Earthquake with magnitude of ML 1.3 on date 03-07-2021 and time 20:08:57 (UTC) in region 2 km W Pereto (AQ)

A magnitude ML 1.3 earthquake occured in region: 2 km W Pereto (AQ), on

  • 03-07-2021 20:08:57 (UTC)
  • 03-07-2021 22:08:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.0490, 13.0770 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
Pereto AQ 2 682 682
Rocca di Botte AQ 3 856 1538
Oricola AQ 3 1244 2782
Camerata Nuova RM 4 447 3229
Arsoli RM 5 1586 4815
Carsoli AQ 5 5396 10211
Riofreddo RM 7 781 10992
Cervara di Roma RM 7 455 11447
Roviano RM 7 1351 12798
Marano Equo RM 8 779 13577
Vallinfreda RM 8 283 13860
Vivaro Romano RM 8 182 14042
Agosta RM 8 1765 15807
Anticoli Corrado RM 8 915 16722
Cineto Romano RM 9 601 17323
Collalto Sabino RI 10 442 17765
Rocca Canterano RM 11 196 17961
Turania RI 11 241 18202
Saracinesco RM 11 185 18387
Nespolo RI 12 246 18633
Sante Marie AQ 12 1166 19799
Canterano RM 12 351 20150
Mandela RM 13 917 21067
Sambuci RM 13 925 21992
Subiaco RM 14 9074 31066
Cerreto Laziale RM 14 1118 32184
Gerano RM 14 1263 33447
Collegiove RI 15 213 33660
Percile RM 15 255 33915
Roccagiovine RM 15 263 34178
Licenza RM 15 1011 35189
Ciciliano RM 15 1336 36525
Orvinio RI 15 405 36930
Tagliacozzo AQ 15 6889 43819
Pozzaglia Sabina RI 16 360 44179
Vicovaro RM 16 4019 48198
Rocca Santo Stefano RM 16 975 49173
Paganico Sabino RI 17 172 49345
Cappadocia AQ 17 528 49873
Ascrea RI 18 234 50107
Affile RM 18 1548 51655
Pisoniano RM 18 770 52425
Vallepietra RM 19 283 52708
Pescorocchiano RI 19 2075 54783
Arcinazzo Romano RM 19 1348 56131
Bellegra RM 19 2887 59018
Castel Madama RM 19 7399 66417
Roiate RM 19 737 67154
Jenne RM 19 366 67520
San Vito Romano RM 20 3273 70793
San Polo dei Cavalieri RM 20 2992 73785
Marcetelli RI 20 89 73874

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km E of Tivoli (56533 inhabitants)
29 Km E of Guidonia Montecelio (88673 inhabitants)
43 Km SW of L'Aquila (69753 inhabitants)
47 Km NE of Velletri (53303 inhabitants)
52 Km E of Roma (2864731 inhabitants)
62 Km NE of Aprilia (73446 inhabitants)
64 Km NE of Pomezia (62966 inhabitants)
66 Km N of Latina (125985 inhabitants)
67 Km SE of Terni (111501 inhabitants)
76 Km E of Fiumicino (78395 inhabitants)
76 Km NE of Anzio (54211 inhabitants)
85 Km SW of Teramo (54892 inhabitants)
90 Km E of Viterbo (67173 inhabitants)
96 Km W of Chieti (51815 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 2021-07-03
20:08:57
42.049 13.0773 9 2021-12-29
11:12:14
Bollettino Sismico Italiano INGV 93176281
Reviewed
Rev100
ML 1.6 2021-07-03
20:08:57
42.0433 13.0813 9 2021-07-03
20:22:17
Sala Sismica INGV-Roma 92205021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-03 20:08:57 ± 0.09
Latitude 42.0490 ± 0.0045
Longitude 13.0773 ± 0.0061
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 93176281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 419
Semi-minor axis of confidence ellipse (meter) 377
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 308
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.05216
Epicentral distance of station farthest from the epicenter (degree) 0.50812
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 92205021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-03 20:22:17

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 93176281
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-07-25 01:53:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIUL.HHZ. 2021-07-03T20:09:16.01 0.6 undecidable manual S 165 56.3991 50 0.34 45
IV.VVLD.HHZ. 2021-07-03T20:09:14.11 0.6 undecidable manual S 114 49.2174 50 0.35 45
IV.GUAR.HNN. 2021-07-03T20:09:10.41 0.6 undecidable manual S 145 34.2435 50 0.64 42
IV.GIUL.HHZ. 2021-07-03T20:09:07.66 0.3 undecidable manual P 165 56.3991 50 -0.4 64
IV.MTCE.HHE. 2021-07-03T20:09:07.90 0.6 undecidable manual S 264 27.75 108 0.14 49
IV.RCAV.EHZ. 2021-07-03T20:09:07.04 0.6 undecidable manual S 206 24.8529 109 0.22 47
IV.FIAM.HHN. 2021-07-03T20:09:07.27 0.6 undecidable manual S 8 24.5532 110 0.58 44
IV.PTQR.HHZ. 2021-07-03T20:09:07.38 0.6 undecidable manual S 96 26.8509 108 -0.06 49
IV.VVLD.HHZ. 2021-07-03T20:09:06.50 0.3 undecidable manual P 114 49.2174 50 -0.46 63
IV.GUAR.HNN. 2021-07-03T20:09:04.79 0.1 undecidable manual P 145 34.2435 50 0.14 95
IV.PTQR.HHZ. 2021-07-03T20:09:03.14 0.3 undecidable manual P 96 26.8509 108 -0.17 73
IV.CERT.HNZ. 2021-07-03T20:09:03.25 0.3 undecidable manual S 215 13.5753 123 -0.03 75
IV.MTCE.HHE. 2021-07-03T20:09:03.48 0.6 undecidable manual P 264 27.75 108 -0.01 49
IV.FIAM.HHN. 2021-07-03T20:09:02.93 0.1 undecidable manual P 8 24.5532 110 0.06 99
IV.RCAV.EHZ. 2021-07-03T20:09:02.84 0.1 undecidable manual P 206 24.8529 109 -0.1 98
IT.CSO1.HGE. 2021-07-03T20:09:01.09 0.6 undecidable manual S 9 5.7942 147 -0.22 50
IV.CERT.HNZ. 2021-07-03T20:09:00.81 0.1 undecidable manual P 215 13.5753 123 -0.09 100
IT.CSO1.HGE. 2021-07-03T20:08:59.66 0.3 undecidable manual P 9 5.7942 147 -0.11 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PTQR.HHE. ML:1.5 0.000162 0.34 AML other m 2021-07-03T20:09:08.45
IV.PTQR.HHN. ML:1.3 0.0001175 0.68 AML other m 2021-07-03T20:09:08.52
IV.GIUL.HHE. ML:1.0 0.00002316211 1.2192 AML other m 2021-07-03T20:09:19.74
IV.VVLD.HHE. ML:1.5 0.0000816 1.52 AML other m 2021-07-03T20:09:19.09
IV.VVLD.HHN. ML:1.4 0.00006725000000000001 1.1 AML other m 2021-07-03T20:09:20.83
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