Earthquake with magnitude of ML 1.0 on date 10-03-2021 and time 20:58:52 (UTC) in region 1 km S Campotosto (AQ)

A magnitude ML 1.0 earthquake occured in region: 1 km S Campotosto (AQ), on

  • 10-03-2021 20:58:52 (UTC)
  • 10-03-2021 21:58:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.548, 13.372 at 17 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
Campotosto AQ 1 542 542
Capitignano AQ 7 665 1207
Crognaleto TE 9 1297 2504
Montereale AQ 11 2581 5085
Amatrice RI 11 2657 7742
Barete AQ 13 737 8479
Fano Adriano TE 14 296 8775
Pizzoli AQ 14 4326 13101
Cortino TE 14 656 13757
Pietracamela TE 15 271 14028
Cagnano Amiterno AQ 16 1369 15397
Cittareale RI 19 482 15879
Accumoli RI 19 667 16546
Borbona RI 20 617 17163
Rocca Santa Maria TE 20 537 17700

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km N of L'Aquila (69753 inhabitants)
30 Km W of Teramo (54892 inhabitants)
59 Km E of Terni (111501 inhabitants)
64 Km W of Montesilvano (53738 inhabitants)
69 Km W of Chieti (51815 inhabitants)
70 Km W of Pescara (121014 inhabitants)
71 Km SE of Foligno (57155 inhabitants)
80 Km NE of Tivoli (56533 inhabitants)
81 Km NE of Guidonia Montecelio (88673 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 1.0 2021-03-10
20:58:52
42.5485 13.3723 17 2021-07-12
16:55:09
Bollettino Sismico Italiano INGV 89744991
Reviewed
Rev100
ML 1.1 2021-03-10
20:58:52
42.5452 13.3755 17 2021-03-10
21:12:35
Sala Sismica INGV-Roma 87979191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-10 20:58:52 ± 0.07
Latitude 42.5485 ± 0.0027
Longitude 13.3723 ± 0.0024
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89744991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 296
Semi-minor axis of confidence ellipse (meter) 114
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 17
Circular confidence region, given by single value of horizontal uncertainty (meter) 300
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 128
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.34174
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1

Field Value
Value 1
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 89744991
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-03 16:11:54

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 87979191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-10 21:12:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.AIO.HHZ. 2021-03-10T21:00:13.64 3.0 undecidable manual Sn -6.54 0
IV.MCEL.HHZ. 2021-03-10T20:59:42.53 3.0 undecidable manual Sn 5.25 0
IV.SAMA.EHZ. 2021-03-10T20:59:17.81 3.0 undecidable manual Sg 0.09 0
IV.NRCA.HHZ. 2021-03-10T20:59:05.26 0.6 undecidable manual S 326 0.3417 103 0.08 48
IV.LNSS.HHZ. 2021-03-10T20:59:02.52 0.3 undecidable manual S 283 0.25 111 -0.04 72
IV.MTRA.EHZ. 2021-03-10T20:59:01.25 0.1 undecidable manual S 5 0.2086 116 -0.19 95
IV.TERO.HHZ. 2021-03-10T20:59:00.78 0.3 undecidable manual S 66 0.1862 120 -0.06 74
IV.GIGS.HHE. 2021-03-10T20:59:00.44 0.3 undecidable manual S 123 0.1754 122 -0.14 73
IV.T1299.EHE. 2021-03-10T20:58:59.11 0.3 undecidable manual S 322 0.1079 138 0.07 75
IV.RM33.EHZ. 2021-03-10T20:58:59.19 0.3 undecidable manual S 251 0.1223 134 -0.15 73
IV.NRCA.HHZ. 2021-03-10T20:58:59.68 0.1 undecidable manual P 326 0.3417 103 -0.09 94
IV.SMA1.EHZ. 2021-03-10T20:58:58.78 0.6 undecidable manual S 342 0.0863 145 0.14 50
IV.LNSS.HHZ. 2021-03-10T20:58:58.22 0.1 undecidable manual P 283 0.25 111 -0.04 97
IV.CAMP.HHE. 2021-03-10T20:58:57.97 0.3 undecidable manual S 115 0.0297 167 0.01 77
IV.GIGS.HHE. 2021-03-10T20:58:57.09 0.1 undecidable manual P 123 0.1754 122 -0.02 99
IV.MTRA.EHZ. 2021-03-10T20:58:57.59 0.1 undecidable manual P 5 0.2086 116 -0.02 98
IV.TERO.HHZ. 2021-03-10T20:58:57.35 0.1 undecidable manual P 66 0.1862 120 0.09 97
IV.CFMN.HHZ. 2021-03-10T20:58:57.38 3.0 negative manual Pn -0.32 0
IV.RM33.EHZ. 2021-03-10T20:58:56.44 0.1 undecidable manual P 251 0.1223 134 0.04 100
IV.SMA1.EHZ. 2021-03-10T20:58:56.07 0.1 undecidable manual P 342 0.0863 145 0.08 100
IV.T1299.EHE. 2021-03-10T20:58:56.36 0.1 undecidable manual P 322 0.1079 138 0.13 98
IV.CAMP.HHE. 2021-03-10T20:58:55.71 0.1 undecidable manual P 115 0.0297 167 0.11 100
IV.PTRJ.HNZ. 2021-03-10T20:58:55.62 3.0 undecidable manual P 0.46 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CFMN.HHE. ML:3.5 0.000849 0.66 AML other m 2021-03-10T20:58:58.57
IV.CFMN.HHN. ML:3.5 0.000977 0.5 AML other m 2021-03-10T20:58:58.33
IV.RM33.EHE. ML:1.1 8.905E-5 0.26 AML other m 2021-03-10T20:58:59.44
IV.RM33.EHN. ML:0.9 6.04E-5 0.38 AML other m 2021-03-10T20:58:59.66
IV.MTRA.EHN. ML:1 5.18E-5 0.1 AML other m 2021-03-10T20:59:01.36
IV.MTRA.EHE. ML:1 6.2E-5 0.86 AML other m 2021-03-10T20:59:01.40
IV.NRCA.HHN. ML:1.1 4.14E-5 0.12 AML other m 2021-03-10T20:59:05.62
IV.NRCA.HHE. ML:1.2 5.73E-5 0.12 AML other m 2021-03-10T20:59:05.92
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