Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 25-04-2022 and time 14:15:53 (Italy) in region 3 km SE Accumoli (RI)

A magnitude ML 1.6 earthquake occured in region: 3 km SE Accumoli (RI), on

  • 25-04-2022 12:15:53 (UTC)
  • 25-04-2022 14:15:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6740, 13.2590 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.

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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 3 667 667
Amatrice RI 5 2657 3324
Cittareale RI 10 482 3806
Arquata del Tronto AP 12 1178 4984
Campotosto AQ 16 542 5526
Acquasanta Terme AP 16 2916 8442
Montereale AQ 17 2581 11023
Capitignano AQ 17 665 11688
Norcia PG 19 4957 16645
Montegallo AP 20 523 17168

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km W of Teramo (54892 inhabitants)
38 Km NW of L'Aquila (69753 inhabitants)
52 Km E of Terni (111501 inhabitants)
55 Km SE of Foligno (57155 inhabitants)
75 Km W of Montesilvano (53738 inhabitants)
82 Km W of Pescara (121014 inhabitants)
83 Km W of Chieti (51815 inhabitants)
86 Km SE of Perugia (166134 inhabitants)
87 Km NE of Guidonia Montecelio (88673 inhabitants)
88 Km NE of Tivoli (56533 inhabitants)
99 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 1.6 2022-04-25
12:15:53		 42.6737 13.2593 10 2022-07-08
12:33:54		 Bollettino Sismico Italiano INGV 104393131
Reviewed
Rev100 		ML 1.6 2022-04-25
12:15:53		 42.6753 13.2642 10 2022-04-25
12:23:06		 Sala Sismica INGV-Roma 103759201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-25 12:15:53 ± 0.05
Latitude 42.6737 ± 0.0027
Longitude 13.2593 ± 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 104393131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 352
Semi-minor axis of confidence ellipse (meter) 155
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 86
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 42
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) 0.58546
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 104393131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-09 09:36:19

