Earthquake with magnitude of ML 1.3 on date 23-04-2021 and time 08:08:59 (UTC) in region 10 km W Zapponeta (FG)

A magnitude ML 1.3 earthquake occured in region: 10 km W Zapponeta (FG), on

  • 23-04-2021 08:08:59 (UTC)
  • 23-04-2021 10:08:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.4370, 15.8440 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Zapponeta FG 10 3396 3396
Carapelle FG 15 6570 9966
Orta Nova FG 17 17802 27768
Stornara FG 18 5742 33510
Cerignola FG 20 58396 91906

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km N of Cerignola (58396 inhabitants)
22 Km S of Manfredonia (57279 inhabitants)
25 Km E of Foggia (151991 inhabitants)
38 Km W of Barletta (94814 inhabitants)
44 Km NW of Andria (100440 inhabitants)
48 Km SE of San Severo (53905 inhabitants)
51 Km W of Trani (56217 inhabitants)
59 Km W of Bisceglie (55422 inhabitants)
68 Km W of Molfetta (59874 inhabitants)
80 Km W of Bitonto (55540 inhabitants)
89 Km N of Potenza (67122 inhabitants)
90 Km NW of Altamura (70396 inhabitants)
92 Km W of Bari (326344 inhabitants)
95 Km E 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 1.3 2021-04-23
08:08:59
41.4367 15.8443 10 2021-07-12
16:55:15
Bollettino Sismico Italiano INGV 91398861
Reviewed
Rev100
ML 1.3 2021-04-23
08:08:59
41.4377 15.8412 10 2021-04-23
08:19:07
Sala Sismica INGV-Roma 89390611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-23 08:08:59 ± 0.12
Latitude 41.4367 ± 0.0054
Longitude 15.8443 ± 0.0096
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 91398861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 870
Semi-minor axis of confidence ellipse (meter) 276
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 61
Circular confidence region, given by single value of horizontal uncertainty (meter) 870.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 119
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.20055
Epicentral distance of station farthest from the epicenter (degree) 0.77881
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 91398861
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-16 13:51:08

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 89390611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-23 08:19:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AMUR.HHZ. 2021-04-23T08:09:25.64 0.6 undecidable manual S 133 86.4468 50 0.53 41
IV.MRVN.HHZ. 2021-04-23T08:09:15.00 0.6 undecidable manual S 145 50.9157 50 -0.64 42
IV.AMUR.HHZ. 2021-04-23T08:09:14.77 0.3 undecidable manual P 133 86.4468 50 0.52 61
IV.APRC.HHZ. 2021-04-23T08:09:13.96 0.6 undecidable manual S 325 43.5231 50 0.32 46
IV.ACER.HNE. 2021-04-23T08:09:12.82 1.0 undecidable manual P 173 72.5718 50 0.72 19
OT.OT04.EHZ. 2021-04-23T08:09:12.33 0.6 undecidable manual S 325 38.2284 50 0.08 49
IV.SGRT.HHZ. 2021-04-23T08:09:11.74 0.6 undecidable manual S 347 36.2415 50 0.03 50
IV.MSAG.HHZ. 2021-04-23T08:09:10.46 0.3 undecidable manual S 10 31.0467 50 0.14 73
OT.OT05.EHZ. 2021-04-23T08:09:10.20 0.6 undecidable manual S 321 31.8459 50 -0.33 47
IV.SGTA.HNZ. 2021-04-23T08:09:09.19 0.3 undecidable manual P 230 52.1034 50 0.24 69
OT.OT14.EHZ. 2021-04-23T08:09:08.90 1.0 undecidable manual P 6 51.3153 50 0.08 24
OT.OT07.EHZ. 2021-04-23T08:09:08.16 0.6 undecidable manual S 333 22.9548 114 0.04 51
IV.MRVN.HHZ. 2021-04-23T08:09:08.07 0.3 undecidable manual P 145 50.9157 50 -0.7 61
IV.APRC.HHZ. 2021-04-23T08:09:07.48 0.3 undecidable manual P 325 43.5231 50 -0.14 72
OT.OT12.EHZ. 2021-04-23T08:09:07.76 0.6 undecidable manual S 14 22.2555 115 -0.14 50
OT.OT06.EHZ. 2021-04-23T08:09:06.34 1.0 undecidable manual P 323 34.5432 50 0.1 25
OT.OT04.EHZ. 2021-04-23T08:09:06.75 0.3 undecidable manual P 325 38.2284 50 -0.07 74
OT.OT03.EHZ. 2021-04-23T08:09:06.41 0.6 undecidable manual P 332 34.5432 50 0.16 48
IV.SGRT.HHZ. 2021-04-23T08:09:06.42 0.6 undecidable manual P 347 36.2415 50 -0.09 49
OT.OT05.EHZ. 2021-04-23T08:09:05.48 0.3 undecidable manual P 321 31.8459 50 -0.34 70
IV.MSAG.HHZ. 2021-04-23T08:09:05.66 0.1 undecidable manual P 10 31.0467 50 -0.04 100
OT.OT12.EHZ. 2021-04-23T08:09:04.34 0.3 undecidable manual P 14 22.2555 115 0.03 76
OT.OT07.EHZ. 2021-04-23T08:09:04.55 0.3 undecidable manual P 333 22.9548 114 0.12 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OT.OT05.EHE. ML:1.3 0.000082995275 0.1344 AML other m 2021-04-23T08:09:10.52
OT.OT05.EHN. ML:1.1 0.00005947529 0.2368 AML other m 2021-04-23T08:09:10.84
IV.MSAG.HNN. ML:1.4 0.0001156924 0.1856 AML other m 2021-04-23T08:09:12.54
IV.MSAG.HHN. ML:1.0 0.000051001445 0.1856 AML other m 2021-04-23T08:09:12.54
IV.SGRT.HHN. ML:1.2 0.00006603638500000001 0.1344 AML other m 2021-04-23T08:09:12.65
IV.MSAG.HHE. ML:0.8 0.000032497975 1.7184 AML other m 2021-04-23T08:09:13.96
IV.MSAG.HNE. ML:1.3 0.000086684635 1.7376 AML other m 2021-04-23T08:09:13.97
IV.SGRT.HHE. ML:1.3 0.00008675215 0.1408 AML other m 2021-04-23T08:09:13.08
IV.APRC.HNN. ML:2.5 0.0009741761 1.2832 AML other m 2021-04-23T08:09:15.20
IV.APRC.HHN. ML:1.5 0.000093222185 0.2816 AML other m 2021-04-23T08:09:16.59
IV.APRC.HHE. ML:1.2 0.000055785099999999996 0.2368 AML other m 2021-04-23T08:09:17.81
IV.MRVN.HHE. ML:1.1 0.000029269694999999998 0.1216 AML other m 2021-04-23T08:09:18.20
IV.MRVN.HHN. ML:1.1 0.00003291162 0.0832 AML other m 2021-04-23T08:09:18.35
IV.APRC.HNE. ML:1.6 0.00012378631 0.5888 AML other m 2021-04-23T08:09:24.41
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