Earthquake with magnitude of ML 1.1 on date 22-09-2022 and time 23:46:53 (UTC) in region 8 km NW Accumoli (RI)

A magnitude ML 1.1 earthquake occured in region: 8 km NW Accumoli (RI), on

  • 22-09-2022 23:46:53 (UTC)
  • 23-09-2022 01:46:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7440, 13.1710 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 8 4957 5624
Arquata del Tronto AP 11 1178 6802
Cascia PG 13 3217 10019
Cittareale RI 14 482 10501
Amatrice RI 16 2657 13158
Castelsantangelo sul Nera MC 17 281 13439
Montegallo AP 17 523 13962
Preci PG 19 724 14686
Poggiodomo PG 20 117 14803
Acquasanta Terme AP 20 2916 17719

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km W of Teramo (54892 inhabitants)
45 Km SE of Foligno (57155 inhabitants)
47 Km NW of L'Aquila (69753 inhabitants)
47 Km E of Terni (111501 inhabitants)
75 Km SE of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km W of Pescara (121014 inhabitants)
92 Km NE of Tivoli (56533 inhabitants)
93 Km W of Chieti (51815 inhabitants)
95 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 1.1 2022-09-22
23:46:53
42.744 13.1712 9 2022-09-22
23:51:34
Sala Sismica INGV-Roma 110031801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-22 23:46:53 ± 0.08
Latitude 42.7440 ± 0.0036
Longitude 13.1712 ± 0.0061
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 110031801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 538
Semi-minor axis of confidence ellipse (meter) 321
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 276
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34894
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 110031801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-22 23:51:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2022-09-22T23:47:21.07 3.0 undecidable manual S -0.13 0
IV.EL6.EHZ. 2022-09-22T23:47:15.20 3.0 undecidable manual S 0.09 0
IV.GUMA.HHZ. 2022-09-22T23:47:07.68 0.1 undecidable manual S 21 37.8288 50 0.82 77
IV.CSP1.EHZ. 2022-09-22T23:47:07.08 0.1 undecidable manual S 4 38.7279 50 -0.02 96
IV.MF5.EHZ. 2022-09-22T23:47:06.78 0.1 undecidable manual S 41 35.8419 50 0.45 88
IV.CING.HHZ. 2022-09-22T23:47:06.81 3.0 undecidable manual P 0.28 0
IV.CESI.HHZ. 2022-09-22T23:47:05.92 0.1 undecidable manual S 323 36.1416 50 -0.5 87
IV.FDMO.HHZ. 2022-09-22T23:47:05.40 0.1 undecidable manual S 348 33.1446 50 -0.22 93
IV.FIAM.HHZ. 2022-09-22T23:47:03.17 3.0 negative manual P -0.38 0
IV.GAVE.EHZ. 2022-09-22T23:47:02.95 0.1 undecidable manual S 256 23.2545 111 0.48 90
IV.RM33.EHZ. 2022-09-22T23:47:02.93 0.1 undecidable manual S 172 26.3514 109 -0.53 88
IV.CSP1.EHZ. 2022-09-22T23:47:01.31 0.1 undecidable manual P 4 38.7279 50 -0.18 93
IV.ARRO.EHZ. 2022-09-22T23:47:01.04 3.0 negative manual P 0.02 0
IV.MC2.EHZ. 2022-09-22T23:47:01.22 0.6 undecidable manual S 4 18.6702 115 0.23 48
IV.MMO1.EHZ. 2022-09-22T23:47:01.68 0.1 undecidable manual S 36 21.3675 113 -0.19 96
