Earthquake with magnitude of ML 1.9 on date 29-07-2012 and time 11:40:49 (Italy) in region Costa Romagnola meridionale (Rimini, Forli Cesena)

A magnitude ML 1.9 earthquake occured in region: Costa Romagnola meridionale (Rimini, Forli Cesena), on

  • 29-07-2012 09:40:49 (UTC)
  • 29-07-2012 11:40:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.1810, 12.6240 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
Bellaria-Igea Marina RN 14 19519 19519
Rimini RN 14 147750 167269
Cesenatico FC 18 25796 193065
San Mauro Pascoli FC 18 11690 204755
Santarcangelo di Romagna RN 19 22089 226844

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km NE of Rimini (147750 inhabitants)
31 Km E of Cesena (96758 inhabitants)
38 Km NW of Pesaro (94582 inhabitants)
43 Km SE of Ravenna (159116 inhabitants)
47 Km E of Forlì (117913 inhabitants)
49 Km NW of Fano (60888 inhabitants)
60 Km E of Faenza (58541 inhabitants)
75 Km E of Imola (69797 inhabitants)
95 Km NW of Ancona (100861 inhabitants)
99 Km NE of Arezzo (99543 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
Reviewed
Rev100
ML 1.9 2012-07-29
09:40:50
44.1823 12.775 10 2014-10-21
12:08:56
Sala Sismica INGV-Roma 1906351
Bulletin
Rev1000
ML 1.9 2012-07-29
09:40:49
44.1807 12.624 9 2014-09-19
08:14:18
Bollettino Sismico Italiano INGV 2902651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-07-29 09:40:49 ± 0.43
Latitude 44.1807 ± 0.0189
Longitude 12.6240 ± 0.0201
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 2902651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2090
Semi-minor axis of confidence ellipse (meter) 1586
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 0
Circular confidence region, given by single value of horizontal uncertainty (meter) 2090.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 299
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.27429
Epicentral distance of station farthest from the epicenter (degree) 1.13764
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:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations 7
Type of magnitude ML
Reference to an origin 2902651
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2014-09-18 12:44:10

ML:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations 14
Type of magnitude ML
Reference to an origin 1906351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-07-29 09:50:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATPC.HHZ. 2012-07-29T09:41:14.60 0.6 undecidable manual S 190 78.7656 50 0.75 40
IV.PIEI.HHZ. 2012-07-29T09:41:12.12 0.6 undecidable manual S 186 71.8725 50 0.11 48
IV.ASSB.HHZ. 2012-07-29T09:41:11.35 0.3 undecidable manual P 179 126.2736 50 0.29 63
IV.PE3.EHZ. 2012-07-29T09:41:08.00 1.0 undecidable manual S 191 54.7008 50 0.57 22
IV.MPAG.EHZ. 2012-07-29T09:41:08.72 0.3 undecidable manual S 170 62.0934 50 -0.69 63
IV.FSSB.HHZ. 2012-07-29T09:41:07.23 0.6 undecidable manual S 167 55.5 50 -0.39 47
IV.ATPC.HHZ. 2012-07-29T09:41:04.08 0.6 undecidable manual P 190 78.7656 50 0.34 45
IV.ATBU.EHZ. 2012-07-29T09:41:03.70 0.3 undecidable manual P 184 78.4659 50 0.01 73
IV.PIEI.HHZ. 2012-07-29T09:41:02.57 0.3 undecidable manual P 186 71.8725 50 -0.11 73
IV.MPAG.EHZ. 2012-07-29T09:41:01.07 0.3 undecidable manual P 170 62.0934 50 -0.1 74
IV.RSM2.HHZ. 2012-07-29T09:41:01.25 0.6 undecidable manual S 208 30.4473 50 0.29 49
IV.PESA.HHZ. 2012-07-29T09:41:01.38 0.6 undecidable manual S 147 31.6461 50 0.1 53
IV.FSSB.HHZ. 2012-07-29T09:41:00.04 0.1 undecidable manual P 167 55.5 50 -0.1 100
IV.PE3.EHZ. 2012-07-29T09:41:00.21 0.3 undecidable manual P 191 54.7008 50 0.18 74
IV.PESA.HHZ. 2012-07-29T09:40:56.96 0.3 undecidable manual P 147 31.6461 50 0.48 72
IV.RSM2.HHZ. 2012-07-29T09:40:55.44 0.3 undecidable manual P 208 30.4473 50 -0.86 65
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHE. ML:1.9 0.0000524 1.58 AML other m 2012-07-29T09:41:16.65
IV.ASSB.HHN. ML:1.8 0.00004855 1.4 AML other m 2012-07-29T09:41:28.64
IV.ATBU.EHE. ML:2.0 0.0001315 1.48 AML other m 2012-07-29T09:41:16.82
IV.ATBU.EHN. ML:2.1 0.0001915 1.2 AML other m 2012-07-29T09:41:14.97
IV.FSSB.HHN. ML:2.1 0.00026700000000000004 1.58 AML other m 2012-07-29T09:41:10.55
IV.FSSB.HHE. ML:1.9 0.000184 0.9 AML other m 2012-07-29T09:41:10.37
IV.MPAG.EHN. ML:1.9 0.0001605 1.58 AML other m 2012-07-29T09:41:10.73
IV.MPAG.EHE. ML:1.8 0.00013005 1.44 AML other m 2012-07-29T09:41:10.81
IV.PE3.EHN. ML:1.9 0.0001965 1.32 AML other m 2012-07-29T09:41:11.95
IV.PE3.EHE. ML:2.0 0.00025 1.58 AML other m 2012-07-29T09:41:12.92
IV.PESA.HHN. ML:2.0 0.000491 0.1 AML other m 2012-07-29T09:41:01.67
IV.PESA.HHE. ML:1.9 0.00035650000000000005 0.2 AML other m 2012-07-29T09:41:01.94
IV.PIEI.HHE. ML:1.8 0.0001111 1.46 AML other m 2012-07-29T09:41:12.74
IV.PIEI.HHN. ML:1.8 0.00010250000000000001 1.3 AML other m 2012-07-29T09:41:12.85
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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