Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 25-02-2022 and time 06:41:26 (UTC) in region 1 km SW Amatrice (RI)

A magnitude ML 2.1 earthquake occured in region: 1 km SW Amatrice (RI), on

  • 25-02-2022 06:41:26 (UTC)
  • 25-02-2022 07:41:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6230, 13.2840 at 13 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
Amatrice RI 1 2657 2657
Accumoli RI 9 667 3324
Campotosto AQ 10 542 3866
Cittareale RI 10 482 4348
Montereale AQ 11 2581 6929
Capitignano AQ 11 665 7594
Arquata del Tronto AP 17 1178 8772
Borbona RI 17 617 9389
Crognaleto TE 18 1297 10686
Cortino TE 18 656 11342
Cagnano Amiterno AQ 19 1369 12711
Posta RI 19 694 13405
Barete AQ 19 737 14142
Acquasanta Terme AP 19 2916 17058

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of L'Aquila (69753 inhabitants)
35 Km W of Teramo (54892 inhabitants)
53 Km E of Terni (111501 inhabitants)
60 Km SE of Foligno (57155 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
78 Km W of Pescara (121014 inhabitants)
79 Km W of Chieti (51815 inhabitants)
83 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km NE of Tivoli (56533 inhabitants)
91 Km SE of Perugia (166134 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 2.1 2022-02-25
06:41:26		 42.6227 13.2837 13 2022-07-08
12:33:56		 Bollettino Sismico Italiano INGV 104554861
Reviewed
Rev100 		ML 2.2 2022-02-25
06:41:26		 42.6287 13.2788 12 2022-02-25
06:48:30		 Sala Sismica INGV-Roma 101436501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-02-25 06:41:26 ± 0.05
Latitude 42.6227 ± 0.0027
Longitude 13.2837 ± 0.0049
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 104554861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 411
Semi-minor axis of confidence ellipse (meter) 183
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 256
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 42
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 53
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.03867
Epicentral distance of station farthest from the epicenter (degree) 0.84716
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 40
Type of magnitude ML
Reference to an origin 104554861
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-05-12 22:10:06

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 101436501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-02-25 06:48:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESX.HHE. 2022-02-25T06:41:44.68 0.6 undecidable manual S 269 56.8986 92 0.11 46
IV.CSP1.EHZ. 2022-02-25T06:41:43.85 0.6 undecidable manual S 353 52.4031 93 0.47 42
IV.MURB.HHZ. 2022-02-25T06:41:43.44 1.0 undecidable manual P 319 94.0392 91 0.61 19
IV.GUMA.HHZ. 2022-02-25T06:41:43.35 0.6 undecidable manual S 5 49.0176 93 0.88 36
IT.MTCL.HGE. 2022-02-25T06:41:42.06 0.6 undecidable manual S 331 47.2194 93 0.06 47
IV.FAGN.HHZ. 2022-02-25T06:41:42.18 0.6 undecidable manual S 148 46.62 93 0.35 44
IV.FDMO.HHZ. 2022-02-25T06:41:42.41 0.6 undecidable manual S 341 48.618 93 0.05 47
IV.MF5.EHZ. 2022-02-25T06:41:41.60 0.6 undecidable manual S 19 42.9237 93 0.74 39
IV.CING.HHZ. 2022-02-25T06:41:41.72 0.3 undecidable manual P 355 83.8494 91 0.46 60
IV.SNTG.HHZ. 2022-02-25T06:41:40.11 0.1 undecidable manual P 338 75.4689 92 0.14 87
