Earthquake with magnitude of ML 1.8 on date 28-09-2022 and time 23:02:49 (UTC) in region 7 km NW Accumoli (RI)

A magnitude ML 1.8 earthquake occured in region: 7 km NW Accumoli (RI), on

  • 28-09-2022 23:02:49 (UTC)
  • 29-09-2022 01:02:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7400, 13.1820 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 7 667 667
Norcia PG 9 4957 5624
Arquata del Tronto AP 10 1178 6802
Cittareale RI 14 482 7284
Cascia PG 14 3217 10501
Amatrice RI 15 2657 13158
Montegallo AP 17 523 13681
Castelsantangelo sul Nera MC 18 281 13962
Acquasanta Terme AP 19 2916 16878
Preci PG 19 724 17602

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of Teramo (54892 inhabitants)
46 Km SE of Foligno (57155 inhabitants)
47 Km NW of L'Aquila (69753 inhabitants)
48 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)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
92 Km W of Chieti (51815 inhabitants)
92 Km NE of Tivoli (56533 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
Bulletin
Rev1000
ML 1.8 2022-09-28
23:02:49
42.7398 13.1818 10 2024-03-01
15:28:07
Bollettino Sismico Italiano INGV 112331091
Reviewed
Rev100
ML 1.8 2022-09-28
23:02:49
42.741 13.1845 10 2022-09-28
23:08:05
Sala Sismica INGV-Roma 110272221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-28 23:02:49 ± 0.05
Latitude 42.7398 ± 0.0027
Longitude 13.1818 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 112331091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 332
Semi-minor axis of confidence ellipse (meter) 199
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) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 43
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) 0.10612
Epicentral distance of station farthest from the epicenter (degree) 0.77791
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 110272221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-28 23:08:05

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 112331091
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-19 11:25:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2022-09-28T23:03:04.59 0.6 undecidable manual P 347 86.3469 50 0.02 44
IV.ARRO.EHZ. 2022-09-28T23:03:03.78 0.6 undecidable manual S 242 38.3283 50 1.1 34
IV.CESI.HHZ. 2022-09-28T23:03:02.66 0.3 undecidable manual S 323 37.0296 50 0.32 68
IV.CING.HHZ. 2022-09-28T23:03:02.18 0.3 undecidable manual P 1 70.5738 50 0.04 68
IV.CSP1.EHZ. 2022-09-28T23:03:02.92 0.3 undecidable manual S 3 39.1275 50 0.04 72
IV.MF5.EHZ. 2022-09-28T23:03:02.64 0.6 undecidable manual S 39 35.6421 50 0.69 41
IV.FDMO.HHZ. 2022-09-28T23:03:01.40 0.3 undecidable manual S 347 33.8439 50 -0.07 72
IV.ATCC.EHZ. 2022-09-28T23:03:00.82 0.3 undecidable manual P 318 66.1893 50 -0.64 59