IV.GUMA.HHZ. 2022-09-22T23:47:01.42 1.0 positive manual P 21 37.8288 50 0.07 24
IV.SMA1.EHZ. 2022-09-22T23:47:01.13 0.1 undecidable manual S 133 18.3705 116 0.22 96
IV.MF5.EHZ. 2022-09-22T23:47:01.03 1.0 positive manual P 41 35.8419 50 -0.02 24
IV.TERO.HHZ. 2022-09-22T23:47:01.38 3.0 undecidable manual P 0.26 0
IV.LNSS.HHZ. 2022-09-22T23:47:01.42 0.1 undecidable manual S 214 18.9699 115 0.34 93
IV.FDMO.HHZ. 2022-09-22T23:47:00.29 1.0 negative manual P 348 33.1446 50 -0.35 23
IV.CESI.HHZ. 2022-09-22T23:47:00.85 0.6 undecidable manual P 323 36.1416 50 -0.25 46
IV.RM33.EHZ. 2022-09-22T23:46:59.05 0.6 positive manual P 172 26.3514 109 -0.34 46
IV.NRCA.HHZ. 2022-09-22T23:46:58.63 0.1 undecidable manual S 335 10.9779 129 -0.09 100
IV.GAVE.EHZ. 2022-09-22T23:46:58.87 0.6 negative manual P 256 23.2545 111 0.05 49
IV.MC2.EHZ. 2022-09-22T23:46:58.00 0.1 undecidable manual P 4 18.6702 115 0.04 99
IV.MMO1.EHZ. 2022-09-22T23:46:58.20 0.1 undecidable manual P 36 21.3675 113 -0.26 94
IV.SMA1.EHZ. 2022-09-22T23:46:57.92 1.0 positive manual P 133 18.3705 116 0 25
IV.LNSS.HHZ. 2022-09-22T23:46:57.94 1.0 undecidable manual P 214 18.9699 115 -0.08 25
IV.NRCA.HHZ. 2022-09-22T23:46:56.72 0.1 positive manual P 335 10.9779 129 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.6 0.000345 0.16 AML other m 2022-09-22T23:47:01.39
IV.LNSS.HHN. ML:1.5 0.0002495 0.34 AML other m 2022-09-22T23:47:01.68
IV.MC2.EHN. ML:1.6 0.00029000000000000006 0.54 AML other m 2022-09-22T23:47:01.82
IV.MC2.EHE. ML:1.5 0.000235 0.62 AML other m 2022-09-22T23:47:02.05
IV.MMO1.EHN. ML:1.2 0.000117 1.32 AML other m 2022-09-22T23:47:02.92
IV.MMO1.EHE. ML:1.2 0.0001215 1.3 AML other m 2022-09-22T23:47:02.21
IV.GAVE.EHN. ML:1.2 0.0000932 1.24 AML other m 2022-09-22T23:47:03.67
IV.RM33.EHN. ML:1.0 0.0000518 0.4 AML other m 2022-09-22T23:47:03.92
IV.RM33.EHE. ML:1.1 0.00007494999999999999 0.82 AML other m 2022-09-22T23:47:04.52
IV.GAVE.EHE. ML:1.2 0.00010785 1.12 AML other m 2022-09-22T23:47:04.94
IV.SMA1.EHN. ML:0.9 0.0000642 0.4 AML other m 2022-09-22T23:47:05.44
IV.SMA1.EHE. ML:0.9 0.000060899999999999996 0.5 AML other m 2022-09-22T23:47:05.75
IV.FDMO.HHN. ML:1.0 0.00004285 1.1 AML other m 2022-09-22T23:47:06.22
IV.FDMO.HHE. ML:0.9 0.0000334 0.52 AML other m 2022-09-22T23:47:06.62
IV.CESI.HHN. ML:1.0 0.0000374 1.48 AML other m 2022-09-22T23:47:06.89
IV.CESI.HHE. ML:0.8 0.00002745 0.84 AML other m 2022-09-22T23:47:06.56
IV.GUMA.HHE. ML:1.9 0.000301 0.22 AML other m 2022-09-22T23:47:07.84
IV.GUMA.HHN. ML:1.8 0.0002535 0.52 AML other m 2022-09-22T23:47:07.93
IV.ARRO.EHE. ML:0.8 0.000025750000000000002 1.14 AML other m 2022-09-22T23:47:08.60
IV.ARRO.EHN. ML:0.7 0.0000206 1.52 AML other m 2022-09-22T23:47:11.11
IV.FIAM.HHE. ML:1.1 0.00003025 1.4 AML other m 2022-09-22T23:47:12.84
IV.FIAM.HHN. ML:1.0 0.000025750000000000002 0.42 AML other m 2022-09-22T23:47:17.38
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