IV.ARRO.EHE. 2022-02-25T06:41:40.35 0.6 undecidable manual S 264 42.5241 93 -0.4 44
IV.FEMA.HNE. 2022-02-25T06:41:40.88 0.6 undecidable manual S 333 42.2244 93 0.23 45
IV.EL6.EHZ. 2022-02-25T06:41:40.72 0.6 undecidable manual P 349 79.7646 92 0.09 44
IV.ASSB.HHZ. 2022-02-25T06:41:39.58 0.6 undecidable manual P 313 68.9754 92 0.61 39
IV.ASCOL.HNN. 2022-02-25T06:41:39.18 0.6 undecidable manual S 44 35.5422 94 0.29 46
MN.AQU.HNN. 2022-02-25T06:41:38.14 0.6 undecidable manual S 162 31.4463 95 0.36 46
IV.MC2.EHZ. 2022-02-25T06:41:38.44 0.3 undecidable manual S 347 32.9448 95 0.25 69
IV.MOMA.HHZ. 2022-02-25T06:41:38.44 0.6 undecidable manual P 289 61.494 92 0.62 40
IT.GNU.HGE. 2022-02-25T06:41:38.31 0.6 undecidable manual P 289 61.494 92 0.49 42
IV.MML1.EHZ. 2022-02-25T06:41:37.60 0.6 undecidable manual P 335 60.0954 92 0 46
7F.SIB2.EHE. 2022-02-25T06:41:37.07 0.3 undecidable manual S 3 29.8479 96 -0.29 69
7F.SIB1.EHE. 2022-02-25T06:41:37.42 0.3 undecidable manual S 358 30.2475 96 -0.04 73
IT.MMP1.HGE. 2022-02-25T06:41:37.71 0.1 undecidable manual P 227 60.2952 92 0.08 91
IV.CESX.HHE. 2022-02-25T06:41:37.00 0.6 undecidable manual P 269 56.8986 92 -0.11 46
IV.GIGS.HHN. 2022-02-25T06:41:37.23 0.6 undecidable manual S 128 30.2475 96 -0.23 46
IV.GAVE.HNN. 2022-02-25T06:41:37.94 0.6 undecidable manual S 284 32.6451 95 -0.18 47
IV.GUMA.HHZ. 2022-02-25T06:41:36.17 0.1 undecidable manual P 5 49.0176 93 0.28 89
IV.NRCA.HNZ. 2022-02-25T06:41:36.20 0.3 undecidable manual S 330 27.1506 97 -0.46 67
IV.FAGN.HHZ. 2022-02-25T06:41:36.31 0.6 undecidable manual P 148 46.62 93 0.79 39
IV.TERO.HHZ. 2022-02-25T06:41:36.11 0.3 undecidable manual S 90 26.1516 98 -0.28 69
IV.CSP1.EHZ. 2022-02-25T06:41:36.34 0.1 undecidable manual P 353 52.4031 93 -0.09 93
7F.SIB3.EHE. 2022-02-25T06:41:36.57 0.3 undecidable manual S 358 28.0497 97 -0.31 69
IV.FDMO.HHZ. 2022-02-25T06:41:35.54 0.6 undecidable manual P 341 48.618 93 -0.3 45
IT.MTCL.HGE. 2022-02-25T06:41:35.32 0.1 undecidable manual P 331 47.2194 93 -0.3 89
IV.MF5.EHZ. 2022-02-25T06:41:35.33 0.3 undecidable manual P 19 42.9237 93 0.36 67
IV.ARRO.EHE. 2022-02-25T06:41:34.37 0.1 undecidable manual P 264 42.5241 93 -0.54 85
IV.FEMA.HNE. 2022-02-25T06:41:34.61 0.1 undecidable manual P 333 42.2244 93 -0.24 91
IV.ASCOL.HNN. 2022-02-25T06:41:34.00 0.3 undecidable manual P 44 35.5422 94 0.17 70
IV.GIGS.HHN. 2022-02-25T06:41:33.14 0.6 undecidable manual P 128 30.2475 96 0.14 48
IV.MTRA.EHZ. 2022-02-25T06:41:33.64 0.3 undecidable manual S 32 17.4714 108 -0.48 68
IV.GAVE.HNN. 2022-02-25T06:41:33.36 0.6 undecidable manual P 284 32.6451 95 -0.03 48
IV.MC2.EHZ. 2022-02-25T06:41:33.37 0.1 undecidable manual P 347 32.9448 95 -0.06 96
IV.RM33.EHZ. 2022-02-25T06:41:33.07 0.3 undecidable manual S 204 13.7751 117 -0.14 73
IV.TERO.HHZ. 2022-02-25T06:41:32.35 0.3 undecidable manual P 90 26.1516 98 -0.04 73
7F.SIB3.EHE. 2022-02-25T06:41:32.44 0.3 undecidable manual P 358 28.0497 97 -0.23 70
MN.AQU.HNN. 2022-02-25T06:41:32.70 0.1 undecidable manual P 162 31.4463 95 -0.49 87
7F.SIB2.EHE. 2022-02-25T06:41:32.72 0.3 undecidable manual P 3 29.8479 96 -0.23 70
IV.NRCA.HNZ. 2022-02-25T06:41:32.36 0.3 undecidable manual P 330 27.1506 97 -0.18 71
7F.SIB1.EHE. 2022-02-25T06:41:32.93 0.1 undecidable manual P 358 30.2475 96 -0.08 96
IV.SMA1.EHZ. 2022-02-25T06:41:31.10 0.3 undecidable manual S 78 4.2957 157 -0.37 72