IV.CAMP.HHZ. 2022-09-28T23:02:59.57 0.3 undecidable manual S 141 29.2485 50 -0.69 62
IV.OFFI.HHZ. 2022-09-28T23:02:59.18 0.3 undecidable manual P 62 46.3203 50 0.77 58
IV.FIAM.HHZ. 2022-09-28T23:02:59.07 0.3 undecidable manual P 186 52.6029 50 -0.3 66
IV.MNTT.EHZ. 2022-09-28T23:02:59.67 0.6 undecidable manual P 43 49.1175 50 0.84 37
IV.GAVE.EHZ. 2022-09-28T23:02:58.67 0.3 undecidable manual S 257 24.0537 112 0.05 74
IV.GIGS.HHZ. 2022-09-28T23:02:58.04 0.3 undecidable manual P 135 45.0216 50 -0.17 69
IV.MML1.EHZ. 2022-09-28T23:02:58.18 0.3 undecidable manual P 338 44.8218 50 0 72
IV.CESX.HHZ. 2022-09-28T23:02:58.96 0.6 undecidable manual P 253 50.7159 50 -0.12 46
IV.MF5.EHZ. 2022-09-28T23:02:57.01 0.3 undecidable manual P 39 35.6421 50 0.26 69
IV.LNSS.HHZ. 2022-09-28T23:02:57.17 0.3 undecidable manual S 217 19.0698 117 0.12 73
IV.MC2.EHZ. 2022-09-28T23:02:57.18 0.3 undecidable manual S 2 19.0698 117 0.14 73
IV.ARRO.EHZ. 2022-09-28T23:02:57.10 0.1 negative manual P 242 38.3283 50 -0.07 95
IV.MMO1.EHZ. 2022-09-28T23:02:57.67 0.3 undecidable manual S 34 21.2676 114 -0.06 74
IV.SMA1.EHZ. 2022-09-28T23:02:57.10 0.3 undecidable manual S 134 17.4714 119 0.56 66
IV.CSP1.EHZ. 2022-09-28T23:02:57.14 0.3 undecidable manual P 3 39.1275 50 -0.15 70
7F.SIB1.EHZ. 2022-09-28T23:02:56.94 0.3 undecidable manual S 23 18.6702 117 0.03 75
7F.SIB2.EHZ. 2022-09-28T23:02:56.97 0.3 undecidable manual S 31 19.4694 116 -0.21 72
7F.SIB3.EHZ. 2022-09-28T23:02:56.03 0.3 undecidable manual S 26 16.6722 120 -0.27 71
IV.CESI.HHZ. 2022-09-28T23:02:56.88 0.3 undecidable manual P 323 37.0296 50 -0.09 71
IV.TERO.HHZ. 2022-09-28T23:02:56.61 0.3 undecidable manual P 111 36.8298 50 -0.33 68
IV.MTRA.EHZ. 2022-09-28T23:02:56.66 0.3 undecidable manual S 84 17.5713 118 0.07 74
IV.FDMO.HHZ. 2022-09-28T23:02:56.16 0.3 undecidable manual P 347 33.8439 50 -0.32 68
IV.CAMP.HHZ. 2022-09-28T23:02:55.63 0.3 undecidable manual P 141 29.2485 50 -0.14 72
IV.RM33.EHZ. 2022-09-28T23:02:55.00 0.3 undecidable manual P 174 25.752 110 -0.15 72
IV.NRCA.HNZ. 2022-09-28T23:02:54.64 0.3 undecidable manual S 332 11.7771 129 -0.26 72
IV.MMO1.EHZ. 2022-09-28T23:02:54.24 0.1 positive manual P 34 21.2676 114 -0.08 98
IV.GAVE.EHZ. 2022-09-28T23:02:54.76 0.3 undecidable manual P 257 24.0537 112 -0.07 73
IV.LNSS.HHZ. 2022-09-28T23:02:54.06 0.1 positive manual P 217 19.0698 117 0.14 97
IV.MC2.EHZ. 2022-09-28T23:02:54.09 0.1 positive manual P 2 19.0698 117 0.18 96
IV.MTRA.EHZ. 2022-09-28T23:02:53.67 0.1 positive manual P 84 17.5713 118 0.02 100
IV.SMA1.EHZ. 2022-09-28T23:02:53.70 0.3 undecidable manual P 134 17.4714 119 0.08 74
7F.SIB1.EHZ. 2022-09-28T23:02:53.90 0.1 positive manual P 23 18.6702 117 0.06 99
