Earthquake with magnitude of ML 1.4 on date 18-12-2020 and time 08:49:39 (Italy) in region 5 km SE San Marco in Lamis (FG)

A magnitude ML 1.4 earthquake occured in region: 5 km SE San Marco in Lamis (FG), on

  • 18-12-2020 07:49:39 (UTC)
  • 18-12-2020 08:49:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.6800, 15.6780 at 17 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
San Marco in Lamis FG 5 13831 13831
San Giovanni Rotondo FG 5 27184 41015
Rignano Garganico FG 7 2117 43132
Cagnano Varano FG 18 7330 50462

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km W of Manfredonia (57279 inhabitants)
25 Km E of San Severo (53905 inhabitants)
27 Km NE of Foggia (151991 inhabitants)
50 Km NW of Cerignola (58396 inhabitants)
64 Km NW of Barletta (94814 inhabitants)
72 Km NW of Andria (100440 inhabitants)
76 Km NW of Trani (56217 inhabitants)
84 Km NW of Bisceglie (55422 inhabitants)
93 Km NW of Molfetta (59874 inhabitants)
97 Km NE of Benevento (60091 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 1.4 2020-12-18
07:49:39
41.6803 15.6782 17 2021-02-26
14:56:17
Bollettino Sismico Italiano INGV 86849461
Reviewed
Rev100
ML 2.1 2020-12-18
07:49:39
41.6738 15.677 16 2020-12-18
07:58:27
Sala Sismica INGV-Roma 85511011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-18 07:49:39 ± 0.11
Latitude 41.6803 ± 0.0063
Longitude 15.6782 ± 0.0048
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86849461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 690
Semi-minor axis of confidence ellipse (meter) 244
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 173
Circular confidence region, given by single value of horizontal uncertainty (meter) 690.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 20
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42358
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 86849461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-05 08:34:33

