Earthquake with magnitude of ML 3.1 on date 26-08-2015 and time 06:28:36 (Italy) in region Costa Ionica Catanzarese (Catanzaro)

A magnitude ML 3.1 earthquake occured in region: Costa Ionica Catanzarese (Catanzaro), on

  • 26-08-2015 04:28:36 (UTC)
  • 26-08-2015 06:28:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.7890, 16.9050 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Botricello CZ 17 5220 5220
Sellia Marina CZ 19 7513 12733

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Catanzaro (90612 inhabitants)
38 Km SW of Crotone (62178 inhabitants)
55 Km E of Lamezia Terme (70714 inhabitants)
79 Km SE of Cosenza (67546 inhabitants)
Recent and historical seismicity

These maps show the seismic activity in different time intervals, before the seismic event to which they refer. Data reported in the first two maps come from the analysis carried out in real time by the personnel of the INGV Operating Rooms, immediately after each earthquake. The third map shows data from 1985 to the date of the earthquake: the locations are reviewed by the seismological analysts of the INGV Italian Seismic Bulletin (Bollettino Sismico Italiano dell’INGV). The localization parameters (hypocentral coordinates and magnitude) are the best possible estimate with the data available to the INGV, but are constantly updated according to further data that become available. The location and magnitude parameters, subsequently reviewed by seismological analysts, may vary.

Earthquakes of the 3 days preceding this event

Earthquakes of the 3 days preceding this event

This map shows the earthquake epicenters with magnitude ≥ 0.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 72 hours preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes of the 90 days preceding this event

Earthquakes of the 90 days preceding this event

This map shows the earthquake epicenters with magnitude ≥ 2.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, in the 90 days preceding this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes from 1985 to the date of the event

Earthquakes from 1985 to the date of the event

This map shows the earthquake epicenters with magnitude ≥ 3.0, localized with data recorded by the National Seismic Network and other collaborative networks both in Italy and in neighboring countries, from 1985 to the date of this event. The size of the circle indicates the different classes of magnitude. The colors indicate the different time intervals preceding the seismic event. The black and white star is the epicenter of the current earthquake.
Earthquakes since 1000 AD until 2019

Earthquakes since 1000 AD until 2019

This map shows the epicenters of the historical earthquakes catalogue CPT15 (Catalogo Parametrico dei Terremoti Italiani, 2015 version 3.0, https://doi.org/10.13127/cpti/cpti15.3) since 1000 AD until 2019. The size of the square indicates the different classes of magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The black and white star is the epicenter of the current earthquake.
Seismic hazard

Seismic hazard maps provide probabilistic estimates of the earthquake ground shaking exceeding a given threshold in a given geographic region within a given time window. Thus, it is not a deterministic prediction - a target that may be never reached given the complexity of the earthquake physical phenomenon - nor of the maximum expected earthquake since this has extremely low probabilities to occur.

In 2004, it was published the seismic hazard map of Italy (http://zonesismiche.mi.ingv.it) that provides a picture of the most hazardous geographic regions. The seismic hazard map of Italy (GdL MPS, 2004; rif. Ordinanza PCM del 28 aprile 2006, n. 3519, All. 1b) provides the 10% probability of exceedance in 50 years of the horizontal acceleration at rock sites (i.e., Vs30>800 m/s; cat. A, 3.2.1 of the D.M. 14.09.2005).

The colours indicate the various values of the ground acceleration that have 10% to be exceeded within 50 years. In general, the colours associated to low values of acceleration refer to areas that are less hazardous and stronger earthquakes repeat less frequently although they may still occur.

Seismic hazard map

Seismic hazard map

This map shows the seismic hazard map of Italy for the region where the earthquake occurred.
Shakemap

These three maps show the results of the analysis using the software ShakeMap designed to provide the level of ground shaking experienced in a region using the data recorded by seismometers and strong motion instruments and seismological information regarding the attenuation of the wavefield with distance and the site characteristics. The Shakemaps are determined for research purposes to provide fast estimates of the level of ground shaking produced by the earthquake. The maps are calculated automatically and updated as more data become available. See http://shakemap.ingv.it for additional information. The black star indicates the epicenter. The triangles show the accelerometric and velocimetric stations used in the calculation, colored according to the recorded shaking.

