Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 26-01-2022 and time 21:36:03 (UTC) in region 2 km NW Amatrice (RI)

A magnitude ML 0.7 earthquake occured in region: 2 km NW Amatrice (RI), on

  • 26-01-2022 21:36:03 (UTC)
  • 26-01-2022 22:36:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6440, 13.2740 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 2 2657 2657
Accumoli RI 6 667 3324
Cittareale RI 10 482 3806
Campotosto AQ 12 542 4348
Montereale AQ 13 2581 6929
Capitignano AQ 14 665 7594
Arquata del Tronto AP 15 1178 8772
Acquasanta Terme AP 18 2916 11688
Borbona RI 19 617 12305
Cortino TE 19 656 12961
Posta RI 20 694 13655
Crognaleto TE 20 1297 14952

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NW of L'Aquila (69753 inhabitants)
35 Km W of Teramo (54892 inhabitants)
52 Km E of Terni (111501 inhabitants)
58 Km SE of Foligno (57155 inhabitants)
73 Km W of Montesilvano (53738 inhabitants)
80 Km W of Pescara (121014 inhabitants)
80 Km W of Chieti (51815 inhabitants)
84 Km NE of Guidonia Montecelio (88673 inhabitants)
85 Km NE of Tivoli (56533 inhabitants)
89 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 0.7 2022-01-26
21:36:03		 42.6438 13.2737 13 2022-07-08
12:33:27		 Bollettino Sismico Italiano INGV 100711131
Reviewed
Rev100 		ML 0.6 2022-01-26
21:36:03		 42.6505 13.2563 11 2022-01-26
22:05:39		 Sala Sismica INGV-Roma 100212741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-26 21:36:03 ± 0.09
Latitude 42.6438 ± 0.0063
Longitude 13.2737 ± 0.0073
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 100711131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 621
Semi-minor axis of confidence ellipse (meter) 513
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 317
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
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 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24372
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 100711131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-04-27 09:57:55

ML:0.6

Field Value
Value 0.6
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 100212741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-26 22:05:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SRES.HHZ. 2022-01-26T21:36:26.52 3.0 undecidable manual S -0.72 0
IV.TERO.HHZ. 2022-01-26T21:36:13.12 0.3 undecidable manual S 95 27.0507 96 -0.13 73
IV.NRCA.HHZ. 2022-01-26T21:36:12.40 0.6 undecidable manual S 328 24.753 97 -0.23 48
IV.LNSS.HHZ. 2022-01-26T21:36:11.09 0.6 undecidable manual S 257 19.5693 102 -0.18 48
IV.MTRA.EHN. 2022-01-26T21:36:10.13 0.6 undecidable manual S 39 16.0728 109 -0.23 49
IV.TERO.HHZ. 2022-01-26T21:36:09.29 0.3 undecidable manual P 95 27.0507 96 0.14 73
IV.RM33.EHZ. 2022-01-26T21:36:09.95 0.3 undecidable manual S 198 15.7731 110 -0.34 71
IV.NRCA.HHZ. 2022-01-26T21:36:08.78 0.1 undecidable manual P 328 24.753 97 -0.01 99
IV.SMA1.EHZ. 2022-01-26T21:36:08.12 0.6 undecidable manual S 106 5.2947 151 -0.03 51
IV.LNSS.HHZ. 2022-01-26T21:36:08.41 0.3 undecidable manual P 257 19.5693 102 0.4 70
IV.RM33.EHZ. 2022-01-26T21:36:07.52 0.1 undecidable manual P 198 15.7731 110 0.08 100
IV.MTRA.EHN. 2022-01-26T21:36:07.50 0.3 undecidable manual P 39 16.0728 109 0.02 76
IV.SMA1.EHZ. 2022-01-26T21:36:06.41 0.1 undecidable manual P 106 5.2947 151 0.2 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:0.7 0.00006175 0.22 AML other m 2022-01-26T21:36:08.55
IV.SMA1.EHE. ML:0.8 0.00007324999999999999 0.22 AML other m 2022-01-26T21:36:08.62
IV.RM33.EHN. ML:0.5 0.0000253 0.46 AML other m 2022-01-26T21:36:10.13
IV.RM33.EHE. ML:0.7 0.0000424 0.98 AML other m 2022-01-26T21:36:10.43
IV.NRCA.HHE. ML:0.8 0.00003265 1.14 AML other m 2022-01-26T21:36:12.66
IV.NRCA.HHN. ML:0.6 0.0000223 0.74 AML other m 2022-01-26T21:36:13.89
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