL.EHZ. 2020-08-11T08:53:37.49 3.0 undecidable manual Pn 2.46 0
IV.NOCI.HHZ. 2020-08-11T08:53:37.22 3.0 undecidable manual Sg 6.63 0
IV.CAGR.HHZ. 2020-08-11T08:53:26.60 3.0 undecidable manual Pg 6.19 0
IT.GLNS.HNZ. 2020-08-11T08:53:24.10 3.0 undecidable manual Pn -0.38 0
IV.SGG.HHZ. 2020-08-11T08:53:17.88 3.0 positive manual Pn -2.5 0
IV.CELI.HHE. 2020-08-11T08:53:09.94 0.6 undecidable manual S 336 40.626 126 0.09 46
IV.CMPR.HHZ. 2020-08-11T08:53:06.57 3.0 undecidable manual P 3.51 0
MN.TIP.HHZ. 2020-08-11T08:53:05.20 0.6 undecidable manual S 21 13.0758 158 0.01 50
IV.SERS.HHZ. 2020-08-11T08:53:04.51 0.3 undecidable manual S 200 3.8961 173 -0.06 75
IX.STN3.HNZ.01 2020-08-11T08:53:04.74 3.0 undecidable manual P 0.39 0
IV.CAR1.HHE. 2020-08-11T08:53:04.18 0.3 undecidable manual P 296 47.0196 122 0.04 70
IV.CELI.HHE. 2020-08-11T08:53:03.19 0.1 undecidable manual P 336 40.626 126 -0.13 92
IV.MGR.HHZ. 2020-08-11T08:53:02.24 3.0 negative manual P 2.45 0
IV.SERS.HHZ. 2020-08-11T08:53:00.32 0.1 undecidable manual P 200 3.8961 173 0.05 100
MN.TIP.HHZ. 2020-08-11T08:53:00.66 0.1 undecidable manual P 21 13.0758 158 0.03 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SERS.HHN. ML:0.8 0.000031474759999999996 0.2432 AML other m 2020-08-11T08:53:04.66
IV.SERS.HNE. ML:0.9 0.0000364080575 0.2432 AML other m 2020-08-11T08:53:04.66
MN.TIP.HNE. ML:1.0 0.00004623583 0.0576 AML other m 2020-08-11T08:53:04.99
IV.SERS.HHE. ML:0.8 0.000022843645 1.8208 AML other m 2020-08-11T08:53:04.99
MN.TIP.HHN. ML:0.6 0.00001287392 0.1984 AML other m 2020-08-11T08:53:05.35
MN.TIP.HHE. ML:0.4 0.000008003324499999999 0.1792 AML other m 2020-08-11T08:53:05.47
IV.SERS.HNN. ML:0.8 0.000023041128499999997 0.32 AML other m 2020-08-11T08:53:07.01
MN.TIP.HNN. ML:1.2 0.00005859232 1.0816 AML other m 2020-08-11T08:53:07.72
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