Earthquake with magnitude of ML 1.3 on date 31-05-2021 and time 07:58:22 (Italy) in region 3 km SW Cortino (TE)

A magnitude ML 1.3 earthquake occured in region: 3 km SW Cortino (TE), on

  • 31-05-2021 05:58:22 (UTC)
  • 31-05-2021 07:58:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6040, 13.4810 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cortino TE 3 656 656
Crognaleto TE 6 1297 1953
Fano Adriano TE 7 296 2249
Rocca Santa Maria TE 10 537 2786
Campotosto AQ 10 542 3328
Pietracamela TE 11 271 3599
Montorio al Vomano TE 13 8218 11817
Valle Castellana TE 15 977 12794
Tossicia TE 15 1406 14200
Torricella Sicura TE 16 2641 16841
Amatrice RI 16 2657 19498
Capitignano AQ 17 665 20163
Colledara TE 18 2179 22342
Isola del Gran Sasso d'Italia TE 19 4773 27115
Acquasanta Terme AP 19 2916 30031
Teramo TE 19 54892 84923

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km W of Teramo (54892 inhabitants)
29 Km N of L'Aquila (69753 inhabitants)
56 Km W of Montesilvano (53738 inhabitants)
62 Km W of Pescara (121014 inhabitants)
63 Km W of Chieti (51815 inhabitants)
68 Km E of Terni (111501 inhabitants)
75 Km SE of Foligno (57155 inhabitants)
91 Km NE of Tivoli (56533 inhabitants)
91 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 1.3 2021-05-31
05:58:22
42.6038 13.4808 13 2021-12-29
11:12:05
Bollettino Sismico Italiano INGV 91388021
Reviewed
Rev100
ML 1.1 2021-05-31
05:58:22
42.6005 13.4798 11 2021-05-31
06:11:34
Sala Sismica INGV-Roma 90652891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-31 05:58:22 ± 0.07
Latitude 42.6038 ± 0.0036
Longitude 13.4808 ± 0.0037
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 91388021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 357
Semi-minor axis of confidence ellipse (meter) 222
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 37
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.08633
Epicentral distance of station farthest from the epicenter (degree) 0.51981
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 91388021
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-14 09:36:31

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 90652891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-31 06:11:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2021-05-31T05:58:40.01 0.3 undecidable manual S 326 57.6978 93 0.02 70
IV.VCEL.EHN. 2021-05-31T05:58:35.02 0.3 undecidable manual S 128 37.4292 95 0.42 66
IV.NRCA.HHZ. 2021-05-31T05:58:35.04 0.3 undecidable manual S 311 39.2274 94 -0.04 72
IV.MMO1.EHZ. 2021-05-31T05:58:34.07 0.6 undecidable manual S 339 35.1426 95 0.1 48
IV.LNSS.HNZ. 2021-05-31T05:58:34.23 0.6 undecidable manual S 270 35.9418 95 0.03 49
IV.FDMO.HHZ. 2021-05-31T05:58:32.32 0.6 undecidable manual P 326 57.6978 93 -0.12 46
IV.RM33.EHZ. 2021-05-31T05:58:30.95 0.3 undecidable manual S 244 24.1536 100 -0.13 72
IV.NRCA.HHZ. 2021-05-31T05:58:29.42 0.1 undecidable manual P 311 39.2274 94 -0.18 93
IV.LNSS.HNZ. 2021-05-31T05:58:29.16 0.3 undecidable manual P 270 35.9418 95 0.06 72
IV.MTRA.EHE. 2021-05-31T05:58:29.33 0.3 undecidable manual S 338 18.2706 108 -0.22 72
IV.VCEL.EHN. 2021-05-31T05:58:29.29 0.3 undecidable manual P 128 37.4292 95 -0.04 73
IV.MMO1.EHZ. 2021-05-31T05:58:29.34 0.6 undecidable manual P 339 35.1426 95 0.38 45
IV.GIGS.HHN. 2021-05-31T05:58:29.12 0.3 undecidable manual S 156 18.3705 108 -0.44 69
IV.T1299.HNZ. 2021-05-31T05:58:29.38 0.6 undecidable manual S 282 16.5723 111 0.26 48
IV.SMA1.EHZ. 2021-05-31T05:58:28.03 0.3 undecidable manual S 284 12.2766 124 -0.07 74
IV.RM33.EHZ. 2021-05-31T05:58:27.22 0.1 undecidable manual P 244 24.1536 100 -0.07 98
IV.TERO.HHZ. 2021-05-31T05:58:27.60 0.3 undecidable manual S 78 10.2786 131 -0.07 75
IV.CAMP.HHE. 2021-05-31T05:58:27.59 0.3 undecidable manual S 218 9.5793 134 0.05 76
IV.T1299.HNZ. 2021-05-31T05:58:26.40 0.3 undecidable manual P 282 16.5723 111 0.24 72
IV.MTRA.EHE. 2021-05-31T05:58:26.31 0.3 undecidable manual P 338 18.2706 108 -0.1 74
IV.GIGS.HHN. 2021-05-31T05:58:26.21 0.3 undecidable manual P 156 18.3705 108 -0.21 72
IV.CAMP.HHE. 2021-05-31T05:58:25.40 0.1 undecidable manual P 218 9.5793 134 0.15 99
IV.TERO.HHZ. 2021-05-31T05:58:25.39 0.1 undecidable manual P 78 10.2786 131 0.06 100
IV.SMA1.EHZ. 2021-05-31T05:58:25.69 0.3 undecidable manual P 284 12.2766 124 0.12 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.2 0.00003145 0.42 AML other m 2021-05-31T05:58:32.32
IV.NRCA.HHE. ML:1.3 0.00007185 0.16 AML other m 2021-05-31T05:58:35.38
IV.NRCA.HHN. ML:1.2 0.00006245 0.7 AML other m 2021-05-31T05:58:35.54
IV.FDMO.HHN. ML:1.5 0.00006355 0.24 AML other m 2021-05-31T05:58:40.69
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