Earthquake with magnitude of ML 0.8 on date 18-08-2022 and time 02:52:02 (UTC) in region 8 km NW Accumoli (RI)

A magnitude ML 0.8 earthquake occured in region: 8 km NW Accumoli (RI), on

  • 18-08-2022 02:52:02 (UTC)
  • 18-08-2022 04:52:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7530, 13.1860 at 9 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 8 667 667
Norcia PG 9 4957 5624
Arquata del Tronto AP 9 1178 6802
Cascia PG 15 3217 10019
Cittareale RI 15 482 10501
Montegallo AP 16 523 11024
Amatrice RI 16 2657 13681
Castelsantangelo sul Nera MC 16 281 13962
Acquasanta Terme AP 18 2916 16878
Preci PG 19 724 17602

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of Teramo (54892 inhabitants)
45 Km SE of Foligno (57155 inhabitants)
48 Km NW of L'Aquila (69753 inhabitants)
49 Km E of Terni (111501 inhabitants)
76 Km SE of Perugia (166134 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
90 Km W of Pescara (121014 inhabitants)
92 Km NE of Guidonia Montecelio (88673 inhabitants)
92 Km W of Chieti (51815 inhabitants)
93 Km NE of Tivoli (56533 inhabitants)
96 Km E of Viterbo (67173 inhabitants)
100 Km S of Ancona (100861 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 2022-08-18
02:52:02
42.7528 13.1865 9 2022-08-18
03:01:31
Sala Sismica INGV-Roma 108664551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-18 02:52:02 ± 0.06
Latitude 42.7528 ± 0.0027
Longitude 13.1865 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 108664551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 357
Semi-minor axis of confidence ellipse (meter) 160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 100
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) 67
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.09623
Epicentral distance of station farthest from the epicenter (degree) 0.57916
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 19
Type of magnitude ML
Reference to an origin 108664551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-18 03:01:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2022-08-18T02:52:23.07 1.0 undecidable manual S 354 64.2912 50 0.32 21
IV.ARRO.EHZ. 2022-08-18T02:52:16.41 0.3 undecidable manual S 241 39.3273 50 0.32 68
IV.GUMA.HHZ. 2022-08-18T02:52:15.96 0.3 undecidable manual S 19 36.4413 50 0.65 61
IV.CSP1.EHZ. 2022-08-18T02:52:15.48 0.3 undecidable manual S 2 37.629 50 -0.14 70
IV.TERO.HHZ. 2022-08-18T02:52:15.11 0.3 undecidable manual S 113 36.9297 50 -0.34 68
IV.MF5.EHZ. 2022-08-18T02:52:15.41 0.3 undecidable manual S 40 34.2435 50 0.69 61
IV.CESI.HHZ. 2022-08-18T02:52:14.99 0.3 undecidable manual S 321 36.1416 50 -0.24 69
IV.EL6.EHZ. 2022-08-18T02:52:14.21 1.0 undecidable manual P 354 64.2912 50 -0.09 23
IV.CAMP.HHZ. 2022-08-18T02:52:13.44 0.3 undecidable manual S 143 30.1476 50 -0.19 71
IV.FDMO.HHZ. 2022-08-18T02:52:13.74 0.3 undecidable manual S 346 32.4453 50 -0.51 65
IV.GAVE.EHZ. 2022-08-18T02:52:12.04 0.3 undecidable manual S 254 24.753 111 0.09 73
IV.RM33.EHZ. 2022-08-18T02:52:12.78 0.3 undecidable manual S 175 27.1506 109 0.05 73
IV.GUMA.HHZ. 2022-08-18T02:52:10.27 0.1 undecidable manual P 19 36.4413 50 0.27 92
IV.ARRO.EHZ. 2022-08-18T02:52:10.46 0.3 undecidable manual P 241 39.3273 50 0.01 72