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 103759201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-25 12:23:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MIDA.HHZ. 2022-04-25T12:16:31.80 3.0 undecidable manual S -0.7 0
IV.EL6.EHZ. 2022-04-25T12:16:13.89 3.0 undecidable manual P 0
IV.MML1.EHZ. 2022-04-25T12:16:11.46 0.6 undecidable manual S 334 54.1014 50 0.44 43
IV.CSP1.EHZ. 2022-04-25T12:16:09.12 0.6 undecidable manual S 355 46.62 50 0.1 47
IV.GUMA.HHZ. 2022-04-25T12:16:08.97 0.3 undecidable manual S 8 43.623 50 0.75 59
IV.FIAM.HNN. 2022-04-25T12:16:08.97 0.3 undecidable manual S 195 46.5201 50 -0.02 72
IV.MF5.EHZ. 2022-04-25T12:16:07.45 0.3 undecidable manual S 25 38.4282 50 0.6 64
IV.ARRO.EHZ. 2022-04-25T12:16:07.48 0.3 undecidable manual S 256 41.625 50 -0.22 70
IV.FDMO.HHZ. 2022-04-25T12:16:07.90 0.6 undecidable manual S 341 42.624 50 -0.06 48
IV.GIGS.HHZ. 2022-04-25T12:16:05.67 0.3 undecidable manual S 134 35.4423 50 -0.36 69
IV.T0110.HHZ. 2022-04-25T12:16:05.66 0.3 undecidable manual P 139 64.9905 50 0.2 67
IV.MC2.EHZ. 2022-04-25T12:16:04.05 0.6 undecidable manual S 348 26.9508 50 0.27 47
IV.GAVE.EHZ. 2022-04-25T12:16:04.32 0.3 undecidable manual S 274 29.8479 50 -0.23 71
IV.MMO1.HNZ. 2022-04-25T12:16:03.15 0.3 undecidable manual S 12 25.6521 50 -0.27 71
IV.TERO.HHZ. 2022-04-25T12:16:03.72 0.3 undecidable manual S 101 28.6491 50 -0.51 67
IV.MML1.EHZ. 2022-04-25T12:16:03.73 0.1 undecidable manual P 334 54.1014 50 -0.06 94
IV.GUMA.HHZ. 2022-04-25T12:16:02.44 0.3 undecidable manual P 8 43.623 50 0.27 69
7F.SIB2.EHZ. 2022-04-25T12:16:02.64 0.3 undecidable manual S 9 24.3534 113 -0.43 69
IV.CSP1.EHZ. 2022-04-25T12:16:02.54 0.1 undecidable manual P 355 46.62 50 -0.09 95
IV.FIAM.HNN. 2022-04-25T12:16:02.45 0.3 undecidable manual P 195 46.5201 50 -0.17 70
7F.SIB1.EHZ. 2022-04-25T12:16:02.57 0.6 undecidable manual S 2 24.5532 112 -0.55 44
IV.LNSS.HHZ. 2022-04-25T12:16:01.56 0.3 undecidable manual S 246 19.5693 117 0.02 76
MN.AQU.HNN. 2022-04-25T12:16:01.31 0.1 undecidable manual P 161 37.4292 50 0.09 96
IV.FDMO.HHZ. 2022-04-25T12:16:01.92 0.3 undecidable manual P 341 42.624 50 -0.1 72
IV.NRCA.HNZ. 2022-04-25T12:16:01.69 0.3 undecidable manual S 326 21.3675 115 -0.41 70
IV.CAMP.HHZ. 2022-04-25T12:16:01.15 0.3 undecidable manual S 141 19.5693 117 -0.41 70
IV.MF5.EHZ. 2022-04-25T12:16:01.80 0.1 undecidable manual P 25 38.4282 50 0.42 90
IV.RM33.EHZ. 2022-04-25T12:16:01.44 0.6 undecidable manual S 191 18.6702 119 0.17 49
IV.ARRO.EHZ. 2022-04-25T12:16:01.83 0.3 undecidable manual P 256 41.625 50 -0.04 72
IV.GIGS.HHZ. 2022-04-25T12:16:00.64 0.1 undecidable manual P 134 35.4423 50 -0.27 93
7F.SIB1.EHZ. 2022-04-25T12:15:59.20 0.1 positive manual P 2 24.5532 112 -0.03 100
IV.GAVE.EHZ. 2022-04-25T12:15:59.97 0.3 undecidable manual P 274 29.8479 50 -0.08 73
IV.MTRA.EHZ. 2022-04-25T12:15:59.79 0.6 undecidable manual S 50 14.4744 125 -0.25 49
IV.MMO1.HNZ. 2022-04-25T12:15:59.36 0.1 undecidable manual P 12 25.6521 50 -0.04 99
IV.MC2.EHZ. 2022-04-25T12:15:59.64 0.1 undecidable manual P 348 26.9508 50 0.03 99
