Earthquake with magnitude of ML 2.4 on date 23-12-2017 and time 23:01:12 (Italy) in region Tirreno Meridionale (MARE)

A magnitude ML 2.4 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 23-12-2017 22:01:12 (UTC)
  • 23-12-2017 23:01:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.4510, 15.4700 at 147 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
29 Km N of Messina (238439 inhabitants)
41 Km NW of Reggio di Calabria (183035 inhabitants)
94 Km SW of Lamezia Terme (70714 inhabitants)
97 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 2.4 2017-12-23
22:01:12
38.4507 15.4702 147 2018-09-04
09:10:44
Bollettino Sismico Italiano INGV 57396271
Reviewed
Rev100
ML 3.0 2017-12-23
22:01:15
38.4948 15.6572 124 2017-12-23
22:13:57
Sala Sismica INGV-Roma 52766331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-12-23 22:01:12 ± 0.34
Latitude 38.4507 ± 0.0216
Longitude 15.4702 ± 0.0299
Depth (km) 147 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 57396271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3072
Semi-minor axis of confidence ellipse (meter) 828
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 132
Circular confidence region, given by single value of horizontal uncertainty (meter) 3070.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.23927
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 57396271
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-05-31 09:58:02

ML:3.0

Field Value
Value 3.0
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 52766331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-12-23 22:13:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MIDA.HHZ. 2017-12-23T22:02:56.35 3.0 undecidable manual Sg 2.99 0
IV.PP3.EHZ. 2017-12-23T22:02:50.33 3.0 negative manual Pg 13.76 0
IV.MFNL.HHZ. 2017-12-23T22:02:20.19 3.0 undecidable manual Sn -0.24 0
BA.PZUN.HHZ. 2017-12-23T22:01:58.40 3.0 positive manual Pg 1.67 0
IV.CET2.HHZ. 2017-12-23T22:01:57.34 0.3 undecidable manual S 19 126.6732 136 -0.69 55
IV.CAR1.HHZ. 2017-12-23T22:01:55.60 0.3 undecidable manual S 35 109.7124 141 -0.01 67
IV.PLAC.HHZ. 2017-12-23T22:01:52.57 0.3 undecidable manual S 90 84.0492 148 0.17 69
IV.AIO.HHZ. 2017-12-23T22:01:51.07 0.3 undecidable manual S 201 57.0984 157 1.34 47
IV.SOI.EHZ. 2017-12-23T22:01:50.02 0.3 undecidable manual S 129 65.8896 154 -0.49 65
IV.IVPL.HHZ. 2017-12-23T22:01:49.03 0.3 undecidable manual S 259 43.4232 162 0.32 72
IV.NOV.HHZ. 2017-12-23T22:01:48.49 0.3 undecidable manual S 212 55.2003 158 -1.08 51
IV.JOPP.HHZ. 2017-12-23T22:01:48.76 0.3 undecidable manual S 64 40.0266 164 0.26 73
MN.CEL.HHZ. 2017-12-23T22:01:48.98 0.3 undecidable manual S 120 42.5241 163 0.32 72
IV.MSRU.HHE. 2017-12-23T22:01:47.46 0.3 undecidable manual S 171 20.9679 171 -0.15 76
MN.TIP.HHN. 2017-12-23T22:01:40.18 0.3 undecidable manual P 54 137.5623 134 0.33 59
IV.CET2.HHZ. 2017-12-23T22:01:39.11 0.1 undecidable manual P 19 126.6732 136 0.21 82
IV.SERS.HNN. 2017-12-23T22:01:39.07 0.3 undecidable manual P 58 123.7872 137 0.42 59
