Earthquake with magnitude of ML 0.7 on date 29-03-2021 and time 23:27:43 (UTC) in region 3 km SE Amatrice (RI)

A magnitude ML 0.7 earthquake occured in region: 3 km SE Amatrice (RI), on

  • 29-03-2021 23:27:43 (UTC)
  • 30-03-2021 01:27:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6100, 13.3160 at 7 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Amatrice RI 3 2657 2657
Campotosto AQ 7 542 3199
Capitignano AQ 10 665 3864
Montereale AQ 11 2581 6445
Accumoli RI 11 667 7112
Cittareale RI 13 482 7594
Crognaleto TE 15 1297 8891
Cortino TE 16 656 9547
Barete AQ 18 737 10284
Cagnano Amiterno AQ 18 1369 11653
Arquata del Tronto AP 18 1178 12831
Borbona RI 18 617 13448
Rocca Santa Maria TE 19 537 13985
Pizzoli AQ 19 4326 18311
Fano Adriano TE 19 296 18607
Acquasanta Terme AP 19 2916 21523

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km N of L'Aquila (69753 inhabitants)
32 Km W of Teramo (54892 inhabitants)
55 Km E of Terni (111501 inhabitants)
63 Km SE of Foligno (57155 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
75 Km W of Pescara (121014 inhabitants)
76 Km W of Chieti (51815 inhabitants)
83 Km NE of Guidonia Montecelio (88673 inhabitants)
83 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
Reviewed
Rev100
ML 0.7 2021-03-29
23:27:43
42.61 13.316 7 2021-03-29
23:41:56
Sala Sismica INGV-Roma 88599771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-29 23:27:43 ± 0.08
Latitude 42.6100 ± 0.0027
Longitude 13.3160 ± 0.0037
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 88599771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 310
Semi-minor axis of confidence ellipse (meter) 31
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 41
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.02518
Epicentral distance of station farthest from the epicenter (degree) 0.28958
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 88599771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-29 23:41:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2021-03-29T23:27:54.52 0.6 undecidable manual S 2 32.1456 103 -0.07 47
IV.NRCA.HHZ. 2021-03-29T23:27:53.93 0.6 undecidable manual S 327 29.748 104 0.13 47
IV.GIGS.HJZ. 2021-03-29T23:27:52.52 0.6 undecidable manual S 130 27.2505 105 -0.44 44
IV.LNSS.HNZ. 2021-03-29T23:27:51.62 0.6 undecidable manual S 268 22.5552 108 0.23 46
IV.TERO.HHZ. 2021-03-29T23:27:51.66 0.6 undecidable manual S 86 23.5542 107 -0.07 48
IV.MMO1.EHZ. 2021-03-29T23:27:49.64 1.0 undecidable manual P 2 32.1456 103 -0.13 23
IV.MTRA.HNZ. 2021-03-29T23:27:49.90 0.6 undecidable manual S 22 17.5713 113 0.13 48
IV.NRCA.HHZ. 2021-03-29T23:27:49.21 0.1 negative manual P 327 29.748 104 -0.1 94
IV.GIGS.HJZ. 2021-03-29T23:27:49.07 0.1 undecidable manual P 130 27.2505 105 0.24 92
IV.RM33.EHZ. 2021-03-29T23:27:48.78 0.6 undecidable manual S 217 13.9749 118 0.15 48
IV.TERO.HHZ. 2021-03-29T23:27:48.01 0.1 negative manual P 86 23.5542 107 -0.1 95
IV.MTRA.HNZ. 2021-03-29T23:27:47.14 0.1 undecidable manual P 22 17.5713 113 0.16 95
IV.CAMP.HHZ. 2021-03-29T23:27:47.80 0.6 undecidable manual S 137 11.1777 123 -0.02 49
IV.LNSS.HNZ. 2021-03-29T23:27:47.64 0.1 undecidable manual P 268 22.5552 108 -0.28 92
IV.RM33.EHZ. 2021-03-29T23:27:46.32 1.0 positive manual P 217 13.9749 118 -0.01 25
IV.CAMP.HHZ. 2021-03-29T23:27:46.00 0.1 undecidable manual P 137 11.1777 123 0.15 96
IV.T1299.EHZ. 2021-03-29T23:27:45.82 0.6 undecidable manual S 314 3.8961 152 -0.22 48
IV.SMA1.EHZ. 2021-03-29T23:27:45.90 0.6 undecidable manual S 35 2.7972 159 0.01 50
IV.SMA1.EHZ. 2021-03-29T23:27:44.88 0.6 undecidable manual P 35 2.7972 159 0.14 49
IV.T1299.EHZ. 2021-03-29T23:27:44.81 0.1 undecidable manual P 314 3.8961 152 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:0.2 0.000021125390000000002 0.1536 AML other m 2021-03-29T23:27:48.97
IV.RM33.EHE. ML:0.6 0.00004608114 0.32 AML other m 2021-03-29T23:27:48.82
IV.TERO.HHN. ML:1.0 0.0000714 0.2 AML other m 2021-03-29T23:27:51.76
IV.TERO.HHE. ML:0.8 0.000042255029999999996 0.1408 AML other m 2021-03-29T23:27:51.73
IV.SMA1.EHE. ML:0.0 0.0005722975999999999 0.2816 AML other m 2021-03-29T23:27:46.09
IV.SMA1.EHN. ML:0.0 0.00040584454999999996 0.1536 AML other m 2021-03-29T23:27:45.91
IV.RM33.HNE. ML:0.4 0.0000252593428 0.2688 AML other m 2021-03-29T23:27:48.81
IV.RM33.HNN. ML:0.5 0.000036784224999999994 0 AML other m 2021-03-29T23:27:49.03
IV.TERO.HNE. ML:1.3 0.0001219488 0.4736 AML other m 2021-03-29T23:27:52.77
IV.TERO.HNN. ML:1.1 0.0000747448665 0.1536 AML other m 2021-03-29T23:27:51.76
IV.NRCA.HHE. ML:0.7 0.00002328603 0.1792 AML other m 2021-03-29T23:27:54.59
IV.NRCA.HHN. ML:0.3 0.00001229006 0.1408 AML other m 2021-03-29T23:27:57.11
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