Earthquake with magnitude of ML 1.9 on date 31-10-2018 and time 12:32:41 (Italy) in region Costa Calabra sud orientale (Reggio di Calabria)

A magnitude ML 1.9 earthquake occured in region: Costa Calabra sud orientale (Reggio di Calabria), on

  • 31-10-2018 11:32:41 (UTC)
  • 31-10-2018 12:32:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.64, 15.9 at 35 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
57 Km SE of Reggio di Calabria (183035 inhabitants)
65 Km E of Acireale (52622 inhabitants)
69 Km SE of Messina (238439 inhabitants)
74 Km E of Catania (314555 inhabitants)
84 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
Rev 1000 ML 1.9 2018-10-31
11:32:41
37.64 15.91 35 2019-06-04
09:16:12
Bollettino Sismico Italiano INGV 67502191
Rev 100 ML 1.9 2018-10-31
11:32:41
37.64 15.91 38 2018-10-31
11:56:45
Sala Sismica INGV-Roma 62617681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-10-31 11:32:41 ± 0.12
Latitude 37.64 ± 0.01
Longitude 15.91 ± 0.01
Depth (km) 35 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 67502191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 988
Semi-minor axis of confidence ellipse (meter) 270
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 107
Circular confidence region, given by single value of horizontal uncertainty (meter) 990
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 207
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.91191
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.4
Num. used stations 11
Type of magnitude ML
Reference to an origin 67502191
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-12 13:08:16

ML:1.9

Field Value
Value 1.9
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 62617681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-10-31 11:56:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.LRP.EHZ. 2018-10-31T11:34:33.76 3.0 undecidable manual Sn 3.94 0
IV.MRB1.HHZ. 2018-10-31T11:34:25.71 3.0 undecidable manual Sg 16.459999 0
IV.MURB.HHZ. 2018-10-31T11:34:25.04 3.0 undecidable manual Pg 19.93 0
IV.PE3.EHZ. 2018-10-31T11:34:13.60 3.0 undecidable manual Pn 3.07 0
IV.RIBO.EHZ.01 2018-10-31T11:34:10.07 3.0 undecidable manual Pn 0.56 0
IV.PTQR.HHZ. 2018-10-31T11:34:01.47 3.0 undecidable manual Pg 15.39 0
IV.MFNL.HHZ. 2018-10-31T11:33:53.87 3.0 undecidable manual Sg 7.3 0
CR.STON.BHZ. 2018-10-31T11:33:53.70 3.0 positive manual Pn 0 0
IV.MTGR.HHZ. 2018-10-31T11:33:47.96 3.0 undecidable manual Sn -1.62 0
IV.PIPA.HHZ. 2018-10-31T11:33:37.31 3.0 undecidable manual Sg 5.76 0
IV.CRJA.HHZ. 2018-10-31T11:33:16.02 3.0 negative manual Pn 0.48 0
IV.SSY.HHZ. 2018-10-31T11:33:08.56 0.6 undecidable manual S 234 0.8166 54 -0.17 48
IV.NOV.HHZ. 2018-10-31T11:33:06.45 0.6 undecidable manual S 303 0.7204 109 0.04 49
IV.HAGA.HHZ. 2018-10-31T11:33:05.31 0.6 undecidable manual S 240 0.6925 110 -0.32 47
IV.AGST.EHN. 2018-10-31T11:33:04.49 0.6 undecidable manual S 235 0.6601 111 -0.24 48
IV.MPNC.HHZ. 2018-10-31T11:33:04.85 0.6 undecidable manual S 320 0.6691 111 -0.12 49
MN.CEL.HHZ. 2018-10-31T11:33:03.17 0.6 undecidable manual S 359 0.6214 113 -0.49 45
IV.SOI.EHZ. 2018-10-31T11:32:59.17 1.0 undecidable manual S 15 0.4497 121 0.06 26
IV.MUCR.HHZ. 2018-10-31T11:32:58.84 0.6 undecidable manual P 297 0.9083 54 0.35 44
IV.MTTG.HHZ. 2018-10-31T11:32:58.01 1.0 undecidable manual S 336 0.3984 124 0.18 26
IV.PLAC.HHZ. 2018-10-31T11:32:58.35 0.1 undecidable manual P 27 0.9119 54 -0.19 92
IV.SSY.HHZ. 2018-10-31T11:32:57.39 0.1 undecidable manual P 234 0.8166 54 0.17 94
IV.MPNC.HHZ. 2018-10-31T11:32:55.12 0.3 undecidable manual P 320 0.6691 111 0.07 75
IV.AGST.EHN. 2018-10-31T11:32:55.19 0.3 undecidable manual P 235 0.6601 111 0.28 72
IV.HAGA.HHZ. 2018-10-31T11:32:55.43 0.1 undecidable manual P 240 0.6925 110 0 100
IV.NOV.HHZ. 2018-10-31T11:32:55.88 0.3 undecidable manual P 303 0.7204 109 0 75
MN.CEL.HHZ. 2018-10-31T11:32:53.92 0.1 undecidable manual P 359 0.6214 113 -0.37 94
IV.SOI.EHZ. 2018-10-31T11:32:52.28 0.3 undecidable manual P 15 0.4497 121 0.61 70
IV.MTTG.HHZ. 2018-10-31T11:32:51.16 0.6 undecidable manual P 336 0.3984 124 0.23 51
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTTG.HHE. ML:1.6 7.9981865E-5 0.32 AML other m 2018-10-31T11:32:58.99
IV.SOI.EHN. ML:1.3 4.5365865E-5 0.3776 AML other m 2018-10-31T11:33:00.46
IV.SOI.EHE. ML:1.4 4.8972365E-5 0.2816 AML other m 2018-10-31T11:33:01.35
MN.CEL.HNE. ML:1.8 9.1523665E-5 0.5184 AML other m 2018-10-31T11:33:03.46
IV.MTTG.HHN. ML:1.6 8.953659E-5 0.9216 AML other m 2018-10-31T11:33:03.22
MN.CEL.HHN. ML:1.6 5.379753E-5 0.1792 AML other m 2018-10-31T11:33:03.66
IV.MPNC.HHN. ML:2.3 0.00024875035 1.6224 AML other m 2018-10-31T11:33:06.87
IV.NOV.HHE. ML:2.4 0.0003455 0.36 AML other m 2018-10-31T11:33:06.92
IV.MPNC.HHE. ML:2.1 0.00018420305 0.3776 AML other m 2018-10-31T11:33:07.98
IV.NOV.HHN. ML:2.5 0.000377 0.66 AML other m 2018-10-31T11:33:07.46
IV.SSY.HHN. ML:0 0.0006902597 0.096 AML other m 2018-10-31T11:33:10.30
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download