Earthquake with magnitude of ML 0.9 on date 11-02-2023 and time 04:42:47 (UTC) in region 4 km NE Pizzoli (AQ)

A magnitude ML 0.9 earthquake occured in region: 4 km NE Pizzoli (AQ), on

  • 11-02-2023 04:42:47 (UTC)
  • 11-02-2023 05:42:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4580, 13.3300 at 12 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
Pizzoli AQ 4 4326 4326
Barete AQ 4 737 5063
Capitignano AQ 7 665 5728
Cagnano Amiterno AQ 9 1369 7097
Montereale AQ 10 2581 9678
Scoppito AQ 11 3727 13405
Campotosto AQ 12 542 13947
L'Aquila AQ 13 69753 83700
Crognaleto TE 16 1297 84997
Borbona RI 17 617 85614
Lucoli AQ 18 1011 86625
Tornimparte AQ 19 3187 89812
Amatrice RI 20 2657 92469
Pietracamela TE 20 271 92740

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km NW of L'Aquila (69753 inhabitants)
38 Km SW of Teramo (54892 inhabitants)
57 Km E of Terni (111501 inhabitants)
68 Km W of Montesilvano (53738 inhabitants)
70 Km W of Chieti (51815 inhabitants)
70 Km NE of Tivoli (56533 inhabitants)
71 Km NE of Guidonia Montecelio (88673 inhabitants)
73 Km W of Pescara (121014 inhabitants)
75 Km SE of Foligno (57155 inhabitants)
94 Km NE of Roma (2864731 inhabitants)
97 Km NE of Velletri (53303 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 0.9 2023-02-11
04:42:47
42.4578 13.3303 13 2023-02-11
05:20:00
Sala Sismica INGV-Roma 114334031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-11 04:42:47 ± 0.15
Latitude 42.4578 ± 0.0108
Longitude 13.3303 ± 0.0073
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 114334031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1196
Semi-minor axis of confidence ellipse (meter) 309
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 19
Circular confidence region, given by single value of horizontal uncertainty (meter) 1200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 210
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40739
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.0
Num. used stations 4
Type of magnitude ML
Reference to an origin 114334031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-11 05:20:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SGRT.HHZ. 2023-02-11T04:43:08.68 3.0 undecidable manual Pn 2.05 0
IV.NRCA.HHZ. 2023-02-11T04:43:02.15 0.1 undecidable manual S 337 45.2214 93 0.04 95
IV.TERO.HHZ. 2023-02-11T04:42:57.43 0.1 undecidable manual S 51 28.8489 95 -0.32 93
IV.SMA1.EHZ. 2023-02-11T04:42:55.39 0.3 undecidable manual S 1 19.1697 102 0.21 72
IV.NRCA.HHZ. 2023-02-11T04:42:55.93 0.1 undecidable manual P 337 45.2214 93 -0.04 96
IV.GIGS.HHZ. 2023-02-11T04:42:55.40 0.1 undecidable manual S 91 19.869 101 0.04 100
IV.TERO.HHZ. 2023-02-11T04:42:53.33 0.1 undecidable manual P 51 28.8489 95 -0.12 97
IV.LNSS.HNZ. 2023-02-11T04:42:53.02 0.6 undecidable manual P 304 28.6491 95 -0.39 46
IV.CAMP.HHZ. 2023-02-11T04:42:53.06 0.1 undecidable manual S 37 10.7781 126 -0.06 100
IV.SMA1.EHZ. 2023-02-11T04:42:52.18 0.1 undecidable manual P 1 19.1697 102 0.22 96
IV.RM33.EHZ. 2023-02-11T04:42:52.99 0.1 undecidable manual S 301 11.0778 125 -0.2 97
IV.GIGS.HHZ. 2023-02-11T04:42:52.14 0.1 undecidable manual P 91 19.869 101 0.07 99
IV.RM33.EHZ. 2023-02-11T04:42:50.98 0.1 undecidable manual P 301 11.0778 125 0.17 99
IV.CAMP.HHZ. 2023-02-11T04:42:50.98 0.1 undecidable manual P 37 10.7781 126 0.2 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:0.9 0.000089 1.14 AML other m 2023-02-11T04:42:53.67
IV.RM33.EHE. ML:1.0 0.00009584999999999999 0.26 AML other m 2023-02-11T04:42:53.44
IV.SMA1.EHE. ML:0.9 0.000054748735 2.3808 AML other m 2023-02-11T04:42:55.68
IV.SMA1.EHN. ML:1.0 0.000062811825 0.5408 AML other m 2023-02-11T04:42:55.96
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