Earthquake with magnitude of ML 1.6 on date 23-02-2022 and time 18:49:03 (Italy) in region 4 km E Accumoli (RI)

A magnitude ML 1.6 earthquake occured in region: 4 km E Accumoli (RI), on

  • 23-02-2022 17:49:03 (UTC)
  • 23-02-2022 18:49:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6790, 13.2950 at 11 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 4 667 667
Amatrice RI 6 2657 3324
Arquata del Tronto AP 11 1178 4502
Cittareale RI 13 482 4984
Acquasanta Terme AP 14 2916 7900
Campotosto AQ 15 542 8442
Montereale AQ 18 2581 11023
Capitignano AQ 18 665 11688
Valle Castellana TE 18 977 12665
Cortino TE 19 656 13321
Montegallo AP 19 523 13844
Rocca Santa Maria TE 19 537 14381

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km W of Teramo (54892 inhabitants)
37 Km N of L'Aquila (69753 inhabitants)
55 Km E of Terni (111501 inhabitants)
57 Km SE of Foligno (57155 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
79 Km W of Pescara (121014 inhabitants)
80 Km W of Chieti (51815 inhabitants)
88 Km SE of Perugia (166134 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
89 Km NE of Tivoli (56533 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 1.6 2022-02-23
17:49:03
42.6792 13.2953 11 2022-07-08
12:33:33
Bollettino Sismico Italiano INGV 101451941
Reviewed
Rev100
ML 1.5 2022-02-23
17:49:03
42.6833 13.2912 10 2022-02-23
18:06:54
Sala Sismica INGV-Roma 101389131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-02-23 17:49:03 ± 0.05
Latitude 42.6792 ± 0.0027
Longitude 13.2953 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101451941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 362
Semi-minor axis of confidence ellipse (meter) 324
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 108
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.43347
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 101451941
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-25 17:15:03