Intensity Shakemap

Intensity Shakemap

This map shows the distribution of instrumental intensities. The intensity is derived through an empirical law that correlates the recorded values of actual ground shaking, e.g., acceleration and velocity, with the macroseismic intensity for Italian earthquakes, as reported in the Italian Macroseismic Database (DBMI15, https://doi.org/10.13127/cpti/cpti15.3).
Peak ground acceleration Shakemap

Peak ground acceleration Shakemap

This map shows the distribution of peak ground acceleration expressed as percent of the acceleration of gravity (i.e., g = 9.81 m/s²).
Peak velocity Shakemap

Peak velocity Shakemap

This map shows the distribution of peak ground velocities expressed in cm/s.
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
ML 3.1 2015-08-26
04:28:36
38.7887 16.9052 31 2016-01-08
08:46:44
Bollettino Sismico Italiano INGV 22063701
Reviewed
Rev100
ML 3.1 2015-08-26
04:28:35
38.792 16.9137 30 2015-08-26
04:45:09
Sala Sismica INGV-Roma 21074501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-08-26 04:28:36 ± 0.12
Latitude 38.7887 ± 0.0045
Longitude 16.9052 ± 0.0092
Depth (km) 31 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 22063701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 877
Semi-minor axis of confidence ellipse (meter) 160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 294
Circular confidence region, given by single value of horizontal uncertainty (meter) 880.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 180
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 45
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.29857
Epicentral distance of station farthest from the epicenter (degree) 2.24741
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:3.1

Field Value
Value 3.1
Uncertainty 0.2
Num. used stations 29
Type of magnitude ML
Reference to an origin 22063701
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-11-03 10:08:00

