Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 09-07-2021 and time 15:10:13 (Italy) in region 5 km SE Albareto (PR)

A magnitude ML 1.9 earthquake occured in region: 5 km SE Albareto (PR), on

  • 09-07-2021 13:10:13 (UTC)
  • 09-07-2021 15:10:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.4190, 9.7580 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Albareto PR 5 2156 2156
Zeri MS 7 1094 3250
Borgo Val di Taro PR 8 6999 10249
Pontremoli MS 11 7357 17606
Compiano PR 12 1112 18718
Tornolo PR 13 1010 19728
Varese Ligure SP 14 2059 21787
Bedonia PR 14 3482 25269
Sesta Godano SP 15 1377 26646
Zignago SP 16 532 27178
Mulazzo MS 16 2424 29602
Filattiera MS 17 2309 31911
Rocchetta di Vara SP 19 703 32614
Valmozzola PR 20 539 33153
Maissana SP 20 616 33769
Carro SP 20 545 34314

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km N of La Spezia (93959 inhabitants)
47 Km NW of Carrara (63133 inhabitants)
52 Km NW of Massa (69479 inhabitants)
62 Km SW of Parma (192836 inhabitants)
66 Km E of Genova (586655 inhabitants)
71 Km S of Piacenza (102191 inhabitants)
73 Km NW of Viareggio (62467 inhabitants)
76 Km W of Reggio nell'Emilia (171345 inhabitants)
82 Km S of Cremona (71901 inhabitants)
87 Km NW of Lucca (89046 inhabitants)
94 Km NW of Pisa (89158 inhabitants)
96 Km W of Modena (184973 inhabitants)
97 Km SE of Pavia (72576 inhabitants)
98 Km W of Carpi (70699 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 1.9 2021-07-09
13:10:13		 44.4187 9.7578 9 2021-12-29
11:12:11		 Bollettino Sismico Italiano INGV 92788721
Reviewed
Rev100 		ML 1.8 2021-07-09
13:10:13		 44.4133 9.7342 10 2021-07-09
13:23:20		 Sala Sismica INGV-Roma 92503101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-07-09 13:10:13 ± 0.13
Latitude 44.4187 ± 0.0081
Longitude 9.7578 ± 0.0088
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 92788721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 897
Semi-minor axis of confidence ellipse (meter) 98
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 199
Circular confidence region, given by single value of horizontal uncertainty (meter) 900.0
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 23
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.01264
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 92788721
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-01 18:10:09

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 92503101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-07-09 13:23:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FOSV.EHZ. 2021-07-09T13:11:20.73 3.0 undecidable manual Sn 3.07 0
IV.CSNT.HHZ. 2021-07-09T13:10:58.05 3.0 undecidable manual Sn -1.38 0
IV.OFFI.HHZ. 2021-07-09T13:10:53.27 3.0 undecidable manual Pn -2.18 0
IV.QLNO.HHZ. 2021-07-09T13:10:33.14 0.6 undecidable manual P 265 112.3986 50 0.86 33
GU.PCP.HHZ. 2021-07-09T13:10:30.72 0.3 undecidable manual P 278 96.9252 50 0.83 52
IV.PII.HHZ. 2021-07-09T13:10:30.55 0.3 undecidable manual P 141 98.5236 50 0.41 60
IV.BOB.HNE. 2021-07-09T13:10:28.29 0.6 undecidable manual S 328 45.8208 50 -0.13 47
GU.GORR.HHZ. 2021-07-09T13:10:27.07 0.6 undecidable manual S 300 42.3243 50 -0.41 44
GU.MAIM.HHZ. 2021-07-09T13:10:27.76 0.3 undecidable manual P 134 80.9523 50 0.33 63
IV.BDI.HHZ. 2021-07-09T13:10:27.10 0.3 undecidable manual P 120 77.367 50 0.22 65
GU.EQUI.HHZ. 2021-07-09T13:10:27.14 0.6 undecidable manual S 132 42.0246 50 -0.28 46
IV.PLMA.HHZ. 2021-07-09T13:10:26.44 0.6 undecidable manual S 169 41.625 50 -0.85 38
GU.CARD.HHZ. 2021-07-09T13:10:26.36 0.3 undecidable manual P 127 72.1722 50 0.28 65
GU.RNCA.HHZ. 2021-07-09T13:10:25.30 0.3 undecidable manual P 275 64.1913 50 0.46 63
IV.MTRZ.HNZ. 2021-07-09T13:10:23.81 3.0 undecidable manual Pn -2.32 0
GU.GRAM.HHZ. 2021-07-09T13:10:22.30 0.6 undecidable manual S 72 25.5522 109 -0.37 46
GU.GORR.HHZ. 2021-07-09T13:10:21.08 0.1 undecidable manual P 300 42.3243 50 -0.4 89
IV.BOB.HNE. 2021-07-09T13:10:21.80 0.1 undecidable manual P 328 45.8208 50 -0.22 92
IV.PLMA.HHZ. 2021-07-09T13:10:21.09 0.3 undecidable manual P 169 41.625 50 -0.28 69
IV.MSSA.HHE. 2021-07-09T13:10:21.20 0.6 undecidable manual S 239 22.1556 112 -0.37 46
GU.EQUI.HHZ. 2021-07-09T13:10:21.32 0.1 undecidable manual P 132 42.0246 50 -0.11 95
IV.MSSA.HHE. 2021-07-09T13:10:18.07 0.1 positive manual P 239 22.1556 112 0.01 100
GU.GRAM.HHZ. 2021-07-09T13:10:18.79 0.1 undecidable manual P 72 25.5522 109 0.09 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.GRAM.HHN. ML:2.4 0.0014249999999999998 0.84 AML other m 2021-07-09T13:10:24.19
GU.GORR.HHN. ML:1.7 0.00017549999999999998 0.86 AML other m 2021-07-09T13:10:27.39
GU.GORR.HHE. ML:1.8 0.000209 0.62 AML other m 2021-07-09T13:10:27.83
GU.GRAM.HHE. ML:2.2 0.0008674999999999999 0.42 AML other m 2021-07-09T13:10:27.58
IV.PLMA.HHE. ML:1.8 0.00020500000000000002 1.3 AML other m 2021-07-09T13:10:27.87
IV.PLMA.HHN. ML:1.9 0.000247 1.54 AML other m 2021-07-09T13:10:27.95
GU.EQUI.HHE. ML:1.6 0.0001425 0.48 AML other m 2021-07-09T13:10:28.26
GU.EQUI.HHN. ML:1.3 0.00005795 0.92 AML other m 2021-07-09T13:10:29.40
GU.RNCA.HHE. ML:1.9 0.00014350000000000002 0.2 AML other m 2021-07-09T13:10:33.73
GU.RNCA.HHN. ML:1.9 0.000136 1.46 AML other m 2021-07-09T13:10:33.01
GU.CARD.HHN. ML:2.0 0.00014749999999999998 0.14 AML other m 2021-07-09T13:10:36.90
GU.CARD.HHE. ML:2.0 0.000157 1.46 AML other m 2021-07-09T13:10:40.09
IV.BDI.HHN. ML:1.6 0.000058099999999999996 0.94 AML other m 2021-07-09T13:10:43.87
IV.BDI.HHE. ML:1.7 0.0000702 0.38 AML other m 2021-07-09T13:10:44.03
IV.PII.HHN. ML:2.0 0.00009224999999999999 0.76 AML other m 2021-07-09T13:10:44.85
IV.PII.HHE. ML:2.0 0.00010700000000000001 0.3 AML other m 2021-07-09T13:10:45.24
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