Earthquake with magnitude of ML 0.7 on date 24-03-2021 and time 06:12:46 (UTC) in region 6 km N Cittareale (RI)

A magnitude ML 0.7 earthquake occured in region: 6 km N Cittareale (RI), on

  • 24-03-2021 06:12:46 (UTC)
  • 24-03-2021 07:12:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6690, 13.1570 at 9 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cittareale RI 6 482 482
Accumoli RI 8 667 1149
Amatrice RI 12 2657 3806
Cascia PG 13 3217 7023
Norcia PG 15 4957 11980
Arquata del Tronto AP 16 1178 13158
Posta RI 17 694 13852
Monteleone di Spoleto PG 17 599 14451
Borbona RI 17 617 15068
Montereale AQ 18 2581 17649
Poggiodomo PG 19 117 17766
Leonessa RI 20 2435 20201

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km NW of L'Aquila (69753 inhabitants)
43 Km E of Terni (111501 inhabitants)
45 Km W of Teramo (54892 inhabitants)
49 Km SE of Foligno (57155 inhabitants)
79 Km SE of Perugia (166134 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
84 Km NE of Tivoli (56533 inhabitants)
90 Km W of Pescara (121014 inhabitants)
90 Km W of Chieti (51815 inhabitants)
91 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 2021-03-24
06:12:46
42.6687 13.1567 9 2021-07-12
16:55:10
Bollettino Sismico Italiano INGV 90058471
Reviewed
Rev100
ML 0.8 2021-03-24
06:12:44
42.7423 13.1462 10 2021-03-24
07:16:08
Sala Sismica INGV-Roma 88424631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-24 06:12:46 ± 0.07
Latitude 42.6687 ± 0.0036
Longitude 13.1567 ± 0.0037
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90058471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 335
Semi-minor axis of confidence ellipse (meter) 330
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 182
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 18
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) 0.26170
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 90058471
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-13 16:42:57

ML:0.8

Field Value
Value 0.8
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 88424631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-24 07:16:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VOBA.EHZ. 2021-03-24T06:13:07.03 3.0 undecidable manual Pn -0.06 0
IV.MC2.EHZ. 2021-03-24T06:12:56.29 0.6 undecidable manual S 6 27.0507 109 0.34 46
IV.MMO1.EHZ. 2021-03-24T06:12:56.48 0.6 undecidable manual S 28 29.0487 50 -0.13 49
IV.GAVE.EHN. 2021-03-24T06:12:54.08 0.6 undecidable manual S 277 21.5673 113 -0.09 49
IV.MTRA.EHE. 2021-03-24T06:12:53.98 0.3 undecidable manual S 63 21.867 113 -0.28 69
IV.NRCA.HHZ. 2021-03-24T06:12:53.18 0.3 undecidable manual S 349 18.5703 117 -0.06 72
IV.SMA1.EHZ. 2021-03-24T06:12:52.46 0.6 undecidable manual S 106 15.1737 122 0.26 48
IV.MC2.EHZ. 2021-03-24T06:12:52.07 0.3 undecidable manual P 6 27.0507 109 0.32 68
IV.MMO1.EHZ. 2021-03-24T06:12:52.02 0.3 undecidable manual P 28 29.0487 50 -0.11 73
IV.RM33.EHZ. 2021-03-24T06:12:52.78 0.6 undecidable manual S 165 18.3705 117 -0.38 47
IV.LNSS.HHZ. 2021-03-24T06:12:51.48 0.6 undecidable manual S 232 11.9769 128 0.19 49
IV.RONT.HHZ. 2021-03-24T06:12:51.59 3.0 positive manual Pn 0.04 0
IV.T1299.HNN. 2021-03-24T06:12:51.21 0.3 undecidable manual S 110 10.878 131 0.2 74
IV.MTRA.EHE. 2021-03-24T06:12:50.63 0.3 undecidable manual P 63 21.867 113 -0.14 72
IV.NRCA.HHZ. 2021-03-24T06:12:50.20 0.1 undecidable manual P 349 18.5703 117 0.01 100
IV.GAVE.EHN. 2021-03-24T06:12:50.60 0.1 undecidable manual P 277 21.5673 113 -0.12 97
IV.PE3.EHZ. 2021-03-24T06:12:50.01 3.0 undecidable manual P 1.14 0
IV.RM33.EHZ. 2021-03-24T06:12:49.92 0.1 undecidable manual P 165 18.3705 117 -0.22 97
IV.LNSS.HHZ. 2021-03-24T06:12:49.21 0.1 positive manual P 232 11.9769 128 0.15 98
IV.SMA1.EHZ. 2021-03-24T06:12:49.76 0.3 undecidable manual P 106 15.1737 122 0.17 73
IV.T1299.HNN. 2021-03-24T06:12:48.98 0.1 undecidable manual P 110 10.878 131 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:0.7 0.00005665000000000001 0.56 AML other m 2021-03-24T06:12:51.59
IV.LNSS.HHE. ML:0.7 0.00006110000000000001 1.26 AML other m 2021-03-24T06:12:52.67
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