ML:3.1

Field Value
Value 3.1
Uncertainty 0.2
Num. used stations 35
Type of magnitude ML
Reference to an origin 21074501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-08-26 04:45:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSRU.HHZ. 2015-08-26T04:29:13.27 0.6 undecidable manual S 245 134.4654 54 -0.01 43
IV.MRLC.HHZ. 2015-08-26T04:29:11.90 0.6 undecidable manual P 332 249.4614 54 0.07 23
IV.T0702.EHZ. 2015-08-26T04:29:11.73 0.3 undecidable manual S 326 125.1747 54 0.45 60
IV.CET2.HHZ. 2015-08-26T04:29:09.62 0.3 undecidable manual S 315 115.8951 54 0.35 63
IV.TDS.HHZ. 2015-08-26T04:29:07.85 0.6 undecidable manual S 333 108.3138 54 0.22 44
MN.CEL.HHZ. 2015-08-26T04:29:07.00 0.3 undecidable manual S 237 105.5166 54 -0.04 68
IV.IFIL.HHZ. 2015-08-26T04:29:05.82 0.3 undecidable manual P 264 203.3409 54 -0.27 45
IV.MIGL.HHZ. 2015-08-26T04:29:05.88 0.6 undecidable manual P 349 205.239 54 -0.46 28
IV.MTSN.HHZ. 2015-08-26T04:29:04.34 0.3 undecidable manual P 329 191.364 54 -0.26 48
IV.SCTE.HHZ. 2015-08-26T04:29:04.88 0.6 undecidable manual P 43 195.4599 54 -0.23 32
IV.BULG.HHZ. 2015-08-26T04:29:04.72 0.6 undecidable manual P 318 193.8615 54 -0.2 32
IV.MGR.HHZ. 2015-08-26T04:29:04.05 0.6 undecidable manual P 323 189.1662 54 -0.28 32
IV.NOV.HHZ. 2015-08-26T04:29:03.00 0.6 undecidable manual P 242 175.3911 54 0.38 34
IV.JOPP.HHZ. 2015-08-26T04:29:03.73 0.3 undecidable manual S 257 90.5427 104 0.41 65
IV.CRAC.EHZ. 2015-08-26T04:29:03.75 0.6 undecidable manual P 347 181.1853 54 0.41 33
IV.SIRI.HHZ. 2015-08-26T04:29:03.19 0.6 undecidable manual P 330 178.2882 54 0.21 35
IV.MCSR.HHZ. 2015-08-26T04:29:01.06 0.6 undecidable manual P 242 166.3113 54 -0.42 35
IV.PIPA.HHZ. 2015-08-26T04:29:00.50 0.3 undecidable manual S 354 77.6667 107 0.5 66
MN.CUC.HHZ. 2015-08-26T04:29:00.54 0.6 undecidable manual P 325 163.1145 54 -0.55 35
IV.CAR1.HHZ. 2015-08-26T04:29:00.22 1.0 undecidable manual S 311 78.9654 107 -0.12 23
IV.MPNC.HHZ. 2015-08-26T04:28:59.60 0.6 undecidable manual P 243 152.5362 54 -0.17 40
IV.CELI.HHZ. 2015-08-26T04:28:59.85 0.3 undecidable manual S 334 76.1682 107 0.22 70
IV.IST3.HHZ. 2015-08-26T04:28:58.19 1.0 undecidable manual P 271 144.8439 54 -0.62 18
IV.SALB.HHZ. 2015-08-26T04:28:57.05 0.1 undecidable manual P 339 129.9699 54 0.09 85
IV.MSRU.HHZ. 2015-08-26T04:28:57.40 0.6 undecidable manual P 245 134.4654 54 -0.13 42
IV.T0702.EHZ. 2015-08-26T04:28:56.41 0.1 undecidable manual P 326 125.1747 54 0.04 87
IV.CET2.HHZ. 2015-08-26T04:28:55.08 0.1 undecidable manual P 315 115.8951 54 -0.13 87
IV.GMB.BHZ. 2015-08-26T04:28:55.50 0.3 undecidable manual P 234 116.0949 54 0.26 63
IV.PLAC.HHZ. 2015-08-26T04:28:54.79 0.3 undecidable manual S 227 55.3002 114 0.38 69
MN.CEL.HHZ. 2015-08-26T04:28:54.24 0.1 undecidable manual P 237 105.5166 54 0.31 85
IV.LADO.EHZ. 2015-08-26T04:28:54.64 0.6 undecidable manual S 7 55.3002 114 0.22 48
IV.SOI.EHZ. 2015-08-26T04:28:54.38 0.1 undecidable manual P 223 108.5136 54 0.09 89
IV.TDS.HHZ. 2015-08-26T04:28:54.04 0.1 undecidable manual P 333 108.3138 54 -0.23 87
IV.GRI.EHZ. 2015-08-26T04:28:51.17 0.3 undecidable manual S 275 42.1245 122 -0.13 75
IV.JOPP.HHZ. 2015-08-26T04:28:51.37 0.3 undecidable manual P 257 90.5427 104 -0.41 65
MN.TIP.HHZ. 2015-08-26T04:28:51.87 0.3 undecidable manual S 344 45.1215 120 -0.13 74
IV.CELI.HHZ. 2015-08-26T04:28:49.24 0.1 undecidable manual P 334 76.1682 107 -0.41 89
IV.SERS.HHZ. 2015-08-26T04:28:49.83 0.3 undecidable manual S 326 33.1446 129 0.47 72