IV.RM33.EHZ. 2022-02-25T06:41:30.75 0.1 undecidable manual P 204 13.7751 117 0.2 97
IV.MTRA.EHZ. 2022-02-25T06:41:30.96 0.1 positive manual P 32 17.4714 108 -0.12 98
IV.SMA1.EHZ. 2022-02-25T06:41:29.63 0.1 undecidable manual P 78 4.2957 157 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:2.7 0.00687 0.34 AML other m 2022-02-25T06:41:31.61
IV.SMA1.EHE. ML:2.6 0.006445 0.24 AML other m 2022-02-25T06:41:31.83
IV.RM33.HNN. ML:2.4 0.002485 0.38 AML other m 2022-02-25T06:41:33.45
IV.RM33.EHN. ML:2.4 0.00246 0.38 AML other m 2022-02-25T06:41:33.46
IV.RM33.EHE. ML:2.4 0.00235 0.72 AML other m 2022-02-25T06:41:33.40
IV.RM33.HNE. ML:2.4 0.002375 0.9 AML other m 2022-02-25T06:41:33.43
IV.MTRA.HNN. ML:2.2 0.001295 1.74 AML other m 2022-02-25T06:41:34.96
IV.MTRA.EHN. ML:2.2 0.00128 1.72 AML other m 2022-02-25T06:41:34.96
IV.MTRA.HNE. ML:2.2 0.001265 0.52 AML other m 2022-02-25T06:41:34.87
IV.MTRA.EHE. ML:2.2 0.0012000000000000001 0.52 AML other m 2022-02-25T06:41:34.88
IV.NRCA.HHE. ML:2.5 0.001685 0.2 AML other m 2022-02-25T06:41:36.43
IV.NRCA.HNE. ML:2.5 0.0016200000000000001 0.22 AML other m 2022-02-25T06:41:36.44
IV.NRCA.HHN. ML:2.4 0.00124 0.46 AML other m 2022-02-25T06:41:36.70
IV.NRCA.HNN. ML:2.4 0.001195 0.42 AML other m 2022-02-25T06:41:37.47
IV.TERO.HHE. ML:0.0 0.0001985 0.3 AML other m 2022-02-25T06:41:38.71
IV.TERO.HHN. ML:0.0 0.00023487279999999999 0.2784 AML other m 2022-02-25T06:41:39.03
IV.MC2.EHE. ML:2.2 0.000713 0.96 AML other m 2022-02-25T06:41:39.41
IV.MC2.EHN. ML:2.4 0.0009835 0.66 AML other m 2022-02-25T06:41:40.31
IV.GUMA.HHN. ML:2.7 0.00121 0.28 AML other m 2022-02-25T06:41:43.93
IV.FDMO.HHN. ML:1.8 0.00017449999999999999 0.18 AML other m 2022-02-25T06:41:44.23
IV.FDMO.HHE. ML:1.8 0.000176 0.42 AML other m 2022-02-25T06:41:44.77
IV.CSP1.EHN. ML:2.3 0.000504 0.18 AML other m 2022-02-25T06:41:45.68
IV.CSP1.EHE. ML:2.4 0.000589 1.22 AML other m 2022-02-25T06:41:45.71
IV.GUMA.HHE. ML:2.6 0.0010765 0.3 AML other m 2022-02-25T06:41:46.05
IV.MML1.EHN. ML:1.8 0.0001365 1 AML other m 2022-02-25T06:41:46.96
IV.MML1.EHE. ML:1.8 0.0001225 0.94 AML other m 2022-02-25T06:41:47.49
IV.MOMA.HHN. ML:1.7 0.0001003 0.16 AML other m 2022-02-25T06:41:49.02
IV.MOMA.HHE. ML:1.9 0.000152 0.2 AML other m 2022-02-25T06:41:49.41
IV.SNTG.HHN. ML:1.6 0.00005815 1.02 AML other m 2022-02-25T06:41:52.16
IV.SNTG.HHE. ML:1.7 0.00007585 1.36 AML other m 2022-02-25T06:41:52.03
IV.SNTG.HNE. ML:2.0 0.00016399999999999997 0.48 AML other m 2022-02-25T06:41:52.48
IV.EL6.EHN. ML:2.0 0.00013800000000000002 1.2 AML other m 2022-02-25T06:41:53.66
IV.EL6.EHE. ML:2.0 0.00014145 0.42 AML other m 2022-02-25T06:41:53.81
IV.CING.HHE. ML:2.1 0.0001635 0.78 AML other m 2022-02-25T06:41:54.82
IV.CING.HHN. ML:1.9 0.00010879999999999999 1.12 AML other m 2022-02-25T06:41:55.59
IV.SNTG.HNN. ML:2.1 0.0001795 0.8 AML other m 2022-02-25T06:41:56.44
IV.MURB.HHE. ML:2.1 0.0001275 0.74 AML other m 2022-02-25T06:41:59.52
IV.MURB.HHN. ML:2.1 0.00014700000000000002 0.28 AML other m 2022-02-25T06:41:59.94
IV.TERO.HNE. ML:1.7 0.0002526018 0.3072 AML other m 2022-02-25T06:41:37.91
IV.TERO.HNN. ML:1.7 0.00028869125 0.3904 AML other m 2022-02-25T06:41:37.84
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
Waveforms Seismic signals in miniseed + resp format Download