Earthquake with magnitude of ML 0.7 on date 28-05-2021 and time 06:11:16 (Italy) in region 4 km NE Bisegna (AQ)

A magnitude ML 0.7 earthquake occured in region: 4 km NE Bisegna (AQ), on

  • 28-05-2021 04:11:16 (UTC)
  • 28-05-2021 06:11:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.9540, 13.7740 at 18 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
Bisegna AQ 4 223 223
Anversa degli Abruzzi AQ 5 341 564
Villalago AQ 6 568 1132
Ortona dei Marsi AQ 6 542 1674
Gioia dei Marsi AQ 7 1989 3663
Lecce nei Marsi AQ 8 1702 5365
Cocullo AQ 9 230 5595
Scanno AQ 11 1847 7442
Bugnara AQ 11 1125 8567
Ortucchio AQ 11 1860 10427
Introdacqua AQ 12 2126 12553
Pescina AQ 12 4133 16686
Prezza AQ 13 945 17631
San Benedetto dei Marsi AQ 14 3909 21540
Goriano Sicoli AQ 14 569 22109
Villavallelonga AQ 16 919 23028
Pettorano sul Gizio AQ 16 1376 24404
Pescasseroli AQ 16 2203 26607
Sulmona AQ 16 24557 51164
Rocca Pia AQ 17 178 51342
Raiano AQ 17 2815 54157
Collarmele AQ 17 894 55051
Collelongo AQ 17 1233 56284
Pratola Peligna AQ 18 7577 63861
Castel di Ieri AQ 18 303 64164
Cerchio AQ 19 1635 65799
Trasacco AQ 19 6246 72045
Vittorito AQ 20 873 72918
Opi AQ 20 420 73338
Corfinio AQ 20 1051 74389

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km SE of L'Aquila (69753 inhabitants)
55 Km SW of Chieti (51815 inhabitants)
68 Km SW of Pescara (121014 inhabitants)
70 Km SW of Montesilvano (53738 inhabitants)
79 Km S of Teramo (54892 inhabitants)
81 Km E of Tivoli (56533 inhabitants)
87 Km E of Guidonia Montecelio (88673 inhabitants)
88 Km E of Velletri (53303 inhabitants)
90 Km NE of Latina (125985 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 0.7 2021-05-28
04:11:16
41.9535 13.7743 19 2021-05-28
04:25:29
Sala Sismica INGV-Roma 90554461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-28 04:11:16 ± 0.05
Latitude 41.9535 ± 0.0018
Longitude 13.7743 ± 0.0024
Depth (km) 19 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 90554461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 253
Semi-minor axis of confidence ellipse (meter) 128
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 336
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 186
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.03
Epicentral distance of station closest to the epicenter (degree) 0.11242
Epicentral distance of station farthest from the epicenter (degree) 0.24012
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 90554461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-28 04:25:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.POFI.HNZ. 2021-05-28T04:11:26.03 0.3 undecidable manual S 191 26.6511 115 -0.02 73
IV.INTR.HHZ. 2021-05-28T04:11:23.00 0.3 undecidable manual S 59 12.4764 140 0 75
IV.VVLD.HHZ. 2021-05-28T04:11:23.58 0.1 undecidable manual S 233 15.5733 133 0.02 99
IV.POFI.HNZ. 2021-05-28T04:11:21.83 0.1 undecidable manual P 191 26.6511 115 0.03 97
IV.INTR.HHZ. 2021-05-28T04:11:20.05 0.1 undecidable manual P 59 12.4764 140 0 100
IV.VVLD.HHZ. 2021-05-28T04:11:20.34 0.1 undecidable manual P 233 15.5733 133 -0.03 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VVLD.HHN. ML:0.6 0.000023800000000000003 0.4 AML other m 2021-05-28T04:11:23.93
IV.VVLD.HHE. ML:0.7 0.00003375 1.4 AML other m 2021-05-28T04:11:24.73
IV.INTR.HHE. ML:0.6 0.000030652680000000004 0.16 AML other m 2021-05-28T04:11:24.27
IV.INTR.HHN. ML:0.7 0.00003930369 0.8608 AML other m 2021-05-28T04:11:23.76
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