Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 26-08-2015 and time 12:35:22 (UTC) in region Costa Ionica Catanzarese (Catanzaro)

A magnitude ML 1.4 earthquake occured in region: Costa Ionica Catanzarese (Catanzaro), on

  • 26-08-2015 12:35:22 (UTC)
  • 26-08-2015 14:35:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.8970, 16.8130 at 31 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sellia Marina CZ 6 7513 7513
Botricello CZ 6 5220 12733
Cropani CZ 9 4778 17511
Soveria Simeri CZ 13 1564 19075
Belcastro CZ 14 1399 20474
Andali CZ 14 769 21243
Marcedusa CZ 15 448 21691
Sersale CZ 15 4630 26321
Cerva CZ 15 1223 27544
Simeri Crichi CZ 16 4698 32242
Petronà CZ 17 2629 34871
Zagarise CZ 18 1647 36518
Sellia CZ 19 530 37048
Catanzaro CZ 19 90612 127660

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km E of Catanzaro (90612 inhabitants)
34 Km SW of Crotone (62178 inhabitants)
44 Km E of Lamezia Terme (70714 inhabitants)
65 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 1.4 2015-08-26
12:35:22		 38.8967 16.8128 31 2016-01-08
08:46:44		 Bollettino Sismico Italiano INGV 22269491
Reviewed
Rev100 		ML 1.3 2015-08-26
12:35:21		 38.8302 16.9255 10 2015-08-26
12:49:58		 Sala Sismica INGV-Roma 21081071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-08-26 12:35:22 ± 0.58
Latitude 38.8967 ± 0.0198
Longitude 16.8128 ± 0.0578
Depth (km) 31 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 22269491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 5066
Semi-minor axis of confidence ellipse (meter) 1376
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 105
Circular confidence region, given by single value of horizontal uncertainty (meter) 5070.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 195
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 5.57580
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 3
Type of magnitude ML
Reference to an origin 22269491
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-11-16 16:40:33

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 3
Type of magnitude ML
Reference to an origin 21081071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-08-26 12:49:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PE3.EHZ. 2015-08-26T12:36:47.14 3.0 undecidable manual Pn 618.9138 -0.89 0
IV.MIDA.HHZ. 2015-08-26T12:36:55.99 3.0 undecidable manual Sg 1.29 0
IV.LNSS.HHZ. 2015-08-26T12:36:42.38 3.0 negative manual Pg 9.78 0
IV.EPOZ.HHZ. 2015-08-26T12:36:17.99 3.0 undecidable manual Sg 0.04 0
IV.ERC.EHZ. 2015-08-26T12:36:13.59 3.0 undecidable manual Pn -1.33 0
IV.MEU.SHZ. 2015-08-26T12:36:08.18 3.0 undecidable manual Pg 5.82 0
IV.MCRV.HHZ. 2015-08-26T12:35:59.54 3.0 undecidable manual Pn -0.17 0
IV.HAGA.HHZ. 2015-08-26T12:35:58.36 3.0 undecidable manual Pn -0.07 0
IV.ECNV.HHZ. 2015-08-26T12:35:55.44 3.0 undecidable manual Pn -2.56 0
IV.PLAC.HHZ. 2015-08-26T12:35:42.47 0.6 undecidable manual S 213 59.2962 112 0.8 39
IV.JOPP.HHZ. 2015-08-26T12:35:37.05 0.3 undecidable manual P 248 86.4468 105 -0.42 70
MN.TIP.HHZ. 2015-08-26T12:35:35.60 0.6 undecidable manual S 351 31.746 130 0.3 51
IV.CELI.HHZ. 2015-08-26T12:35:34.05 0.3 undecidable manual P 335 61.8936 111 0.17 72
IV.CAR1.HHZ. 2015-08-26T12:35:34.55 0.3 undecidable manual P 308 65.1903 110 0.2 70
IV.PLAC.HHZ. 2015-08-26T12:35:33.40 0.1 undecidable manual P 213 59.2962 112 -0.1 100
IV.SERS.HHZ. 2015-08-26T12:35:32.83 0.6 undecidable manual S 325 18.7701 146 -0.14 53
IV.LADO.EHE. 2015-08-26T12:35:32.50 0.6 undecidable manual P 18 45.3213 119 0.95 42
MN.TIP.HHZ. 2015-08-26T12:35:29.53 0.1 undecidable manual P 351 31.746 130 -0.29 99
IV.SERS.HHZ. 2015-08-26T12:35:28.01 0.1 undecidable manual P 325 18.7701 146 -0.46 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PLAC.HHN. ML:1.5 0.000062 0.8 AML other m 2015-08-26T12:35:43.34
IV.PLAC.HHE. ML:1.5 0.000056550000000000006 0.86 AML other m 2015-08-26T12:35:44.18
IV.SERS.HHE. ML:1.6 0.000144 1.58 AML other m 2015-08-26T12:35:34.31
IV.SERS.HHN. ML:1.5 0.0001185 0.36 AML other m 2015-08-26T12:35:34.19
MN.TIP.HHN. ML:1.2 0.00005225 0.42 AML other m 2015-08-26T12:35:36.37
MN.TIP.HHE. ML:0.9 0.0000275 1.2 AML other m 2015-08-26T12:35:36.10
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