IV.PIPA.HHZ. 2015-08-26T04:28:49.83 0.3 undecidable manual P 354 77.6667 107 -0.03 72
IV.CAR1.HHZ. 2015-08-26T04:28:49.69 0.3 undecidable manual P 311 78.9654 107 -0.36 67
IV.LADO.EHZ. 2015-08-26T04:28:47.01 0.3 undecidable manual P 7 55.3002 114 0.37 70
IV.PLAC.HHZ. 2015-08-26T04:28:46.99 0.1 positive manual P 227 55.3002 114 0.36 93
MN.TIP.HHZ. 2015-08-26T04:28:45.13 0.1 negative manual P 344 45.1215 120 -0.11 100
IV.GRI.EHZ. 2015-08-26T04:28:44.23 0.1 undecidable manual P 275 42.1245 122 -0.61 89
IV.SERS.HHZ. 2015-08-26T04:28:43.37 0.1 negative manual P 326 33.1446 129 -0.35 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ACER.HHE. ML:3.2 0.0003635 0.58 AML other m 2015-08-26T04:29:58.72
IV.ACER.HHN. ML:3.1 0.0002415 0.9 AML other m 2015-08-26T04:30:02.51
IV.AMUR.HHE. ML:2.9 0.000174 0.4 AML other m 2015-08-26T04:29:36.14
IV.AMUR.HHN. ML:2.8 0.00013350000000000002 0.54 AML other m 2015-08-26T04:29:50.60
IV.BULG.HHN. ML:3.3 0.0006925 0.72 AML other m 2015-08-26T04:29:41.11
IV.BULG.HHE. ML:3.1 0.0004275 0.94 AML other m 2015-08-26T04:29:31.61
MN.CEL.HNN. ML:2.9 0.0007295 1.4 AML other m 2015-08-26T04:29:20.35
MN.CEL.HHN. ML:3.0 0.000891 1.42 AML other m 2015-08-26T04:29:20.35
MN.CEL.HHE. ML:3.1 0.0010550000000000002 1.48 AML other m 2015-08-26T04:29:17.38
MN.CEL.HNE. ML:3.0 0.0008715 1.5 AML other m 2015-08-26T04:29:17.38
IV.CELI.HHE. ML:3.6 0.004865 0.54 AML other m 2015-08-26T04:29:02.87
IV.CELI.HNE. ML:3.2 0.00196 0.54 AML other m 2015-08-26T04:29:03.14
IV.CELI.HNN. ML:3.1 0.001745 1.58 AML other m 2015-08-26T04:29:03.12
IV.CELI.HHN. ML:3.5 0.004435000000000001 1.58 AML other m 2015-08-26T04:29:03.12
IV.CRAC.EHN. ML:3.1 0.00047400000000000003 0.52 AML other m 2015-08-26T04:29:26.75
IV.CRAC.EHE. ML:3.3 0.0006975 0.78 AML other m 2015-08-26T04:29:57.37
MN.CUC.HNN. ML:3.1 0.0004965000000000001 0.74 AML other m 2015-08-26T04:29:28.87
MN.CUC.HNE. ML:3.0 0.0004615 0.4 AML other m 2015-08-26T04:29:25.12
MN.CUC.HHE. ML:3.1 0.000579 0.4 AML other m 2015-08-26T04:29:25.12
MN.CUC.HHN. ML:3.2 0.0006165000000000001 0.76 AML other m 2015-08-26T04:29:28.86
IV.GRI.EHE. ML:3.3 0.005395 1.4 AML other m 2015-08-26T04:28:52.03
IV.GRI.EHN. ML:3.2 0.0035600000000000002 0.48 AML other m 2015-08-26T04:28:52.73
IV.HAGA.HHN. ML:2.9 0.0001735 1.12 AML other m 2015-08-26T04:29:50.51
IV.HAGA.HHE. ML:2.9 0.00017999999999999998 1.44 AML other m 2015-08-26T04:30:03.60
IV.IST3.HHE. ML:3.4 0.00138 0.52 AML other m 2015-08-26T04:29:24.37
IV.IST3.HHN. ML:3.5 0.001785 0.62 AML other m 2015-08-26T04:29:20.93
IV.JOPP.HHN. ML:3.1 0.00128 0.54 AML other m 2015-08-26T04:29:06.57
IV.JOPP.HHE. ML:3.1 0.001435 0.3 AML other m 2015-08-26T04:29:08.47
IV.LADO.EHN. ML:1.8 0.000133 0.4 AML other m 2015-08-26T04:28:57.86
IV.LADO.EHE. ML:2.1 0.0002355 0.9 AML other m 2015-08-26T04:28:58.86
IV.MCSR.HHE. ML:3.3 0.0008514999999999999 1.36 AML other m 2015-08-26T04:29:30.20
IV.MCSR.HHN. ML:3.4 0.0010405 1 AML other m 2015-08-26T04:29:38.84
IV.MGR.HHE. ML:2.9 0.000249 0.88 AML other m 2015-08-26T04:29:43.28
IV.MGR.HHN. ML:3.0 0.0003415 0.44 AML other m 2015-08-26T04:29:37.29
IV.MIGL.HHN. ML:3.5 0.0008325 1.26 AML other m 2015-08-26T04:29:54.67
IV.MIGL.HHE. ML:3.3 0.000626 0.88 AML other m 2015-08-26T04:30:05.83
IV.MRLC.HHE. ML:3.0 0.000179 0.52 AML other m 2015-08-26T04:29:24.68
IV.MRLC.HHN. ML:3.0 0.0001955 0.5 AML other m 2015-08-26T04:29:23.95
IV.MSRU.HHN. ML:3.2 0.00108 0.44 AML other m 2015-08-26T04:29:22.34