IV.MMO1.EHZ. 2022-08-18T02:52:10.27 0.3 undecidable manual S 35 19.869 115 -0.11 73
7F.SIB2.EHZ. 2022-08-18T02:52:09.66 0.3 undecidable manual S 32 18.0708 118 -0.16 72
IV.FDMO.HHZ. 2022-08-18T02:52:09.22 0.1 undecidable manual P 346 32.4453 50 -0.17 94
IV.MF5.EHZ. 2022-08-18T02:52:09.92 0.3 undecidable manual P 40 34.2435 50 0.26 69
IV.MC2.EHZ. 2022-08-18T02:52:09.95 0.3 undecidable manual S 1 17.5713 118 0.27 71
IV.CESI.HHZ. 2022-08-18T02:52:09.21 0.6 undecidable manual P 321 36.1416 50 -0.75 39
IV.MTRA.HNZ. 2022-08-18T02:52:09.53 0.3 undecidable manual S 89 17.0718 119 0 75
IV.CSP1.EHZ. 2022-08-18T02:52:09.85 1.0 undecidable manual P 2 37.629 50 -0.34 23
IV.TERO.HHZ. 2022-08-18T02:52:09.90 0.3 undecidable manual P 113 36.9297 50 -0.19 70
IV.GAVE.EHZ. 2022-08-18T02:52:08.16 0.1 undecidable manual P 254 24.753 111 0.1 97
IV.CAMP.HHZ. 2022-08-18T02:52:08.82 0.3 undecidable manual P 143 30.1476 50 -0.22 70
7F.SIB3.EHZ. 2022-08-18T02:52:08.60 0.3 undecidable manual S 27 15.1737 122 -0.35 70
IV.RM33.EHZ. 2022-08-18T02:52:08.58 0.1 undecidable manual P 175 27.1506 109 0.07 97
IV.MMO1.EHZ. 2022-08-18T02:52:07.18 0.1 undecidable manual P 35 19.869 115 0.02 99
IV.NRCA.HNZ. 2022-08-18T02:52:07.40 0.3 undecidable manual S 327 10.6782 131 -0.3 71
IV.MTRA.HNZ. 2022-08-18T02:52:06.88 0.3 undecidable manual P 89 17.0718 119 0.21 72
7F.SIB2.EHZ. 2022-08-18T02:52:06.80 0.1 undecidable manual P 32 18.0708 118 -0.04 99
IV.MC2.EHZ. 2022-08-18T02:52:06.92 0.1 undecidable manual P 1 17.5713 118 0.17 97
7F.SIB3.EHZ. 2022-08-18T02:52:06.35 0.1 undecidable manual P 27 15.1737 122 0.02 100
IV.NRCA.HNZ. 2022-08-18T02:52:05.77 0.1 undecidable manual P 327 10.6782 131 0.16 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMO1.EHE. ML:0.9 0.000065800705 0.0784 AML other m 2022-08-18T02:52:10.81
IV.MMO1.EHN. ML:0.9 0.000053563895000000004 0.2192 AML other m 2022-08-18T02:52:10.68
IV.GAVE.EHN. ML:1.0 0.000064502085 0.12 AML other m 2022-08-18T02:52:12.93
IV.GAVE.EHE. ML:1.0 0.0000642 0.14 AML other m 2022-08-18T02:52:13.47
IV.FDMO.HHN. ML:0.5 0.000014989837000000001 0.16 AML other m 2022-08-18T02:52:14.99
IV.CESI.HHE. ML:0.6 0.000016713737 0.2 AML other m 2022-08-18T02:52:16.53
IV.CESI.HHN. ML:0.9 0.000030515050000000002 0.1792 AML other m 2022-08-18T02:52:15.25
IV.FDMO.HHE. ML:0.4 0.0000107401035 0.1792 AML other m 2022-08-18T02:52:15.92
IV.MC2.EHE. ML:0.9 0.000069508235 0.12 AML other m 2022-08-18T02:52:10.82
IV.MC2.EHN. ML:1.0 0.00008626721 0.1008 AML other m 2022-08-18T02:52:10.71
IV.RM33.EHE. ML:0.6 0.00002028394 0.1408 AML other m 2022-08-18T02:52:13.59
IV.RM33.EHN. ML:0.6 0.000019806965 0.08 AML other m 2022-08-18T02:52:13.94
IV.CSP1.EHE. ML:1.0 0.000035188465 0.12 AML other m 2022-08-18T02:52:16.64
IV.CSP1.EHN. ML:1.0 0.000033413855 0.2 AML other m 2022-08-18T02:52:16.28
IV.TERO.HHE. ML:0.8 0.000023850975 0.12 AML other m 2022-08-18T02:52:15.84
IV.MF5.EHE. ML:0.8 0.000023339531 0.1792 AML other m 2022-08-18T02:52:16.34
IV.MF5.EHN. ML:0.7 0.0000183955745 0.16 AML other m 2022-08-18T02:52:15.75
IV.ARRO.EHE. ML:0.6 0.00001416922 0.1392 AML other m 2022-08-18T02:52:18.05
IV.ARRO.EHN. ML:0.4 0.0000098657345 3.4208 AML other m 2022-08-18T02:52:17.74
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