Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 04-12-2015 and time 01:49:08 (Italy) in region Costa Calabra sud orientale (Reggio di Calabria)

A magnitude ML 2.2 earthquake occured in region: Costa Calabra sud orientale (Reggio di Calabria), on

  • 04-12-2015 00:49:08 (UTC)
  • 04-12-2015 01:49:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8470, 15.6850 at 33 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
Roghudi RC 11 1104 1104
Melito di Porto Salvo RC 12 11355 12459
Montebello Ionico RC 16 6214 18673
Motta San Giovanni RC 17 6208 24881

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km S of Reggio di Calabria (183035 inhabitants)
40 Km S of Messina (238439 inhabitants)
52 Km NE of Acireale (52622 inhabitants)
65 Km NE of Catania (314555 inhabitants)
94 Km NE of Siracusa (122291 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 2.2 2015-12-04
00:49:08		 37.8472 15.6848 33 2016-02-19
13:23:08		 Bollettino Sismico Italiano INGV 23079911
Reviewed
Rev100 		ML 2.2 2015-12-04
00:49:08		 37.85 15.6802 33 2015-12-04
01:12:32		 Sala Sismica INGV-Roma 22538371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-12-04 00:49:08 ± 0.08
Latitude 37.8472 ± 0.0036
Longitude 15.6848 ± 0.0057
Depth (km) 33 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 23079911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 500
Semi-minor axis of confidence ellipse (meter) 350
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 299
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.00005
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 19
Type of magnitude ML
Reference to an origin 22538371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-12-04 01:05:21