IV.MSRU.HHE. ML:3.4 0.0014750000000000002 0.66 AML other m 2015-08-26T04:29:28.00
IV.MTSN.HHE. ML:3.0 0.00035099999999999997 0.6 AML other m 2015-08-26T04:29:41.25
IV.MTSN.HHN. ML:3.0 0.000314 0.74 AML other m 2015-08-26T04:29:43.08
IV.NOCI.HHN. ML:3.1 0.00031 0.42 AML other m 2015-08-26T04:29:48.67
IV.NOCI.HHE. ML:3.0 0.00021800000000000004 1.42 AML other m 2015-08-26T04:29:43.84
IV.NOV.HHN. ML:3.0 0.000397 0.68 AML other m 2015-08-26T04:29:33.50
IV.NOV.HHE. ML:3.1 0.00046499999999999997 0.92 AML other m 2015-08-26T04:29:36.19
IV.PIPA.HNE. ML:3.1 0.0017050000000000001 0.36 AML other m 2015-08-26T04:29:09.07
IV.PIPA.HHE. ML:3.1 0.0016950000000000001 0.38 AML other m 2015-08-26T04:29:08.89
IV.PIPA.HHN. ML:3.0 0.001465 0.7 AML other m 2015-08-26T04:29:09.68
IV.PIPA.HNN. ML:3.0 0.0014550000000000001 0.7 AML other m 2015-08-26T04:29:09.68
IV.PLAC.HHE. ML:3.3 0.0035700000000000003 0.7 AML other m 2015-08-26T04:28:58.22
IV.PLAC.HHN. ML:3.1 0.0024449999999999997 0.78 AML other m 2015-08-26T04:28:57.18
IV.SALB.HNN. ML:2.7 0.00033650000000000005 0.82 AML other m 2015-08-26T04:29:27.75
IV.SALB.HHN. ML:2.8 0.0003585 0.84 AML other m 2015-08-26T04:29:27.75
IV.SALB.HNE. ML:2.9 0.0005309999999999999 0.68 AML other m 2015-08-26T04:29:22.97
IV.SALB.HHE. ML:3.0 0.000551 0.68 AML other m 2015-08-26T04:29:22.96
IV.SCTE.HHE. ML:2.9 0.000229 0.52 AML other m 2015-08-26T04:29:49.79
IV.SCTE.HHN. ML:2.9 0.000264 0.54 AML other m 2015-08-26T04:29:46.82
IV.SERS.HNN. ML:3.2 0.004905 0.5 AML other m 2015-08-26T04:28:48.92
IV.SERS.HHN. ML:3.3 0.006755 0.4 AML other m 2015-08-26T04:28:48.74
IV.SERS.HNE. ML:3.3 0.005960000000000001 0.4 AML other m 2015-08-26T04:28:48.75
IV.SERS.HHE. ML:3.2 0.004719999999999999 0.38 AML other m 2015-08-26T04:28:54.64
IV.SIRI.HHE. ML:3.1 0.000468 0.38 AML other m 2015-08-26T04:29:11.25
IV.SIRI.HHN. ML:3.2 0.000554 1.38 AML other m 2015-08-26T04:29:38.18
IV.SIRI.HNN. ML:3.1 0.0005395 1.38 AML other m 2015-08-26T04:29:38.18
IV.SIRI.HNE. ML:3.1 0.0004535 0.38 AML other m 2015-08-26T04:29:11.25
IV.SSY.HHN. ML:3.2 0.000313 0.24 AML other m 2015-08-26T04:29:44.59
IV.SSY.HHE. ML:2.9 0.00015999999999999999 1.52 AML other m 2015-08-26T04:29:45.93
IV.TDS.HHN. ML:3.1 0.0011 1.18 AML other m 2015-08-26T04:29:14.67
IV.TDS.HHE. ML:3.1 0.00102 1.28 AML other m 2015-08-26T04:29:14.62
MN.TIP.HHE. ML:3.1 0.0028899999999999998 0.9 AML other m 2015-08-26T04:28:53.14
MN.TIP.HHN. ML:3.2 0.00366 0.56 AML other m 2015-08-26T04:28:52.48
MN.TIP.HNN. ML:3.1 0.00292 0.56 AML other m 2015-08-26T04:28:52.48
MN.TIP.HNE. ML:3.0 0.00246 0.9 AML other m 2015-08-26T04:28:53.14
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Fault Plane solutions

Fault Plane solutions

The map reports the fault plane solutions for earthquakes in the region from 1977 to the date of this event. Red moment tensors are determined using the Regional Centroid Moment Tensor technique (RCMT, http://www.bo.ingv.it/RCMT) applied for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when a station azimuthal coverage exists RCMTs can be obtained also for earthquakes with magnitude down to 4.0. The gray moment tensors are obtained with the Time Domain Moment Tensor method (TDMT, /tdmt). This technique is applied to earthquakes with magnitude ML greater than 3.2, when it is possible. The size of symbols scales with the calculated moment magnitude Mw.
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