Earthquake with magnitude of ML 0.8 on date 18-07-2022 and time 04:22:21 (UTC) in region 5 km W Accumoli (RI)

A magnitude ML 0.8 earthquake occured in region: 5 km W Accumoli (RI), on

  • 18-07-2022 04:22:21 (UTC)
  • 18-07-2022 06:22:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6810, 13.1950 at 11 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
Accumoli RI 5 667 667
Cittareale RI 8 482 1149
Amatrice RI 10 2657 3806
Arquata del Tronto AP 13 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
Campotosto AQ 20 542 17592
Capitignano AQ 20 665 18257

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)
47 Km E of Terni (111501 inhabitants)
50 Km SE of Foligno (57155 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
81 Km SE of Perugia (166134 inhabitants)
85 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)
94 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
Reviewed
Rev100
ML 0.8 2022-07-18
04:22:21
42.6808 13.1953 11 2022-07-18
04:28:28
Sala Sismica INGV-Roma 107399161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-18 04:22:21 ± 0.05
Latitude 42.6808 ± 0.0027
Longitude 13.1953 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 107399161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 306
Semi-minor axis of confidence ellipse (meter) 303
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 264
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36423
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 107399161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-07-18 04:28:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPEL.HHZ. 2022-07-18T04:22:37.72 3.0 undecidable manual Pg -0.11 0
IV.TERO.HHZ. 2022-07-18T04:22:32.84 0.3 undecidable manual S 101 33.9438 50 -0.34 69
IV.MC2.EHZ. 2022-07-18T04:22:31.20 0.3 undecidable manual S 359 25.5522 50 0.25 71
IV.GAVE.EHZ. 2022-07-18T04:22:30.45 0.3 undecidable manual S 273 24.5532 50 -0.23 71
IV.FDMO.HHZ. 2022-07-18T04:22:29.43 0.1 undecidable manual P 347 40.4262 50 0.16 94
IV.RM33.EHZ. 2022-07-18T04:22:29.03 0.3 undecidable manual S 175 19.1697 119 -0.14 73
IV.ARRO.EHZ. 2022-07-18T04:22:28.70 0.1 undecidable manual P 252 36.8298 50 -0.02 97
IV.LNSS.HHZ. 2022-07-18T04:22:28.09 0.3 undecidable manual S 236 15.3735 125 0.04 75
IV.TERO.HHZ. 2022-07-18T04:22:28.28 0.1 undecidable manual P 101 33.9438 50 0.01 98
IV.NRCA.HHZ. 2022-07-18T04:22:28.53 0.3 undecidable manual S 339 18.1707 120 -0.35 70
IV.MTRA.EHZ. 2022-07-18T04:22:28.89 0.3 undecidable manual S 63 18.4704 120 -0.07 75
IV.MC2.EHZ. 2022-07-18T04:22:27.15 0.1 undecidable manual P 359 25.5522 50 0.17 96
IV.RM33.EHZ. 2022-07-18T04:22:26.22 0.1 undecidable manual P 175 19.1697 119 0.26 95
IV.GAVE.EHZ. 2022-07-18T04:22:26.72 0.1 undecidable manual P 273 24.5532 50 -0.11 98
IV.MTRA.EHZ. 2022-07-18T04:22:25.90 0.1 undecidable manual P 63 18.4704 120 0.06 99
IV.LNSS.HHZ. 2022-07-18T04:22:25.43 0.1 undecidable manual P 236 15.3735 125 0.12 99
IV.NRCA.HHZ. 2022-07-18T04:22:25.75 0.1 undecidable manual P 339 18.1707 120 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:0.9 0.00006909832 0.1824 AML other m 2022-07-18T04:22:28.40
IV.LNSS.HHN. ML:0.8 0.00006275 0.26 AML other m 2022-07-18T04:22:28.32
IV.NRCA.HHN. ML:1.0 0.0000803 0.1 AML other m 2022-07-18T04:22:28.71
IV.NRCA.HHE. ML:1.2 0.00011991275 0.1184 AML other m 2022-07-18T04:22:29.05
IV.MTRA.EHE. ML:0.8 0.000048349999999999996 1.04 AML other m 2022-07-18T04:22:29.17
IV.MTRA.EHN. ML:0.6 0.00003715 0.96 AML other m 2022-07-18T04:22:29.96
IV.RM33.EHN. ML:0.4 0.00002035 0.92 AML other m 2022-07-18T04:22:29.12
IV.GAVE.EHE. ML:0.8 0.00004145 1.14 AML other m 2022-07-18T04:22:30.79
IV.GAVE.EHN. ML:0.9 0.000043349999999999997 0.32 AML other m 2022-07-18T04:22:30.66
IV.RM33.EHE. ML:0.1 0.0000116883895 0.1184 AML other m 2022-07-18T04:22:30.01
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