Earthquake with magnitude of ML 1.8 on date 04-12-2023 and time 22:00:03 (UTC) in region 5 km SW Poggio Imperiale (FG)

A magnitude ML 1.8 earthquake occured in region: 5 km SW Poggio Imperiale (FG), on

  • 04-12-2023 22:00:03 (UTC)
  • 04-12-2023 23:00:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.7890, 15.3310 at 20 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Poggio Imperiale FG 5 2724 2724
San Paolo di Civitate FG 8 5818 8542
Lesina FG 9 6410 14952
Apricena FG 9 13328 28280
Torremaggiore FG 11 17311 45591
San Severo FG 12 53905 99496
Serracapriola FG 14 3931 103427
Chieuti FG 15 1698 105125

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km NW of San Severo (53905 inhabitants)
40 Km NW of Foggia (151991 inhabitants)
52 Km W of Manfredonia (57279 inhabitants)
75 Km NW of Cerignola (58396 inhabitants)
86 Km NE of Benevento (60091 inhabitants)
95 Km NW of Barletta (94814 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
Reviewed
Rev100
ML 1.8 2023-12-04
22:00:03
41.7893 15.3307 20 2023-12-04
22:08:32
Sala Sismica INGV-Roma 123816521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-04 22:00:03 ± 0.12
Latitude 41.7893 ± 0.0045
Longitude 15.3307 ± 0.0048
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123816521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 489
Semi-minor axis of confidence ellipse (meter) 125
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 185
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
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) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45865
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 123816521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-04 22:08:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MRVN.HHZ. 2023-12-04T22:00:36.54 3.0 undecidable manual S -3.18 0
IV.AMUR.HHZ. 2023-12-04T22:00:28.29 3.0 positive manual P -0.41 0
IV.LPEL.HHZ. 2023-12-04T22:00:21.18 3.0 positive manual P -0.02 0
IV.SNAL.HHZ. 2023-12-04T22:00:19.73 3.0 negative manual P -1.73 0
IV.MOCO.HHZ. 2023-12-04T22:00:19.90 0.6 undecidable manual S 197 48.7179 103 0.61 41
OT.OT12.EHZ. 2023-12-04T22:00:19.98 0.6 undecidable manual S 110 50.9157 103 0.11 46
OT.OT07.EHZ. 2023-12-04T22:00:16.42 0.6 undecidable manual S 120 37.2294 109 0.08 48
IV.SGRT.HHZ. 2023-12-04T22:00:15.97 0.6 undecidable manual S 96 34.3434 110 0.34 45
OT.OT11.EHZ. 2023-12-04T22:00:14.52 0.6 undecidable manual S 179 30.4473 114 -0.14 48
OT.OT03.EHZ. 2023-12-04T22:00:14.35 0.6 undecidable manual S 108 27.75 116 0.35 46
OT.OT05.EHZ. 2023-12-04T22:00:13.57 0.6 undecidable manual S 123 26.751 117 -0.19 47
OT.OT12.EHZ. 2023-12-04T22:00:13.63 1.0 undecidable manual P 110 50.9157 103 0.66 20
OT.OT06.EHZ. 2023-12-04T22:00:12.99 0.6 undecidable manual S 118 24.6531 120 -0.29 47
OT.OT04.EHN. 2023-12-04T22:00:12.51 0.6 undecidable manual S 110 22.0668 124 -0.19 48
IV.MOCO.HHZ. 2023-12-04T22:00:12.81 0.1 undecidable manual P 197 48.7179 103 0.17 92
IV.MELA.HHZ. 2023-12-04T22:00:11.91 0.6 undecidable manual S 241 19.2696 128 -0.17 48
IV.APRC.HHZ. 2023-12-04T22:00:11.80 0.6 undecidable manual S 101 17.9709 131 -0.01 50
IV.TREM.HHZ. 2023-12-04T22:00:11.23 0.1 undecidable manual P 22 39.8268 107 -0.1 95
OT.OT16.EHE. 2023-12-04T22:00:11.17 0.6 undecidable manual S 291 14.1747 138 0.08 50
OT.OT07.EHZ. 2023-12-04T22:00:10.64 0.1 undecidable manual P 120 37.2294 109 -0.3 91
IV.SGRT.HHZ. 2023-12-04T22:00:10.65 0.1 negative manual P 96 34.3434 110 0.12 95
OT.OT11.EHZ. 2023-12-04T22:00:09.79 0.1 negative manual P 179 30.4473 114 -0.19 94
OT.OT03.EHZ. 2023-12-04T22:00:09.68 0.1 undecidable manual P 108 27.75 116 0.09 97
OT.OT06.EHZ. 2023-12-04T22:00:09.05 0.1 undecidable manual P 118 24.6531 120 -0.13 97
OT.OT05.EHZ. 2023-12-04T22:00:09.22 0.6 negative manual P 123 26.751 117 -0.24 47
IV.MELA.HHZ. 2023-12-04T22:00:08.31 0.1 undecidable manual P 241 19.2696 128 -0.17 97
IV.APRC.HHZ. 2023-12-04T22:00:08.54 0.6 negative manual P 101 17.9709 131 0.22 48
OT.OT04.EHN. 2023-12-04T22:00:08.88 0.1 undecidable manual P 110 22.0668 124 0.05 99
OT.OT16.EHE. 2023-12-04T22:00:07.98 0.1 undecidable manual P 291 14.1747 138 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MELA.HHN. ML:2.2 0.0010184999999999999 0.18 AML other m 2023-12-04T22:00:12.14
IV.MELA.HNN. ML:2.2 0.0009395 0.18 AML other m 2023-12-04T22:00:12.15
IV.APRC.HHE. ML:1.8 0.0003435 0.32 AML other m 2023-12-04T22:00:12.32
IV.MELA.HHE. ML:2.3 0.001245 0.24 AML other m 2023-12-04T22:00:12.17
IV.MELA.HNE. ML:2.3 0.0011619999999999998 0.24 AML other m 2023-12-04T22:00:12.17
IV.APRC.HHN. ML:1.9 0.0004485 1.78 AML other m 2023-12-04T22:00:12.01
OT.OT11.EHE. ML:2.1 0.0005525 0.24 AML other m 2023-12-04T22:00:14.83
OT.OT11.EHN. ML:1.9 0.00033999999999999997 1.26 AML other m 2023-12-04T22:00:15.25
IV.SGRT.HHE. ML:1.6 0.0001375 1.22 AML other m 2023-12-04T22:00:17.85
IV.SGRT.HHN. ML:1.7 0.0001705 0.44 AML other m 2023-12-04T22:00:20.33
OT.OT12.EHE. ML:1.3 0.0000492 1.38 AML other m 2023-12-04T22:00:23.87
OT.OT12.EHN. ML:1.5 0.00008005 0.72 AML other m 2023-12-04T22:00:24.01
IV.LPEL.HHE. ML:1.7 0.000045600000000000004 0.18 AML other m 2023-12-04T22:00:36.48
IV.LPEL.HHN. ML:1.7 0.00004885 0.72 AML other m 2023-12-04T22:00:36.29
IV.MRVN.HHE. ML:1.6 0.000033549999999999996 1.24 AML other m 2023-12-04T22:00:38.75
IV.MRVN.HHN. ML:1.6 0.00003594999999999999 0.5 AML other m 2023-12-04T22:00:40.32
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