Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 24-03-2022 and time 20:24:05 (Italy) in region 4 km E Amatrice (RI)

A magnitude ML 0.8 earthquake occured in region: 4 km E Amatrice (RI), on

  • 24-03-2022 19:24:05 (UTC)
  • 24-03-2022 20:24:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6210, 13.3370 at 8 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 4 2657 2657
Campotosto AQ 8 542 3199
Accumoli RI 11 667 3866
Capitignano AQ 11 665 4531
Montereale AQ 13 2581 7112
Cortino TE 14 656 7768
Crognaleto TE 14 1297 9065
Cittareale RI 14 482 9547
Arquata del Tronto AP 17 1178 10725
Rocca Santa Maria TE 17 537 11262
Acquasanta Terme AP 18 2916 14178
Fano Adriano TE 18 296 14474
Valle Castellana TE 19 977 15451
Barete AQ 19 737 16188
Cagnano Amiterno AQ 20 1369 17557

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km N of L'Aquila (69753 inhabitants)
31 Km W of Teramo (54892 inhabitants)
57 Km E of Terni (111501 inhabitants)
64 Km SE of Foligno (57155 inhabitants)
68 Km W of Montesilvano (53738 inhabitants)
74 Km W of Pescara (121014 inhabitants)
75 Km W of Chieti (51815 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
85 Km NE of Tivoli (56533 inhabitants)
94 Km SE of Perugia (166134 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 0.8 2022-03-24
19:24:05		 42.6207 13.3367 8 2022-07-08
12:33:41		 Bollettino Sismico Italiano INGV 102799291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-03-24 19:24:05 ± 0.1
Latitude 42.6207 ± 0.0036
Longitude 13.3367 ± 0.0037
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 102799291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 398
Semi-minor axis of confidence ellipse (meter) 58
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 18
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26800
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations 11
Type of magnitude ML
Reference to an origin 102799291
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-04-05 10:12:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2022-03-24T19:24:16.73 0.1 undecidable manual S 323 29.748 105 0.04 97
IV.TERO.HHZ. 2022-03-24T19:24:14.11 0.1 undecidable manual S 89 21.867 110 0.05 98
IV.RM33.EHZ. 2022-03-24T19:24:12.08 0.1 undecidable manual S 219 15.873 117 -0.1 98
IV.NRCA.HHZ. 2022-03-24T19:24:12.17 0.1 undecidable manual P 323 29.748 105 0.01 97
7F.SIB3.EHN. 2022-03-24T19:24:11.75 0.1 undecidable manual P 349 28.749 106 -0.21 94
IV.LNSS.HHZ. 2022-03-24T19:24:11.11 0.1 undecidable manual P 265 24.2535 109 0 98
IV.GIGS.HJZ. 2022-03-24T19:24:11.34 0.1 undecidable manual P 134 26.751 107 -0.24 93
IV.TERO.HHZ. 2022-03-24T19:24:10.77 0.1 undecidable manual P 89 21.867 110 0.13 96
IV.RM33.EHZ. 2022-03-24T19:24:09.77 0.1 undecidable manual P 219 15.873 117 0.22 96
IV.SMA1.EHZ. 2022-03-24T19:24:08.71 0.1 undecidable manual S 355 1.0989 172 -0.12 100
IV.SMA1.EHZ. 2022-03-24T19:24:07.85 0.1 undecidable manual P 355 1.0989 172 0.23 98
IV.MMO1.EHZ. 2022-03-24T19:24:06.68 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNE. ML:1.3 0.0001847185 3.8784 AML other m 2022-03-24T19:24:09.47
IV.RM33.EHN. ML:0.7 0.000044399999999999995 0.28 AML other m 2022-03-24T19:24:12.26
IV.TERO.HHE. ML:0.8 0.00004946051 0.4608 AML other m 2022-03-24T19:24:12.69
IV.RM33.EHE. ML:0.6 0.0000393 1.76 AML other m 2022-03-24T19:24:13.03
IV.TERO.HHN. ML:0.9 0.00005403399 0.2816 AML other m 2022-03-24T19:24:14.41
IV.TERO.HNE. ML:1.4 0.00017779465 2.4064 AML other m 2022-03-24T19:24:15.44
IV.NRCA.HNN. ML:1.6 0.00017942715 1.3056 AML other m 2022-03-24T19:24:16.19
IV.LNSS.HHN. ML:0.2 0.0000091017595 0.1408 AML other m 2022-03-24T19:24:16.79
IV.TERO.HNN. ML:1.4 0.00019669395 3.3152 AML other m 2022-03-24T19:24:15.62
IV.NRCA.HHE. ML:0.3 0.000010409958 0.0768 AML other m 2022-03-24T19:24:17.36
IV.NRCA.HHN. ML:0.3 0.000010123843 0.0768 AML other m 2022-03-24T19:24:17.96
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