Earthquake with magnitude of ML 2.2 on date 22-12-2018 and time 18:51:38 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 2.2 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 22-12-2018 18:51:38 (UTC)
  • 22-12-2018 19:51:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.4890, 15.4410 at 123 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
34 Km N of Messina (238439 inhabitants)
46 Km NW of Reggio di Calabria (183035 inhabitants)
94 Km SW of Lamezia Terme (70714 inhabitants)
100 Km N of Acireale (52622 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 2018-12-22
18:51:38
38.4892 15.441 123 2019-06-04
09:16:08
Bollettino Sismico Italiano INGV 65095601
Reviewed
Rev100
ML 2.5 2018-12-22
18:51:39
38.4308 15.4163 120 2018-12-22
19:08:04
Sala Sismica INGV-Roma 64097221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-22 18:51:38 ± 0.43
Latitude 38.4892 ± 0.0441
Longitude 15.4410 ± 0.0460
Depth (km) 123 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 65095601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 5755
Semi-minor axis of confidence ellipse (meter) 1994
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 145
Circular confidence region, given by single value of horizontal uncertainty (meter) 5750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 145
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.23113
Epicentral distance of station farthest from the epicenter (degree) 1.23567
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 65095601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-01-31 11:38:07

ML:2.5

Field Value
Value 2.5
Uncertainty 0.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 64097221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-12-22 19:08:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLAC.HHZ. 2018-12-22T18:52:14.70 0.1 undecidable manual S 93 86.7465 142 0.24 91
IV.AIO.HHZ. 2018-12-22T18:52:12.30 0.1 undecidable manual S 198 60.1953 152 0.97 70
IV.MTTG.HHE. 2018-12-22T18:52:11.50 0.6 undecidable manual S 157 58.3971 153 0.35 46
MN.CEL.HHZ. 2018-12-22T18:52:10.10 0.1 undecidable manual S 123 46.8198 157 0.01 100
IV.MPNC.HHN. 2018-12-22T18:52:09.30 0.3 undecidable manual S 191 38.7279 161 -0.18 77
IV.MSRU.HHZ. 2018-12-22T18:52:07.90 0.1 undecidable manual S 167 25.6521 167 -0.8 93
MN.TIP.HHN. 2018-12-22T18:52:04.42 0.6 undecidable manual P 56 137.1627 128 0.6 39
IV.CAR1.HHZ. 2018-12-22T18:52:01.76 0.3 undecidable manual P 38 107.8143 135 0.68 57
IV.PLAC.HHZ. 2018-12-22T18:51:59.50 0.1 negative manual P 93 86.7465 142 0.15 94
IV.MUCR.HHE. 2018-12-22T18:51:58.13 0.3 undecidable manual P 225 69.8745 148 -0.02 73
IV.AIO.HHZ. 2018-12-22T18:51:57.74 0.1 undecidable manual P 198 60.1953 152 0.2 97
IV.NOV.HHZ. 2018-12-22T18:51:57.94 0.1 undecidable manual P 207 57.5979 153 0.55 90
IV.MTTG.HHE. 2018-12-22T18:51:57.26 0.1 undecidable manual P 157 58.3971 153 -0.18 93
MN.CEL.HHZ. 2018-12-22T18:51:56.60 0.1 undecidable manual P 123 46.8198 157 -0.23 95
IV.IVPL.HHE. 2018-12-22T18:51:56.80 0.3 undecidable manual P 253 41.9247 160 0.19 73
IV.MPNC.HHN. 2018-12-22T18:51:55.87 0.3 undecidable manual P 191 38.7279 161 -0.61 66
IV.SICLA.EHN. 2018-12-22T18:51:55.83 0.1 undecidable manual P 137 35.1426 163 -0.5 92
IV.MSRU.HHZ. 2018-12-22T18:51:55.52 0.1 undecidable manual P 167 25.6521 167 -0.5 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PLAC.HHN. ML:0.0 0.00006733778500000002 0.2816 AML other m 2018-12-22T18:52:15.90
IV.PLAC.HHE. ML:0.0 0.000082898 0.704 AML other m 2018-12-22T18:52:15.97
IV.MSRU.HHE. ML:2.4 0.00018558239999999997 1.2288 AML other m 2018-12-22T18:52:18.50
IV.MSRU.HHN. ML:2.4 0.00015603325 1.536 AML other m 2018-12-22T18:52:18.53
MN.CEL.HHN. ML:2.0 0.00006721110999999998 0.2944 AML other m 2018-12-22T18:52:10.23
MN.CEL.HNN. ML:2.0 0.00005919529 1.1392 AML other m 2018-12-22T18:52:17.33
MN.CEL.HHE. ML:2.0 0.000058354705 0.3968 AML other m 2018-12-22T18:52:11.50
IV.GMB.BHN. ML:2.8 0.00043834275 0.2432 AML other m 2018-12-22T18:52:12.22
IV.GMB.BHE. ML:2.7 0.00032607560000000004 0.32 AML other m 2018-12-22T18:52:12.34
IV.PLAC.HNN. ML:2.2 0.000080589325 0.6784 AML other m 2018-12-22T18:52:15.97
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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