Earthquake with magnitude of ML 3.4 on date 21-05-2008 and time 00:56:03 (Italy) in region 2 km W Laino Borgo (CS)

A magnitude ML 3.4 earthquake occured in region: 2 km W Laino Borgo (CS), on

  • 20-05-2008 22:56:03 (UTC)
  • 21-05-2008 00:56:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 39.96, 15.95 at 277 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
Laino Borgo CS 2 1921 1921
Laino Castello CS 3 848 2769
Castelluccio Inferiore PZ 6 2131 4900
Castelluccio Superiore PZ 6 824 5724
Rotonda PZ 7 3494 9218
Mormanno CS 8 3027 12245
Papasidero CS 10 734 12979
Aieta CS 11 823 13802
Viggianello PZ 12 3025 16827
Lauria PZ 14 12919 29746
Latronico PZ 15 4556 34302
Tortora CS 16 6187 40489
Praia a Mare CS 16 6725 47214
Trecchina PZ 17 2316 49530
Santa Domenica Talao CS 17 1263 50793
San Severino Lucano PZ 18 1563 52356
Nemoli PZ 18 1495 53851
Orsomarso CS 18 1265 55116
Episcopia PZ 18 1434 56550
San Nicola Arcella CS 18 1957 58507
Maratea PZ 20 5139 63646

Municipalities with at least 50000 inhabitants

An earthquake occurred to
77 Km S of Potenza (67122 inhabitants)
78 Km NW of Cosenza (67546 inhabitants)
96 Km SW of Matera (60436 inhabitants)
Recent and historical Seismicity

These maps show the seismicity for different time windows. The earthquake locations reported in these maps are determined in quasi real-time by the personnel on duty in the seismic surveillance center of INGV in Rome. Note that the earthquake source parameters (hypocentral location and magnitude) are the best estimates obstained with the available data and they are adjourned as additional data become available. The source parameters obtained by the personnel on duty are then revised by the group in charge of the INGV Seismic Bulletin (Bollettino Sismico Italiano dell’INGV).

Earthquakes of the last three days (72 hours)

Earthquakes of the last three days (72 hours)

This map reports the earthquake epicenters located in the past 72 hours (3 days) from the time this page has been generated. The radius of the circle representing the earthquake on the map scales with magnitude. The color depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours). The open star shows the epicenter of the current earthquake.
Earthquakes of the last 90 days

Earthquakes of the last 90 days

This map reports the Magnitudo ≥ 1.0 earthquake epicenters located using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Earthquakes since 1985

Earthquakes since 1985

This map reports the Magnitudo ≥ 2.5 earthquake epicenters located using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Significant earthquakes since 1000 AD until 2006

Significant earthquakes since 1000 AD until 2006

This map shows the epicenters of the historical earthquakes catalogue CPT11 (Catalogo Parametrico dei Terremoti Italiani, 2011 version) with estimated magnitude ≥ 5.0 since 1000 AD until 2006. The epicenters are represented by squares which sides scale with the estimated earthquake magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The open star shows 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 adjourned progressively as more data become available. See http://shakemap.rm.ingv.it/ for additional information.

The red star indicates the epicenter. The red triangles show the stations of the INGV Italian National Seismic Network and the blue triangles those of the Nationa Accelerometric Network of the Dipartimento della Protezione Civile.

Intensity Shakemap

Intensity Shakemap

This map shows the distribution of the istrumentally derived intensities. To this purpose, it is used a conversion relation between ground acceleration and velocity, and the Mercalli Modificata (MMI - Modified Mercalli Intensity) scale. In general, the Mercalli intensity scale relies on the effects that the ground shaking produces as reported by an observer.
Peak ground acceleration Shakemap

Peak ground acceleration Shakemap

This map shows This map shows the distribution of peak ground acceleration expressed as per cent 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
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Rev 1000 ML 3.4 2008-05-20
22:56:03
39.96 15.95 277 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 691929
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2008-05-20 22:56:03 ± 0.38
Latitude 39.96 ± 0.02
Longitude 15.95 ± 0.06
Depth (km) 277 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 691929

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4680
Semi-minor axis of confidence ellipse (meter) 1576
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) 5200
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.77
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 3.06669
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 32
Magnitude information