IV.TERO.HHZ. 2022-04-25T12:15:59.71 0.3 undecidable manual P 101 28.6491 50 -0.16 72
IV.SMA1.EHZ. 2022-04-25T12:15:58.68 0.3 undecidable manual S 128 7.7811 142 0.33 72
IV.RM33.EHZ. 2022-04-25T12:15:58.42 0.1 positive manual P 191 18.6702 119 0.26 96
IV.LNSS.HHZ. 2022-04-25T12:15:58.52 0.1 positive manual P 246 19.5693 117 0.2 97
IV.NRCA.HNZ. 2022-04-25T12:15:58.59 0.1 negative manual P 326 21.3675 115 -0.05 100
IV.CAMP.HHZ. 2022-04-25T12:15:58.41 0.1 undecidable manual P 141 19.5693 117 0.09 100
7F.SIB2.EHZ. 2022-04-25T12:15:58.96 0.3 undecidable manual P 9 24.3534 113 -0.24 72
IV.MTRA.EHZ. 2022-04-25T12:15:57.61 0.1 positive manual P 50 14.4744 125 0.16 99
IV.SMA1.EHZ. 2022-04-25T12:15:56.89 0.1 negative manual P 128 7.7811 142 0.42 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.4 0.000347 0.58 AML other m 2022-04-25T12:15:59.39
IV.MTRA.HNE. ML:2.0 0.001021 1.88 AML other m 2022-04-25T12:15:59.01
IV.MTRA.HNN. ML:1.9 0.0007830000000000001 1.88 AML other m 2022-04-25T12:16:00.00
IV.MTRA.EHN. ML:1.9 0.0008209999999999999 1.86 AML other m 2022-04-25T12:16:00.01
IV.SMA1.EHN. ML:1.2 0.000256 0.46 AML other m 2022-04-25T12:16:00.02
IV.MTRA.EHE. ML:2.0 0.0010249999999999999 0.5 AML other m 2022-04-25T12:16:00.01
IV.RM33.EHN. ML:1.6 0.000309 1.68 AML other m 2022-04-25T12:16:02.98
IV.RM33.EHE. ML:1.6 0.0003165 1.64 AML other m 2022-04-25T12:16:02.99
IV.LNSS.HHN. ML:1.8 0.00044999999999999993 1.12 AML other m 2022-04-25T12:16:02.89
IV.LNSS.HHE. ML:1.5 0.0002505 1.28 AML other m 2022-04-25T12:16:02.19
IV.TERO.HHN. ML:1.5 0.0001505 0.68 AML other m 2022-04-25T12:16:04.59
IV.TERO.HHE. ML:1.4 0.00012590000000000002 0.84 AML other m 2022-04-25T12:16:04.59
IV.GAVE.EHN. ML:1.7 0.0002615 0.28 AML other m 2022-04-25T12:16:04.61
IV.MC2.EHN. ML:1.6 0.00019883374999999997 0.1344 AML other m 2022-04-25T12:16:05.03
IV.GAVE.HNE. ML:1.7 0.00023609755 0.1792 AML other m 2022-04-25T12:16:05.18
IV.GAVE.EHE. ML:1.7 0.00025 0.44 AML other m 2022-04-25T12:16:05.41
IV.MC2.EHE. ML:1.7 0.0002678103 1.7952 AML other m 2022-04-25T12:16:06.08
IV.FDMO.HHN. ML:1.3 0.00006395000000000001 1.3 AML other m 2022-04-25T12:16:08.80
IV.ARRO.EHN. ML:1.2 0.000053400000000000004 0.18 AML other m 2022-04-25T12:16:08.33
IV.ARRO.EHE. ML:1.1 0.000044649999999999994 0.94 AML other m 2022-04-25T12:16:08.37
IV.GAVE.HNN. ML:1.6 0.0001742267 1.1296 AML other m 2022-04-25T12:16:09.61
IV.FDMO.HHE. ML:1.2 0.000054099999999999994 1.48 AML other m 2022-04-25T12:16:09.91
IV.GUMA.HHE. ML:2.0 0.000352 0.28 AML other m 2022-04-25T12:16:09.34
IV.GUMA.HHN. ML:1.8 0.0001995 0.66 AML other m 2022-04-25T12:16:09.74
IV.CSP1.EHE. ML:1.5 0.000084831445 0.1792 AML other m 2022-04-25T12:16:09.84
IV.CSP1.EHN. ML:1.7 0.00013019181 0.1408 AML other m 2022-04-25T12:16:10.30
IV.MML1.EHE. ML:1.1 0.0000308 0.18 AML other m 2022-04-25T12:16:12.15
IV.MML1.EHN. ML:1.2 0.00003725 0.2 AML other m 2022-04-25T12:16:12.25
IV.EL6.EHN. ML:1.4 0.000038464725 0.1344 AML other m 2022-04-25T12:16:19.48
IV.EL6.EHE. ML:1.3 0.000032389670000000004 0.2624 AML other m 2022-04-25T12:16:20.63
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