7F.SIB2.EHZ. 2022-09-28T23:02:53.87 0.1 positive manual P 31 19.4694 116 -0.13 97
7F.SIB3.EHZ. 2022-09-28T23:02:53.44 0.1 positive manual P 26 16.6722 120 -0.05 99
IV.NRCA.HNZ. 2022-09-28T23:02:52.76 0.1 positive manual P 332 11.7771 129 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:1.9 0.001028 0.16 AML other m 2022-09-28T23:02:54.87
IV.NRCA.HNN. ML:1.8 0.0008374999999999999 1.62 AML other m 2022-09-28T23:02:54.81
IV.NRCA.HHN. ML:1.9 0.000892 1.62 AML other m 2022-09-28T23:02:54.00
IV.NRCA.HHE. ML:2.0 0.0011899999999999999 1.36 AML other m 2022-09-28T23:02:55.88
IV.MTRA.EHN. ML:2.0 0.0008334999999999999 0.18 AML other m 2022-09-28T23:02:57.16
IV.MTRA.HNN. ML:2.0 0.000841 0.16 AML other m 2022-09-28T23:02:57.16
IV.MTRA.HNE. ML:2.0 0.0008885 1.06 AML other m 2022-09-28T23:02:57.78
IV.MTRA.EHE. ML:2.0 0.00086 1.06 AML other m 2022-09-28T23:02:57.79
IV.LNSS.HHE. ML:2.2 0.0011745000000000002 0.18 AML other m 2022-09-28T23:02:57.45
IV.LNSS.HNE. ML:2.1 0.0010595 0.18 AML other m 2022-09-28T23:02:57.45
IV.LNSS.HNN. ML:2.0 0.000804 0.12 AML other m 2022-09-28T23:02:57.57
IV.LNSS.HHN. ML:2.0 0.00088 0.12 AML other m 2022-09-28T23:02:57.51
IV.MC2.EHN. ML:1.9 0.000665 0.56 AML other m 2022-09-28T23:02:57.88
IV.MMO1.EHN. ML:1.7 0.000368 1.82 AML other m 2022-09-28T23:02:58.03
IV.MMO1.EHE. ML:1.6 0.00027800000000000004 0.42 AML other m 2022-09-28T23:02:58.27
IV.MC2.EHE. ML:1.8 0.00045850000000000003 0.6 AML other m 2022-09-28T23:02:58.11
IV.SMA1.EHE. ML:1.4 0.000231 1.64 AML other m 2022-09-28T23:02:58.14
IV.GAVE.EHN. ML:1.7 0.000325 0.36 AML other m 2022-09-28T23:02:59.74
IV.GAVE.EHE. ML:1.7 0.0003235 0.26 AML other m 2022-09-28T23:03:00.71
IV.SMA1.EHN. ML:1.5 0.00026649999999999997 0.82 AML other m 2022-09-28T23:03:02.41
IV.FDMO.HHE. ML:1.4 0.00010475000000000001 0.8 AML other m 2022-09-28T23:03:03.53
IV.CSP1.EHE. ML:2.1 0.00046950000000000003 0.4 AML other m 2022-09-28T23:03:03.59
IV.CESI.HHN. ML:1.5 0.000124 0.14 AML other m 2022-09-28T23:03:04.06
IV.FDMO.HHN. ML:1.4 0.000104 0.54 AML other m 2022-09-28T23:03:04.44
IV.CSP1.EHN. ML:2.1 0.00040449999999999997 0.42 AML other m 2022-09-28T23:03:04.50
IV.CESI.HHE. ML:1.4 0.00008484999999999999 1 AML other m 2022-09-28T23:03:05.15
IV.MML1.EHN. ML:1.4 0.00007769999999999999 0.42 AML other m 2022-09-28T23:03:06.62
IV.MML1.EHE. ML:1.3 0.000054850000000000005 1.46 AML other m 2022-09-28T23:03:08.80
IV.MNTT.EHN. ML:1.9 0.00022199999999999998 0.56 AML other m 2022-09-28T23:03:09.54
IV.CING.HHE. ML:1.5 0.0000487 1.56 AML other m 2022-09-28T23:03:14.10
IV.MNTT.EHE. ML:1.8 0.0001821 1.44 AML other m 2022-09-28T23:03:15.89
IV.CING.HHN. ML:1.5 0.000054199999999999996 0.42 AML other m 2022-09-28T23:03:18.53
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