Earthquake with magnitude of ML 1.0 on date 10-07-2020 and time 12:03:10 (Italy) in region 3 km SE Riolo Terme (RA)

A magnitude ML 1.0 earthquake occured in region: 3 km SE Riolo Terme (RA), on

  • 10-07-2020 10:03:10 (UTC)
  • 10-07-2020 12:03:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.26, 11.76 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
Riolo Terme RA 3 5720 5720
Brisighella RA 4 7639 13359
Castel Bolognese RA 8 9554 22913
Faenza RA 10 58541 81454
Imola BO 11 69797 151251
Casola Valsenio RA 11 2617 153868
Modigliana FC 12 4560 158428
Casalfiumanese BO 12 3438 161866
Solarolo RA 13 4488 166354
Borgo Tossignano BO 14 3288 169642
Dozza BO 15 6652 176294
Bagnara di Romagna RA 16 2429 178723
Fontanelice BO 16 1943 180666
Mordano BO 16 4760 185426
Castrocaro Terme e Terra del Sole FC 18 6426 191852
Dovadola FC 18 1653 193505
Tredozio FC 20 1212 194717

Municipalities with at least 50000 inhabitants

An earthquake occurred to
10 Km W of Faenza (58541 inhabitants)
11 Km SE of Imola (69797 inhabitants)
23 Km W of Forlì (117913 inhabitants)
39 Km W of Ravenna (159116 inhabitants)
41 Km W of Cesena (96758 inhabitants)
42 Km SE of Bologna (386663 inhabitants)
65 Km S of Ferrara (133155 inhabitants)
68 Km NE of Prato (191150 inhabitants)
68 Km NE of Firenze (382808 inhabitants)
68 Km W of Rimini (147750 inhabitants)
72 Km NE of Scandicci (50609 inhabitants)
76 Km E of Pistoia (90315 inhabitants)
79 Km SE of Modena (184973 inhabitants)
89 Km N of Arezzo (99543 inhabitants)
90 Km SE of Carpi (70699 inhabitants)
90 Km S of Rovigo (51867 inhabitants)
100 Km W of Pesaro (94582 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 2020-07-10
10:03:10
44.26 11.76 17 2020-11-19
12:37:02
Bollettino Sismico Italiano INGV 83097391
Reviewed
Rev100
ML 1.0 2020-07-10
10:03:09
44.32 11.73 14 2020-07-10
10:18:59
Sala Sismica INGV-Roma 80925811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-10 10:03:10 ± 0.75
Latitude 44.26 ± 0.04
Longitude 11.76 ± 0.05
Depth (km) 17 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83097391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 5137
Semi-minor axis of confidence ellipse (meter) 1386
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 213
Circular confidence region, given by single value of horizontal uncertainty (meter) 5140
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 247
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.61
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.38851
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1

Field Value
Value 1
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 83097391
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-09-21 10:22:17

