Earthquake with magnitude of ML 0.9 on date 23-02-2022 and time 19:06:52 (Italy) in region 5 km W Accumoli (RI)

A magnitude ML 0.9 earthquake occured in region: 5 km W Accumoli (RI), on

  • 23-02-2022 18:06:52 (UTC)
  • 23-02-2022 19:06:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6780, 13.1890 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
Accumoli RI 5 667 667
Cittareale RI 7 482 1149
Amatrice RI 10 2657 3806
Arquata del Tronto AP 14 1178 4984
Norcia PG 15 4957 9941
Cascia PG 15 3217 13158
Montereale AQ 18 2581 15739
Posta RI 19 694 16433
Borbona RI 19 617 17050
Monteleone di Spoleto PG 20 599 17649
Capitignano AQ 20 665 18314
Campotosto AQ 20 542 18856

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km NW of L'Aquila (69753 inhabitants)
42 Km W of Teramo (54892 inhabitants)
46 Km E of Terni (111501 inhabitants)
50 Km SE of Foligno (57155 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
81 Km SE of Perugia (166134 inhabitants)
84 Km NE of Guidonia Montecelio (88673 inhabitants)
86 Km NE of Tivoli (56533 inhabitants)
87 Km W of Pescara (121014 inhabitants)
88 Km W of Chieti (51815 inhabitants)
93 Km E of Viterbo (67173 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 0.9 2022-02-23
18:06:52
42.6775 13.1887 10 2022-07-08
12:33:33
Bollettino Sismico Italiano INGV 101451951
Reviewed
Rev100
ML 0.8 2022-02-23
18:06:52
42.6765 13.1827 11 2022-02-23
18:20:10
Sala Sismica INGV-Roma 101389551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-02-23 18:06:52 ± 0.08
Latitude 42.6775 ± 0.0027
Longitude 13.1887 ± 0.0049
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 101451951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 395
Semi-minor axis of confidence ellipse (meter) 149
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 290
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.11781
Epicentral distance of station farthest from the epicenter (degree) 0.31027
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 101389551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-02-23 18:20:10

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 101451951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-25 17:18:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GAVE.HNZ. 2022-02-23T18:07:01.19 0.3 undecidable manual S 274 24.0537 113 0.07 73
7F.SIB2.EHZ. 2022-02-23T18:07:01.82 0.3 undecidable manual S 22 25.4523 50 0.3 70
IV.MC2.EHZ. 2022-02-23T18:07:01.74 0.1 undecidable manual S 0 25.9518 50 0.09 98
7F.SIB1.EHZ. 2022-02-23T18:07:01.42 0.3 undecidable manual S 15 24.9528 50 0.03 74
7F.SIB3.EHZ. 2022-02-23T18:07:00.62 0.3 undecidable manual S 17 22.8549 114 -0.13 73
IV.MTRA.EHZ. 2022-02-23T18:06:59.74 0.1 undecidable manual S 63 19.0698 118 0.18 96
IV.NRCA.HHZ. 2022-02-23T18:06:59.11 0.3 undecidable manual S 341 18.3705 119 -0.22 72
IV.RM33.EHZ. 2022-02-23T18:06:59.23 0.3 undecidable manual S 174 18.7701 118 -0.25 71
IV.TERO.HHZ. 2022-02-23T18:06:58.57 0.1 undecidable manual P 100 34.4433 50 -0.33 90
IV.LNSS.HHZ. 2022-02-23T18:06:58.24 0.3 undecidable manual S 236 14.6742 125 -0.01 76
IV.SMA1.EHZ. 2022-02-23T18:06:58.09 0.3 undecidable manual S 114 13.0758 128 0.3 71
IV.MC2.EHZ. 2022-02-23T18:06:57.93 0.1 undecidable manual P 0 25.9518 50 0.33 93
7F.SIB1.EHZ. 2022-02-23T18:06:57.46 0.1 undecidable manual P 15 24.9528 50 0.01 99
IV.GAVE.HNZ. 2022-02-23T18:06:57.32 0.1 undecidable manual P 274 24.0537 113 0.03 99
7F.SIB2.EHZ. 2022-02-23T18:06:57.44 0.1 undecidable manual P 22 25.4523 50 -0.08 97
7F.SIB3.EHZ. 2022-02-23T18:06:56.97 0.1 undecidable manual P 17 22.8549 114 -0.11 97
IV.NRCA.HHZ. 2022-02-23T18:06:56.25 0.1 undecidable manual P 341 18.3705 119 -0.01 100
IV.RM33.EHZ. 2022-02-23T18:06:56.35 0.3 undecidable manual P 174 18.7701 118 0.01 75
IV.LNSS.HHZ. 2022-02-23T18:06:55.72 0.1 undecidable manual P 236 14.6742 125 0.09 99
IV.SMA1.EHZ. 2022-02-23T18:06:55.75 0.1 undecidable manual P 114 13.0758 128 0.38 93
IV.MTRA.EHZ. 2022-02-23T18:06:55.75 0.1 undecidable manual P 63 19.0698 118 -0.64 86
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:0.8 0.00006236008499999999 0.2816 AML other m 2022-02-23T18:06:58.44
IV.SMA1.EHE. ML:1.0 0.00011549999999999999 0.3 AML other m 2022-02-23T18:06:58.72
IV.SMA1.EHN. ML:0.9 0.00008060000000000001 0.36 AML other m 2022-02-23T18:06:58.62
IV.LNSS.HHE. ML:0.7 0.000046429525 0.1152 AML other m 2022-02-23T18:06:59.14
IV.NRCA.HHN. ML:1.0 0.00007445000000000001 0.12 AML other m 2022-02-23T18:06:59.15
IV.NRCA.HHE. ML:0.9 0.0000724 0.5 AML other m 2022-02-23T18:06:59.56
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