Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 25-07-2020 and time 18:13:31 (Italy) in region Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria)

A magnitude ML 1.4 earthquake occured in region: Costa Calabra sud occidentale (Catanzaro, Vibo Valentia, Reggio di Calabria), on

  • 25-07-2020 16:13:31 (UTC)
  • 25-07-2020 18:13:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.9070, 15.8550 at 37 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km W of Lamezia Terme (70714 inhabitants)
55 Km SW of Cosenza (67546 inhabitants)
64 Km W of Catanzaro (90612 inhabitants)
83 Km NE of Messina (238439 inhabitants)
91 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 1.4 2020-07-25
16:13:31		 38.9072 15.8553 37 2020-11-19
12:37:06		 Bollettino Sismico Italiano INGV 84191471
Reviewed
Rev100 		ML 1.3 2020-07-25
16:13:32		 38.902 15.8165 10 2020-07-25
16:23:10		 Sala Sismica INGV-Roma 81337581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-25 16:13:31 ± 0.12
Latitude 38.9072 ± 0.0054
Longitude 15.8553 ± 0.0150
Depth (km) 37 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84191471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1247
Semi-minor axis of confidence ellipse (meter) 225
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 93
Circular confidence region, given by single value of horizontal uncertainty (meter) 1250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 136
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) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.44247
Epicentral distance of station farthest from the epicenter (degree) 1.27434
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 84191471
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-27 23:56:32

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 81337581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-25 16:23:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GRIS.HNE. 2020-07-25T16:13:59.34 0.6 undecidable manual S 360 92.4408 54 0.79 39
IV.MPNC.HHN. 2020-07-25T16:13:59.39 0.6 undecidable manual S 207 95.0382 54 0.29 45
IV.CELI.HHE. 2020-07-25T16:13:55.53 0.6 undecidable manual S 45 78.6657 54 -0.04 49
MN.CEL.HHZ. 2020-07-25T16:13:54.43 0.6 undecidable manual S 177 71.8725 54 0.32 47
IV.PLAC.HHZ. 2020-07-25T16:13:54.48 0.3 undecidable manual S 135 71.5728 54 0.42 69
IV.CET2.HHZ. 2020-07-25T16:13:53.54 0.6 undecidable manual S 7 69.4749 54 -0.06 49
IV.MGR.HHZ. 2020-07-25T16:13:53.04 0.3 undecidable manual P 349 138.9609 54 0.23 62
IV.SIRI.HNE. 2020-07-25T16:13:52.65 0.1 undecidable manual P 0 141.4473 54 -0.48 78
IV.BULG.HHN. 2020-07-25T16:13:52.64 0.3 undecidable manual P 343 136.1637 54 0.17 64
IV.CAR1.HHZ. 2020-07-25T16:13:49.68 0.6 undecidable manual S 38 49.1175 123 0.64 44
IV.MPNC.HHN. 2020-07-25T16:13:47.20 0.3 undecidable manual P 207 95.0382 54 -0.15 69
IV.GRIS.HNE. 2020-07-25T16:13:46.93 0.1 undecidable manual P 360 92.4408 54 -0.1 94
IV.MSRU.HHZ. 2020-07-25T16:13:45.24 0.3 undecidable manual P 203 77.4669 54 0.07 73
IV.CET2.HHZ. 2020-07-25T16:13:44.16 0.1 undecidable manual P 7 69.4749 54 -0.01 100
IV.PLAC.HHZ. 2020-07-25T16:13:44.00 0.3 undecidable manual P 135 71.5728 54 -0.44 68
IV.CELI.HHE. 2020-07-25T16:13:44.98 0.3 undecidable manual P 45 78.6657 54 -0.33 69
MN.CEL.HHZ. 2020-07-25T16:13:44.22 0.3 undecidable manual P 177 71.8725 54 -0.25 71
IV.FERC.HNN. 2020-07-25T16:13:42.30 0.3 undecidable manual P 155 55.6998 120 -0.1 76
IV.CAR1.HHZ. 2020-07-25T16:13:41.50 0.6 undecidable manual P 38 49.1175 123 -0.04 52
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.JOPP.HHN. ML:1.6 0.00011449999999999999 0.4 AML other m 2020-07-25T16:13:49.08
IV.CAR1.HHE. ML:1.3 0.0000394 1.06 AML other m 2020-07-25T16:13:49.99
IV.CAR1.HHN. ML:1.3 0.000038849999999999996 1.24 AML other m 2020-07-25T16:13:50.18
IV.CET2.HHE. ML:1.4 0.0000404 0.38 AML other m 2020-07-25T16:13:54.21
IV.CET2.HHN. ML:1.8 0.0000974 0.74 AML other m 2020-07-25T16:13:54.18
MN.CEL.HHN. ML:1.2 0.00002215 0.88 AML other m 2020-07-25T16:13:59.44
MN.CEL.HHE. ML:1.3 0.000026700000000000002 1.06 AML other m 2020-07-25T16:13:59.26
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