ML:1

Field Value
Value 1
Uncertainty 0
Num. used stations 2
Type of magnitude ML
Reference to an origin 80925811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-10 10:18:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SPS2.HHZ. 2020-07-10T10:04:54.04 3.0 positive manual Pg 19.9 0
IV.ACATE.HNZ. 2020-07-10T10:04:54.49 3.0 undecidable manual Pn -1.57 0
XK.GIZZ.HHZ. 2020-07-10T10:04:49.21 3.0 negative manual Pg 11.99 0
IV.TDS.HHZ. 2020-07-10T10:04:48.35 3.0 positive manual Pg 18.58 0
IV.VVLD.HHZ. 2020-07-10T10:04:28.97 3.0 undecidable manual Sg 2.11 0
IV.ROSPO.HHZ. 2020-07-10T10:04:27.58 3.0 undecidable manual Sn -4.05 0
IV.MRLC.HHZ. 2020-07-10T10:04:24.89 3.0 undecidable manual Pg 12.62 0
IV.SARZ.HHZ. 2020-07-10T10:04:22.95 3.0 undecidable manual Sg 16.99 0
IV.MILN.HNZ. 2020-07-10T10:04:18.41 3.0 undecidable manual Sg 14.66 0
IV.CAMP.HHZ. 2020-07-10T10:04:12.13 3.0 undecidable manual Sg 1.74 0
IV.LNSS.HHZ. 2020-07-10T10:04:09.36 3.0 undecidable manual Sg 3.03 0
IV.CELB.HHZ. 2020-07-10T10:04:09.24 3.0 undecidable manual Sn 0.13 0
IV.VAGA.HHZ. 2020-07-10T10:04:07.62 3.0 positive manual Pg 9.6 0
IV.PTCC.HHZ. 2020-07-10T10:04:00.03 3.0 undecidable manual Sn -0.25 0
IV.RIBO.EHZ.01 2020-07-10T10:03:52.53 3.0 undecidable manual Sn -5.26 0
ST.DOSS.HHZ. 2020-07-10T10:03:45.26 3.0 undecidable manual Sn 0.77 0
IV.ROSPO.HHZ. 2020-07-10T10:03:45.23 3.0 undecidable manual Pn -7.21 0
GU.CANO.HHZ. 2020-07-10T10:03:43.60 3.0 positive manual Pn -1.72 0
IV.MBAL.EHZ. 2020-07-10T10:03:42.88 3.0 undecidable manual Sn -0.83 0
IV.MNTT.EHZ. 2020-07-10T10:03:38.95 3.0 undecidable manual Pg 3.77 0
IV.CRND.HNZ. 2020-07-10T10:03:25.95 3.0 undecidable manual Pg 2.36 0
IV.RINC.HHE. 2020-07-10T10:03:25.57 0.6 undecidable manual S 196 0.3885 101 1.03 49
IV.SFI.EHE. 2020-07-10T10:03:23.96 1.0 undecidable manual S 170 0.3597 102 0.24 25
IV.MTRZ.HNZ. 2020-07-10T10:03:22.22 0.6 undecidable manual S 283 0.2446 111 1.78 26
IV.ARVD.HHZ. 2020-07-10T10:03:22.28 3.0 negative manual P -4.34 0
IV.COR1.EHZ. 2020-07-10T10:03:20.66 3.0 negative manual P -4.71 0
IV.LMD.HHZ. 2020-07-10T10:03:19.30 0.3 undecidable manual S 191 0.1853 119 0.46 77
IV.VISG.HHZ. 2020-07-10T10:03:19.60 0.6 undecidable manual S 253 0.2428 111 -0.78 33
IV.SFI.EHE. 2020-07-10T10:03:18.59 0.3 undecidable manual P 170 0.3597 102 0.49 68
IV.RINC.HHE. 2020-07-10T10:03:18.94 0.3 undecidable manual P 196 0.3885 101 0.37 74
IV.MTRZ.HNZ. 2020-07-10T10:03:16.15 0.3 undecidable manual P 283 0.2446 111 -0.06 76
IV.LMD.HHZ. 2020-07-10T10:03:15.01 0.3 undecidable manual P 191 0.1853 119 -0.28 76
IV.VISG.HHZ. 2020-07-10T10:03:15.27 0.1 undecidable manual P 253 0.2428 111 -0.9 84
IV.BRIS.HHZ. 2020-07-10T10:03:15.48 0.6 undecidable manual S 171 0.0351 165 -0.52 45
IV.BRIS.HHZ. 2020-07-10T10:03:12.91 0.1 undecidable manual P 171 0.0351 165 -0.73 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BRIS.HNE. ML:0.4 2.3121725E-5 0.8576 AML other m 2020-07-10T10:03:15.52
IV.BRIS.HHN. ML:1.5 0.0003102299 0.3648 AML other m 2020-07-10T10:03:15.68
IV.BRIS.HNN. ML:0.6 3.6928465E-5 1.7504 AML other m 2020-07-10T10:03:15.01
IV.BRIS.HHE. ML:0 0.0006595 0.52 AML other m 2020-07-10T10:03:18.02
IV.VISG.HHE. ML:1 4.9549075E-5 0.5184 AML other m 2020-07-10T10:03:22.11
IV.VISG.HHN. ML:1.1 5.695E-5 0.68 AML other m 2020-07-10T10:03:24.49
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