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 101389131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-02-23 18:06:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T0110.HHZ. 2022-02-23T17:49:23.90 3.0 undecidable manual S 0
IV.CSP1.EHZ. 2022-02-23T17:49:19.00 0.3 undecidable manual S 351 46.4202 90 0.25 70
IV.CESI.HHE. 2022-02-23T17:49:19.09 0.1 undecidable manual S 319 48.1185 90 -0.12 92
IV.FDMO.HHZ. 2022-02-23T17:49:18.08 0.3 undecidable manual S 337 43.1235 90 0.2 71
IV.FIAM.HNN. 2022-02-23T17:49:18.84 0.6 undecidable manual S 198 47.9187 90 -0.31 43
IV.MF5.EHZ. 2022-02-23T17:49:17.14 0.3 undecidable manual S 21 36.741 90 0.96 57
IV.GAVE.EHN. 2022-02-23T17:49:15.27 0.1 undecidable manual S 273 32.745 90 0.16 97
IV.GIGS.HHN. 2022-02-23T17:49:15.55 0.1 undecidable manual S 138 33.8439 90 0.16 98
IV.CESI.HHE. 2022-02-23T17:49:13.13 0.1 undecidable manual P 319 48.1185 90 0.38 90
IV.TERO.HHZ. 2022-02-23T17:49:13.08 0.3 undecidable manual S 104 25.9518 90 -0.21 69
IV.FIAM.HNN. 2022-02-23T17:49:13.08 0.1 undecidable manual P 198 47.9187 90 0.37 91
7F.SIB1.EHZ. 2022-02-23T17:49:12.83 0.3 undecidable manual S 355 24.0537 90 0.05 75
IV.CSP1.EHZ. 2022-02-23T17:49:12.37 0.1 undecidable manual P 351 46.4202 90 -0.1 93
IV.LNSS.HHZ. 2022-02-23T17:49:12.47 0.3 undecidable manual S 248 22.4553 90 0.11 75
7F.SIB2.EHZ. 2022-02-23T17:49:12.23 0.3 undecidable manual S 2 23.5542 90 -0.42 67
IV.CAMP.HHZ. 2022-02-23T17:49:11.15 0.3 undecidable manual S 150 18.3705 90 -0.13 72
IV.RM33.HNZ. 2022-02-23T17:49:11.69 0.3 undecidable manual S 199 19.9689 90 -0.01 73
IV.MF5.EHZ. 2022-02-23T17:49:11.40 0.1 undecidable manual P 21 36.741 90 0.4 91
7F.SIB3.EHZ. 2022-02-23T17:49:11.78 0.3 undecidable manual S 355 21.867 90 -0.42 68
IV.FDMO.HHZ. 2022-02-23T17:49:11.79 0.1 undecidable manual P 337 43.1235 90 -0.18 92
IV.GAVE.EHN. 2022-02-23T17:49:10.12 0.1 undecidable manual P 273 32.745 90 -0.25 92
IV.GIGS.HHN. 2022-02-23T17:49:10.29 0.1 undecidable manual P 138 33.8439 90 -0.25 91
IV.TERO.HHZ. 2022-02-23T17:49:09.20 0.1 undecidable manual P 104 25.9518 90 -0.13 95
IV.T0110.HHZ. 2022-02-23T17:49:09.16 3.0 undecidable manual P 0
IV.MTRA.EHZ. 2022-02-23T17:49:09.33 0.3 undecidable manual S 44 11.877 108 -0.23 74
IV.MC2.EHZ. 2022-02-23T17:49:09.49 0.1 undecidable manual P 341 27.1506 90 -0.03 98
7F.SIB3.EHZ. 2022-02-23T17:49:08.49 0.1 undecidable manual P 355 21.867 90 -0.21 95
7F.SIB2.EHZ. 2022-02-23T17:49:08.76 0.1 undecidable manual P 2 23.5542 90 -0.19 95
IV.NRCA.HHZ. 2022-02-23T17:49:08.61 0.1 undecidable manual P 319 22.5552 90 -0.2 95
7F.SIB1.EHZ. 2022-02-23T17:49:08.97 0.1 undecidable manual P 355 24.0537 90 -0.06 98
IV.CAMP.HHZ. 2022-02-23T17:49:08.32 0.3 undecidable manual P 150 18.3705 90 0.16 75
IV.SMA1.EHZ. 2022-02-23T17:49:08.54 0.3 undecidable manual S 149 6.2937 140 0.2 73
IV.RM33.HNZ. 2022-02-23T17:49:08.45 0.1 undecidable manual P 199 19.9689 90 0.04 99
IV.LNSS.HHZ. 2022-02-23T17:49:08.74 0.3 undecidable manual P 248 22.4553 90 -0.05 73
IV.MTRA.EHZ. 2022-02-23T17:49:07.25 0.1 undecidable manual P 44 11.877 108 0.08 100
IV.SMA1.EHZ. 2022-02-23T17:49:06.77 0.1 undecidable manual P 149 6.2937 140 0.3 96
IV.OFFI.HHZ. 2022-02-23T17:49:01.09 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.9 0.0012517225 0.1408 AML other m 2022-02-23T17:49:08.60
IV.SMA1.EHE. ML:1.8 0.0009264999999999999 0.12 AML other m 2022-02-23T17:49:08.60
IV.MTRA.HNE. ML:1.7 0.00058613713 0.064 AML other m 2022-02-23T17:49:09.68
IV.MTRA.EHE. ML:1.8 0.000601905645 0.0768 AML other m 2022-02-23T17:49:09.68
IV.MTRA.HNN. ML:2.0 0.0009495135 0.192 AML other m 2022-02-23T17:49:09.73
IV.MTRA.EHN. ML:1.9 0.00094681605 0.1792 AML other m 2022-02-23T17:49:09.73
IV.LNSS.HHN. ML:1.3 0.0001360683 0.1792 AML other m 2022-02-23T17:49:12.76
IV.TERO.HHN. ML:1.5 0.00017199999999999998 0.24 AML other m 2022-02-23T17:49:13.19
IV.TERO.HNE. ML:1.3 0.00011943503000000001 0.0768 AML other m 2022-02-23T17:49:13.18
IV.TERO.HHE. ML:1.3 0.00010415351 0.064 AML other m 2022-02-23T17:49:13.18
IV.LNSS.HHE. ML:1.5 0.0002 0.12 AML other m 2022-02-23T17:49:13.36
IV.LNSS.HNE. ML:1.5 0.00018785977 0.1152 AML other m 2022-02-23T17:49:13.31
IV.NRCA.HHE. ML:1.6 0.00023885895000000002 0.1024 AML other m 2022-02-23T17:49:13.43
IV.NRCA.HNE. ML:1.6 0.00024032880000000002 0.1152 AML other m 2022-02-23T17:49:13.43
IV.NRCA.HHN. ML:1.4 0.0001708357 0.1152 AML other m 2022-02-23T17:49:13.86
IV.NRCA.HNN. ML:1.4 0.00018074929 0.128 AML other m 2022-02-23T17:49:13.86
IV.MC2.EHN. ML:1.6 0.00023269505 0.2048 AML other m 2022-02-23T17:49:15.78
IV.MC2.EHE. ML:1.5 0.00015373980000000001 1.6928 AML other m 2022-02-23T17:49:16.04
IV.MF5.EHE. ML:1.6 0.00016425 0.58 AML other m 2022-02-23T17:49:17.02
IV.MF5.EHN. ML:1.6 0.0001585 0.36 AML other m 2022-02-23T17:49:17.36
IV.CSP1.EHE. ML:1.5 0.000083113595 0.3072 AML other m 2022-02-23T17:49:20.37
IV.CSP1.EHN. ML:1.5 0.000090727145 0.3328 AML other m 2022-02-23T17:49:21.56
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