ML:2.1

Field Value
Value 2.1
Uncertainty 0.5
Num. used stations 14
Type of magnitude ML
Reference to an origin 85511011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-18 07:58:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.BERNI.HHZ. 2020-12-18T07:51:35.75 3.0 undecidable manual Pg 21.030001 0
IV.IMOL.HNZ. 2020-12-18T07:51:25.97 3.0 undecidable manual Sn -5.26 0
IV.MNTV.HNZ. 2020-12-18T07:51:12.16 3.0 undecidable manual Pg 14.97 0
IV.GRI.EHZ. 2020-12-18T07:51:10.34 3.0 undecidable manual Sg 5.24 0
IV.ATPI.EHZ. 2020-12-18T07:51:07.21 3.0 undecidable manual Sn -0.99 0
OE.ARSA.BHZ. 2020-12-18T07:51:03.02 3.0 positive manual Pn -2.57 0
IV.RESU.HHZ. 2020-12-18T07:50:55.22 3.0 positive manual Pg 9.03 0
IV.GAVE.EHZ. 2020-12-18T07:50:54.67 3.0 undecidable manual Sg 3.58 0
IV.CESX.HHZ. 2020-12-18T07:50:28.70 3.0 undecidable manual Pg 5.88 0
IV.PE3.EHZ. 2020-12-18T07:50:27.55 3.0 undecidable manual Pn -3.82 0
IV.MGR.HHZ. 2020-12-18T07:50:26.99 3.0 undecidable manual S -4.65 0
IV.ARVD.HHZ. 2020-12-18T07:50:26.35 3.0 undecidable manual Pn 0.12 0
OT.TAR1.HHZ. 2020-12-18T07:50:12.62 3.0 negative manual Pg 1.1 0
IV.LRP.EHZ. 2020-12-18T07:50:08.79 3.0 positive manual Pn -1.34 0
IV.VULT.HHZ. 2020-12-18T07:50:05.52 3.0 undecidable manual S -2.44 0
OT.CAPA.HHZ. 2020-12-18T07:50:00.76 3.0 undecidable manual S 0
IV.PZUN.HHZ. 2020-12-18T07:50:00.16 3.0 undecidable manual P -1.85 0
OT.CAPA.HHZ. 2020-12-18T07:49:58.49 3.0 undecidable manual P 0
IV.MELA.HHZ. 2020-12-18T07:49:54.84 0.3 undecidable manual S 274 45.7209 99 0.36 66
OT.OT13.EHZ. 2020-12-18T07:49:54.87 0.3 undecidable manual S 62 47.0196 99 0.04 70
OT.OT14.EHZ. 2020-12-18T07:49:50.12 1.0 undecidable manual S 38 30.5472 107 -0.41 22
OT.OT13.EHZ. 2020-12-18T07:49:49.04 0.1 undecidable manual P 62 47.0196 99 0.61 81
IV.MELA.HHZ. 2020-12-18T07:49:48.14 0.1 positive manual P 274 45.7209 99 -0.09 92
IV.MSAG.HHZ. 2020-12-18T07:49:47.88 0.1 undecidable manual S 80 19.4694 120 0.08 97
IV.APRC.HHZ. 2020-12-18T07:49:46.72 0.1 undecidable manual S 307 14.0748 131 0.1 98
OT.OT05.EHZ. 2020-12-18T07:49:45.34 0.1 undecidable manual S 250 6.6933 154 -0.07 99
IV.SGRT.HHZ. 2020-12-18T07:49:45.87 0.1 undecidable manual S 33 9.879 143 0.01 100
OT.OT14.EHZ. 2020-12-18T07:49:45.51 0.1 undecidable manual P 38 30.5472 107 -0.44 88
OT.OT03.EHZ. 2020-12-18T07:49:45.32 0.1 undecidable manual S 326 4.2957 163 0.15 98
OT.OT06.EHZ. 2020-12-18T07:49:45.57 0.1 undecidable manual S 275 6.993 153 0.13 98
OT.OT07.EHZ. 2020-12-18T07:49:45.54 0.1 undecidable manual S 152 7.3815 151 0.04 99
IV.MSAG.HHZ. 2020-12-18T07:49:44.36 0.1 undecidable manual P 80 19.4694 120 -0.01 98
IV.SGRT.HHZ. 2020-12-18T07:49:43.19 0.1 positive manual P 33 9.879 143 -0.06 99
IV.APRC.HHZ. 2020-12-18T07:49:43.51 0.1 undecidable manual P 307 14.0748 131 -0.18 95
OT.OT07.EHZ. 2020-12-18T07:49:42.99 0.1 undecidable manual P 152 7.3815 151 -0.05 100
OT.OT05.EHZ. 2020-12-18T07:49:42.75 0.1 positive manual P 250 6.6933 154 -0.25 96
OT.OT03.EHZ. 2020-12-18T07:49:42.81 0.1 undecidable manual P 326 4.2957 163 -0.05 100
OT.OT06.EHZ. 2020-12-18T07:49:42.99 0.1 undecidable manual P 275 6.993 153 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.APRC.HHE. ML:1.1 0.0000975134 0.4416 AML other m 2020-12-18T07:49:47.08
IV.SGRT.HHN. ML:1.6 0.00032683379999999995 0.1024 AML other m 2020-12-18T07:49:46.07
IV.SGRT.HHE. ML:1.4 0.00021730405 0.1024 AML other m 2020-12-18T07:49:45.94
IV.APRC.HHN. ML:1.4 0.00017152840000000003 0.096 AML other m 2020-12-18T07:49:46.72
IV.MELA.HHN. ML:1.4 0.00007543713 0.3008 AML other m 2020-12-18T07:49:55.56
IV.MELA.HHE. ML:1.9 0.0001985 0.24 AML other m 2020-12-18T07:49:55.41
OT.OT05.EHE. ML:1.8 0.0005719915499999999 0.1024 AML other m 2020-12-18T07:49:45.49
OT.OT05.EHN. ML:1.5 0.0003362169 0.1408 AML other m 2020-12-18T07:49:45.40
IV.APRC.HNN. ML:2.1 0.0010363504999999996 0.8576 AML other m 2020-12-18T07:49:49.48
IV.APRC.HNE. ML:0.9 0.00006103355 0.0832 AML other m 2020-12-18T07:49:46.91
IV.MSAG.HHE. ML:0.6 0.000024330644999999997 0.1216 AML other m 2020-12-18T07:49:50.07
IV.MSAG.HHN. ML:0.8 0.000033718155 0.2176 AML other m 2020-12-18T07:49:51.03
IV.MSAG.HNN. ML:1.1 0.000080140245 0.2176 AML other m 2020-12-18T07:49:51.04
IV.MSAG.HNE. ML:1.0 0.000063241715 0.1216 AML other m 2020-12-18T07:49:50.07
IV.MELA.HNN. ML:1.7 0.00014878099999999998 0.3968 AML other m 2020-12-18T07:49:55.27
IV.MELA.HNE. ML:1.8 0.00016172261 0.224 AML other m 2020-12-18T07:49:55.40
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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