Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 31-08-2018 and time 22:21:11 (Italy) in region 1 km SW Malfa (ME)

A magnitude ML 2.0 earthquake occured in region: 1 km SW Malfa (ME), on

  • 31-08-2018 20:21:11 (UTC)
  • 31-08-2018 22:21:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.5700, 14.8310 at 7 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Malfa ME 1 982 982
Leni ME 2 696 1678
Santa Marina Salina ME 4 903 2581
Lipari ME 16 12753 15334

Municipalities with at least 50000 inhabitants

An earthquake occurred to
76 Km NW of Messina (238439 inhabitants)
87 Km NW 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 2.0 2018-08-31
20:21:11		 38.5697 14.8312 7 2019-04-24
14:51:14		 Bollettino Sismico Italiano INGV 66967341
Reviewed
Rev100 		ML 2.0 2018-08-31
20:21:11		 38.5835 14.7607 7 2018-08-31
20:36:39		 Sala Sismica INGV-Roma 60435981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-08-31 20:21:11 ± 0.2
Latitude 38.5697 ± 0.0081
Longitude 14.8312 ± 0.0115
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 66967341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 975
Semi-minor axis of confidence ellipse (meter) 778
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 239
Circular confidence region, given by single value of horizontal uncertainty (meter) 970.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.66375
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 48
Type of magnitude ML
Reference to an origin 66967341
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-27 11:46:30

