Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 27-10-2020 and time 13:47:11 (Italy) in region 3 km NE Lucera (FG)

A magnitude ML 1.4 earthquake occured in region: 3 km NE Lucera (FG), on

  • 27-10-2020 12:47:11 (UTC)
  • 27-10-2020 13:47:11 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.5230, 15.3570 at 10 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Lucera FG 3 33724 33724
Foggia FG 17 151991 185715
Troia FG 18 7195 192910
San Severo FG 18 53905 246815
Pietramontecorvino FG 19 2721 249536
Biccari FG 19 2800 252336
Torremaggiore FG 20 17311 269647
Volturino FG 20 1743 271390

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km W of Foggia (151991 inhabitants)
18 Km S of San Severo (53905 inhabitants)
48 Km W of Manfredonia (57279 inhabitants)
54 Km NW of Cerignola (58396 inhabitants)
65 Km NE of Benevento (60091 inhabitants)
80 Km W of Barletta (94814 inhabitants)
82 Km NE of Avellino (54857 inhabitants)
85 Km W of Andria (100440 inhabitants)
93 Km W of Trani (56217 inhabitants)
99 Km NE of Caserta (76326 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 2020-10-27
12:47:11		 41.5227 15.3573 10 2021-02-26
14:56:13		 Bollettino Sismico Italiano INGV 86026941
Reviewed
Rev100 		ML 1.4 2020-10-27
12:47:11		 41.5462 15.3518 10 2020-10-27
14:12:01		 Sala Sismica INGV-Roma 84180681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-27 12:47:11 ± 0.1
Latitude 41.5227 ± 0.0090
Longitude 15.3573 ± 0.0096
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86026941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1190
Semi-minor axis of confidence ellipse (meter) 520
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 325
Circular confidence region, given by single value of horizontal uncertainty (meter) 1190.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 191
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.01889
Epicentral distance of station farthest from the epicenter (degree) 0.27249
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 86026941
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-05 10:22:46

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 84180681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-27 14:12:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.APRC.HHZ. 2020-10-27T12:47:22.29 0.3 undecidable manual S 31 30.2475 50 -0.07 74
OT.OT05.EHZ. 2020-10-27T12:47:20.96 0.3 undecidable manual S 53 25.3524 50 -0.09 74
IV.MELA.HHZ. 2020-10-27T12:47:17.46 0.3 undecidable manual P 317 27.8499 50 -0.01 75
OT.OT05.EHZ. 2020-10-27T12:47:17.12 0.1 undecidable manual P 53 25.3524 50 0.04 100
OT.OT06.EHE. 2020-10-27T12:47:17.41 0.3 undecidable manual P 47 26.6511 50 0.12 74
IV.APRC.HHZ. 2020-10-27T12:47:17.97 0.3 undecidable manual P 31 30.2475 50 0.13 73
OT.OT11.EHZ. 2020-10-27T12:47:15.52 0.3 undecidable manual S 244 2.0979 169 0.21 75
OT.OT11.EHZ. 2020-10-27T12:47:13.53 0.1 undecidable manual P 244 2.0979 169 -0.24 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OT.OT11.EHE. ML:2.0 0.0018632565 0.0576 AML other m 2020-10-27T12:47:15.64
OT.OT11.EHN. ML:1.9 0.0015335870500000001 0.064 AML other m 2020-10-27T12:47:15.64
OT.OT05.EHE. ML:0.7 0.0000319774485 0.0576 AML other m 2020-10-27T12:47:21.19
OT.OT05.EHN. ML:0.8 0.000036187185 0.2368 AML other m 2020-10-27T12:47:21.71
IV.MELA.HNN. ML:1.6 0.0002154623 0.7296 AML other m 2020-10-27T12:47:21.98
IV.APRC.HHE. ML:0.9 0.00004072599 0.736 AML other m 2020-10-27T12:47:22.95
IV.APRC.HNN. ML:2.2 0.00080254315 1.2448 AML other m 2020-10-27T12:47:23.74
IV.MELA.HHE. ML:1.3 0.000098201645 0.5824 AML other m 2020-10-27T12:47:24.85
IV.MELA.HNE. ML:1.4 0.0001337931 0.5312 AML other m 2020-10-27T12:47:25.51
IV.APRC.HHN. ML:1.3 0.00009192690000000001 0.8192 AML other m 2020-10-27T12:47:26.93
IV.MELA.HHN. ML:1.4 0.0001375175 0.7808 AML other m 2020-10-27T12:47:26.58
IV.APRC.HNE. ML:1.3 0.000100305084 1.3408 AML other m 2020-10-27T12:47:27.09
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