ML:3.4

Field Value
Value 3.4
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 691929
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:06:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.JOPP.HHZ. 2008-05-20T22:57:12.94 0.3 undecidable manual Sg 182 1.3517 -1.207 39
IV.NOCI.HHZ. 2008-05-20T22:57:11.43 0.6 undecidable manual Sg 45 1.1853 -0.853 33
IV.SERS.HHZ. 2008-05-20T22:57:11.61 0.3 undecidable manual Sg 148 1.0828 0.381 59
MN.TIP.HHZ. 2008-05-20T22:57:11.33 1.0 undecidable manual Sg 141 0.9955 0.928 17
GE.MATE.HHZ. 2008-05-20T22:57:08.66 0.3 undecidable manual Sg 39 0.8975 -0.877 51
IV.CRAC.EHZ. 2008-05-20T22:57:08.00 0.3 undecidable manual Sg 42 0.5486 0.868 56
IV.LTRZ.EHZ. 2008-05-20T22:57:08.84 0.3 undecidable manual Sg 45 0.9227 -0.909 50
IV.ORI.EHZ. 2008-05-20T22:57:07.26 1.0 undecidable manual Sg 76 0.3921 0.844 20
IV.CARO.HHZ. 2008-05-20T22:57:07.63 0.3 undecidable manual Sg 164 0.7329 -0.639 58
IV.SCHR.EHZ. 2008-05-20T22:57:06.90 0.3 undecidable manual Sg 21 0.259 0.914 58
IV.RAFF.HHZ. 2008-05-20T22:57:00.01 0.3 undecidable manual Pg 205 3.0028 0.651 16
IV.HAVL.BHZ. 2008-05-20T22:56:59.02 0.1 negative manual Pg 192 3.0667 -1.029 18
IV.HVZN.BHZ. 2008-05-20T22:56:59.21 0.1 negative manual Pg 200 2.9417 0.519 23
IV.ALJA.HHE. 2008-05-20T22:56:58.64 0.3 undecidable manual Pg 218 2.7933 1.533 11
IV.SSY.BHZ. 2008-05-20T22:56:57.24 0.1 undecidable manual Pg 194 2.8823 -0.808 21
IV.CIGN.HHN. 2008-05-20T22:56:57.15 10.0 undecidable manual Pg 0 0 0
IV.GALF.HHZ. 2008-05-20T22:56:56.24 0.1 undecidable manual Pg 206 2.492 2.241 11
IV.GIB.EHZ. 2008-05-20T22:56:54.44 0.1 undecidable manual Pg 218 2.4713 0.642 30
IV.MMME.BHZ. 2008-05-20T22:56:50.42 0.1 positive manual Pg 195 2.0936 0.247 48
IV.MPAZ.BHZ. 2008-05-20T22:56:49.16 0.1 positive manual Pg 179 2.0046 -0.215 52
IV.MTTG.HHZ. 2008-05-20T22:56:48.91 0.1 positive manual Pg 186 1.9641 -0.105 54
IV.SOI.EHZ. 2008-05-20T22:56:48.10 0.1 undecidable manual Pg 178 1.8859 -0.23 56
IV.RGNG.SHZ. 2008-05-20T22:56:46.54 0.3 undecidable manual Pg 351 1.7366 -0.547 43
MN.CEL.HHE. 2008-05-20T22:56:46.28 0.1 positive manual Pg 182 1.6979 -0.488 60
I1.MSCL.BHZ. 2008-05-20T22:56:46.36 0.1 positive manual Pg 184 1.7303 -0.67 55
IV.SCLL.SHZ. 2008-05-20T22:56:46.22 0.1 positive manual Pg 186 1.7114 -0.658 55
IV.MSRU.BHZ. 2008-05-20T22:56:46.35 0.1 positive manual Pg 192 1.7285 -0.663 55
IV.PLAC.HHZ. 2008-05-20T22:56:45.98 0.1 positive manual Pg 166 1.554 0.323 67
IV.GRI.SHZ. 2008-05-20T22:56:44.08 0.1 positive manual Pg 162 1.1916 0.918 63
IV.JOPP.HHZ. 2008-05-20T22:56:43.92 0.1 positive manual Pg 182 1.3517 -0.277 75
IV.NOCI.HHZ. 2008-05-20T22:56:43.09 0.1 positive manual Pg 45 1.1853 -0.03 83
IV.SERS.HHZ. 2008-05-20T22:56:43.33 0.1 positive manual Pg 148 1.0828 0.813 67