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 60435981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-08-31 20:36:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LIK.EHZ.01 2018-08-31T20:22:39.29 3.0 undecidable manual Sn -0.4 0
IV.MF5.EHZ. 2018-08-31T20:22:36.28 3.0 undecidable manual Pg 14.89 0
IV.PARC.HHZ. 2018-08-31T20:22:34.55 3.0 undecidable manual Pn 0.72 0
IV.APEC.HHZ. 2018-08-31T20:22:33.36 3.0 undecidable manual Pn 1.34 0
IV.ARVD.HHZ. 2018-08-31T20:22:28.11 3.0 undecidable manual Pn -1.42 0
OB.GAVE.EHZ. 2018-08-31T20:22:20.12 3.0 undecidable manual Pn 0.91 0
IV.VIVA.HHZ. 2018-08-31T20:22:12.35 3.0 undecidable manual Pg 4.46 0
IV.MGR.HHE. 2018-08-31T20:21:41.44 1.0 undecidable manual P 19 184.6707 38 -0.71 14
IV.BULG.HNZ. 2018-08-31T20:21:40.12 1.0 undecidable manual P 15 173.7927 50 -0.53 16
MN.CUC.HHZ. 2018-08-31T20:21:40.74 0.6 undecidable manual P 28 179.1873 38 -0.73 28
IV.ERC.EHZ. 2018-08-31T20:21:40.59 3.0 undecidable manual Pn -3.56 0
IV.RAFF.HHZ. 2018-08-31T20:21:38.26 0.3 undecidable manual P 195 154.9227 50 0.52 51
IV.AIO.HHZ. 2018-08-31T20:21:35.41 1.0 undecidable manual S 152 75.0693 50 0.12 22
IV.CAR1.HHZ. 2018-08-31T20:21:35.60 0.6 undecidable manual P 57 141.2475 50 -0.02 40
IV.PLAC.HHZ. 2018-08-31T20:21:35.51 0.3 undecidable manual P 95 140.1486 50 0.05 59
IV.CET2.HHZ. 2018-08-31T20:21:35.82 0.3 undecidable manual P 42 143.8449 50 -0.2 57
IV.HLNI.HHZ. 2018-08-31T20:21:33.90 0.3 undecidable manual P 178 135.4644 50 -0.84 48
IV.NOV.HHZ. 2018-08-31T20:21:33.31 0.6 undecidable manual S 156 65.6898 50 0.52 42
IV.MPNC.HHZ. 2018-08-31T20:21:33.33 0.6 undecidable manual S 136 65.2902 50 0.65 39
IV.PETRA.HHZ. 2018-08-31T20:21:29.69 0.6 undecidable manual P 218 102.8193 50 -0.01 43
IV.GALF.HHZ. 2018-08-31T20:21:29.86 0.3 undecidable manual P 194 98.0241 50 0.89 50
MN.CEL.HHZ. 2018-08-31T20:21:29.10 0.3 undecidable manual P 110 98.5236 50 0.06 65
IV.JOPP.HHZ. 2018-08-31T20:21:28.64 0.3 undecidable manual P 87 91.5417 50 0.68 56
IV.MILZ.HHZ. 2018-08-31T20:21:28.11 0.6 undecidable manual S 133 48.0186 50 0.04 48
IV.CSLB.HHZ. 2018-08-31T20:21:28.81 0.3 undecidable manual P 224 97.2249 50 -0.03 65
IV.AIO.HHZ. 2018-08-31T20:21:25.17 0.1 undecidable manual P 152 75.0693 50 -0.25 87
IV.MSRU.HHZ. 2018-08-31T20:21:24.60 0.1 undecidable manual P 120 67.8765 50 0.28 87
IV.MNO.SHZ. 2018-08-31T20:21:24.66 0.6 undecidable manual P 190 71.8725 50 -0.27 43
IV.MPNC.HHZ. 2018-08-31T20:21:23.73 0.1 negative manual P 136 65.2902 50 -0.19 90
IV.NOV.HHZ. 2018-08-31T20:21:23.35 0.1 undecidable manual P 156 65.6898 50 -0.63 79
IV.MUCR.HHZ. 2018-08-31T20:21:22.31 0.1 undecidable manual P 176 58.497 50 -0.57 83
IV.MILZ.HHZ. 2018-08-31T20:21:21.04 0.3 undecidable manual P 133 48.0186 50 -0.22 69
IV.ISTR.HHE. 2018-08-31T20:21:20.33 1.0 undecidable manual P 52 39.4272 50 0.39 22
IV.IACL.HHZ. 2018-08-31T20:21:20.90 0.3 undecidable manual P 265 41.5251 50 0.64 62
IV.IVGP.HHZ. 2018-08-31T20:21:19.29 0.6 undecidable manual S 150 22.2555 108 -0.78 40
IV.ILLI.HHZ. 2018-08-31T20:21:18.73 0.6 undecidable manual S 143 17.0718 113 0.33 47
IV.IVPL.HHZ. 2018-08-31T20:21:17.09 0.1 negative manual P 149 25.0527 106 -0.08 98
IV.ILLI.HHZ. 2018-08-31T20:21:16.19 0.1 negative manual P 143 17.0718 113 0.51 91
IV.IVGP.HHZ. 2018-08-31T20:21:16.61 0.1 undecidable manual P 150 22.2555 108 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ILLI.HHE. ML:2.8 0.0063187115 0.3968 AML other m 2018-08-31T20:21:20.28
IV.ILLI.HHN. ML:3.1 0.0115921395 1.68 AML other m 2018-08-31T20:21:20.10
IV.IVPL.HHN. ML:1.9 0.00048669145 0.1664 AML other m 2018-08-31T20:21:24.16
IV.IVPL.HHE. ML:2.0 0.0006317041999999999 1.3728 AML other m 2018-08-31T20:21:29.97