IV.HLNI.HHE. 2017-12-23T22:01:38.57 0.6 undecidable manual P 203 132.9669 135 -0.88 33
IV.CAR1.HHZ. 2017-12-23T22:01:37.28 0.1 undecidable manual P 35 109.7124 141 -0.22 86
IV.PLAC.HHZ. 2017-12-23T22:01:35.87 0.1 undecidable manual P 90 84.0492 148 0.22 90
IV.MUCR.HHZ. 2017-12-23T22:01:34.91 0.1 undecidable manual P 229 68.8755 153 0.19 94
IV.SOI.EHZ. 2017-12-23T22:01:34.34 0.1 undecidable manual P 129 65.8896 154 -0.21 94
IV.AIO.HHZ. 2017-12-23T22:01:34.41 0.1 undecidable manual P 201 57.0984 157 0.3 93
IV.MTTG.HHN. 2017-12-23T22:01:34.02 0.1 undecidable manual P 158 53.502 159 0.09 98
IV.NOV.HHZ. 2017-12-23T22:01:34.46 0.1 undecidable manual P 212 55.2003 158 0.45 91
MN.CEL.HHZ. 2017-12-23T22:01:33.30 0.1 undecidable manual P 120 42.5241 163 -0.19 98
IV.IVPL.HHZ. 2017-12-23T22:01:33.61 0.1 undecidable manual P 259 43.4232 162 0.09 100
IV.JOPP.HHZ. 2017-12-23T22:01:33.04 0.1 undecidable manual P 64 40.0266 164 -0.35 95
IV.MSRU.HHE. 2017-12-23T22:01:32.17 0.1 undecidable manual P 171 20.9679 171 -0.71 88
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.JOPP.HHN. ML:2.1 0.0000638091 1.4208 AML other m 2017-12-23T22:02:14.39
IV.JOPP.HHE. ML:2.1 0.0000629244 1.4848 AML other m 2017-12-23T22:02:09.25
MN.CEL.HNN. ML:2.2 0.00007365054499999999 0.8192 AML other m 2017-12-23T22:01:55.04
MN.CEL.HHE. ML:2.2 0.00008574746 1.3824 AML other m 2017-12-23T22:02:04.25
MN.CEL.HHN. ML:2.2 0.00007491015000000001 1.6 AML other m 2017-12-23T22:02:04.01
MN.CEL.HNE. ML:2.2 0.000077636615 1.2928 AML other m 2017-12-23T22:02:03.59
IV.IVPL.HHE. ML:2.6 0.00020101065 1.152 AML other m 2017-12-23T22:01:43.61
IV.IVPL.HHN. ML:2.6 0.00020891665000000002 0.9216 AML other m 2017-12-23T22:01:43.19
IV.SOI.EHE. ML:2.1 0.00005783546 1.472 AML other m 2017-12-23T22:01:54.36
IV.SOI.EHN. ML:2.2 0.000074959295 1.344 AML other m 2017-12-23T22:01:45.25
IV.PLAC.HHN. ML:2.1 0.00005048340499999999 1.9456 AML other m 2017-12-23T22:02:20.77
IV.PLAC.HHE. ML:2.3 0.000092360495 1.664 AML other m 2017-12-23T22:02:00.26
IV.PLAC.HNN. ML:2.2 0.00007127053499999999 1.5616 AML other m 2017-12-23T22:02:16.82
IV.PLAC.HNE. ML:2.4 0.00009715697500000001 1.6384 AML other m 2017-12-23T22:01:51.83
IV.CAR1.HNN. ML:2.7 0.00018814150000000002 0.7936 AML other m 2017-12-23T22:01:48.09
IV.CAR1.HHE. ML:2.1 0.000046327755 0.3968 AML other m 2017-12-23T22:01:56.70
IV.CAR1.HHN. ML:2.2 0.00006172482 1.9712 AML other m 2017-12-23T22:02:24.38
IV.CAR1.HNE. ML:2.6 0.00013255462000000002 0.896 AML other m 2017-12-23T22:01:52.50
IV.CET2.HHN. ML:2.5 0.0001046928665 0.256 AML other m 2017-12-23T22:01:59.73
IV.CET2.HHE. ML:2.3 0.00006120945 0.96 AML other m 2017-12-23T22:02:23.46
BA.PZUN.HHN. ML:2.8 0.00009431082500000001 0.0768 AML other m 2017-12-23T22:02:11.05
BA.PZUN.HNE. ML:3.0 0.0001569149 0.8704 AML other m 2017-12-23T22:03:04.70
BA.PZUN.HNN. ML:3.1 0.00016854960000000003 0.576 AML other m 2017-12-23T22:02:21.73
BA.PZUN.HHE. ML:2.7 0.000062515895 0.576 AML other m 2017-12-23T22:03:00.01
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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