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 23079911
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-01-14 12:24:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AMUR.HHZ. 2015-12-04T00:49:56.24 3.0 negative manual Pn 0.36 0
IV.NOCI.HHZ. 2015-12-04T00:49:55.07 3.0 negative manual Pn -0.7 0
MN.CUC.HHZ. 2015-12-04T00:49:42.42 3.0 undecidable manual Pn 0.21 0
IV.HAVL.HHZ. 2015-12-04T00:49:40.07 0.1 undecidable manual S 207 110.2119 54 -0.02 87
IV.MEU.SHZ. 2015-12-04T00:49:40.16 0.3 undecidable manual S 223 111 54 -0.1 64
IV.PIPA.HHZ. 2015-12-04T00:49:40.07 3.0 undecidable manual Pn 1.62 0
IV.CELI.HHZ. 2015-12-04T00:49:37.01 3.0 positive manual Pn 1.04 0
IV.CET2.HHZ. 2015-12-04T00:49:36.09 3.0 undecidable manual Pn 0.08 0
IV.SSY.HHZ. 2015-12-04T00:49:36.67 0.3 undecidable manual S 215 93.5397 54 0.19 66
IV.HLNI.HHZ. 2015-12-04T00:49:35.64 0.1 undecidable manual S 233 90.3429 106 -0.04 90
IV.JOPP.HHZ. 2015-12-04T00:49:34.27 0.3 undecidable manual S 12 86.0472 106 -0.31 65
IV.SPS2.HHZ. 2015-12-04T00:49:34.24 3.0 negative manual Pn 0.38 0
IV.IVPL.HHZ. 2015-12-04T00:49:33.49 0.3 undecidable manual S 314 85.0482 107 -0.83 55
IV.CAR1.HHZ. 2015-12-04T00:49:33.01 3.0 negative manual Pn 0.09 0
IV.MUCR.HHZ. 2015-12-04T00:49:32.44 0.1 undecidable manual S 287 74.1702 109 0.87 74
IV.AGST.EHZ. 2015-12-04T00:49:31.99 0.1 undecidable manual S 212 76.8675 109 -0.26 89
IV.NOV.HHZ. 2015-12-04T00:49:26.10 0.1 undecidable manual S 293 52.0035 118 -0.01 98
IV.HAVL.HHZ. 2015-12-04T00:49:26.57 0.1 undecidable manual P 207 110.2119 54 -0.08 86
IV.MEU.SHZ. 2015-12-04T00:49:26.67 0.3 undecidable manual P 223 111 54 -0.08 65
IV.MSFR.HHZ. 2015-12-04T00:49:25.67 0.1 undecidable manual P 283 97.8243 54 0.56 80
IV.MSRU.HHZ. 2015-12-04T00:49:25.69 0.1 undecidable manual S 342 48.7179 119 0.34 92
IV.PLAC.HHZ. 2015-12-04T00:49:24.92 0.1 undecidable manual P 44 93.7395 54 0.32 85
IV.MCSR.HHZ. 2015-12-04T00:49:24.61 0.3 undecidable manual S 301 46.5201 121 -0.23 71
IV.HLNI.HHZ. 2015-12-04T00:49:24.12 0.1 undecidable manual P 233 90.3429 106 0.01 91
IV.MPNC.HHZ. 2015-12-04T00:49:24.19 0.6 undecidable manual S 319 44.1225 122 -0.1 49
IV.SSY.HHZ. 2015-12-04T00:49:24.75 0.1 undecidable manual P 215 93.5397 54 0.18 88
IV.SOI.EHZ. 2015-12-04T00:49:23.95 0.3 undecidable manual S 52 40.9257 124 0.37 69
IV.AIO.HHZ. 2015-12-04T00:49:23.67 0.3 undecidable manual S 289 41.9247 124 -0.12 73
IV.JOPP.HHZ. 2015-12-04T00:49:23.19 0.1 undecidable manual P 12 86.0472 106 -0.28 88
IV.MSCL.HHZ. 2015-12-04T00:49:23.80 0.3 undecidable manual S 12 43.623 123 -0.39 70
IV.IVPL.HHZ. 2015-12-04T00:49:22.78 0.1 undecidable manual P 314 85.0482 107 -0.54 82
IV.GMB.BHZ. 2015-12-04T00:49:22.48 0.6 undecidable manual S 19 37.7289 127 -0.42 47
IV.AGST.EHZ. 2015-12-04T00:49:21.98 0.1 undecidable manual P 212 76.8675 109 -0.15 91
IV.MUCR.HHZ. 2015-12-04T00:49:21.99 0.1 undecidable manual P 287 74.1702 109 0.26 90
IV.NOV.HHZ. 2015-12-04T00:49:18.83 0.1 undecidable manual P 293 52.0035 118 0.25 94
IV.MPNC.HHZ. 2015-12-04T00:49:17.40 0.1 undecidable manual P 319 44.1225 122 -0.13 97
IV.MSRU.HHZ. 2015-12-04T00:49:17.83 0.1 undecidable manual P 342 48.7179 119 -0.32 93
IV.SOI.EHZ. 2015-12-04T00:49:17.40 0.1 undecidable manual P 52 40.9257 124 0.28 94
IV.AIO.HHZ. 2015-12-04T00:49:17.53 0.1 undecidable manual P 289 41.9247 124 0.28 95
IV.MSCL.HHZ. 2015-12-04T00:49:17.33 0.1 undecidable manual P 12 43.623 123 -0.15 97
IV.MCSR.HHZ. 2015-12-04T00:49:17.85 0.1 undecidable manual P 301 46.5201 121 0 99
IV.GMB.BHZ. 2015-12-04T00:49:16.76 0.1 undecidable manual P 19 37.7289 127 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AIO.HHE. ML:2.2 0.00039349999999999997 0.76 AML other m 2015-12-04T00:49:23.95
IV.AIO.HHN. ML:2.1 0.0003085 0.72 AML other m 2015-12-04T00:49:25.03
IV.CAR1.HHN. ML:2.2 0.00006355 0.86 AML other m 2015-12-04T00:50:02.22
IV.CAR1.HHE. ML:2.1 0.0000575 0.48 AML other m 2015-12-04T00:50:02.55
IV.CET2.HHE. ML:2.1 0.00003865 0.78 AML other m 2015-12-04T00:49:59.66
IV.CET2.HHN. ML:2.1 0.0000466 0.3 AML other m 2015-12-04T00:50:01.64
IV.GRI.EHN. ML:1.9 0.000052050000000000005 1.32 AML other m 2015-12-04T00:49:51.32
IV.GRI.EHE. ML:2.0 0.000063 0.48 AML other m 2015-12-04T00:49:51.12
IV.HAVL.HHE. ML:2.3 0.00016749999999999998 0.76 AML other m 2015-12-04T00:49:40.75
IV.HAVL.HHN. ML:2.5 0.000273 0.2 AML other m 2015-12-04T00:49:40.62
IV.HLNI.HHE. ML:2.3 0.000225 0.76 AML other m 2015-12-04T00:49:36.18
IV.HLNI.HHN. ML:2.2 0.0001875 0.1 AML other m 2015-12-04T00:49:36.44
IV.IVPL.HHN. ML:2.7 0.0005700000000000001 0.54 AML other m 2015-12-04T00:49:39.28
IV.IVPL.HHE. ML:2.7 0.0005589999999999999 0.9 AML other m 2015-12-04T00:49:42.65
IV.JOPP.HHE. ML:1.9 0.00009554999999999999 1.08 AML other m 2015-12-04T00:49:35.39
IV.JOPP.HHN. ML:1.9 0.00009615 0.5 AML other m 2015-12-04T00:49:35.42
IV.MCSR.HHE. ML:2.9 0.00181 0.34 AML other m 2015-12-04T00:49:25.44
IV.MCSR.HHN. ML:2.7 0.001155 0.26 AML other m 2015-12-04T00:49:26.76
IV.MEU.SHN. ML:0.0 0.0003155 0.36 AML other m 2015-12-04T00:49:41.90
IV.MEU.SHE. ML:0.0 0.0002465 0.36 AML other m 2015-12-04T00:49:41.82
IV.MSCL.HHE. ML:2.3 0.0005035 0.74 AML other m 2015-12-04T00:49:24.06
IV.MSCL.HHN. ML:2.3 0.0005449999999999999 0.58 AML other m 2015-12-04T00:49:25.35
IV.MSRU.HHE. ML:2.0 0.00023799999999999998 0.22 AML other m 2015-12-04T00:49:27.11
IV.MSRU.HHN. ML:2.0 0.000199 0.36 AML other m 2015-12-04T00:49:27.72
IV.MUCR.HHE. ML:2.2 0.0002455 1.58 AML other m 2015-12-04T00:49:37.29
IV.MUCR.HHN. ML:2.1 0.000157 0.36 AML other m 2015-12-04T00:49:38.59
IV.NOV.HHE. ML:2.4 0.000502 0.88 AML other m 2015-12-04T00:49:26.55
IV.NOV.HHN. ML:2.4 0.0004975 0.44 AML other m 2015-12-04T00:49:28.04
IV.PLAC.HHE. ML:2.0 0.0001015 1.4 AML other m 2015-12-04T00:49:41.18
IV.PLAC.HHN. ML:2.0 0.0001001 0.58 AML other m 2015-12-04T00:49:42.61
IV.SOI.EHN. ML:1.9 0.00021072499999999999 0.68 AML other m 2015-12-04T00:49:25.18
IV.SOI.EHE. ML:1.9 0.000183 0.42 AML other m 2015-12-04T00:49:24.31
IV.SSY.HHE. ML:2.1 0.0001155 1 AML other m 2015-12-04T00:49:39.58
IV.SSY.HHN. ML:2.5 0.0002925 0.18 AML other m 2015-12-04T00:49:41.39
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
Waveforms Seismic signals in miniseed + resp format Download