MN.TIP.HHZ. 2008-05-20T22:56:42.85 0.1 positive manual Pg 141 0.9955 0.814 69
IV.LTRZ.EHZ. 2008-05-20T22:56:41.51 0.1 positive manual Pg 45 0.9227 -0.155 86
IV.SGO.SHZ. 2008-05-20T22:56:41.11 0.3 undecidable manual Pg 321 0.777 0.12 67
GE.MATE.HHZ. 2008-05-20T22:56:41.32 0.1 positive manual Pg 39 0.8975 -0.216 85
IV.CRAC.EHZ. 2008-05-20T22:56:40.37 0.1 positive manual Pg 42 0.5486 0.217 91
IV.CARO.HHZ. 2008-05-20T22:56:40.52 0.1 undecidable manual Pg 164 0.7329 -0.284 87
IV.CDRU.HHE. 2008-05-20T22:56:40.75 0.1 positive manual Pg 317 0.7249 -0.025 92
IV.ORI.EHZ. 2008-05-20T22:56:40.14 0.1 undecidable manual Pg 76 0.3921 0.405 91
IV.MGR.HHE. 2008-05-20T22:56:39.42 0.1 positive manual Pg 301 0.3534 -0.231 95
IV.SCHR.EHZ. 2008-05-20T22:56:39.75 0.1 positive manual Pg 21 0.259 0.263 96
IV.SIRI.HHE. 2008-05-20T22:56:39.54 0.1 undecidable manual Pg 344 0.2329 0.088 100
IV.MILZ.HHZ. 2008-05-20T22:56:33.31 10.0 undecidable manual Pg 0 0 0
IV.CDCA.EHE. 2008-05-20T22:56:19.98 10.0 undecidable manual Pg 0 0 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MGR.HHN. ML:3 0.00014 0.38 AML other m 2008-05-20T22:56:39.42
IV.MGR.HHE. ML:3 0.000125 1.04 AML other m 2008-05-20T22:56:39.42
IV.SCHR.EHN. ML:2.9 0.000105 1.6 AML other m 2008-05-20T22:56:39.75
IV.SCHR.EHE. ML:2.9 0.000115 0.48 AML other m 2008-05-20T22:56:39.75
IV.ORI.EHN. ML:3.7 0.000625 0.32 AML other m 2008-05-20T22:56:40.14
IV.ORI.EHE. ML:3.7 0.00086 0.32 AML other m 2008-05-20T22:56:40.14
IV.CRAC.EHN. ML:3.4 0.00032 0.32 AML other m 2008-05-20T22:56:40.37
IV.CRAC.EHE. ML:3.4 0.00041 0.28 AML other m 2008-05-20T22:56:40.37
IV.CARO.HHN. ML:3.9 0.00089 0.42 AML other m 2008-05-20T22:56:40.52
IV.CARO.HHE. ML:3.9 0.00112 0.3 AML other m 2008-05-20T22:56:40.52
IV.CDRU.HHN. ML:2.8 8.5E-5 2.2 AML other m 2008-05-20T22:56:40.75
IV.CDRU.HHE. ML:2.8 0.00011 3.6 AML other m 2008-05-20T22:56:40.75
IV.SGO.SHZ. ML:0 0.000155 0.52 AML other m 2008-05-20T22:56:41.11
GE.MATE.HHN. ML:3.1 0.00014 0.7 AML other m 2008-05-20T22:56:41.32
GE.MATE.HHE. ML:3.1 0.00016 0.58 AML other m 2008-05-20T22:56:41.32
IV.LTRZ.EHN. ML:3.4 0.000295 0.56 AML other m 2008-05-20T22:56:41.51
IV.LTRZ.EHE. ML:3.4 0.000295 0.32 AML other m 2008-05-20T22:56:41.51
MN.TIP.HHN. ML:3.5 0.000395 0.82 AML other m 2008-05-20T22:56:42.85
MN.TIP.HHE. ML:3.5 0.00041 0.56 AML other m 2008-05-20T22:56:42.85
IV.NOCI.HHN. ML:3.1 0.000215 0.64 AML other m 2008-05-20T22:56:43.09
IV.NOCI.HHE. ML:3.1 9.0E-5 0.26 AML other m 2008-05-20T22:56:43.09
IV.SERS.HHN. ML:3.4 0.0004 0.24 AML other m 2008-05-20T22:56:43.33
IV.SERS.HHE. ML:3.4 0.000265 0.22 AML other m 2008-05-20T22:56:43.33
IV.JOPP.HHN. ML:3.5 0.000325 0.26 AML other m 2008-05-20T22:56:43.92
IV.JOPP.HHE. ML:3.5 0.000385 0.22 AML other m 2008-05-20T22:56:43.92