IV.MILZ.HHE. ML:2.1 0.00033877859999999996 0.4992 AML other m 2018-08-31T20:21:29.72
IV.MILZ.HHN. ML:1.9 0.00022184515 0.4864 AML other m 2018-08-31T20:21:29.54
IV.MUCR.HHE. ML:2.3 0.00040738365 0.2048 AML other m 2018-08-31T20:21:32.70
IV.GALF.HNE. ML:2.1 0.00014020854999999998 1.0912 AML other m 2018-08-31T20:21:32.86
IV.MUCR.HHN. ML:2.5 0.0007547802999999999 1.6416 AML other m 2018-08-31T20:21:33.85
IV.MPNC.HHN. ML:2.1 0.00023133255000000003 0.3968 AML other m 2018-08-31T20:21:34.19
IV.NOV.HHN. ML:2.6 0.000747428 0.256 AML other m 2018-08-31T20:21:34.60
IV.NOV.HHE. ML:2.6 0.0008200119 0.3456 AML other m 2018-08-31T20:21:34.76
IV.MSRU.HHN. ML:1.8 0.00011711816499999999 0.4608 AML other m 2018-08-31T20:21:35.18
IV.MSRU.HHE. ML:1.8 0.00012714215 0.3584 AML other m 2018-08-31T20:21:36.80
IV.MNO.SHN. ML:0.0 0.0008998151 1.68 AML other m 2018-08-31T20:21:37.04
IV.AIO.HHE. ML:2.0 0.0001716434 0.3072 AML other m 2018-08-31T20:21:37.25
IV.MPNC.HHE. ML:2.1 0.0002126657 1.5776 AML other m 2018-08-31T20:21:37.90
IV.AIO.HHN. ML:2.1 0.00020690205 0.192 AML other m 2018-08-31T20:21:38.12
IV.MNO.SHE. ML:0.0 0.0005366182000000001 0.6784 AML other m 2018-08-31T20:21:39.53
IV.JOPP.HHE. ML:1.4 0.000030950775 0.3072 AML other m 2018-08-31T20:21:42.43
IV.CSLB.HHE. ML:1.6 0.00004570722 1.5136 AML other m 2018-08-31T20:21:42.01
IV.CSLB.HHN. ML:1.8 0.000070605165 0.6272 AML other m 2018-08-31T20:21:43.48
IV.JOPP.HHN. ML:1.3 0.000024795925 1.488 AML other m 2018-08-31T20:21:44.08
MN.CEL.HNN. ML:1.9 0.00007560382 1.168 AML other m 2018-08-31T20:21:45.22
IV.PETRA.HHN. ML:2.2 0.00013720165000000002 0.4608 AML other m 2018-08-31T20:21:46.94
IV.PETRA.HHE. ML:2.4 0.00021723515 1.5264 AML other m 2018-08-31T20:21:47.96
MN.CEL.HNE. ML:1.8 0.00006587211 0.7424 AML other m 2018-08-31T20:21:48.91
IV.GALF.HHN. ML:2.0 0.00009353397999999999 0.64 AML other m 2018-08-31T20:21:51.17
MN.CEL.HHN. ML:1.4 0.000024074765 0.5248 AML other m 2018-08-31T20:21:51.08
IV.HLNI.HHE. ML:1.7 0.0000276924 0.2304 AML other m 2018-08-31T20:21:51.37
IV.GALF.HHE. ML:2.0 0.00010053505 0.4992 AML other m 2018-08-31T20:21:51.13
IV.PLAC.HHE. ML:1.6 0.00002636185 0.3968 AML other m 2018-08-31T20:21:54.44
IV.CAR1.HHN. ML:1.8 0.00004162917 0.384 AML other m 2018-08-31T20:21:54.34
IV.CAR1.HHE. ML:1.9 0.000046797555000000004 0.4992 AML other m 2018-08-31T20:21:54.32
IV.GALF.HNN. ML:2.1 0.00013566050000000002 1.1552 AML other m 2018-08-31T20:21:55.07
IV.CET2.HHN. ML:1.7 0.000028621 0.6016 AML other m 2018-08-31T20:21:55.39
IV.RAFF.HHN. ML:2.1 0.0000525616 0.2336 AML other m 2018-08-31T20:21:55.85
IV.PLAC.HNN. ML:1.9 0.00004345628 0.6048 AML other m 2018-08-31T20:21:56.20
IV.CAR1.HNE. ML:2.4 0.0001379552 1.04 AML other m 2018-08-31T20:21:57.43
IV.PLAC.HHN. ML:1.8 0.00003298415 1.1424 AML other m 2018-08-31T20:21:58.66
IV.PLAC.HNE. ML:1.9 0.000052150619999999996 1.04 AML other m 2018-08-31T20:21:59.96
MN.CUC.HNE. ML:2.6 0.0001392583 0.4 AML other m 2018-08-31T20:21:59.64
MN.CUC.HHE. ML:1.6 0.00001382164 1.3344 AML other m 2018-08-31T20:22:03.96
MN.CEL.HHE. ML:1.5 0.00003100453 1.0624 AML other m 2018-08-31T20:22:04.81
IV.CET2.HHE. ML:1.7 0.00002323839 0.6912 AML other m 2018-08-31T20:22:04.86
MN.CUC.HHN. ML:1.4 0.000012184025 0.7936 AML other m 2018-08-31T20:22:08.98
IV.HLNI.HHN. ML:1.8 0.00003430536 0.6432 AML other m 2018-08-31T20:22:09.50
IV.CAR1.HNN. ML:2.5 0.00018784455 0.912 AML other m 2018-08-31T20:22:12.10
IV.RAFF.HHE. ML:2.0 0.000050521135 0.6944 AML other m 2018-08-31T20:22:14.33
MN.CUC.HNN. ML:2.3 0.00007638287000000001 0.9984 AML other m 2018-08-31T20:22:21.03
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