IV.GRI.SHZ. ML:0 0.000595 0.28 AML other m 2008-05-20T22:56:44.08
IV.PLAC.HHN. ML:3.4 0.000205 0.24 AML other m 2008-05-20T22:56:45.98
IV.PLAC.HHE. ML:3.4 0.000255 0.32 AML other m 2008-05-20T22:56:45.98
IV.SCLL.SHZ. ML:0 0.000115 0.28 AML other m 2008-05-20T22:56:46.22
MN.CEL.HHN. ML:3.6 0.000325 0.16 AML other m 2008-05-20T22:56:46.28
MN.CEL.HHE. ML:3.6 0.00043 0.14 AML other m 2008-05-20T22:56:46.28
IV.MSRU.BHN. ML:3.4 0.000205 0.3 AML other m 2008-05-20T22:56:46.35
IV.MSRU.BHE. ML:3.4 0.000235 0.38 AML other m 2008-05-20T22:56:46.35
I1.MSCL.BHE. ML:3.5 0.00028 0.14 AML other m 2008-05-20T22:56:46.36
IV.SOI.EHN. ML:3 9.0E-5 0.28 AML other m 2008-05-20T22:56:48.10
IV.SOI.EHE. ML:3 8.0E-5 0.48 AML other m 2008-05-20T22:56:48.10
IV.MTTG.HHN. ML:3.3 0.000175 0.38 AML other m 2008-05-20T22:56:48.91
IV.MTTG.HHE. ML:3.3 0.000125 0.4 AML other m 2008-05-20T22:56:48.91
IV.MPAZ.BHN. ML:3.4 0.0002 0.44 AML other m 2008-05-20T22:56:49.16
IV.MPAZ.BHE. ML:3.4 0.000225 0.28 AML other m 2008-05-20T22:56:49.16
IV.MMME.BHN. ML:3.2 0.000115 0.26 AML other m 2008-05-20T22:56:50.42
IV.MMME.BHE. ML:3.2 0.000105 0.64 AML other m 2008-05-20T22:56:50.42
IV.GIB.EHN. ML:3.6 0.000295 0.92 AML other m 2008-05-20T22:56:54.44
IV.GIB.EHE. ML:3.6 0.000235 1.2 AML other m 2008-05-20T22:56:54.44
IV.SSY.BHN. ML:3.5 0.0002 0.2 AML other m 2008-05-20T22:56:57.24
IV.SSY.BHE. ML:3.5 0.0001 3.3 AML other m 2008-05-20T22:56:57.24
IV.ALJA.HHN. ML:3.3 9.5E-5 3.66 AML other m 2008-05-20T22:56:58.64
IV.ALJA.HHE. ML:3.3 9.5E-5 2.12 AML other m 2008-05-20T22:56:58.64
IV.HAVL.BHN. ML:3.8 0.00035 0.28 AML other m 2008-05-20T22:56:59.02
IV.HAVL.BHE. ML:3.8 0.000165 0.18 AML other m 2008-05-20T22:56:59.02
IV.HVZN.BHN. ML:4 0.00051 0.58 AML other m 2008-05-20T22:56:59.21
IV.HVZN.BHE. ML:4 0.00038 0.42 AML other m 2008-05-20T22:56:59.21
IV.RAFF.HHN. ML:3.5 0.000175 3.86 AML other m 2008-05-20T22:57:00.01
IV.RAFF.HHE. ML:3.5 0.00014 1.48 AML other m 2008-05-20T22:57:00.01
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Focal Mechanisms

Focal Mechanisms

This map reports the focal mechanisms since 1977 in the region. The white and red beach ball symbols are mechanisms determined using the Regional Centroid Moment Tensor (RCMT, http://www.bo.ingv.it/RCMT) and are determined for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when there is a good source-receiver geometry of the target earthquake, the RCMT can be obtained also for earthquakes with magnitude larger than 4.0. The blue and white beach ball symbols indicate the mechanisms obtained from application of the Time Domain Moment Tensor (TDMT, http://terremoti.ingv.it/tdmt.html). This technique is used for M ≥ 3.5. The size of the beach ball sysmbol 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 full SEED format Download